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SARR Prickly Pear

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McAllister Park - Optimist Pavilion #3, San Antonio TX

Saturday, March 7th, 2026

🏃‍♂️ Race Overview

IN-PERSON RACE 3/07/26 - Join the San Antonio RoadRunners for the 22nd running of the Prickly Pear — the race offers 50K, 15K, and 5K distances run on the natural trails of McAllister Park.

⏰ Start Times and Course Cutoff

  • 50K Start: 6am, three 10.34 mile loops.
  • 15K Start: 8am, one 9.36 mile loop.
  • 5K Start: 8:30am, 3.38 miles.
  • Course Cut-Off: 4pm (10 hours): 50K participants must start their 3rd and final loop by 12:45pm.

🐾 Pet Policy

WE LOVE OUR 4-LEGGED FRIENDS, HOWEVER, FOR OUR TRAIL RACES WE DO NOT ALLOW DOGS OR STROLLERS ON THE COURSE FOR SAFETY REASONS.

Race Details
  • Chip Timing: Wear a bib on the front of your shirt.
  • Awards: Top 3 Overall and Masters (40+) Female/Male/Non-Binary runners in all distances.
  • Finishers Medal: Everyone receives a medal: 50K finishers also get a hat and car sticker.
  • Results: Available on race day: photos will be posted at https://runsignup.com/Race/Photos/TX/SanAntonio/PricklyPearTrailRun within 4-5 days after the race.

🚗 Race Staging Area / Parking / Restrooms

Race starts and finishes at McAllister Park’s Optimist Pavilion #3 next to the playground in the center of the park. You can find parking near the pavilion or a short walk away. There are restrooms near the pavilion, and port-a-potties with hand sanitizing stations close to the start/finish line.

💧 Cupless Pouring / Aid Stations

There are three water stations on the 50K/15K looped course, and one on the 5K course, that will be exclusively stocked with Crazy Water and Gatorade. Look for HydraPak signage that reminds you to pull out your collapsible cup! THIS IS A CUPLESS RACE--You must carry your own hydration device or a collapsible cup to fill at stations. We will have volunteers available to assist you. We will not have any paper cups. Please give a hoot and don’t pollute the trails, please dispose of your trash at Aid Stations or carry with you.

🗺️ Course Details

The course at McAllister Park is mostly flat and fast single-track trails. We’ll run on the Blue Loop, Mud Creek Loop, and Mosquito Lake trails through rocks, tree roots, dry creek beds, and lots of prickly pear cactus. All races start and finish at the same location.

  • 50K Route: Plot-A-Route 50K Route
  • 15K Route: Plot-A-Route 15K Route
  • 5K Route: Plot-A-Route 5K Route

📦 Packet Pick-up

Friday, March 6th 4-7pm, REI Co-op, 11745 I-10, Suite 110, San Antonio, TX 78230, or race day morning starting at 5:15am near Optimist Pavilion #3.

🌐 Virtual Race

Can’t join us in-person, then consider signing up for our virtual option and complete your 50K/15K/5K anywhere you choose. Virtual Race participants are not eligible for awards, or 50K finishers hats. Virtual participants will receive race tshirt, finishers medal and 50K will receive an oval finishers sticker. PACKETS ARE NOT AUTOMATICALLY SHIPPED. YOU MUST ADD-ON SHIPPING AT REGISTRATION. YOU MAY ALSO PICK UP YOUR PACKET AT PACKET PICK UP AT NO CHARGE. WE DO NOT HOLD PACKETS AFTER THE RACE.

🔥 Register Early

REGISTER EARLY: This race has a cap of 600 runners, and will sell out!
SARR members save 25% with online registration through 2/1/26 (automatically applied at checkout).

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