Approximately 5,000 runners and walkers are expected to participate in this weekend event that includes a two-day health and fitness expo, a coastal 5K race, one-mile doggie dash and 80-meter high heel run to benefit the Grand Strand Humane Society, and the 13.1 Myrtle Beach Mini Marathon.

Saturday, 7:30 a.m; Sunday, 7 a.m. (843) 916-7264, www.runmyrtlebeach.com