Castlewood Adventure Race

Race Overview

Named by Terrain Magazine’s Readers as the Best Adventure Race in the area, the Castlewood 8-Hour Adventure Race© has grown to become the third-largest adventure race in the country. And it’s all happening right here in St. Louis.

What is Adventure Racing?

A multi-sport, off-road, team event with no marked course. Teams must use a map and compass to navigate their way through a series of checkpoints on mountain bikes, in canoes, and or on foot to reach the Finish line.

Event Details and Schedule

• Race Date: 2026-12-05
• Race Location: St Louis Area, St. Louis, MO
• Duration: Expect to cover 5-10 miles paddling, 15-20 miles biking, and 5-10 miles on foot.
• Course Overview: A course overview will be available closer to race time.

Registration Information

Please see the Frequently Asked Questions section for more information.

Please Note: the cap for previous races was 300 participants and registrations were SOLD OUT before the end of October. Register early to ensure your spot in the race!

Team Configurations

• SOLO
• 2-Person: Co-Ed, Men’s, and Women’s Divisions
• 4-Person: Co-Ed, Men’s, and Women’s Divisions
• Family: 2+ related people, one over 18 and one under 18, one canoe per team

Additional Information

Plan on four to eight hours of continuous movement through the woods, rivers, and roads of the St. Louis area. Even though the event is named after Castlewood State Park, we may not necessarily even go through the park on race day!

Race Website

For more details, please visit the official race page.