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!
September 2026
October 2026