Like a century on a road bike, the 50-miler mountain bike race is long enough to crush you (in a good way), but you don’t need to quit your job to train. Here are some by you—give or take a few miles.
Firecracker 50, Breckenridge, CO
Stump Farm 100, Suamico, WI
There are 30-, 60-, and 100-mile options.
Silver Rush 50 MTB, Leadville, CO
Chama Redneck Epic, Chama, NM
There are 50-, 70-, 82-, and 101-mile options.
Tatanka Mountain Bike Race, Sturgis, SD
There are 22-, 55-, and 135-kilometer options.
Suntop 30/50 Mile Mountain Bike Race, Buck Creek Camp, WA
There is a 30- and 50-mile option.
Grizzly 100, Big Bear Lake, CA
There is a 75- and a 100-kilometer option.
Copper Crush, Copper Mountain, CO
Off Road Assault on Mt. Mitchell, Old Fort, NC
This is a 60-mile race.
The Original Growler, Gunnison, CO
There is a 32- and 64-mile option.
Steamboat Stinger, Steamboat Springs, CO
Vermont 50, Brownsville, VT
Bailey Hundito, Bailey, CO
There are 50- and 100-mile options.
Whiskey Off-Road, Prescott, AZ
There are 30 and 50 Proof options, with the 50 Proof coming in at just under 50 miles.
Carson City Off-Road, Carson City, NV
There are 15-, 30-, and 50-mile options.