Trail Running calendar near Duval County 2026-2027

A flat, looped ultramarathon on Jekyll Island with a 34 hour time limit and distances from 25K to 100 miles; the event runs on smooth trails under the stars and emphasizes community support and a no DNF policy.

Trail race on the Pioneer Trail in Middleburg FL offering 50K, marathon, 12K and 7K across varied single track with aid stations and available course maps.

A weekend ultrarunning festival in Middleburg FL with 3 to 48 hour timed events, single aid station, footcare and on site medical support.

25K and 50K trail races in Bryceville, FL through Cary State Forest with aid stations, an eight hour cut off, race shirts, awards and postrace lunch.

An obstacle course racing weekend at Diamond D Ranch in Jacksonville featuring Sprint and Super races, kids races, trail distances, team starts, and spectator access.

Trail races at Diamond D Ranch near Jacksonville mix mostly non-technical terrain with occasional muddy, ankle-biting sections and options for 10K and half marathon distances.

A charity mud run at Seamark Ranch featuring a 5K with 26 obstacles and a 1-mile fun run, with proceeds benefiting Seamark Ranch.