by 303cycling | Feb 21, 2019
Breckenridge Welcome to Colorado’s premier off-road endurance race, the 15th annual Breckenridge 100. This incredible course climbs 13,000 feet over 92 miles. Not quite ready for the Ultra? Race the Marathon distance 100K, the XC distance 32 mile loop; or...
by 303cycling | Jan 29, 2019
Castle Rock Come out for the 10th annual spring fling on the grassy lawn at the Phillip S. Miller Amphitheater. Brink your blanket, spread out on the lawn and cheer on the racers. This ~12 mile circuit includes a bit of the new Phillip S. Miller trail system,...
by 303cycling | Jul 26, 2018 | Mountain Bike Racing, Mountain Biking
Meet Sasha Underwood, 303 Ambassador, an accomplished mountain biker, road cyclist and triathlete and one who guides challenged athletes in running and triathlon competitions. She is athletic and more or less has dedicated the past few months to mountain biking and...
by 303cycling | Jan 18, 2018
Carter Park, Breckenridge Welcome to Colorado’s premier off-road endurance race, the 13th annual BRECK 100. This incredible course climbs 13,719 feet over 100 miles. Not quite ready for the Ultra 100? Challenge your abilities and ride the B-68 Marathon, the...
by 303cycling | Jan 18, 2018
Bear Creek Lake Park, Lakewood Distances for all abilities and ages, including the 3-person Relay Team discipline. The intimate venue and Pit Zone offers a fantastic setting for hot racing action and spectating. The fast 11.5 mile loop that encircles Bear...
by 303cycling | Jan 16, 2018
Castle Rock Come out for the 9th annual spring fling on the grassy lawn at the Phillip S. Miller Amphitheater. Beach balls, hula hoops, and hot racing action. Bring your blanket, spread out on the green lawn and cheer on the racers. This lengthened 16-mile...
by 303cycling | May 4, 2017
Breckenridge Welcome to Colorado’s premier off-road endurance race, the 12th annual BRECK 100. This incredible course climbs 13,719 feet over 100 miles. Not quite ready for the Ultra 100? Challenge your abilities and ride the B-68 Marathon, the B-32 XC, or...
by 303cycling | Apr 19, 2017
Lakewood Distances for all abilities and ages, including the 3-person Relay Team discipline. The intimate venue and Pit Zone offers a fantastic setting for hot racing action and spectating. The fast 11.5 mile loop that encircles Bear Creek Lake Park favors a...
