North Ridge Nightmare
Oct 24Allison Park, PA13K, 6.66K
9 mi from Three Rivers Marathon Swim, registration open
30K
Three Rivers Marathon Swim
- Days to go
- 310
At a glance
- Date
- Aug 28, 2027
- Location
- Pittsburgh, Pennsylvania
- Distances
- 30K
- Registration
- See ultrasignup.com
Listed from UltraSignup. Checked Oct 18, 2026.
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Build my planAbout this race
The Three Rivers Marathon Swim is an annual 30K open water swimming event (roughly 18.6 miles) along the Ohio, Monongahela, and Allegheny Rivers in Pittsburgh, PA, benefiting Team Forever and the Forever Fund to support families with infant cardiothoracic surgery costs at UPMC Children's Hospital.
Key dates
Race day
Aug 28, 2027
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Race planning
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