Explore by location
100mi events around the world
Build your racing calendar, close to home or further afield. Compare 106 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 Devil's Gulch, Vero Beach Octopus Ultra and Rise in the Pines.
Start with a continent, including North America and Europe.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
121 listed events · 106 with upcoming dates
Upcoming 100mi events
106 matching events, earliest date first. Entry availability is shown separately.
Devil's Gulch
USAWenatchee, Washington
Mountain trail ultras and a half marathon from Mission Ridge.
Date listed · latest organiser confirmation not yet checked.
Vero Beach Octopus Ultra
USAVero Beach, Florida
Ultras through the exposed and shaded trails around Vero Beach.
Date listed · latest organiser confirmation not yet checked.
Rise in the Pines
USASmithville, Texas
Loop trail races through the pine woods of Rocky Hill Ranch.
Date listed · latest organiser confirmation not yet checked.
Ultra X Wales
WALAbergavenny, Monmouthshire
Ultra X Wales in Abergavenny.
Date listed · latest organiser confirmation not yet checked.
Beacons Way Ultra 100 Mile
WALAbergavenny, Monmouthshire
Beacons Way Ultra 100 Mile in Abergavenny.
Date listed · latest organiser confirmation not yet checked.
Rollin’ 100
ENGClun, Shropshire
Rollin’ 100 in Clun.
Date listed · latest organiser confirmation not yet checked.
Standhope Ultra Challenge
USAKetchum, Idaho
Remote high-altitude trail races in Idaho’s Pioneer Mountains.
Date listed · latest organiser confirmation not yet checked.
Badger Trail Races by Ten Junk Miles Racing
USABelleville, Wisconsin
Rail-trail races on the Badger State and Jane Addams trails.
Date listed · latest organiser confirmation not yet checked.
Burning River Endurance Run
USACuyahoga Falls, Ohio
Ultras and a marathon through the Cuyahoga Valley and Summit Metro Parks.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Loopy Looper
USAPennsauken, New Jersey
Timed races and a 100-miler around Cooper River Park, with a shorter night loop.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Shawnee Hills Trail Races
USAOzark, Illinois
Technical trail ultras through the sandstone hills and forests around Camp Ondessonk.
Date listed · latest organiser confirmation not yet checked.
Ultra Tour Lancashire
ENGDunsop Bridge, Lancashire
Ultra Tour Lancashire in Dunsop Bridge.
Date listed · latest organiser confirmation not yet checked.
Front Range Ultra Dayze
USALoveland, Colorado
Multi-day ultras on a two-mile mixed-surface loop through Centennial Park and Rivers Edge Natural Area.
Date listed · latest organiser confirmation not yet checked.
Wildcat Ultras
USAPensacola, Florida
Ultras on a flat grass and dirt loop at the Escambia County Equestrian Center.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Mogollon Monster
USAPine, Arizona
Mountain trail races around the Mogollon Rim.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Pine Creek Challenge
USAWellsboro, Pennsylvania
Out-and-back endurance races on the Pine Creek Rail Trail.
· Status TBC
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 (15) →