Explore by location
Trail 12k events around the world
Build your racing calendar, close to home or further afield. Compare 26 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 Grand Raid des Cathares, Athlos Hydro Trailrun 7 november and Big Night Out Winchester Trails.
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.
43 listed events · 26 with upcoming dates
Upcoming 12k events
26 matching events, earliest date first. Entry availability is shown separately.
Grand Raid des Cathares
FRACarcassonne, Occitanie
Grand Raid des Cathares in Carcassonne, with every verified timed running distance published separately.
Date listed · latest organiser confirmation not yet checked.
Athlos Hydro Trailrun 7 november
NEDHarderwijk, Netherlands
Athlos Hydro Trailrun 7 november in Harderwijk, with every timed public running distance supported by its organiser or authorised registration source.
Date listed · latest organiser confirmation not yet checked.
Big Night Out Winchester Trails
ENGWinchester, Hampshire
12K, 22K trail running in Winchester.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
WAI2K Trail Running Festival
NZLUpper Hutt, Wellington
Trail races connecting the Wairarapa and Upper Hutt, with long ultras and shorter Tunnel Gully courses.
Date listed · latest organiser confirmation not yet checked.
Trail Running Desafío La Gloria
CHIPeumo, O’Higgins
Trail Running Desafío La Gloria in Peumo, Chile.
Date listed · latest organiser confirmation not yet checked.
Trail Gaucho Gil
ARGMercedes, Corrientes
Trail Gaucho Gil in Mercedes, Argentina.
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.
Winchester Trail Run
ENGWinchester, South of England
Winchester Trail Run — Sparsholt College, Winchester. Listed on runABC (South of England).
· Status TBC
Date listed · latest organiser confirmation not yet checked.
The Maverick New Forest Gravel 2027
ENGBurley, Hampshire
The Maverick New Forest Gravel 2027 — 6K, 12K, 22K at Holmsley Campsite and New Forest National Park.
Date listed · latest organiser confirmation not yet checked.
AZT Oracle Rumble
USAOracle, Arizona
Trail races through Oracle State Park and along the Arizona National Scenic Trail.
Date listed · latest organiser confirmation not yet checked.
This Ain’t Your Mothers 50K & Trail Marathon
USAMiddleburg, Florida
Trail races on the Pioneer Trail through Jennings State Forest.
Date listed · latest organiser confirmation not yet checked.
Elephant Mountain Trail Runs
USACave Creek, Arizona
Desert trail races around Cave Creek, Spur Cross and Elephant Mountain.
Date listed · latest organiser confirmation not yet checked.
The North Face Transgrancanaria
ESPMaspalomas, Canary Islands
The North Face Transgrancanaria in Maspalomas, with every verified timed running distance published separately.
· Entry closed
Date listed · latest organiser confirmation not yet checked.
Copper Corridor Trail Runs
USASuperior, Arizona
Desert trail races from Superior through Arnett Canyon and the Arizona Trail.
Date listed · latest organiser confirmation not yet checked.
Bukit Lagong Challenge
MASSelayang, Selangor
Bukit Lagong Challenge: trail running in Selayang, Malaysia.
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.
Ultra X Spring Trail Series
ENGMidhurst, West Sussex
Running event in Midhurst, West Sussex.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Desert Wolf
USAJohnson City, Texas
Trail ultras and shorter races at Flat Creek Crossing Ranch.
Date listed · latest organiser confirmation not yet checked.
mozart 100 by UTMB
AUTFuschl am see
mozart 100 by UTMB — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
The Maverick North Downs Trail 2027
ENGCranleigh, Surrey
The Maverick North Downs Trail 2027 — 5K, 12K, 23K, 43K, 53K at Cranleigh Showground and the North Downs.
Date listed · latest organiser confirmation not yet checked.
Trail du Saint Jacques by UTMB
FRALe Puy en Velay
Trail du Saint Jacques by UTMB — an official UTMB World Series Event.
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.
Ultra Trail Whistler by UTMB
CANCreekside Plaza
Ultra Trail Whistler by UTMB — an official UTMB World Series Event.
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.
Gauja Trail by UTMB
LATCesis, Latvia
Gauja Trail by UTMB — an official UTMB World Series Event.
Date listed · latest organiser confirmation not yet checked.
Ultra X England Sunday
ENGPeak District, North of England
Ultra X England Sunday — Edale, Peak District. Listed on runABC (North of England).
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.
Aveve Natuurloop
BELLanden, Flemish Brabant
Aveve Natuurloop in Landen, with each confirmed adult/open running distance listed separately.
Next date not listed
Race guide and recorded editions →Bosloop Beringen
BELKoersel, Limburg
Bosloop Beringen in Koersel, with each confirmed adult/open running distance listed separately.
Next date not listed
Race guide and recorded editions →Calverley Chaos
ENG
Running event.
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 →Koning(in) van de Hotond
BELKluisbergen, East Flanders
Koning(in) van de Hotond in Kluisbergen, 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 →Choosing a race away from home
The unfiltered upcoming calendar includes events in Winchester (2), Abergavenny (1), Burley (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 12k 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 12k events are coming up in the world?
Grand Raid des Cathares is listed for 23 October 2026. Athlos Hydro Trailrun 7 november is listed for 7 November 2026. Big Night Out Winchester Trails is listed for 7 November 2026 (status to be confirmed). 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.