Blood Rock 100
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Blood Rock 100 weekend, Oak Mountain State Park
Blood Rock is a multi-distance trail race weekend held at Oak Mountain State Park in Pelham, AL, organized by Southeastern Trail Runs. The event uses the Cabins on Tranquility Lake as the meeting center and course hub and runs across the Belcher Tract and other park sections.
Distances offered:
- 101.79 miles Blood Rock 100
- 51.19 miles Blood Rock 50
- 31.18 miles Blood Rock 50K
- 16.62 miles Blood Rock 25K
Course and terrain details include long single-track sections, gravel roads closed to cars, and short paved connections. The 100 is two full laps of the current course; the 50 is one full lap. The 50K follows the North Loop and includes the new Belcher Tract. The 25K passes Summit Lake and Demopolis Lake and splits from the longer courses near King's Chair. Summit Lake is described as a spring-fed quarry lake reached after the Crack-in-the-Wall climb.
Elevation figures and cutoffs from the event materials:
- 100 mile elevation gain 17,196 ft, cutoff 44 hours.
- 50 mile elevation gain 8,659 ft, cutoff 23 hours.
- 50K elevation gain 5,345 ft, cutoff 18 hours.
- 25K elevation gain 2,885 ft, cutoff 12 hours.
Aid stations are spaced roughly every 5-7 miles and include hot soup, hot food overnight, cold drinks, and breakfast service. Packet pickup and drop bag options are available on event days. Shirt order deadlines are October 20 and November 16; there is no late registration. Visit the organization's website for the most recent information.
