What is the Colorado Challenge Series?
The Colorado Challenge Series is a collection of four high‑intensity physical fitness events designed to push your limits while supporting veterans and their families. Participants who register for the full Series earn the exclusive 2026 Colorado Challenge Series Medal, awarded only to those who complete all four events. This is the ultimate Colorado fitness challenge uniting endurance, community, and charity to make a real impact for those who served.
Unsure if you can make every event, or want to space out the commitment? You can register for the 2026 CO Challenge Series medal, and then register by event as you go.
The most cost efficient way to participate in all of the events. Register for the 2026 CO Challenge Series medal and all four events all in one swoop.
Challenge yourself,
support our veterans
Welcome to the Colorado Challenge Series. It is more than a series of races, it’s a rally for resilience. Every step fuels support for veterans and their families, turning endurance into impact. Join us in making a difference, one challenge at a time.
Our mission
The Colorado Challenge Series is more than a collection of endurance events - it’s a movement built on resilience, remembrance, and community. From the relentless test of the Infinity Run, to the high‑altitude adventure of the Rita Race, the solemn tribute of the Bataan Death March Colorado, and the strength‑driven Memorial Day Ruck March, each challenge pushes participants beyond their limits while honoring those who have served.
Every mile, every march, and every climb fuels a greater purpose: raising funds and awareness to support veterans and their families through Veterans to Veterans and the Mt. Carmel Veterans Service Center. Together, these events transform physical endurance into lasting impact, ensuring that no veteran stands alone.
Upcoming events
Explore our upcoming challenge series events. Each event is carefully designed to test your endurance, resilience, and teamwork skills. From scenic ruck marches to exhilarating runs, there’s a challenge for everyone. Check out the details and sign up to secure your spot!
Memorial Day Ruck March
May 16th, 2026
The Memorial Day Ruck March is more than a challenge, it’s a qualifier for the prestigious Norwegian Foot March. This demanding course pushes participants to their limits while honoring service, built in collaboration with the Special Forces Foundation to strengthen community and resilience.
Rita Race
(Victor CO) 10k
July 11th, 2026
The Rita Race is one of the highest‑elevation races in the nation, challenging runners against altitude and terrain. Winding through the historic mining country of Victor, CO, the course offers breathtaking views and a whimsical encounter with one of the famed Dambo trolls, making this race as unforgettable as it is demanding.
Infinity Run
Colorado
August 8th & 9th, 2026
The Infinity Run is designed to test your limits like never before. Every 20 minutes, runners are called to complete another mile on the Pikes Peak International Raceway track, continuing until they can no longer answer the call. It’s not just a race, it’s a challenge against endurance, resilience, and the edge of possibility.
Bataan Death March Colorado
October 3rd, 2026
The Bataan Death March Colorado honors the memory of the Soldiers who endured the tragic Bataan Death March of World War II. This event raises awareness of those horrific events while challenging participants to pay tribute through physical endurance and resilience.
About us
The Colorado Challenge Series is more than a lineup of physical events, it’s a movement with purpose. Every race, scramble, and challenge is designed not only to test endurance and build camaraderie, but to create meaningful change for those who have served our nation.
Through the support of Veterans to Veterans and the Mt. Carmel Veterans Service Center, the Series raises vital funds to provide military members, veterans, and their families with the resources they need to thrive. From career placement and counseling to housing, wellness, and community connection, these programs ensure that no veteran stands alone.
When you join the Colorado Challenge Series, you’re not just competing, you’re contributing. Together, we honor service, strengthen families, and build a community that rallies behind its heroes.
Making a difference together
Join us in our mission to support veterans through challenging and rewarding events. Every step you take, every mile you conquer, helps us provide crucial resources and services to those who have served our country by donating proceeds to Mt. Carmel Veterans Service Center in Colorado Springs, Colorado. Together, we can make a significant impact and honor their sacrifices.
"The Colorado Challenge Series is an incredible organization that combines fitness, community, and giving back to our veterans. I'm proud to be a part of it!"
John S.
"Participating in the ruck march was one of the most challenging and rewarding experiences of my life. Knowing that we were raising money for veterans made it even more meaningful."
Emily R.
"As a veteran living here in Colorado, I'm grateful for the Colorado Challenge Series' dedication to supporting our community. The funds they raise make a real difference in the lives of veterans in need."
David L.
Contact us
Location
Colorado Springs, CO
United States