MammothMarch Missouri
- Walking
- 32 km
Eureka, Missouri, United States
Open Water Swim Challenge & Aquathlon
- Swimming
- 750 m
- 2 km
- 4 km
- 750 m
- 2 km
- 4 km
- 4 km
Cedar Hill State Park, South Boat Ramp, Cedar Hill, TX 75104 US
About the Event
Open Water Swim Challenge & Aquathlon
Date: Sunday, July 12, 2026
Location: Cedar Hill State Park, South Boat Ramp, Cedar Hill, TX 75104 US
Events:
- Sprint Aquathlon (swim + run): $35, 7:00AM - 10:00AM CDT
- Sprint Aquathlon Relay (swim + run: team of 2): $55, 7:00AM - 10:00AM CDT
- Olympic Aquathlon (swim + run): $45, 7:00AM - 10:00AM CDT
- Olympic Aquathlon Relay (swim + run: team of 2): $65, 7:00AM - 10:00AM CDT
- Open Water Swim 750M: $30, 7:00AM - 10:00AM CDT
- Open Water Swim 1500M: $30, 7:00AM - 10:00AM CDT
- Open Water Swim 2.4Mile: $40, 7:00AM - 10:00AM CDT
- USMS Wave 750m swim: $50, 7:00AM - 10:00AM CDT ($20 discount with USMS#)
- USMS Wave 1500m swim: $50, 7:00AM - 10:00AM CDT ($20 discount with USMS#)
- USMS Wave 2.4M swim: $60, 7:00AM - 10:00AM CDT ($20 discount with USMS#)
- Para or Adaptive Athlete Open Water Swim 2.4mi: $70, 7:30AM - 10:00AM CDT
Registration Opens: October 27, 2025 (most events), July 10, 2026 (Para/Adaptive event)
Event Website: http://www.owschallenge.com
How to get there
Courses
Tickets
This event is not sold through Apuama. Check prices and availability directly on the organizer's website.
| Sprint Aquathlon | $35.00 | View |
| Sprint Aquathlon Relay | $55.00 | View |
| Olympic Aquathlon | $45.00 | View |
| Olympic Aquathlon Relay | $65.00 | View |
| Open Water Swim 750M | $30.00 | View |
| Open Water Swim 1500M | $30.00 | View |
| Open Water Swim 2.4Mile | $40.00 | View |
| USMS Wave 750m swim | $50.00 | View |
| USMS Wave 1500m swim | $50.00 | View |
| USMS Wave 2.4M swim | $60.00 | View |
| Para or Adaptive Athlete Open Water Swim 2.4mi | $70.00 | View |
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