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Mission Statement - Rev3Endurance supports an adventurous lifestyle.  Our goal is to produce events that encourage everyone to come out and compete and enjoy their outdoor experience.

Mike Spiller - Race Director/Owner - Email


Mike is an outdoor enthusiast with a passion for adventure. He has been an athlete most of his life and found his taste for adventure when climbing Mt Kilimanjaro in 2006. He has completed over 100 adventure races ranging from Sprint Tough Mudder to Primal Quest Montana. He has designed and managed events such as the USARA US Championship and the Adventure Racing World Championship (Cowboy Tough - Wyoming). Mike shares his passion of the sport by operating Rev3Adventure and Rev3Endurance with his family and friends. Together, they focus on creating unique activities and events to get families active outdoors.    

Christi Manning - Race Director/Owner - Email


Christi is an avid outdoor enthusiast, passionate about health and wellness. She began racing by running 5ks and half-marathons that later developed into Tough Mudders and adventure races. She loves to travel the world to find unique races. Her most memorable experience was a race on an active volcano in Nicaragua. Christi brought together several like-minded individuals to help create Rev3Endurance and host the Conquer the Mountain Adventure Race Series at Bryce Resort. 

Kelli Williams - Creative Marketing Director - Email


Kelli is an avid cyclist, hiker, and trail runner and has competed in cross country races at the state and regional levels. She enjoys the challenge, action and camaraderie of adventure racing and seeks to explore the outdoors through unique experiences, from paint-balling, to snowshoeing, to rock climbing and overlanding. Among her most cherished experiences was dog sledding in central Maryland. In her professional career, Kelli has been actively involved in tourism and recreation marketing, adventure education, challenge course facilitation, and community development. 

Robert Kurtts - Race Director - Email


Robert is an avid gravel cyclist and mountain biker with a decade and a half experience adventure racing.  He’s a recovering triathlete who enjoys the challenge of designing and executing a fun and safe adventure race.  He’s travelled the world, competed in over 100 races of various disciplines, tested gravity in many ways, and has been trained by the worlds absolute best navigators (flying at night at 300 ft).  Robert is a special operations aviator and army officer professionally. He’s also a proud husband and father of 3 forced adventurers! 

Mike Nelson - Logistics Director and coordinator


Mikey is a retired firefighter who enjoys spending time outdoors supporting REV3Endurance and solving their logistic challenges. When he's not helping REV3 with all their organizational task you can find Mike our riding his motorcycle on any number of mountainous roads with twist and turns. 

Nick Hurff - Race Director - Email

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To build a course that will challenge experienced adventure racers while new racers gain experience and learn along the way.

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