Ironbull Ultra Trail 2026

The Ironbull Ultra Trail transforms Rib Mountain State Park into an exceptional trail running experience with three challenging distances: 15K,…

Presented by Ironbull

Grindstone Running Festival 2026

Set in Virginia’s Shenandoah Valley during peak fall foliage, the Grindstone Running Festival stands out as one of the most…

Presented by UTMB World Series

Vacation Races – Bryce Canyon Ultras 2026

This high-altitude ultra runs around the northern half and western edge of the Paunsaugunt Plateau, delivering spectacular views above and…

Presented by UTMB World Series

The Bear 100 Ultra 2026

This 100-mile point-to-point course from Logan, Utah to Fish Haven, Idaho stands as one of the most prestigious qualifiers in…

Presented by Western States 100 Qualifier

Birkie Trail Run 2026

The Icebug Birkie Trail Run transforms the legendary American Birkebeiner ski course into a challenging trail running experience through northwest…

Presented by American Birkebeiner Ski Foundation

Golden Leaf Half Marathon 2026

Recognized by Trail Runner Magazine as one of “America’s 14 Most Scenic Races,” this intimate half marathon caps at 750…

Presented by Aspen Parks & Recreation

Crested Butte Ultra 2026

Mad Moose Events brings runners to Crested Butte each fall for a challenging high-altitude experience across some of Colorado’s most…

Presented by Mad Moose Events

Vermont 50 Ultra Run 2026

In its 32nd year, the Vermont 50 Ultra Run offers both 50-mile and 50K distances through Vermont’s challenging terrain. What…

Presented by Ascutney Outdoors

Indiana Trail 100 (IT 100) 2026

Founded in 2013 as Indiana’s first 100-mile ultramarathon, this event has evolved into a world-class race that serves as both…

Presented by Ignite Trail Series

Canyonlands Ultra 2026

The Canyonlands Ultra showcases Moab’s spectacular red rock terrain across six distances ranging from 15K to 100K. Organized by Mad…

Presented by Mad Moose Events

Moab Trail Marathon 2026

The Moab Trail Marathon takes runners through some of the most spectacular canyon country on Earth, combining narrow single-track, rugged…

Presented by Moab Trail Marathon

Austin Rattler Run 2026

Set on the sprawling 1,300-acre Reveille Peak Ranch in Texas Hill Country, the Austin Rattler Run combines challenging terrain with…

Presented by Leadville Race Series

Dead Horse Ultra 2026

The Dead Horse Ultra takes full advantage of Moab’s legendary Magnificent Seven trail system, delivering one of Utah’s most challenging…

Presented by Mad Moose Events

Brazos Bend 100 (BB100) 2026

This late-year showdown through Brazos Bend State Park brings a unique twist to ultrarunning: sharing trails with resident American alligators.…

Presented by UTMB World Series

McDowell Mountain Trail Run 2026

The McDowell Mountain Trail Run offers a challenging 15-mile journey through Arizona’s McDowell Mountain Regional Park, showcasing some of the…

Presented by Xterra Planet

Colossal Vail 50/50 2026

Trail running enthusiasts will find the Colossal Vail 50/50 an exceptional desert ultrarunning experience in southern Arizona’s high desert. Organized…

Presented by Arizona Trail Association

Ignite Trail Marathon 2026

The Ignite Trail Marathon takes place on a challenging 13.1-mile loop through Chain O’Lakes State Park that runners complete twice.…

Presented by Ignite Trail Series

Hellgate 100k 2026

Dr. David Horton’s Hellgate 100K stands as one of the most notorious ultras in the Mid-Atlantic, a 66.6-mile winter crucible…

Presented by Western States 100 Qualifier

Avalon 50 2027

Presented by Run Catalina

Arches Ultra 2027

Presented by Mad Moose Events

Oracle Rumble 2027

Presented by Arizona Trail Association