2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Decision summary
44:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
raceindex.org has a GPS course file for Blood Rock Ultra (Oak Mountain State Park), so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Blood Rock Ultra (Oak Mountain State Park) is described as mountainous. The course listing puts the climb at 5,337 m.
The Blood Rock Ultra (Oak Mountain State Park) route starts at The Meeting Center at the Cabins on Tranquility Lake, Oak Mountain State Park, Pelham, AL and finishes at The Meeting Center at the Cabins on Tranquility Lake, Oak Mountain State Park, Pelham, AL. Underfoot, expect singletrack trail. It passes Oak Mountain State Park, Tranquility Lake, Belcher Tract, Summit Lake and Demopolis Lake. Run by Southeastern Trail Runs and billed as likely the hardest 100 or 50 mile trail race a runner has attempted, with steep technical climbs and descents and miles of rocks and roots.
Drop bags allowed at certain crew-accessible aid stations for the 50 and 100 mile; 25K and 50K runners may not send drop bags to aid stations but may leave bags at the Cabin. Pacers allowed in the 100 Mile after 50 miles and in the 50 Mile after dark; runners over 65 in the 50/100 may have a pacer anytime; 25K and 50K runners may not have a pacer.