diff --git a/packages/react/package.json b/packages/react/package.json
index 3a12c357f943..7a762d859f44 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -28,13 +28,10 @@
     "react-dom": "15.x || 16.x"
   },
   "devDependencies": {
-    "@sentry/tracing": "5.19.2",
     "@testing-library/react": "^10.0.6",
     "@testing-library/react-hooks": "^3.3.0",
-    "@types/history": "^4.7.6",
     "@types/hoist-non-react-statics": "^3.3.1",
     "@types/react": "^16.9.35",
-    "@types/react-router-3": "npm:@types/react-router@3.0.20",
     "jest": "^24.7.1",
     "jsdom": "^16.2.2",
     "npm-run-all": "^4.1.2",
@@ -42,7 +39,7 @@
     "prettier-check": "^2.0.0",
     "react": "^16.0.0",
     "react-dom": "^16.0.0",
-    "react-router-3": "npm:react-router@3.2.0",
+    "react-router-3": "npm:react-router@^3.2.0",
     "react-test-renderer": "^16.13.1",
     "redux": "^4.0.5",
     "rimraf": "^2.6.3",
diff --git a/packages/react/src/index.ts b/packages/react/src/index.ts
index 7a958f30b828..22ce1ce6e8d8 100644
--- a/packages/react/src/index.ts
+++ b/packages/react/src/index.ts
@@ -26,6 +26,6 @@ export * from '@sentry/browser';
 export { Profiler, withProfiler, useProfiler } from './profiler';
 export { ErrorBoundary, withErrorBoundary } from './errorboundary';
 export { createReduxEnhancer } from './redux';
-export { reactRouterV3Instrumenation } from './reactrouter';
+export { reactRouterV3Instrumentation } from './reactrouter';
 
 createReactEventProcessor();
diff --git a/packages/react/src/reactrouter.tsx b/packages/react/src/reactrouter.tsx
index d8441a2e78bf..86ee8302ce9b 100644
--- a/packages/react/src/reactrouter.tsx
+++ b/packages/react/src/reactrouter.tsx
@@ -1,70 +1,81 @@
 import { Transaction, TransactionContext } from '@sentry/types';
+import { getGlobalObject } from '@sentry/utils';
 
-type routingInstrumentation = (
-  startTransaction: (context: TransactionContext) => Transaction,
+type ReactRouterInstrumentation = <T extends Transaction>(
+  startTransaction: (context: TransactionContext) => T | undefined,
   startTransactionOnPageLoad?: boolean,
   startTransactionOnLocationChange?: boolean,
 ) => void;
 
-// Many of the types below had to be mocked out to lower bundle size.
-type PlainRoute = { path: string; childRoutes: PlainRoute[] };
+// Many of the types below had to be mocked out to prevent typescript issues
+// these types are required for correct functionality.
 
-type Match = (
-  props: { location: Location; routes: PlainRoute[] },
-  cb: (error?: Error, _redirectLocation?: Location, renderProps?: { routes?: PlainRoute[] }) => void,
+export type Route = { path?: string; childRoutes?: Route[] };
+
+export type Match = (
+  props: { location: Location; routes: Route[] },
+  cb: (error?: Error, _redirectLocation?: Location, renderProps?: { routes?: Route[] }) => void,
 ) => void;
 
 type Location = {
   pathname: string;
-  action: 'PUSH' | 'REPLACE' | 'POP';
-  key: string;
+  action?: 'PUSH' | 'REPLACE' | 'POP';
 } & Record<string, any>;
 
 type History = {
-  location: Location;
-  listen(cb: (location: Location) => void): void;
+  location?: Location;
+  listen?(cb: (location: Location) => void): void;
 } & Record<string, any>;
 
+const global = getGlobalObject<Window>();
+
 /**
  * Creates routing instrumentation for React Router v3
+ * Works for React Router >= 3.2.0 and < 4.0.0
  *
  * @param history object from the `history` library
  * @param routes a list of all routes, should be
  * @param match `Router.match` utility
  */
-export function reactRouterV3Instrumenation(
+export function reactRouterV3Instrumentation(
   history: History,
-  routes: PlainRoute[],
+  routes: Route[],
   match: Match,
-): routingInstrumentation {
+): ReactRouterInstrumentation {
   return (
     startTransaction: (context: TransactionContext) => Transaction | undefined,
     startTransactionOnPageLoad: boolean = true,
     startTransactionOnLocationChange: boolean = true,
   ) => {
     let activeTransaction: Transaction | undefined;
-    let name = normalizeTransactionName(routes, history.location, match);
-    if (startTransactionOnPageLoad) {
+    let prevName: string | undefined;
+
+    if (startTransactionOnPageLoad && global && global.location) {
+      // Have to use global.location because history.location might not be defined.
+      prevName = normalizeTransactionName(routes, global.location, match);
       activeTransaction = startTransaction({
-        name,
+        name: prevName,
         op: 'pageload',
         tags: {
-          from: name,
-          routingInstrumentation: 'react-router-v3',
+          'routing.instrumentation': 'react-router-v3',
         },
       });
     }
 
