Challenge Series

Registering for the challenge series allows you to earn the 2026 Challenge Series medal at the end of the final event. You must complete all four events in order to earn the Challenge Series medal.

If you are unsure whether you will be able to participate in all four events, or want to take it one event at a time, this is the way to register! 

You will need to register for:
Memorial Day Ruck March - May 16th, 2026
Rita Race 10K - July 11th, 2026
Infinity Run - August, 2026
Bataan Death March Colorado (Ruck) - October, 2026

Upon completion of each event, participants will receive medals for each event. Upon completion of the final event, participants will receive the 2026 Challenge Series medal. 

Read further about each event on their individual pages!
Memorial Day Ruck March
Rita Race
Infinity Run
Bataan Death March Colorado