Running through the Decades Half Marathon - San Antonio

Get ready to rewind the clock and lace up your neon trainers for the Running through the Decades Half Marathon - San Antonio, hitting the vibrant trails of San Antonio, TX, on May 31, 2026! This Bigfoot Running Company event transforms Eisenhower Park into an epic 1980s celebration, offering distances for every runner, including a Half Marathon (13.1M), Quarter Marathon (6.55M), 5K (3.11M), 1 Mile, and a Kids Dash (50M). Immerse yourself in a totally tubular atmosphere with 80s music pumping all morning, a lively pre-race costume contest, and retro vibes at every turn, all while traversing a course that winds through local parks and public trail systems.

The course itself features a generally friendly layout with mild to moderate elevation changes, primarily held on paved trails and park paths, with some mixed surfaces like crushed granite or dirt possible. Aid stations are strategically placed throughout with water and support to keep you hydrated and safe. Expect typical race day conditions around May 31st with highs near 93F and lows around 72F, and a slight 8% chance of precipitation, so prepare to rock the run, rain jacket or not! From the moment you arrive for the 8:00 AM main race start, you'll experience a high-energy rally atmosphere at the start/finish area, complete with a live DJ, post-race snacks and refreshments at the Rally Tent, and high-energy staff celebrating every finisher.

Beyond the challenge of the run, participants will be rewarded with awesome finisher medals and super soft event tees. For those chasing a podium finish, Bigfoot Trophies and recognition pins await top overall and age-group winners. Whether you're aiming for a personal best, enjoying a fun run with friends, or simply soaking in the nostalgic 80s experience, the Running through the Decades Half Marathon promises a memorable and engaging race day.