Explore by location
Trail 100k events around the world
Build your racing calendar, close to home or further afield. Compare 102 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 Badger Trail Races by Ten Junk Miles Racing, Stour Valley Path Ultra Run and Ultra-Trail du Fjord-du-Saguenay.
Start with a continent, including North America, Europe and Oceania, or browse the other locations below.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
112 listed events · 102 with upcoming dates · 1 upcoming featured races
Upcoming 100k events
102 matching events, earliest date first. Entry availability is shown separately.
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.
Stour Valley Path Ultra Run
ENGSuffolk, Midlands
Stour Valley Path Ultra Run — Memorial Hall, Newmarket, Suffolk. Listed on runABC (Midlands).
Date listed · latest organiser confirmation not yet checked.
Ultra-Trail du Fjord-du-Saguenay
CANQuébec
Ultra-Trail du Fjord-du-Saguenay in Bas-Saguenay, Canada.
Date listed · latest organiser confirmation not yet checked.
Foxton Hound Ultra
ENGLeicestershire, Midlands
Foxton Hound Ultra — Winwick Hall, Winwick, Leicestershire. Listed on runABC (Midlands).
Date listed · latest organiser confirmation not yet checked.
Olympic Mountains Trail Races
USAQuilcene, Washington
Mountain trail races through the Olympic National Forest near Quilcene.
· 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.
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.
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.
Thames Path Challenge
ENGLondon, South of England
Thames Path Challenge — Bishops Park, London. Listed on runABC (South of England).
Date listed · latest organiser confirmation not yet checked.
Grindstone Trail Running Festival
USANatural Chimneys Park, VA
Grindstone Trail Running Festival — an official UTMB World Series Event.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Sangre de Cristo Trail Festival
USAWestcliffe, Colorado
A mountain trail festival near Westcliffe with ultras on Saturday and shorter races on Sunday.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Chiltern Hills 100K Ultra
ENGChesham, Buckinghamshire
Chiltern Hills 100K Ultra in Chesham.
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 (10) →