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Pack of half-marathon runners mid-stride on race day

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21K Half Marathon

21.0975 km on a fast, flat lakeside loop. The sweet spot — a serious test with a party atmosphere and the loudest finish-line crowd of the day.

Half the distance, all the heart

Fast, flat, unforgettable.

The 21K half marathon loops the Marigold Park lake twice on closed park roads — wide, flat, and shaded for the first 8 km. It is the most popular Marigold Mile distance, drawing first-time half-marathoners and speedsters chasing personal bests in equal measure.

Three pacer groups (1:45, 2:00 and 2:30) led by Dewi Lestari run even splits from the gun. Six aid stations, two live-music cheer points, and a lakeside finish festival with breakfast tacos make this the friendliest 21K in Texas.

What's included

  • Chip-timed 21.0975 km entry with live tracking for your supporters
  • Finisher jersey, marigold medal, goodie bag, and post-race meal
  • 6 aid stations, pace groups, and on-course medical teams
  • Free race photos and a personalized finisher certificate

Race-day schedule

  • 5:30 AM — Bag drop and warm-up open at Marigold Mile Park
  • 6:30 AM — 21K start, lakeside promenade (two waves)
  • 8:00 – 11:00 AM — Finish festival, breakfast tacos, and awards
  • 10:30 AM — Course closes (4-hour cut-off)

Other distances