Explore by location
Ultramarathons around the world
Build your racing calendar, close to home or further afield. Compare 725 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 Rim to River 100, SARR Rocky Horror Trail Run and Sekinchan Ultra.
Start with a continent, including Europe, North America 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.
1,437 listed events · 725 with upcoming dates · 6 upcoming featured races
Upcoming ultramarathons
725 matching events, earliest date first. Entry availability is shown separately.
Rim to River 100
USANew River Gorge, West Virginia
A 100-mile out-and-back race through New River Gorge, starting and finishing at ACE Adventure Resort.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
SARR Rocky Horror Trail Run
USASan Antonio, Texas
Halloween trail races on rocky loops at Eisenhower Park, with four in-person distances.
Date listed · latest organiser confirmation not yet checked.
Sekinchan Ultra
MASSekinchan, Selangor
Sekinchan Ultra: road running in Sekinchan, Malaysia.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Stort30 Ultra
ENGBishop's Stortford, South of England
Stort30 Ultra — Hockerill Sports and Social Club, Bishop's Stortford. Listed on runABC (South of England).
Date listed · latest organiser confirmation not yet checked.
Sublett Point 50K, 25K and 5K
USAGurley, Alabama
Formerly Huntsville RunFest / Go for the Gold. The 2026 programme brings two mountain trail races and the paved Sublett Point 5K together on Saturday.
Date listed · latest organiser confirmation not yet checked.
Tentsmuir 8 Hour Challenge
SCOTayport, Scotland
Tentsmuir 8 Hour Challenge — Tentsmuir Forest, Tayport. Listed on runABC (Scotland).
Date listed · latest organiser confirmation not yet checked.
Thames Trail Ultra
ENGOxfordshire, South of England
Thames Trail Ultra — Hawkwell House Hotel, Iffley, Oxfordshire. Listed on runABC (South of England).
Date listed · latest organiser confirmation not yet checked.
The New Orleans Ultramarathon and Half
USANew Orleans, Louisiana
Urban races through New Orleans on paved roads and paths, finishing at Second Line Brewing. The ultra and half-marathon courses have different starting…
Date listed · latest organiser confirmation not yet checked.
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.
Tussey Mountainback
USABoalsburg, Pennsylvania
Endurance races on mostly unpaved forest roads, with paved sections and a start at Tussey Mountain.
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.
Yippee-Ki-Yay Races
USACouncil Bluffs, Iowa
Out-and-back races on the Wabash Trace Nature Trail, mainly crushed limestone with paved sections.
· Entry closed
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.
Chicago Lakefront Ultras
USAChicago, Illinois
Autumn ultramarathons on Chicago’s paved lakefront path, starting and finishing at Foster Avenue Beach House.
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.
Halloween Hobble
ENGHerts, Midlands
Halloween Hobble — Wodson Park, Ware, Herts. Listed on runABC (Midlands).
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 (712) →