Antelope Causeway Half Marathon, 10K, 5K and Duathlon

Lace up your running shoes and mark your calendar for the Antelope Causeway Half Marathon, 10K, 5K, and Duathlon, set for Friday, April 3, 2026, in Syracuse, UT. This event offers a breathtaking start to the multisport season, inviting runners and duathletes to experience the unparalleled beauty of Antelope Island. Participants will traverse the scenic Causeway, an entirely paved route known for its remarkably flat profile, making it ideal for those seeking a fast course or a comfortable, picturesque run. As you run, prepare to be captivated by stunning vistas of the Great Salt Lake to the east and the rugged island mountains to the west, with chances to spot local wildlife like bison and antelope.

The race is celebrated for its well-organized atmosphere and enthusiastic volunteers, ensuring a welcoming experience for all, from seasoned athletes to first-time racers. Aid stations are strategically placed along the out-and-back course, with the 5K turning at mile 1.55, the 10K at mile 3.1, and the Half Marathon extending to mile 6.55 before returning, with an additional aid station for half marathoners at mile 4.65. Held at Antelope Island State Park, the event's start and finish line are centrally located at 4528 West 1700 South, Syracuse, UT 84075. Typical race day conditions in early April feature pleasant highs around 57F and lows around 36F, with a minimal 11% chance of precipitation, providing excellent weather for a spring race.

Whether you choose the Half Marathon, 10K, 5K, or the exciting run-bike-run Duathlon, the Antelope Causeway offers a unique opportunity to challenge yourself amidst one of Utah's most iconic landscapes. It's an unforgettable experience, combining physical challenge with awe-inspiring natural beauty, making it a perfect race to kick off your running season.