May ultramarathons in Florida, United States

Flat, paved urban run-bike trail with repeated double out-and-back laps, mostly shaded, easy to follow, and spectator-friendly.

57.41-mile point-to-point route on the Florida National Scenic Trail through Ocala National Forest, lakes, prairies, marshes, and pine-hardwood woods

100-mile point-to-point route from Key Largo to Key West, ocean-side course, individual and team divisions, scenic views along the Florida Keys

Paved island-to-island route along turquoise waters and palm-lined coastlines, finishing in Key West amid sub-tropical scenery and historic landmarks

50K through the Citrus Tract of Withlacoochee Forest near Inverness, with wooded terrain and a rugged, no-frills trail setting