Antelope Causeway Half Marathon

APR

3

2026

This multisport event on April 3rd offers a scenic challenge on Antelope Island. Choose a duathlon, run a half marathon, 10K, or 5K on the causeway, or join a bike-only race.

Fri 3 Apr 2026

Syracuse, Utah

Registration

13 miles 10 miles 5 miles

Always double-check with the organizer's website! This page may contain affiliate links.

About the Event

The Antelope Causeway Half Marathon, 10K, 5K & Duathlon takes place on Friday, April 3, 2026 at Antelope Island State Park Marina in Syracuse, Utah. The event offers a multisport duathlon and run-only options.

Event Distances

Participants can choose from three main event groups:

Duathlon: Sprint (Short Distance), Olympic (Intermediate Distance), Sprint Relay, and Olympic Relay.
Running Races: Half Marathon, 10K, and 5K.
Bike-Only Races: 11-mile and 22-mile distances. A virtual race option is also available.

The duathlon format is described as a bike-run sequence on Antelope Island, similar to a triathlon but without the swim. The running races take place on the Antelope Island Causeway.

Additional information about the event can be found on the organizer's website. Visit the organization's website for the most recent information.

13 mi

Causeway Half Marathon - Run Only

13 mi

Half Marathon - Pacer Invitation Only

10 mi

Causeway 10k - Run Only

5 mi

Causeway 5k - Run Only

Bike Only 11 Miles

Bike Only 22 Miles

Olympic - Intermediate Distance