Hawaii · 2.4 mi swim
Waikiki Roughwater Swim
Waikiki Roughwater Swim is a 2.4 mi swim event held in Honolulu, Hawaii. It is usually held in August; the exact date hasn't been confirmed in the listing yet. About 800 runners take part across all distances.
- Usually held
- August
- Location
- Honolulu, HI
- Field size
- ~800 runners
Race details
- Usually held in
- August (date not confirmed)
- Location
- Honolulu, Hawaii
- Distances
- 2.4 mi swim
- Field size
- About 800 runners
- Course
- Open ocean (flat water)
- Registration
- waikikiroughwaterswim.com
- Official website
- waikikiroughwater.com
About the Waikiki Roughwater Swim
A legendary 2.4-mile open-water race across Waikiki from Sans Souci Beach to the Hilton Hawaiian Village, drawing 800+ swimmers and famous as the inspiration for the Ironman swim distance.
Rankings and notes
- Rankings and awards
- Historic open-water classic (55th edition in 2026); its 2.4-mile distance inspired the Ironman swim leg; held over Labor Day weekend
- Notes
- Prestigious open water swim
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Waikiki Roughwater Swim: common questions
- When is the Waikiki Roughwater Swim?
- The next date hasn't been announced in the listing yet. The race is usually held in August. Check the organiser's website for the official date.
- Where is the Waikiki Roughwater Swim held?
- In Honolulu, Hawaii.
- What distances does the Waikiki Roughwater Swim offer?
- 2.4 mi swim.
- How many people run the Waikiki Roughwater Swim?
- About 800 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Waikiki Roughwater Swim?
- Registration is handled by the organiser at waikikiroughwaterswim.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.