Big Tex Backyard Ultra

Race Overview

• Event Name: The Big Tex Backyard Ultra
• Date: 2026-11-07
• Location: Stephen F. Austin State Park, San Felipe, TX
• Race Format: Last runner standing

Venue Details

• Setting: Large grass area for personal aid setup
• Facilities: Group dining hall and reserved campsites
• Trail: Network of wide, well-maintained trails
• Surface: Primarily crushed gravel with minimal elevation change

Race Format and Rules

• Distance: 4.17 miles starting every hour until one remains
• Standards: Standard backyard format rules apply
• Ticket: Bronze Ticket race to Laz's Big Dog's Backyard
• New Division: Last Rucker Standing on a shorter course

Participant Benefits

• Swag: Big Tex hoodie and customized poster for participants
• Aid Stations: Fully stocked support available
• Awards: 100mi buckle for completing 24 yards
• Prizes: Cash rewards for winners

Backyard Format Rules

• Yard Definition: 100 miles divided into 24 hours (4.167 miles per yard)
• Course Rules: Must return to the corral to start each yard
• Aid Restrictions: No crew support once on course
• Disqualifications: Failing to line up in the starting corral results in disqualification

Additional Regulations

• Course Aid: Runners are responsible for their own aid
• Bathroom Breaks: Allowed, but must return to course pre-yard
• Pacing: No pacers allowed
• Communication: Check out with the race director if unable to continue

Overall Cash Prize Rules

• Victory Requirement: Must complete one more yard than all
• Seconder Payout: Awarded to fastest completed final lap

For more information, visit the race page: Big Tex Backyard Ultra.