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HammerHead Ocean Marathon

Saturday, August 22, 2026 · Jacksonville Beach, United States

Distances

42.2 km

About this race

The 20th annual HammerHead Ocean Marathon features open water swimming. Participants will finish just north of the iconic Jax Beach Lifeguard.

Start location

HammerHead Ocean Marathon

#2 Ocean, Jax Beach Lifeguard Station

Jacksonville Beach, FL

Driving directions

Register →via raceentry.com Search on Google

Typical weatherAugust

35°Clow 22°C

25mm precip avg

Sunny most days

Still hot — start at sunrise.

Please verify event details with the organizer before registering.

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