MoMoFo 100k

Event overview

The MoMoFo event is scheduled for June 5-6, 2026 in Morgan Monroe State Forest, Martinsville, Indiana (6220 Forest Rd). It offers the following distances:

• 100 km
• 20 miles

The 100 km course is a trail route with about 8,500 feet of climbing. The course surface is listed as 85% single track, 11% forest service road, and 4% paved road. The race description mentions old growth forests, natural rock formations, lakes, creeks, hills, and summer heat and humidity. The 100 km event has a 20-hour cutoff. The 20 mile loop uses the same route as part of the 100 km course and has a 6.5-hour time limit. The 100 km is open to ages 18 and older. Both the 100 km and 20 mile events can earn UTMB index points.

Virtual options and registration details

Virtual entries are available for both distances. Virtual participants may complete the chosen distance between May 1 and June 7, 2026. Results must be recorded with smart technology, GPS preferred, and may be cumulative or completed at once. Virtual entries do not receive awards but do receive a sticker, T-shirt, and a wooden finisher medallion/coaster; all swag will be mailed by June 14. Listed prices are $150 for the 100 km, $65 for the 20 mile run, and $35 for each virtual option. A referral program offers partial reimbursement based on linked sign-ups (examples: 3 referrals = half the entry amount; 5 referrals = larger reimbursement up to set maximums). Reimbursements cannot exceed the amount paid after discounts. Visit the organization's website for the most recent information.