The inaugural San Antonio Marathon weekend is almost here after a year of anticipation.

The 5K will take place on Friday, with the marathon and half-marathon happening on Sunday. The races, as well as the expo, will start and end in downtown San Antonio.

During a news conference on Monday, organizers said 18,000 participants are expected this weekend.

>> KSAT invites runners to share their wellness journeys on KSAT Connect ahead of the San Antonio Marathon

While all three events are sold out, people can still get in on the fun by volunteering at the races, attending the expo or cheering on runners along the routes.

Here’s a guide to the San Antonio Marathon weekend:

Health and fitness expo

All participants must pick up their race packets at the San Antonio Marathon Health and Fitnes

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