The Best Races - San Antonio

The Muffin Marathon 5K/10K/13.1 in San Antonio is a fun and supportive running event held at Olmos Basin Park. Scheduled for June 21, 2025, it offers multiple race distances including 5K, 10K, a half-marathon (13.1 miles), and a 1-mile Family Fun Run. The event welcomes all ages and paces, encouraging both running and walking in a stress-free, small-group setting with capped waves.

Timing is optional, allowing participants to track their own times or request assistance. Runners receive a swag bag with a T-shirt, finisher’s medal, towel, and digital training pack. Virtual participation is also available, making it accessible for all fitness levels. Visit the organization's website for the most recent information.