Race to SunsetBismarck, North Dakota - June 7-8, 2013 1 of 10
North Dakota's lone endurance mountain biking event, the Race to Sunset is a variety of events ranging from a time trial to the Slow Race (see if you can be the last to cross the finish line without putting your foot on the ground) and the keystone events on the second day—5- and 10-hour rides where you see how many laps you or your team can complete.
Six Hours of Basalm GroveBasalm Grove, North Carolina - June 8, 2013 2 of 10
Taking place on single track, pavement and gravel roads, this 6-hour endurance test is perfect for mountain bikes and cyclocross bikes alike.
24 Hours in the Enchanted ForestMcGaffey, New Mexico - June 15, 2013 3 of 10
This doubles as the USA Cycling 24-Hour National Championship. Taking place on 18 miles of singletrack 7,000 feet above sea level. The ascents and descents are gradual and the track takes you through rolling fields and ponderosa pine forests.
Pocatello City Creek PedalfestPocatello, Idaho - June 21-22, 2013 4 of 10
With races of 12, 17 and 27 miles and all proceeds going back into developing local trails, this is a celebrated weekend of fat-tire fun in Idaho.
12 Hours of Cranky MonkeyQuantico, Virginia - June 22, 2013 5 of 10
Try to complete as many 10-mile laps as possible between 8 a.m. and 8 p.m. on the Quantico Marine Corps Base and its impressive trail network. The course is twisting single-track, challenging hills and long fire roads.
Big Mountain Enduro SeriesVarious locations - June 15-September 29, 2013 6 of 10
This series has five events in three different states—New Mexico (Angel Fire), Colorado (Durango, Crested Butte, Keystone) and Utah (Moab). The final event in Moab explores several famous trails in the epic mountain biking area.
12 Hours at NightPrescott, Arizona - July 13, 2013 7 of 10
Arizona is almost unbearable under the hot summer sun, but a 12-hour race at night is an unforgettable experience. Ride from 8 p.m. to 8 a.m. on a 9-mile course with smooth wide track, twisty singletrack, steep climbs and tunnels.
X100 Ultimate Mountain Bike XVentureTraverse City, Michigan - August 24, 2013 8 of 10
This 100-mile ride explores deep woods, steep hills, pristine lakes, streams and ponds in northern Michigan. Trees, log stumps, rocks and roots will force you to be technical while the sheer distance alone will challenge your endurance.
Camp Tahquitz 6-Hour ChallengeAngelus Oaks, California - August 24, 2013 9 of 10
Ride through the San Bernardino Forest on a 6-mile singletrack course with 1,100 feet of climbing, with challenges such as trees, logs, rocks, hills and grass.