-    if (startTransactionOnLocationChange) {
+    if (startTransactionOnLocationChange && history.listen) {
       history.listen(location => {
         if (location.action === 'PUSH') {
           if (activeTransaction) {
             activeTransaction.finish();
           }
-          const tags = { from: name, routingInstrumentation: 'react-router-v3' };
-          name = normalizeTransactionName(routes, history.location, match);
+          const tags: Record<string, string> = { 'routing.instrumentation': 'react-router-v3' };
+          if (prevName) {
+            tags.from = prevName;
+          }
+
+          prevName = normalizeTransactionName(routes, location, match);
           activeTransaction = startTransaction({
-            name,
+            name: prevName,
             op: 'navigation',
             tags,
           });
@@ -74,41 +85,47 @@ export function reactRouterV3Instrumenation(
   };
 }
 
-export function normalizeTransactionName(appRoutes: PlainRoute[], location: Location, match: Match): string {
-  const defaultName = location.pathname;
+/**
+ * Normalize transaction names using `Router.match`
+ */
+function normalizeTransactionName(appRoutes: Route[], location: Location, match: Match): string {
+  let name = location.pathname;
   match(
     {
       location,
       routes: appRoutes,
     },
-    (error?: Error, _redirectLocation?: Location, renderProps?: { routes?: PlainRoute[] }) => {
+    (error, _redirectLocation, renderProps) => {
       if (error || !renderProps) {
-        return defaultName;
+        return name;
       }
 
       const routePath = getRouteStringFromRoutes(renderProps.routes || []);
-
       if (routePath.length === 0 || routePath === '/*') {
-        return defaultName;
+        return name;
       }
 
-      return routePath;
+      name = routePath;
+      return name;
     },
   );
-
-  return defaultName;
+  return name;
 }
 
-function getRouteStringFromRoutes(routes: PlainRoute[]): string {
-  if (!Array.isArray(routes)) {
+/**
+ * Generate route name from array of routes
+ */
+function getRouteStringFromRoutes(routes: Route[]): string {
+  if (!Array.isArray(routes) || routes.length === 0) {
     return '';
   }
 
-  const routesWithPaths: PlainRoute[] = routes.filter((route: PlainRoute) => !!route.path);
+  const routesWithPaths: Route[] = routes.filter((route: Route) => !!route.path);
 
