Oswego
Triathlon Calendar near Oswego 2026-2027
Monthly updates for Oswego
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Oswego for 2026-2027! We've gathered 2 exciting races in the area. Check out our detailed list below to find your next local race.
November 2026
Indoor triathlon at Oak Brook Family Recreation Center featuring rowing, cycling, and a 1.25 mile run for ages 12 and up on November 22nd.
August 2027
Annual August triathlon in downtown Naperville at Centennial Beach offering sprint, duathlon, aquabike and kids distances; USAT sanctioned.
Monthly updates for Oswego
Get new running races (and updates) in your inbox every month.