50K ultramarathons in Indiana, United States

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

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

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

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.

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

Low-key Northwest Indiana trails with varied non-pavement terrain, more climbing, and signature Roller Coaster hills.

Rugged Owen-Putnam State Forest singletrack and horse trails on a scenic 14-mile lollipop course with repeated counterclockwise loops.

Clearly marked multi-lap trail course at St. Patrick’s County Park near South Bend, with approachable park trails and a relaxed community feel.

Scenic singletrack through Brown County with hilly, muddy sections and a challenging, non-extreme trail run setting.

Point-to-point 50k on the Monon Trail, net downhill from Sheridan cornfields to downtown Indianapolis, finishing via the Cultural Trail in White River State

Nine-stage 50K trail race with golf-inspired scoring, featuring 3-4 mile segments, time-based stroke system, and options for solo or relay teams