   let index = -1;
-  for (let x = routesWithPaths.length; x >= 0; x--) {
-    if (routesWithPaths[x].path.startsWith('/')) {
+  for (let x = routesWithPaths.length - 1; x >= 0; x--) {
+    const route = routesWithPaths[x];
+    if (route.path && route.path.startsWith('/')) {
       index = x;
       break;
     }
diff --git a/packages/react/test/reactrouter.test.tsx b/packages/react/test/reactrouter.test.tsx
deleted file mode 100644
index b3d16b412ff2..000000000000
--- a/packages/react/test/reactrouter.test.tsx
+++ /dev/null
@@ -1,6 +0,0 @@
-import { browserHistory } from 'react-router-3';
-import { routes } from './routes';
-
-describe('React Router V3', () => {
-  it('works', () => {});
-});
diff --git a/packages/react/test/reactrouterv3.test.tsx b/packages/react/test/reactrouterv3.test.tsx
new file mode 100644
index 000000000000..17328229bf49
--- /dev/null
+++ b/packages/react/test/reactrouterv3.test.tsx
@@ -0,0 +1,131 @@
+import { render } from '@testing-library/react';
+import * as React from 'react';
+import { createMemoryHistory, createRoutes, IndexRoute, match, Route, Router } from 'react-router-3';
+
+import { Match, reactRouterV3Instrumentation, Route as RouteType } from '../src/reactrouter';
+
+// Have to manually set types because we are using package-alias
+declare module 'react-router-3' {
+  export function createMemoryHistory(): Record<string, any>;
+  export const Router: React.ComponentType<{ history: any }>;
+  export const Route: React.ComponentType<{ path: string; component: React.ComponentType<any> }>;
+  export const IndexRoute: React.ComponentType<{ component: React.ComponentType<any> }>;
+  export const match: Match;
+  export const createRoutes: (routes: any) => RouteType[];
+}
+
+const App: React.FC = ({ children }) => <div>{children}</div>;
+
+function Home(): JSX.Element {
+  return <div>Home</div>;
+}
+
+function About(): JSX.Element {
+  return <div>About</div>;
+}
+
+function Features(): JSX.Element {
+  return <div>Features</div>;
+}
+
+function Users({ params }: { params: Record<string, string> }): JSX.Element {
+  return <div>{params.userid}</div>;
+}
+
+describe('React Router V3', () => {
+  const routes = (
+    <Route path="/" component={App}>
+      <IndexRoute component={Home} />
+      <Route path="about" component={About} />
+      <Route path="features" component={Features} />
+      <Route path="users/:userid" component={Users} />
+    </Route>
+  );
+  const history = createMemoryHistory();
+
+  const instrumentationRoutes = createRoutes(routes);
+  const instrumentation = reactRouterV3Instrumentation(history, instrumentationRoutes, match);
+
+  it('starts a pageload transaction when instrumentation is started', () => {
+    const mockStartTransaction = jest.fn();
+    instrumentation(mockStartTransaction);
+    expect(mockStartTransaction).toHaveBeenCalledTimes(1);
+    expect(mockStartTransaction).toHaveBeenLastCalledWith({
+      name: '/',
+      op: 'pageload',
+      tags: { 'routing.instrumentation': 'react-router-v3' },
+    });
+  });
+
+  it('does not start pageload transaction if option is false', () => {
+    const mockStartTransaction = jest.fn();
+    instrumentation(mockStartTransaction, false);
+    expect(mockStartTransaction).toHaveBeenCalledTimes(0);
+  });
+
+  it('starts a navigation transaction', () => {
+    const mockStartTransaction = jest.fn();
+    instrumentation(mockStartTransaction);
+    render(<Router history={history}>{routes}</Router>);
+
+    history.push('/about');
+    expect(mockStartTransaction).toHaveBeenCalledTimes(2);
+    expect(mockStartTransaction).toHaveBeenLastCalledWith({
+      name: '/about',
+      op: 'navigation',
+      tags: { from: '/', 'routing.instrumentation': 'react-router-v3' },
+    });
+
+    history.push('/features');
+    expect(mockStartTransaction).toHaveBeenCalledTimes(3);
+    expect(mockStartTransaction).toHaveBeenLastCalledWith({
+      name: '/features',
+      op: 'navigation',
+      tags: { from: '/about', 'routing.instrumentation': 'react-router-v3' },
+    });
+  });
+
+  it('does not start a transaction if option is false', () => {
+    const mockStartTransaction = jest.fn();
+    instrumentation(mockStartTransaction, true, false);
+    render(<Router history={history}>{routes}</Router>);
+    expect(mockStartTransaction).toHaveBeenCalledTimes(1);
+  });
+
+  it('only starts a navigation transaction on push', () => {
+    const mockStartTransaction = jest.fn();
+    instrumentation(mockStartTransaction);
+    render(<Router history={history}>{routes}</Router>);
+
+    history.replace('hello');
+    expect(mockStartTransaction).toHaveBeenCalledTimes(1);
+  });
+
+  it('finishes a transaction on navigation', () => {
+    const mockFinish = jest.fn();
+    const mockStartTransaction = jest.fn().mockReturnValue({ finish: mockFinish });
+    instrumentation(mockStartTransaction);
+    render(<Router history={history}>{routes}</Router>);
+    expect(mockStartTransaction).toHaveBeenCalledTimes(1);
+
+    history.push('/features');
+    expect(mockFinish).toHaveBeenCalledTimes(1);
+    expect(mockStartTransaction).toHaveBeenCalledTimes(2);
+  });
+
+  it('normalizes transaction names', () => {
+    const mockStartTransaction = jest.fn();
+    instrumentation(mockStartTransaction);
+    const { container } = render(<Router history={history}>{routes}</Router>);
+
+    history.push('/users/123');
+    expect(container.innerHTML).toContain('123');
+
+    expect(mockStartTransaction).toHaveBeenCalledTimes(2);
+    expect(mockStartTransaction).toHaveBeenLastCalledWith({
+      name: '/users/:userid',
+      op: 'navigation',
+      tags: { from: '/', 'routing.instrumentation': 'react-router-v3' },
+    });
+  });
+});
diff --git a/yarn.lock b/yarn.lock
index 8d9c864740cd..82d58cd3ab97 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1458,16 +1458,6 @@
   resolved "https://registry.yarnpkg.com/@types/highlight.js/-/highlight.js-9.12.4.tgz#8c3496bd1b50cc04aeefd691140aa571d4dbfa34"
   integrity sha512-t2szdkwmg2JJyuCM20e8kR2X59WCE5Zkl4bzm1u1Oukjm79zpbiAv+QjnwLnuuV0WHEcX2NgUItu0pAMKuOPww==
 
