Big Butts Trail Run

JUL
18
2026
A looped single track trail event in Jackson, MS offering 100K, 100K relay, 50K and a 25K Fun Run, with two aid stations and specific time limits; summer heat and humidity are notable factors.
Sat 18 Jul 2026
100 kilometers 50 kilometers 25 kilometers

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Big Butts trail race

Big Butts is a trail event held at the Mississippi College Choctaw Trails pavilion in Jackson, MS. The course uses 7.75 mile loops on cross country trails and Butts Park single track trails. The route is mostly single track and mostly shaded, with about 170 feet of elevation gain per loop. There is room at the start/finish area for personal aid stations, tents, coolers, and chairs.

Distances:

  • 100K individual
  • 100K relay teams of 2 to 4 members, one member on course at a time
  • 50K
  • 25K Fun Run

There are two aid stations: a start/finish station and one on course offering water, Tailwind sports drink, and food. Time limits include a 14 hour limit for the 50K, 100K, and 100K relay, and a 7 hour limit for the 25K. Specific cutoff rules apply for starting the final loop for the 50K and 100K, and the 25K has a strict 7 hour cutoff.

Registration details include entry fees, a member discount, a shirt cutoff date, a registration closing date, no refunds or transfers, and no race day registration. Packet pickup is available at Buffalo Peak Outfitters and at the start area. The organizer is the Mississippi Ultra and Trail Society. Visit the organization's website for the most recent information.

100 km
100k
100 km
100k Relay
50 km
50k
25 km
25k Fun Run
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