Blood Rock 100
Pelham, United States • 5 Dec 2025
Event overview
Blood Rock takes place at Oak Mountain State Park, Pelham, AL, on December 5-7, 2025. The event is organized by Southeastern Trail Runs and starts and finishes at the Meeting Center at the Cabins on Tranquility Lake. Race distances and key cutoffs are listed below.
- 101.79 mi - Blood Rock 100; cutoff 44 hours; elevation gain/loss 17,196 ft.
- 51.19 mi - Blood Rock 50; cutoff 23 hours; elevation gain/loss 8,659 ft.
- 31.18 mi - Blood Rock 50K; cutoff 18 hours; elevation gain/loss 5,345 ft.
- 16.62 mi - Blood Rock 25K; cutoff 12 hours; elevation gain/loss 2,885 ft.
Course, support and logistics
Course surfaces for the 100 include 92.84 miles of single track, 7.74 miles of gravel roads (closed to cars), and 1.18 miles of paved road. The 50 course has 46.42 miles of single track, 3.87 miles of gravel, and 0.59 miles of paved road. The 50K follows a full lap of the North Loop including the Belcher Tract; the 25K passes Summit Lake and Demopolis Lake and splits from the longer courses near King's Chair.
Aid stations are placed approximately every 5-7 miles and will provide food and drink, including hot food and breakfast options overnight. Registration closes Monday, December 1, 2025; there is no race-day or late registration. Shirt order deadlines and a 50% student discount (code Student-2025) are noted in the event information. Visit the organization's website for the most recent information.