19 aidTrail Races & Ultramarathons in Oklahoma
As of October 6, 2026, Crewable lists 13 upcoming trail races and ultramarathons in Oklahoma from October 2026 to May 2027. The next is OKLAHOMA CITY TRAIL RUNNING FESTIVAL on October 10 in Guthrie. Registration is open for 4.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
19 aid
1 aidin 46 days
The Next Loop: Endurance Series, Lake Carl Blackwell, Nov
Stillwater, OK
Closes Nov 20from $90
14 aid
1 aid
3 aidRace calendar
October 2026
4 racesNovember 2026
5 racesJanuary 2027
1 raceFebruary 2027
1 raceMarch 2027
1 raceMay 2027
1 raceQuick answers
What is the next trail race or ultramarathon in Oklahoma?
OKLAHOMA CITY TRAIL RUNNING FESTIVAL, on Saturday, October 10, 2026, in Guthrie. Distances: 50K, 35K, 15K.
How many trail races and ultramarathons in Oklahoma have open registration?
4 of the 13 list registration as open as of October 6, 2026, including OKLAHOMA CITY TRAIL RUNNING FESTIVAL, Orange Dirt Trail Series and Lake Murray Endurance Run.
How many of the trail races in Oklahoma are ultramarathons?
10 of the 13 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 3 are shorter races.
What is the busiest month for trail races and ultramarathons in Oklahoma?
November 2026, with 5 of the 13. October 2026 follows with 4.
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