Waterman Eco-Challenge & Summer Safe Ocean State 5K/10K

Waterman Eco-Challenge & Summer Safe Ocean State 5K/10K SATURDAY, JULY 18, 2026 Founded in 2011, the Waterman Eco-Challenge & Summer Safe Ocean State 5K/10K is an annual multisport festival supporting charities focused on drowning prevention, cancer support, cardiac health, and coastal sustainability. The event features running, swimming, and paddleboard races. Watch 2024 Highlight Video Events:  5K Run or Walk10K Run400 Meter Kids Swim1 Mile or 5K Swim3 Mile or 6 Mile PaddleEco-Challenger (5K Run + 1 Mile Swim + 3 Mile Paddle) Ultimate Challenger (10K Run, 5K Mile Swim, 6 Mile Paddle) Ocean Swim: New England's only open-water swim meet dual sanctioned by USA Swimming and U.S. Masters Swimming. This meet offers three race distances, individual and cumulative time relay competitions, a team points competition, and non-wetsuit (awards eligible) and wetsuit (no awards) divisions. Open Water Meet Announcement - click to view Details & sanction requirementsShareable