April ultramarathons in Indiana, United States

Mixed-surface 1.7-mile loop in scenic Luhr County Park with flexible breaks and a six-hour personal distance format

Rugged point-to-point 50 miler on the Knobstone Trail, with steep climbs, rolling ridges, forest backcountry, sweeping vistas and 10,000 ft gain.

Backyard ultra on mile-square farmland: long straightaways, a short connector, and wide-open Midwestern views at sunrise and sunset.

Looped course on scenic natural trails with out-and-back option for extra distance, supported by an aid station at the start and finish