Note that the time listed next to the date is when the start booth opens and when you need to be finished. Be sure to read the event description to see the latest time you may start.

 

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Pi Day

March 14 @ 9:00 am - 11:00 am
$4.00

6K or 11K. Come join us at one of our most popular routes, Riverwalk South. Check in between 9:00am – 11:00am and finish at your own pace.

Start with free parking in the beautiful and historic King William neighborhood, then explore the highlights of downtown San Antonio including Hemisfair Park, La Villita, the main Riverwalk, Mission San Antonio de Valero (better known as the Alamo), San Fernando Cathedral, and for 10k walkers, the museum reach. Feel like a local as you discover pathways that avoid most street crossings.

Pi Day flyer 2026

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