Intermediate ultramarathons in Florida, United States

Eight out-and-back segments from a central hub, spanning Vero Beach and Sebastian, with tropical waters, jungles, rugged trails, and 22 bridge crossings

Sugar sand dunes of coastal southeast Florida, mini-game style challenges, 24-hour and half marathon options, peak summer heat, varied difficulty levels

Out-and-back ultramarathon along the Pinellas Trail from St. Petersburg to Tarpon Springs and Dunedin, covering over 46 miles of scenic Florida landscapes.

Flat, mostly grassy 2.5-mile loop with gentle hills at Escambia County Equestrian Center, minimal elevation change and easy crew access

Challenging 100-mile urban route through vibrant Miami neighborhoods, historic districts, farmlands, and scenic spots; navigation-based, no aid stations

One-mile campus loops every 30 minutes for 24 hours, passing college landmarks and returning to the baseball field for rest and recovery between laps.

Paved 2-mile loop through Ravine Gardens State Park, with winding curves, a few hills, shaded oaks, and old Florida scenery.

50K of multiple 12.5km loops in Jonathan Dickinson State Park, with accessible support throughout and a treasure-themed finish.

Scenic routes through longleaf pine flatwoods, cypress domes, and open vistas of Colt Creek State Park; distances up to 60 miles

Hard, compact trails through mangrove wetlands on South Hutchinson Island, with Indian River Lagoon views and diverse native wildlife.

Flat and fast 10k loop course through Wakulla Springs State Park, featuring scenic freshwater springs and historic film backdrops

Scenic Colt Creek State Park routes featuring 100-mile and 100-furlong distances across diverse Florida terrain, recognized as Florida's only Western States 100

Point-to-point road and trail ultra on five paved multi-use paths, from Edgewater to Lake Monroe, with smooth footing and lakefront views.

Scenic ultra through Tosohatchee and Seminole Ranch, mossy palm groves, soft ground, rooty and muddy trails, and seasonal water crossings.

Demanding 110-mile course over mixed terrain, manual timing for 83.5 miles followed by a chip-timed marathon finish; significant endurance challenge.

50k urban loop featuring a self-guided route, painted horse photo scavenger hunt, turn-by-turn navigation, and art-filled city exploration

Technical, winding 74-mile route along the Suwannee River on the Florida Trail, minimal elevation gain, scenic remote landscapes, symbolic railroad spike

Two out-and-back segments along the Florida Trail through Juniper and Hopkins Prairies, featuring wildlife, rare plants, and historical sites

Challenging 50-mile course on Florida’s Croom Hiking Trail with three loops through longleaf pine forests, scrub oak hills, creek bottoms, and cypress ponds

Technical single-track through wet prairies, cypress strands, hardwood hammocks, meadows, and pine flatwoods in JW Corbett Wilderness along the Ocean to Lake ​