The Sandman Triathlon and Duathlon

Starts Sunday August 27th, 2023

Aptos, CA

Official Website


The Sandman Triathlon is one of Santa Cruz County’s oldest triathlons, having its inaugural race way back in 1985 in the infancy days of the sport. The Sandman is a fundraiser for the local State Parks Junior Lifeguard program and proceeds help fund scholarships for under privileged kids so they can receive high quality water safety education. The Sandman Triathlon is a USAT sanctioned event. 

You'll start out with a .75-mile ocean swim in the Monterey Bay around the world famous cement ship, followed by a scenic 13-mile bike course through Aptos, Seascape, and Rio Del Mar. A 4-mile beach run caps what is commonly described as one of the best triathlon experiences that California has to offer. 


Sandman refund policy:

All race entries are non-transferable. All entrants agreed to our refund and transfer policy at the successful completion of online registration.

Refunds will be processed for medical reasons only and go towards a credit for next year’s event (there are no cash refunds). This credit only covers the race entry fee. USAT one day passes, processing fees and online registration fees will not be included in your credit.

Cancellation requests must be submitted in writing with a supporting doctor’s note no later than 72 hours prior to the event. A 50 percent credit towards next year’s race will be applied to your account.


Event details and schedule

Packet Pick Up date and time: Saturday, August 26, 2023 New Leaf Community Markets at 161 Village Way, Aptos, CA 95003 from 11:00am-4:30pm

On race day, transition opens at 7 a.m. Parking is available at Seacliff State Beach for $10, which supports the park.

First wave starts promptly at 8 a.m.!

Dualthon Bike/Run starts at approximately 8:30 a.m.

Awards will be presented following the race. Racers must be present to receive awards. 


Race Distances

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Places to Stay

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Start Location

201 State Park Drive, Aptos, CA

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