MUTS Running - Big Butts

Jackson, United States • 18 Jul 2026

Clear Creek Ultra

The Clear Creek Ultra is a loop-based ultramarathon held on private trails in Crystal Springs, Mississippi (start/finish at 1074 Rhymes Road). The course is a single-track, one-mile loop that crosses creeks and includes hills; runners complete multiple laps and may pursue a 50k. There is a 10-hour running window and a race clock at the start/finish; participants must self-report final lap counts into UltraSignup. One aid station at the start/finish provides water, Tailwind sports drink, and food; runners may also set up their own aid. Registration costs $25 and covers food, drink, and toilets; there are no shirts, individual or place awards, refunds, transfers, deferrals, or member discounts.

Frosty 15

Frosty 15 is an out-and-back trail event on the Yockanookany section of the Natchez Trace National Scenic Trail in Madison, Mississippi. Distances:

  • 15.5 miles
  • 15k The course uses single-track trail from the West Florida Boundary trailhead (milepost 107.9) north to Highway 43 and back, with a turnaround for the 15k. The race is chip timed and has a 5 hour time limit. Two aid stations at mile 2.75 and mile 7.7 offer water, Tailwind, fruit, and sweet/salty foods. This is a cupless event; runners must carry a water bottle or hydration pack. Awards are given to the top three male and female finishers in each race; changing distance during the race is allowed but removes award eligibility.

Fondren Urban Ultra

The Fondren Urban Ultra is a 12-hour timed road race run on a USATF-certified 3.1 mile loop in the Fondren neighborhood of Jackson, Mississippi. The loop begins and ends at Fondren Church, where runners may place nutrition and gear. One aid station at the start/finish supplies water, Tailwind, and food. The event is chip timed; individual runners must check in each lap and a full 5k lap is required to count. The certified course is used for recording Mississippi state ultra records.

Big Butts

Big Butts is a trail event at Mississippi College Choctaw Trails with 7.75 mile loops on cross country and single-track trails. Distances: Visit the organization's website for the most recent information.

  • 100k
  • 50k
  • 25k
  • 2-4 person relay There is a start/finish area with space for personal aid setups. Aid is available at the start/finish and one on-course station with water, Tailwind, and food. Time limits apply: a 14 hour limit for the 100k, 50k, and relay, and a 7 hour limit for the 25k. Awards are given to top finishers in individual races and to the winning relay team.

Race information

100 km
100k
50 km
50k
25 km
25k
Visit the organization's website for the most recent information.
Trail runs nearby

Event overview Clear Creek Ultra takes place on October 18, 2025, in Crystal Springs, Mississippi. The event is organized by the Mississippi Ultra and Trail Society (MUTS), a nonprofit that supports trail and ultra running in the state. The..

Event overview Frosty 15 is a trail running event on Saturday, February 14, 2026 in Madison County, Mississippi. The race is organized by the Mississippi Ultra and Trail Society as a fundraiser for trail development and maintenance. The eve..

Event overview The Fondren Urban Ultra on April 18, 2026 is a 12 hour timed road race for individual runners held in the Fondren neighborhood of Jackson, MS. The course is a chip-timed, USATF certified 5k (3.1 mile) loop (certification MS17..