UTMB 2023 start. We had perfect weather at the start and basically throughout the entire race. UTMB starts in Chamonix, France and runs… | Instagram
Outside Interactive, Inc. becomes Official Media Partner and Broadcaster of the UTMB World Series in the USA and Canada
![800 Registered Runners Took on Grindstone Trail Running Festival By UTMB, One of The Hardest Courses on The East Coast 800 Registered Runners Took on Grindstone Trail Running Festival By UTMB, One of The Hardest Courses on The East Coast](https://www.endurancesportswire.com/wp-content/uploads/2011/04/UTMB_Grindstone_Color-1.png)
800 Registered Runners Took on Grindstone Trail Running Festival By UTMB, One of The Hardest Courses on The East Coast
![Now that Ironman has partnered with UTMB series, two events added in North America for 2022 - Triathlon Magazine Canada Now that Ironman has partnered with UTMB series, two events added in North America for 2022 - Triathlon Magazine Canada](https://triathlonmagazine.ca/wp-content/uploads/2021/12/UTMB.jpg)
Now that Ironman has partnered with UTMB series, two events added in North America for 2022 - Triathlon Magazine Canada
![Dreaming of running at UTMB? If you live in North America, qualifying just got easier - Canadian Running Magazine Dreaming of running at UTMB? If you live in North America, qualifying just got easier - Canadian Running Magazine](https://runningmagazine.ca/wp-content/uploads/2022/12/Canyons2022-Scott-Rokis1.jpg)