A Day in the Life: Altitude Triathlon Camp in Font-Romeu
Becoming a Pro Triathlete ft. Marten Van Riel
Two Years After my Injury: Winning the Ironman 70.3 in Bahrain
Marten Van Riel - Swim & Gym Session
Marten Van Riel - Threshold Run Session
Marten Van Riel on that CRAZY sprint finish
Unbelievable Triathlon Sprint Finish - Alex Yee Vs Marten Van Riel In Head To Head Race
Becoming a Triathlon Champion with Marten van Riel
Arena Games Triathlon Race Day - All Access With Marten Van Riel
The Riel Distance with Average Rob
Closest Triathlon Finish Ever!?! I Won T100 San Francisco!
The Triathlon Legend, Mentor And Friend That Inspired The Marten Van Riel Story
Keep it RIEL with Belgian Hammer Marten Van Riel
Countdown to San Francisco T100: New Threats | Marten Van Riel, Taylor Knibb
The man EVERYONE is talking about | Marten van Riel debut at San Francisco T100
The Riel Distance with Philippe Gilbert
How To Beat The Best Short Course Athletes In Triathlon Race
How Well Do Vincent Luis and Marten Van Riel Know Fellow Triathletes?
Tokyo thoughts with Marten Van Riel
The road to RIO 2016 Marten Van Riel