A Canadian ultramarathoner managed to run for 60 hours through the cold, muddy hills of one of the toughest races in the world, but his triumph ended with heartbreak and a disqualification.

Gary Robbins, of North Vancouver, B.C., was attempting to become the first Canadian to complete the notorious Barkley Marathons, a gruelling 60-hour race through the steep hills of Tennessee that only a handful of people have ever completed.

Subscribe to CTV News to watch more videos: https://www.youtube.com/ctvnews

Connect with CTV News:
For the latest news visit: http://www.ctvnews.ca/
For a full video offering visit the CTV News Network: http://www.ctvnews.ca/video
CTV News on Facebook: https://www.facebook.com/CTVNews
CTV News on Twitter: https://twitter.com/CTVNews
Watch CTV News on Twitter: https://twitter.com/WatchCTVNews
CTV News on Google+: https://plus.google.com/+CTVNews/posts
CTV News on Instagram: https://instagram.com/ctvnews/
CTV News on Pinterest: https://www.pinterest.com/ctvnews

---
CTV News is Canada's most-watched news organization both locally and nationally, and has a network of national, international, and local news operations.