Giant Acorn Triathlon

SEP
26-27
2026
Two day triathlon festival at Lake Anna State Park offering Olympic and Sprint swim, bike and run events plus aquabike and relay options.
Sprint 750 m 15.5 mi Sprint 750 m 15.5 mi 5 km Olympic 1.5 km 24.6 mi Olympic 1.5 km 24.6 mi 10 km

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Giant Acorn Triathlon Festival : Lake Anna State Park

The Giant Acorn Triathlon Festival is scheduled for 09/26/2026 to 09/27/2026 at Lake Anna State Park, 6800 Lawyers Rd, Spotsylvania, VA 22551. The festival stages Olympic and Sprint distance triathlon and aquabike events from the state park venue.

Race starts use a sandy beach time trial format. Swim sections take place in freshwater with water temperatures reported in the low 70s. The bike courses run on rolling country roads. The run courses remain entirely within the state park. The venue includes banked stadium style seating that overlooks the swim course, run course and finish area.

Distances offered include:

  • Olympic Triathlon: 1.5K swim, 24.6 mile bike, 10K run
  • Olympic Aquabike: 1.5K swim, 24.6 mile bike
  • Olympic Relay: 1.5K swim, 24.6 mile bike, 10K run
  • Sprint Triathlon: 750 meter swim, 15.5 mile bike, 5K run
  • Sprint Aquabike: 750 meter swim, 15.5 mile bike
  • Sprint Relay: 750 meter swim, 15.5 mile bike, 5K run

Relay teams consist of 2 to 3 members. Park amenities listed for the event include miles of trails, a playground, a swimming beach and a visitors center that features a "gold mine". Nearby businesses outside the park include a winery and a cider works. Visit the organization's website for the most recent information.

10 km
Giant Acorn Olympic Triathlon Run
5 km
Giant Acorn Sprint Triathlon Run
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