Ultramarathons in Kentucky
As of October 6, 2026, Crewable lists 7 upcoming ultramarathons in Kentucky from October 2026 to March 2027. The next is Mammoth Cave 50K/25K on October 24 in Park City. Registration is open for 3.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
1 raceNovember 2026
3 racesDecember 2026
1 raceFebruary 2027
1 raceMarch 2027
1 raceQuick answers
What is the next ultramarathon in Kentucky?
Mammoth Cave 50K/25K, on Saturday, October 24, 2026, in Park City. Distances: 50K, 25K.
How many ultramarathons in Kentucky have open registration?
3 of the 7 list registration as open as of October 6, 2026, including Mammoth Cave 50K/25K, RYR Endurance Race Weekend and Crooked Creek Ultra Trail Race.
What is the busiest month for ultramarathons in Kentucky?
November 2026, with 3 of the 7. October 2026 follows with 1.
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