-"@types/history@*", "@types/history@^4.7.6":
-  version "4.7.6"
-  resolved "https://registry.yarnpkg.com/@types/history/-/history-4.7.6.tgz#ed8fc802c45b8e8f54419c2d054e55c9ea344356"
-  integrity sha512-GRTZLeLJ8ia00ZH8mxMO8t0aC9M1N9bN461Z2eaRurJo6Fpa+utgCwLzI4jQHcrdzuzp5WPN9jRwpsCQ1VhJ5w==
-
-"@types/history@^3":
-  version "3.2.4"
-  resolved "https://registry.yarnpkg.com/@types/history/-/history-3.2.4.tgz#0b6c62240d1fac020853aa5608758991d9f6ef3d"
-  integrity sha512-q7x8QeCRk2T6DR2UznwYW//mpN5uNlyajkewH2xd1s1ozCS4oHFRg2WMusxwLFlE57EkUYsd/gCapLBYzV3ffg==
-
 "@types/hoist-non-react-statics@^3.3.1":
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/@types/hoist-non-react-statics/-/hoist-non-react-statics-3.3.1.tgz#1124aafe5118cb591977aeb1ceaaed1070eb039f"
@@ -1604,22 +1594,6 @@
   resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.3.tgz#7ee330ba7caafb98090bece86a5ee44115904c2c"
   integrity sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==
 
-"@types/react-router-3@npm:@types/react-router@3.0.20":
-  version "3.0.20"
-  resolved "https://registry.yarnpkg.com/@types/react-router/-/react-router-3.0.20.tgz#a711682475ccef70ad9ad9e459859380221e6ee6"
-  integrity sha512-0sx2ThGYgblXPf8we/c+umFzP3RCbBp1bbFmd3pO1UaOYnTDno82iql3MQTVqB09rhopKORNfakDU/9xZ4QR6g==
-  dependencies:
-    "@types/history" "^3"
-    "@types/react" "*"
-
-"@types/react-router@^5.1.8":
-  version "5.1.8"
-  resolved "https://registry.yarnpkg.com/@types/react-router/-/react-router-5.1.8.tgz#4614e5ba7559657438e17766bb95ef6ed6acc3fa"
-  integrity sha512-HzOyJb+wFmyEhyfp4D4NYrumi+LQgQL/68HvJO+q6XtuHSDvw6Aqov7sCAhjbNq3bUPgPqbdvjXC5HeB2oEAPg==
-  dependencies:
-    "@types/history" "*"
-    "@types/react" "*"
-
 "@types/react-test-renderer@*":
   version "16.9.2"
   resolved "https://registry.yarnpkg.com/@types/react-test-renderer/-/react-test-renderer-16.9.2.tgz#e1c408831e8183e5ad748fdece02214a7c2ab6c5"
@@ -1968,32 +1942,11 @@ after@0.8.2:
   resolved "https://registry.yarnpkg.com/after/-/after-0.8.2.tgz#fedb394f9f0e02aa9768e702bda23b505fae7e1f"
   integrity sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8=
 
-agent-base@4, agent-base@^4.3.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.3.0.tgz#8165f01c436009bccad0b1d122f05ed770efc6ee"
-  integrity sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==
-  dependencies:
-    es6-promisify "^5.0.0"
-
-agent-base@5:
+agent-base@4, agent-base@5, agent-base@6, agent-base@^4.3.0, agent-base@~4.2.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-5.1.1.tgz#e8fb3f242959db44d63be665db7a8e739537a32c"
   integrity sha512-TMeqbNl2fMW0nMjTEPOwe3J/PRFP4vqeoNuQMG0HlMrtm5QxKqdvAkZ1pRBQ/ulIyDD5Yq0nJ7YbdD8ey0TO3g==
 
