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. It offers multiple race distances including a 5K, 10K, half-marathon (13.1 miles), and a family-friendly 1-mile fun run, with options for both in-person and virtual participation. The event welcomes all ages and paces, encouraging running or walking in a stress-free, community-focused atmosphere.

Participants receive a swag bag with a running shirt, finisher’s medal, towel or giveaway, and a digital training pack. The race emphasizes a warm, supportive environment with optional timing and invites runners to join local running clubs to continue their fitness journey. Visit the organization's website for the most recent information.