Old Dominion 100

Fort Valley, VA 581 Boliver Rd, Fort Valley, VA

Old Dominion 100 is part of the Grand Slam of Ultra Marathons' organization and covers one-hundred miles through various terrains; gravel, single-track, logging and ATV routes, rocks, streams, and payment. All runners should also plan for mud, depending on Virginia's spring weather. This course starts and ends at Shenandoah Country Fairground. It is a 14,000…

Western States 100

Olympic Valley, CA

The Western States 100 is an epic 100-mile trail run from Olympic Valley to Auburn, CA, in one day on the last weekend of June. It is the world's oldest 100 trail race, starting in 1974 as one of the ultimate endurance tests. Over the course, runners will climb more than 18,000 feet and descend…

Vermont 100 Endurance Race

Killington, Vermont Killington, VT

Vermont 100 Endurance Race is an annual premier ultra trail event in July and a Grand Slam of Ultrarunning events.  Racers can register for either the 100-mile or the 100-km race. This event was established in 1989 and is the only 100-miler with a concurrent horse race. The course winds through the Green Mountains with…

Leadville Trail 100 Run

Leadville, Colorado Leadville, CO

The Leadville Race Series started with the Leadville Trail 100 Run, also known as "Race Across the Sky," one-hundred miles of extreme terrain that reaches 12,600 feet of elevation at Hope Pass. The course comprises forest trails and mountain roads through the Colorado Rockies and is held in San Isabel National Forest with a special…

$375