The Mercer Island High School Track & Field 2026 Schedule is officially set, and it’s shaping up to be an exciting season for the Islanders. From early-season invitationals to key league matchups and championship meets, this year’s calendar is packed with opportunities for athletes to compete, improve, and represent Mercer Island with pride. Below you’ll find the complete 2026 schedule, including dates, start times, and important team events to help families, athletes, and fans plan ahead and stay connected throughout the season.