Sat March 7, 2020 San Antonio, TX 78247 US Directions
McAllister Park - Optimist Pavilion
13102 Jones Maltsberger Road
San Antonio, TX US 78247

The SARR Prickly Pear offers 50K, 15K, and 5K distances run on the natural trails of McAllister Park. 50K starts at 7am and will be one 5K Loop, followed by three 15K Loops. 15K starts at 8am and is one 9.3 mile Loop. 5K is 3.32 miles and starts at 8:30am.
Course Cut-Off time is 3pm. 50K participants MUST start their 3rd and final loop before 12:15pm.

Race starts and finishes at the Optimist Pavilion #3 next to the playground near the center of the park.  You can find parking near the pavilion or a short walk away.  There are restrooms at the pavilion, and there will be more port-a-potties closer to the start/finish line.

There will be three water stations on the 15K course, and a 50K aid station/bag drop located next to finish line water stop for access during your race. There is one water stop on the 5K course.  This is a cupless race--please carry your own hydration device to fill at aid stations. The trails at McAllister Park are easy to moderate, unless it’s wet—then there is a possibility of mud and water crossings. Please give a hoot and don’t pollute the trails, please dispose of your trash at water stops or carry with you. 

REGISTER EARLY: This race has a cap of 600 runners.
SARR members save 25% with online registration thru 2/2 (automatically applied at checkout)

Packet pick-up
Friday, March 6th, 3-7pm at REI Co-op, 11745 W IH 10 Ste 110, San Antonio, TX 78230 and race day morning starting at 6:15am by Pavilion #3.

The race is chip-timed. 
Awards to Top 3 Overall and Masters M/F in all three distances
Finishers medal for everyone who crosses the finish line!  50K Runners who cross the finish line receive a finishers hat and car sticker. Race results and photos will be posted at 
No dogs or strollers please; this is a trail run

Course Maps:
15K Interactive Course Map

15K Course Map(PDF)

5K Interactive Course Map

5K Course Map(PDF)

Race Contact Info
If you have any questions about this race, please contact the race director at

Like this page and invite your friends on Facebook.

Race Participant Survey

Please complete the following survey to help us better understand your race experience.

Did you participate in the race?

Would you recommend this race to a friend?

We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy. If you continue to use this site, you consent to use all cookies.