diff --git a/.circleci/config.yml b/.circleci/config.yml
index d4b8004..4ecc8cc 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -28,9 +28,14 @@ jobs:
           name: Calculate test coverage
           command: |
             mkdir -p $TEST_RESULTS
-            go test -coverprofile=c.out ./... > /dev/null
-            go tool cover -html=c.out -o coverage.html
+            go test -coverprofile=coverage.out ./... > /dev/null
+            go test -race -coverprofile=coverage.txt -covermode=atomic ./... > /dev/null
+            go tool cover -html=coverage.out -o coverage.html
             mv coverage.html $TEST_RESULTS
+      - run:
+          name: Upload test coverage
+          command: |
+            bash <(curl -s https://codecov.io/bash)
       - run:
           name: Lint (golint)
           command: |
@@ -67,4 +72,4 @@ workflows:
           matrix:
             parameters:
               # To test with and without generics (versions prior to 1.18)
-              version: ["1.18", "1.17"]
\ No newline at end of file
+              version: [ "1.18", "1.17" ]
\ No newline at end of file
diff --git a/README.md b/README.md
index 920847b..ebc0b54 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
-[![GoDoc](https://godoc.org/github.com/emirpasic/gods?status.svg)](https://godoc.org/github.com/emirpasic/gods) [![Build Status](https://circleci.com/gh/emirpasic/gods/tree/master.svg?style=shield)](https://circleci.com/gh/emirpasic/gods?branch=master) [![Go Report Card](https://goreportcard.com/badge/github.com/emirpasic/gods)](https://goreportcard.com/report/github.com/emirpasic/gods) [![PyPI](https://img.shields.io/badge/License-BSD_2--Clause-green.svg)](https://github.com/emirpasic/gods/blob/master/LICENSE)
+[![GoDoc](https://godoc.org/github.com/emirpasic/gods?status.svg)](https://godoc.org/github.com/emirpasic/gods)
+[![Build Status](https://circleci.com/gh/emirpasic/gods/tree/master.svg?style=shield)](https://circleci.com/gh/emirpasic/gods?branch=master)
+[![Go Report Card](https://goreportcard.com/badge/github.com/emirpasic/gods)](https://goreportcard.com/report/github.com/emirpasic/gods)
+[![codecov](https://codecov.io/gh/emirpasic/gods/branch/master/graph/badge.svg)](https://codecov.io/gh/emirpasic/gods)
+[![PyPI](https://img.shields.io/badge/License-BSD_2--Clause-green.svg)](https://github.com/emirpasic/gods/blob/master/LICENSE)
 
 # GoDS (Go Data Structures)