Explore by location
Trail ultramarathons around the world
Build your racing calendar, close to home or further afield. Compare 600 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 Trail Run at Sly Park - Fall, Triple Lakes Trail Race and Womp Romp.
Start with a continent, including North America, Europe and Asia, or browse the other locations below.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
746 listed events · 600 with upcoming dates · 3 upcoming featured races
Upcoming ultramarathons
600 matching events, earliest date first. Entry availability is shown separately.
Trail Run at Sly Park - Fall
USAPollock Pines, California
Autumn trail races around Jenkinson Lake at Sly Park Recreation Area.
Date listed · latest organiser confirmation not yet checked.
Triple Lakes Trail Race
USAGreensboro, North Carolina
Trail races around Greensboro’s lakes, based at Bur-Mil Park.
Date listed · latest organiser confirmation not yet checked.
Womp Romp
USANorwell, Massachusetts
Volunteer-run trail races through Wompatuck State Park, with woodland trails and some paved sections.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
WXT Ultra
USATitusville, New Jersey
Trail races through Washington Crossing Park and nearby woodland, with short road sections. The 2026 start and finish are at Phillips Farm while the…
Date listed · latest organiser confirmation not yet checked.
Hixon 50
USALa Crosse, Wisconsin
A weekend of trail races in La Crosse’s wooded bluffs, with short courses and a children’s race on Saturday and longer races on Sunday.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Stone Steps 50K and 27K Trail Run
USACincinnati, Ohio
Trail races through Mount Airy Forest, starting and finishing at The Oval.
Date listed · latest organiser confirmation not yet checked.
Vjosa Wild River Ultra Trail
ALBTepelenë, Gjirokastër County
A five-distance trail festival following the Vjosa River, with routes from 11 km to 100 km.
Date listed · latest organiser confirmation not yet checked.
WTF Dark Sky 220, Cherry Springs 110 and Wooly 50K
USALock Haven / Woolrich, Pennsylvania
Fundraising trail adventures in Pennsylvania, with supported, self-supported and unsupported participation. Each distance has a separate start date and…
Date listed · latest organiser confirmation not yet checked.
Machete Muertos Trail Races
USAPerris, California
Mountain trail races around Lake Perris for the Día de los Muertos weekend. The 200-mile race starts on Wednesday, with the shorter races starting on…
Date listed · latest organiser confirmation not yet checked.
Black Beacon Mountain Races
WALHay-on-Wye / Pontneddfechan, Powys
Four mountain trail distances in the Bannau Brycheiniog area.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
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.
Date listed · latest organiser confirmation not yet checked.
Kullamannen by UTMB
SWEMölle
Kullamannen by UTMB — an official UTMB World Series Event.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Mallorca by UTMB®
ESPSóller, Mallorca
Mallorca by UTMB® — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Camino De Los Muertos
USALewisville, Texas
Trail races at the Lewisville Lake Environmental Learning Area, with five adult distances and a one-mile youth run.
Date listed · latest organiser confirmation not yet checked.
Chiltern Ridge Winter 50K
ENGHerts, South of England
Chiltern Ridge Winter 50K — Berkamsted Cricket Club, Berkhamsted, Herts. Listed on runABC (South of England).
Date listed · latest organiser confirmation not yet checked.
Cougar Mountain Trail Run
USABellevue, Washington
Autumn trail races through Cougar Mountain Regional Wildland Park, starting at Sky Country Trailhead.
Date listed · latest organiser confirmation not yet checked.
Fall Back Blast
USAEau Claire, Wisconsin
An autumn trail running festival at Lowes Creek County Park, with five solo distances and a 50K relay.
Date listed · latest organiser confirmation not yet checked.
Fall Back into the Trails Series
USALagrangeville, New York
Trail races on a hilly 10K loop at Red Wing Recreation Area. The 100K starts on Saturday afternoon; the 50K and 10K start on Sunday morning.
Date listed · latest organiser confirmation not yet checked.
Linacre Infini Trail Run
ENGChesterfield, North of England
Linacre Infini Trail Run — Linacre Reservoirs, Chesterfield. Listed on runABC (North of England).
Date listed · latest organiser confirmation not yet checked.
Naatsisaan Trail Races
USANavajo Mountain, Utah
Trail and dirt-road races from Navajo Mountain High School, with a mountain ultra, ten-mile race and afternoon community 5K.
Date listed · latest organiser confirmation not yet checked.
Outrun The Night
SCODalkeith, Scotland
Outrun The Night — Dalkeith Country Park, Dalkeith. Listed on runABC (Scotland).
Date listed · latest organiser confirmation not yet checked.
Pumpkin Butt
USAKennesaw, Georgia
A free 50K club trail run for GUTS members, using five approximately 10K loops. The organiser classifies this as an unofficial run because of permit…
Date listed · latest organiser confirmation not yet checked.
Terror Trails Ultra
USAWaxhaw, North Carolina
Halloween trail races at Cane Creek Park, ranging from a short woodland loop to a two-loop ultra.
Date listed · latest organiser confirmation not yet checked.
Thunder River
USACascade Locks, Oregon
Columbia River Gorge trail races finishing at Marine Park, with a looped 50K and a point-to-point 25K.
Date listed · latest organiser confirmation not yet checked.
Ultra Trail Kempen
BELMalle, Antwerp
Ultra Trail Kempen in Malle, with each confirmed adult/open running distance listed separately.
Date listed · latest organiser confirmation not yet checked.
Autumn Squatch
USALewis Center, Ohio
Autumn trail races on the Rocks and Roots trails at Alum Creek State Park, using alternating north and south loops.
Date listed · latest organiser confirmation not yet checked.
Fire on the Mountain
USALittle Orleans, Maryland
Trail ultras and a shorter forest race at Green Ridge State Forest, using trails and forest roads from Point Lookout.
Date listed · latest organiser confirmation not yet checked.
Mamba 100
USAMemphis, Tennessee
Ultramarathons and a shorter trail race on the Wolf River trails. Different lead-in sections join a flat woodland loop; each distance has its own start.
Date listed · latest organiser confirmation not yet checked.
tBunk Endurance Challenge
USALaGrange, Wisconsin
Multiple fixed-distance ultras on the Nordic Trail system in the Southern Kettle Moraine State Forest.
Date listed · latest organiser confirmation not yet checked.
Ultra-Trail Shudao by UTMB®
CHNGuangyuan
Ultra-Trail Shudao by UTMB® — an official UTMB World Series Event.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
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.
Open the race archive to browse past events and races awaiting a new date.
View full race archive (146) →