-agent-base@6:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-6.0.1.tgz#808007e4e5867decb0ab6ab2f928fbdb5a596db4"
-  integrity sha512-01q25QQDwLSsyfhrKbn8yuur+JNw0H+0Y4JiGIKd3z9aYk/w/2kxD/Upc+t2ZBBSUNff50VjPsSW2YxM8QYKVg==
-  dependencies:
-    debug "4"
-
-agent-base@~4.2.1:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.2.1.tgz#d89e5999f797875674c07d87f260fc41e83e8ca9"
-  integrity sha512-JVwXMr9nHYTUXsBFKUqhJwvlcYU/blreOEUkhNR2eXZIvwd+c+o5V4MgDPKWnMS/56awN3TRzIP+KoPn+roQtg==
-  dependencies:
-    es6-promisify "^5.0.0"
-
 agentkeepalive@^3.4.1:
   version "3.5.2"
   resolved "https://registry.yarnpkg.com/agentkeepalive/-/agentkeepalive-3.5.2.tgz#a113924dd3fa24a0bc3b78108c450c2abee00f67"
@@ -5183,18 +5136,6 @@ es6-object-assign@^1.1.0:
   resolved "https://registry.yarnpkg.com/es6-object-assign/-/es6-object-assign-1.1.0.tgz#c2c3582656247c39ea107cb1e6652b6f9f24523c"
   integrity sha1-wsNYJlYkfDnqEHyx5mUrb58kUjw=
 
-es6-promise@^4.0.3:
-  version "4.2.8"
-  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
-  integrity sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w==
-
-es6-promisify@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
-  integrity sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=
-  dependencies:
-    es6-promise "^4.0.3"
-
 escalade@^3.0.1:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.0.2.tgz#6a580d70edb87880f22b4c91d0d56078df6962c4"
@@ -6417,11 +6358,6 @@ hmac-drbg@^1.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.1"
 
-hoist-non-react-statics@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-1.2.0.tgz#aa448cf0986d55cc40773b17174b7dd066cb7cfb"
-  integrity sha1-qkSM8JhtVcxAdzsXF0t90GbLfPs=
-
 hoist-non-react-statics@^3.3.0, hoist-non-react-statics@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz#ece0acaf71d62c2969c2ec59feff42a4b1a85b45"
@@ -10623,7 +10559,7 @@ promzard@^0.3.0:
   dependencies:
     read "1"
 
-prop-types@^15.5.6, prop-types@^15.6.2:
+prop-types@^15.6.2, prop-types@^15.7.2:
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
   integrity sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==
@@ -10861,22 +10797,23 @@ react-dom@^16.0.0:
     prop-types "^15.6.2"
     scheduler "^0.19.1"
 
-react-is@^16.12.0, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4, react-is@^16.8.6:
+react-is@^16.12.0, react-is@^16.13.0, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4, react-is@^16.8.6:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
-"react-router-3@npm:react-router@3.2.0":
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/react-router/-/react-router-3.2.0.tgz#62b6279d589b70b34e265113e4c0a9261a02ed36"
-  integrity sha512-sXlLOg0TRCqnjCVskqBHGjzNjcJKUqXEKnDSuxMYJSPJNq9hROE9VsiIW2kfIq7Ev+20Iz0nxayekXyv0XNmsg==
+"react-router-3@npm:react-router@^3.2.0":
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/react-router/-/react-router-3.2.6.tgz#cad202796a7bba3efc2100da453b3379c9d4aeb4"
+  integrity sha512-nlxtQE8B22hb/JxdaslI1tfZacxFU8x8BJryXOnR2RxB4vc01zuHYAHAIgmBkdk1kzXaA25hZxK6KAH/+CXArw==
   dependencies:
     create-react-class "^15.5.1"
     history "^3.0.0"
-    hoist-non-react-statics "^1.2.0"
+    hoist-non-react-statics "^3.3.2"
     invariant "^2.2.1"
     loose-envify "^1.2.0"
-    prop-types "^15.5.6"
+    prop-types "^15.7.2"
+    react-is "^16.13.0"
     warning "^3.0.0"
 
 react-test-renderer@^16.13.1: