MoMoFo100k
Martinsville, United States • 6-7 Jun 2025
The MoMoFo 100k and 20 mile Fun Run is a challenging trail running event held in Morgan Monroe State Forest, Martinsville, Indiana. The main race is a 100-kilometer trail run featuring about 7,500 feet of elevation gain, with 85% single track, 11% forest service road, and 4% paved road. It starts in the evening and offers a generous 20-hour cutoff.
For those seeking a shorter adventure, a 20-mile fun run on the same loop is available with a 6.5-hour cutoff. The race showcases Indiana’s natural beauty with old growth forests, rock formations, lakes, and creeks, and embraces a friendly, supportive trail running community. Virtual race options are also offered. Visit the organization's website for the most recent information.