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Trail 20 mile races in North America
Compare trail 20 mile races across North America and choose where to compete next. Compare 21 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Hell Creek 100, Conquer the Castle and Kessel Run Ultra.
21 listed events · 21 with upcoming dates
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Upcoming 20 mile races
21 matching events, earliest date first. Entry availability is shown separately.
Hell Creek 100
USASylvan Grove, Kansas
Trail races on the Switchgrass trails beside Wilson Lake, including the Pure Hell 140 and shorter solo options. A separate team relay is also offered.
· 20mi
Race details, entry and past editions →Entry information ↗Conquer the Castle
USAMayfield, Ohio
Trail races through North Chagrin Reservation with woodland loops, creek crossings and a visit to Squire’s Castle.
· 20mi
Race details, entry and past editions →Entry information ↗Kessel Run Ultra
USAFruita, Colorado
High-desert trail races on the North Fruita singletrack, with five distances and separate morning starts.
· 20mi
Race details, entry and past editions →Entry information ↗Veterans Trail Festival
USAHookstown, Pennsylvania
A veterans charity running festival at Raccoon Creek State Park, formerly listed as Resilient Service Members Classic. The longer races use woodland…
· 20mi
Race details, entry and past editions →Entry information ↗Austin Rattler Run
USABurnet, Texas
Trail running races on the singletrack, doubletrack and ranch roads of Reveille Peak Ranch in the Texas Hill Country.
· 20mi
Race details, entry and past editions →Entry information ↗Dizzy Fifties
USAHuntsville, Alabama
Figure-eight trail races on Monte Sano, combining plateau trails with a descent and climb through the Sinks area.
· 20mi
Race details, entry and past editions →Entry information ↗Isle du Bois Trail Run
USAPilot Point, Texas
Loop races on singletrack beside Lake Ray Roberts, mixing runnable stretches with rocks and roots.
· 20mi
Race details, entry and past editions →Entry information ↗Loup Garou Trail Run
USAVille Platte, Louisiana
Trail races through cypress swamps, hardwood forest and pine woods at Chicot State Park, with long wooden bridges and singletrack.
· 20mi
Race details, entry and past editions →Entry information ↗Croom Zoom
USABrooksville, Florida
Trail races through the oak hammocks and shaded terrain of Croom Park.
· 20mi
Race details, entry and past editions →Entry information ↗Coldwater Hundred
USAGoodyear, Arizona
Desert trail races through the foothills of the Sierra Estrella mountains.
· 20mi
Race details, entry and past editions →Entry information ↗The Shippey
USAHigh Ridge, Missouri
A weekend of winter trail races at Beaumont Scout Reservation.
· 20mi
Race details, entry and past editions →Entry information ↗Stories Trail Runs
USAColorado Springs, Colorado
A weekend of timed and fixed-distance winter trail races at Cheyenne Mountain State Park.
· 20mi
Race details, entry and past editions →Entry information ↗Febapple Frozen Fifty
USAMaplewood, New Jersey
Winter trail races on hilly loops through South Mountain Reservation.
· 20mi
Race details, entry and past editions →Entry information ↗Goliath's 50
USAMarble Falls, Texas
Trail ultras and shorter races on dirt, sand and rock beside the Colorado River.
· 20mi
Race details, entry and past editions →Entry information ↗Lord Hill Trail Run
USASnohomish, Washington
Hilly woodland trail races at Lord Hill Regional Park.
· 20mi
Race details, entry and past editions →Entry information ↗Naked Bavarian
USALeesport, Pennsylvania
Low-frills trail races around Blue Marsh Lake.
· 20mi
Race details, entry and past editions →Entry information ↗Three Creeks Torrent Trail Runs
USAColumbia, Missouri
Trail races through Three Creeks Conservation Area near Columbia.
· 20mi
Race details, entry and past editions →Entry information ↗Thunder Kiss
USASterrett, Alabama
Trail ultras and a twenty-mile race on the ridges of Double Oak Park.
· 20mi
Race details, entry and past editions →Entry information ↗Brazos Legend
USAWaco, Texas
Hilly trail races on the Cameron Park trails in Waco.
· 20mi
Race details, entry and past editions →Entry information ↗English's Ridge Rumble
USAFayetteville, New York
Trail races on a varied loop through Green Lakes State Park.
· 20mi · Status TBC
Race details, entry and past editions →Born to Run Ultra Marathons
USALos Olivos, California
A trail-running festival on dirt ranch roads and singletrack near Los Olivos.
· 20mi
Race details, entry and past editions →Entry information ↗Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
No separate archived race guides are listed for this selection yet.
View full race archive (0) →Choosing a race in North America
The unfiltered upcoming calendar includes events in Brooksville (1), Burnet (1), Colorado Springs (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 20 mile races in North America
Which trail 20 mile races are coming up in North America?
Hell Creek 100 is listed for 31 October 2026. Conquer the Castle is listed for 7 November 2026. Kessel Run Ultra is listed for 7 November 2026. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for North America?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.