diff --git a/site/about/niels.md b/site/about/niels.md
index 565985d..e6f60b6 100644
--- a/site/about/niels.md
+++ b/site/about/niels.md
@@ -119,6 +119,7 @@ Most of these I don't use actively.
   + [Uncyclopedia](https://en.uncyclopedia.co/wiki/User:Schabeindividuum)
   + [LinkedIn](https://www.linkedin.com/in/ngwwws/)
   + [Identi.ca](https://identi.ca/nqpz)
+  + [HackerRank](https://www.hackerrank.com/ngws1)
 
 
 ## Keys