Explore upcoming multiday running events worldwide — from 24-hour track races to desert stage races, fixed-distance classics, and 200-mile mountain crossings. Filter by format, region, or terrain, or use the archive to research editions that have already taken place.
Open a crawlable calendar when you already know the year or race format you want.
Browse every listed 2026 edition month by month, including the archive.
Open calendar →7 listingsCompare source-checked 24-hour races across track, road, and trail.
Open calendar →3 listingsFocus on the backyard and championship-linked listings for 2026.
Open calendar →Upcoming and past groupings use the listed dates as of August 6, 2026. Directory records were reviewed against the linked official sources in June 2026. Dates, entry rules, availability, fees, and course details can change; verify them with the organizer before registering or booking travel. “Simpler logistics” is an editorial comparison, not a safety rating.
Showing 24 upcoming and 9 past of 33 events
Current and future editions, ordered by start date.
Cascade Mountains, Washington, USA
A 207.9-mile nonstop point-to-point mountain ultra through the Cascades around Mount St. Helens, with 45,563 ft of climbing and 12 full aid stations.
Namib Desert, Namibia
A 250km, 6-stage self-supported ultramarathon through the Namib Desert — sand dunes, salt pans, dry riverbeds, and gravel plains. Finishes in the coastal town of Swakopmund.
Le Bouveret, Valais, Switzerland
SwissPeaks' longest alpine challenge, linking glacier country and Lake Geneva terrain across a technical 643km route for ultra-expert runners.
Jamaica, Queens, New York City, New York, USA
The world's longest certified road race: 3,100 miles around a measured city-block loop in Queens, with runners moving from 6:00 AM to midnight for up to 52 days.
Brig to Le Bouveret, Valais, Switzerland
A major SwissPeaks alpine ultra from Brig to Le Bouveret, with 397km of very technical mountain terrain and multiple life-base aid points.
Conwy to Cardiff, Wales, UK
A legendary 6-day mountain stage race along the spine of Wales, covering technical terrain from Conwy Castle to Cardiff with 16,400m of ascent.
Courmayeur, Aosta Valley, Italy
The flagship TORX mountain ultra: a single-stage 330km loop through Italy's Aosta Valley, starting and finishing in Courmayeur with a 150-hour time limit.
Tooting Bec Athletics Track, London, UK
Incorporates the British 24-Hour Championships 2026. An IAU Bronze Label event limited to 55 experienced ultra-runners, held on the Tooting Bec Athletics Track for this edition.
St Ives Showground, Sydney, Australia
One of Australia's premier backyard ultra events. A last-person-standing race starting at 8:00 AM at St Ives Showground with a community-focused atmosphere.
Grand Canyon to Grand Staircase, Utah/Arizona, USA
A self-supported 6-stage, 7-day desert foot race from the Grand Canyon region toward the Grand Staircase, based out of Kanab, Utah.
Athens to Sparta, Greece
The historic 246km ultramarathon from Athens to Sparta, retracing the legendary run of Pheidippides in 490 BC. A 36-hour time limit. One of the most prestigious ultras in the world.
Wadi Rum, Jordan
A multi-stage trail race through the dramatic landscapes of Wadi Rum and the Jordanian desert. One of the Ultra X global adventure racing series.
Moab, Utah, USA
A 241.8-mile desert ultra through Utah's canyons, slickrock, mesas, and mountain ranges around Moab, with 31,892 ft of climbing and a 112-hour cutoff.
Zeewolde, Netherlands
The official Netherlands satellite event for the World Team Championship. Athletes compete as part of the Dutch national team on a course in Zeewolde.
Bell Buckle, Tennessee, USA (and worldwide satellite sites)
The premier backyard ultra team event. National teams of 15 runners compete simultaneously at satellite sites worldwide. Each runner completes 4.167-mile loops every hour. The country with the most total loops wins.
Loutraki, Greece
The 21st edition of this World Cup festival on a 400m tartan track. Features 48-hour, 24-hour, and 12-hour races in a supportive Mediterranean setting.
Port Angeles, Washington, USA
A scenic 24-hour endurance race at Salt Creek Recreation Area on the Olympic Peninsula. Features a 1.3-mile looped course with 12-hour solo and relay options.
Antarctica
The final event in the 4 Deserts Grand Slam. A multi-stage footrace on the Antarctic continent, accessed by expedition ship from Ushuaia, Argentina. The most remote race on the planet.
Namib Desert, Namibia
A 250km self-sufficient desert ultramarathon across five stages in the Namib Desert, with sand dunes, scrubland, heat, and tented camps.
Phoenix, Arizona, USA
An elite invitation-only 24-hour and 100-mile track race at Camelback High School. Limited to 25 runners with qualifying standards. Organized by Aravaipa Running.
Peoria, Arizona, USA
A legendary multi-day running festival spanning New Year's Eve. Offers 6-hour to 6-day fixed-time races plus fixed-distance options. Organized by Aravaipa Running.
Lorton, Virginia, USA
A high-level backyard ultra at Meadowood Special Recreation Management Area, built for deep performances in a small, highly supported field.
Black Canyon City to Flagstaff, Arizona, USA
A 253.3-mile point-to-point journey through central and northern Arizona, linking desert, historic towns, red rock country, and Flagstaff within a 125-hour limit.
Lake Tahoe, California/Nevada, USA
A 200.4-mile loop course around the Lake Tahoe region, using high-elevation mountain terrain, 12 full aid stations, and a 105-hour cutoff.
Archived editions remain available for course research and comparison. Follow the official link for a newer edition or revised registration details.
Death Valley to Mt. Whitney, California, USA
The world's most iconic ultra — 135 miles through Death Valley in July, from the lowest point in North America (Badwater Basin, -282 ft) to the Mt. Whitney Portal (8,360 ft).
Tian Shan Mountains, Kyrgyzstan
A 200km self-sufficient mountain ultramarathon across five stages in the Tian Shan range, with altitude, technical terrain, and 10,500m of total ascent.
Milwaukee, Wisconsin, USA
Part of the Six Days in the Dome festival at the Pettit National Ice Center. A climate-controlled indoor 443m oval, ideal for setting records.
Milwaukee, Wisconsin, USA
The premier indoor 6-day race at the Pettit National Ice Center. A 443m cushioned synthetic oval in a climate-controlled environment — a world-class venue for distance records.
Karakorum, Central Mongolia
The 20th edition of this 250km, 6-stage self-supported race through the Mongolian steppe. Part of the RacingThePlanet 4 Deserts series. Route passes through the UNESCO World Heritage Orkhon Valley.
Hirosaki City, Aomori Prefecture, Japan
The official IAU continental championship for 24-hour running in the Asia and Oceania region, held at Hirosaki City Sports Park.
Pennsauken, New Jersey, USA
One of the oldest 6-day races in the United States, held at Cooper River Park. A flat, looped course that evokes the Victorian 6-day pedestrianism tradition.
Sahara Desert, Morocco
The 40th anniversary edition of the legendary 'Marathon of the Sands.' A 6-stage, 250km self-supported footrace through the Sahara Desert — widely considered the toughest foot race on Earth.
Myrtle Beach, South Carolina, USA
A USATF-certified 1.08-mile paved loop course in The Market Common area. Annual event organized by the City of Myrtle Beach Parks & Recreation.