Illinois race calendar

October 2026 races in Illinois

Triathlons and bike races in Illinois in October 2026: 6 upcoming triathlons, duathlons, aquabikes, and rides with dates and entry fees.

upcoming races

2,026

year

By distance

Lemont, Illinois8:00 AM startPool swim

from $40

Dewitt, Illinois9:00 AM startOpen water swim

from $90

Chandlerville, Illinois9:00 AM start

from Free

Willow Springs, Illinois9:00 AM start

from $30

Rockford, Illinois9:00 AM startTrail

from Free

Mattoon, Illinois1:00 PM startPool swim

from $50