Explore by location
Trail 20k events around the world
Build your racing calendar, close to home or further afield. Compare 34 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 Desafío La Sepultura, Fundo Huemul Trail Race and Autumn Squatch.
Start with a continent, including Europe, North America and South America, or browse the other locations below.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
45 listed events · 34 with upcoming dates · 1 upcoming featured races
Upcoming 20k events
34 matching events, earliest date first. Entry availability is shown separately.
Desafío La Sepultura
CHISan Vicente de Tagua Tagua, O’Higgins
Desafío La Sepultura in San Vicente de Tagua Tagua, Chile.
Date listed · latest organiser confirmation not yet checked.
Fundo Huemul Trail Race
CHITeno, Maule
Fundo Huemul Trail Race: running in Teno, Chile.
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.
Trail Cross Curepto
CHICurepto, Maule
Trail Cross Curepto in Curepto, Chile.
Date listed · latest organiser confirmation not yet checked.
Rosaryville Veterans Day Trail Race
USAUpper Marlboro, Maryland
Rolling woodland trail races through Rosaryville State Park, beginning and ending at the Pavilion picnic area.
Date listed · latest organiser confirmation not yet checked.
The Forge Trail Run Festival
USALemont, Illinois
Looped trail races through the woods, gravel paths and historic quarries around The Forge and the I&M Canal.
Date listed · latest organiser confirmation not yet checked.
Dark Valley Night Trails
ENGRingwood, Dorset
Half, 10K, 20K, 30K trail running in Ringwood.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Desafío Pittamiglio
URULas Flores, Maldonado
Desafío Pittamiglio in Las Flores, Uruguay.
Date listed · latest organiser confirmation not yet checked.
HOKA Chiang Mai Thailand by UTMB®
THAPAO Park
HOKA Chiang Mai Thailand by UTMB® — an official UTMB World Series Major.
Date listed · latest organiser confirmation not yet checked.
Four Sacred Beasts
HKGHong Kong
Four Sacred Beasts in Hong Kong, Hong Kong.
Date listed · latest organiser confirmation not yet checked.
Maasdijk Winterrun
NEDRavenstein, Netherlands
Maasdijk Winterrun in Ravenstein, with every timed public running distance supported by its organiser or authorised registration source.
Date listed · latest organiser confirmation not yet checked.
Willis River
USACumberland, Virginia
Low-key trail races through Bear Creek Lake State Park and the Willis River trails.
Date listed · latest organiser confirmation not yet checked.
Big Bend Ultra
USATerlingua, Texas
Desert trail races through Big Bend Ranch State Park.
Date listed · latest organiser confirmation not yet checked.
Cowboy Yeti
USABastrop, Texas
Trail races through Bastrop State Park.
Date listed · latest organiser confirmation not yet checked.
Rocks and Roots Winter Series
USALewis Center, Ohio
Winter trail races on the Rocks and Roots Trail at Alum Creek State Park.
Date listed · latest organiser confirmation not yet checked.
Mississippi Trail 50
USALaurel, Mississippi
Trail ultras and a shorter race on gently rolling forest paths in De Soto National Forest.
Date listed · latest organiser confirmation not yet checked.
Old Baldy Ultra
USAConcan, Texas
Rocky singletrack races climbing Old Baldy in Garner State Park.
Date listed · latest organiser confirmation not yet checked.
Puerto Vallarta by UTMB®
MEXPuerto Vallarta
Puerto Vallarta by UTMB® — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Take The Fell Trail Runs
ENGBeacon Fell Country Park, Preston
Running event in Beacon Fell Country Park, Preston.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Chupacabra 50
USAQuanah, Texas
Trail ultras and a shorter race in Copper Breaks State Park.
Date listed · latest organiser confirmation not yet checked.
Buttermere Trail Race 2027
ENGButtermere, Cumbria
A 20K trail race around Buttermere and Crummock Water in the Lake District.
Date listed · latest organiser confirmation not yet checked.
Chianti Ultra Trail by UTMB
ITARadda in Chianti
Chianti Ultra Trail by UTMB — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Beekse Trailrun Montferland
NEDBeek Montferland, Netherlands
Beekse Trailrun Montferland in Beek Montferland, with every timed public running distance supported by its organiser or authorised registration source.
Date listed · latest organiser confirmation not yet checked.
Silver Moon Race
USAReedley, California
Evening and overnight races on a flat loop beside the Kings River.
Date listed · latest organiser confirmation not yet checked.
YOMP Mountain Challenge
ENGKirkby Stephen, Cumbria
YOMP Mountain Challenge in Kirkby Stephen.
Date listed · latest organiser confirmation not yet checked.
La Sportiva Lavaredo Ultra Trail by UTMB
ITACortina d'Ampezzo
La Sportiva Lavaredo Ultra Trail by UTMB — an official UTMB World Series Event.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Torrencial Chile by UTMB
CHIValdivia, Chile
Torrencial Chile by UTMB — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Serpent Trail Race
ENGPetersfield, Hampshire
Serpent Trail Race in Petersfield.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Night Claw
USAGlen Rose, Texas
Night trail races and timed challenges around Dinosaur Valley State Park.
Date listed · latest organiser confirmation not yet checked.
Pikes Peak Ultra
USAColorado Springs, Colorado
Mountain ultras and shorter trail races above Colorado Springs.
Date listed · latest organiser confirmation not yet checked.
Featured races worldwide
AthRecs editorial selections and events recorded in major or final series. These are also included by date in the calendar above.
HOKA Chiang Mai Thailand by UTMB®
THAPAO Park
HOKA Chiang Mai Thailand by UTMB® — an official UTMB World Series Major.
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.
Baloise Antwerp Park Miles
BELAntwerp
Baloise Antwerp Park Miles in Antwerp, with each confirmed adult/open running distance listed separately.
Next date not listed
Race guide and recorded editions →Chatelherault Country Park 5K, 10K, 15K & 20K — October
SCOHamilton, South Lanarkshire
Chatelherault October trail races — four distances through South Lanarkshire parkland and woodland.
Next date not listed
Race guide and recorded editions →Descente de la Lesse
BELDinant, Namur
Descente de la Lesse in Dinant, with each confirmed adult/open running distance listed separately.
Next date not listed
Race guide and recorded editions →Koningin van de Muur
BELGeraardsbergen, East Flanders
Koningin van de Muur in Geraardsbergen, with each confirmed adult/open running distance listed separately.
Next date not listed
Race guide and recorded editions →KravALVAtrail
BELBaardegem, East Flanders
KravALVAtrail in Baardegem, with each confirmed adult/open running distance listed separately.
Next date not listed
Race guide and recorded editions →La Classique Tremblant
CANMont-Tremblant, Québec
La Classique Tremblant in Mont-Tremblant, Canada.
Next date not listed
Race guide and recorded editions →Choosing a race away from home
The unfiltered upcoming calendar includes events in Lewis Center (2), Ayder Village (1), Bastrop (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 20k events worldwide
What should I check before a running event in World?
Choose your distance, then check the route, elevation, cut-off time and entry conditions in the organiser’s race guide.
Which trail 20k events are coming up in the world?
Desafío La Sepultura is listed for 24 October 2026. Fundo Huemul Trail Race is listed for 31 October 2026. Autumn Squatch is listed for 1 November 2026. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for the world?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.