MoMoFo100k

Martinsville, United States • 5-6 Jun 2026

The MoMoFo 100k and 20 mile Fun Run is a challenging trail running event held in Morgan Monroe State Forest, Martinsville, Indiana. The 100k race features about 7,500 feet of elevation gain over a course that is 85% single track, 11% forest service road, and 4% paved road, showcasing old growth forests, rock formations, lakes, and creeks. Starting in the evening, runners have a generous 20-hour cutoff to complete the race.

For those seeking a shorter adventure, a 20-mile loop fun run follows the same course with a 6.5-hour cutoff. Virtual race options are also available, allowing participants to run remotely. The event emphasizes a friendly, supportive trail running community and true Hoosier hospitality. Visit the organization's website for the most recent information.

Race information

100 km
2286 m+
Momofo100 Km
20 mi
Momofo 20 Mile Fun Run
Virtual - Momofo 100k
Virtual- Momofo 20 Mile Fun Run
Visit the organization's website for the most recent information.
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