Ultramarathons in Indiana, United States

Nighttime endurance laps on an illuminated dirt horse track at Harrison County Fairgrounds with continuous chip timing and flexible distance

Scenic 5K campus loop at Butler University with repeated laps, historic Hinkle Fieldhouse, Tent Village, showers, and on-site refreshments

Challenging dirt trails and singletrack loops through Franke Park, four or eight hour solo or team formats, event village amenities

Looped course combining pavement and single-track trails, strategic pacing, elimination format, poker chip awards, and cash prizes for fastest completion

Nighttime six-hour race on a 4.1-mile loop featuring paved, gravel, and single-track dirt trail, with all laps starting and ending at the HUB

Central Indiana's only official Backyard Ultra featuring a 4.167-mile loop at Koteewi Park, testing endurance and mental resilience on repeat laps

Rocky, root-filled singletrack on the Knobstone Trail with steep escarpments, significant elevation changes, and a summit at Round Top Knob

Five-hour multi-lap event on technical three-mile trails in scenic Franke Park, open to runners, mountain bikers, and wheelchair athletes.

Multiple-loop 50k course through Tryon Farm’s natural habitats in Michigan City, supported by on-course aid stations

Rugged singletrack and rolling terrain on looping courses through hardwood forests and around kettle lakes at Chain O’Lakes State Park

Looped one-mile paved course in Indiana with an 8-hour time limit for runners and walkers

Flat, fast 50K on central Indiana’s B&O Trail, linking Speedway, downtown Indianapolis and quieter rural stretches.

Timed 6, 12, or 24-hour trail race on dirt and grass paths at St. Patrick's County Park, with overnight facilities and scenic park surroundings

Rugged climbs and technical singletrack through fall foliage on the historic Tecumseh Hiking Trail near Yellowwood Lake

Technical 50k at O’Bannon Woods State Park: two longer loops and a shorter finish loop, with roughly 3,500 feet of elevation gain.

Steep 4.167-mile loop with 25–30% grades, creek crossings, tree obstacles, rocky summit sections, and scenic descents at Deam Lake SRA

Technical singletrack and rugged trails through Jackson-Washington State Forest, with scenic southern Indiana views and a community hub at Pyoca Camp

Virtual 100-mile challenge across any activity, honoring Global War on Terror service and supporting veteran programs