The Best Races - San Antonio
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Sloth Run 5K/10K/13.1 SAN ANTONIO
The Sloth Run is a community running event held at Olmos Basin Park Trail in San Antonio, Texas on June 20, 2026. The event offers multiple distance options and a virtual alternative, and it is organized as a series of capped waves to limit group size.
Distance options include:
- 5K
- 10K
- 13.1 Half Marathon
- Family 1 Mile Fun Run
- Virtual Run option
Timing is optional; participants may track and submit times using apps or request coordinator assistance. The event uses no timing chips. Swag for registrants includes a running T-shirt shipped within the US, a finisher's towel or giveaway, a finisher's medal, and a digital training pack. Technical running shirts are available as an optional upgrade for an additional fee. Race bibs are provided on race day and registered participants receive online results and a certificate of completion.
Packets are shipped to the mailing address provided at registration, and shirts are scheduled to arrive the week of the race. Waves are filled on a first come, first served basis and each wave has a participant cap. Late arrivals may join on arrival and coordinators remain on site for three hours after the first wave. A virtual run option allows completion at any time or place with result submission for medal issuance. Visit the organization's website for the most recent information.
