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 & Co-Founder (retired)
Mike is an outdoor enthusiast with a lifelong passion for adventure. A dedicated athlete, he discovered his love for exploration after climbing Mt. Kilimanjaro in 2006. Since then, he has competed in more than 100 adventure races, ranging from Sprint Tough Mudder events to the legendary Primal Quest Montana.
Beyond racing, Mike has played a key role in shaping the sport, having designed and managed major events such as the USARA National Championship and the Adventure Racing World Championship (Cowboy Tough – Wyoming).
Through Rev3Adventure and Rev3Endurance, Mike shares his passion with his family, friends, and the broader community—creating unique, family-friendly events that inspire people to get active, explore the outdoors, and embrace adventure.
Christi Manning - Race Director & co-Founder (Retired)
Christi is an avid outdoor enthusiast with a strong passion for health, wellness, and adventure. Her racing journey began with 5Ks and half-marathons, which soon evolved into Tough Mudders and adventure races across the country.
Driven by a love of travel and new challenges, Christi has raced around the world—her most unforgettable experience being an event on an active volcano in Nicaragua.
Her enthusiasm for adventure and community inspired her to bring together a team of like-minded athletes to launch Rev3Endurance and create the Conquer the Mountain Adventure Race Series at Bryce Resort. Christi continues to motivate others to get outdoors, push their limits, and discover the joy of adventure.
Robert Kurtts - Race Director
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! .