Illinois
Distance (km)
to
Illinois Triathlon Calendar 2026-2027
Monthly updates for Illinois
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Illinois for 2026-2027! Our updated list features 23 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!
February 2026
June 2026
September 2026