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Trail 21k events in North America
Compare trail 21k events across North America and choose where to compete next. Compare 3 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 21K Tikal, Desert RATS Trail Running Festival by UTMB and Grindstone Trail Running Festival.
Narrow your search to United States and Guatemala.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
4 listed events · 3 with upcoming dates
Browse countries and territories
Upcoming 21k events
3 matching events, earliest date first. Entry availability is shown separately.
21K Tikal
GUATikal
21K Tikal: running in Tikal, Guatemala.
Date listed · latest organiser confirmation not yet checked.
Desert RATS Trail Running Festival by UTMB
USAFruita, Colorado
Desert RATS Trail Running Festival by UTMB — an official UTMB World Series Event.
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.
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.
HOKA Kodiak Ultra Marathons by UTMB
USABig Bear Lake, California
HOKA Kodiak Ultra Marathons by UTMB — an official UTMB World Series Major.
Next date not listed
Race guide and recorded editions →Choosing a race in North America
The unfiltered upcoming calendar includes events in Fruita, Colorado (1), Natural Chimneys Park, VA (1), Tikal (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 21k events in North America
What should I check before a running event in North America?
Choose your distance, then check the route, elevation, cut-off time and entry conditions in the organiser’s race guide.
Which trail 21k events are coming up in North America?
21K Tikal is listed for 20 February 2027. Desert RATS Trail Running Festival by UTMB is listed for 11 April 2027. Grindstone Trail Running Festival is listed for 25 September 2027 (status to be confirmed). Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for North America?
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.