Lace up for the Pi Miles E-Week's Family Fun Run, a vibrant 5K Run/Walk hitting the scenic trails of McAllister Park in San Antonio, TX, on Saturday, February 21, 2026. This annual event, kicking off bright and early at 8:00 AM CST, promises a morning of fitness and community spirit for all ages. Participants will experience the diverse beauty of McAllister Park, known for its extensive network of trails that include both paved asphalt paths and natural, unpaved cross-country routes, offering a refreshing mix of terrain with generally easy to intermediate sections and small, manageable hills. The park's abundant green scenery provides a picturesque backdrop for your run or walk.

Beyond the 5K, the Pi Miles E-Week's Family Fun Run embraces its family-friendly atmosphere with a dedicated 400-meter untimed Kids Fun Run for children 14 and under, ensuring a memorable experience for the youngest participants. Runners can anticipate typical race day conditions with comfortable highs around 71°F and lows near 49°F, and a minimal 4% chance of precipitation, creating ideal weather for a fantastic run. Hydration needs are met with water fountains conveniently located throughout McAllister Park.

What truly sets this event apart are its unique and engaging elements. Runners are encouraged to unleash their creativity in a lively costume contest, with prizes awarded for the best dressed. In a nod to its Engineers Week affiliation, special awards are presented to the top male and female engineer runners, including engineering students. Adding to the excitement, a raffle with fantastic giveaways will take place on race day, and furry four-legged friends are welcome to join the fun, making it a truly inclusive community event. Packet pick-up begins at 7:00 AM on race day, allowing ample time to prepare for an energizing start.