June 2026 Illinois Triathlon Races
2 upcoming Triathlons in Illinois in June.
Races happening soon in Illinois.
These endurance races in Illinois are happening in the next 7 days. Check them out and sign up soon if you’re looking for something fun to do.
Tremont Triathlon
22522 IL-9, Tremont, IL
Sprint
Avg 84° / 63°·657 ft city elevation Avg 84° / 63°657 ft city elevation Northshore Youth Triathlon Clinic
1000 Grove Street, Evanston, IL
Avg 81° / 60°·610 ft city elevation Avg 81° / 60°610 ft city elevation July 2026 Illinois Triathlon Races
6 upcoming Triathlons in Illinois in July.
Lytle Park Tri
3298 Cedar Ave, Mattoon, IL
5K · Sprint
Avg 86° / 67°·728 ft city elevation Avg 86° / 67°728 ft city elevation Springfield Kids Triathlon
Nelson Center - 1601 North Fifth Street, Springfield, IL
Sprint
Avg 86° / 66°·590 ft city elevation Avg 86° / 66°590 ft city elevation MTC Zilla Tri
1200 N Evergreen Lane, Columbia, IL
Sprint
Avg 89° / 69°·507 ft city elevation Avg 89° / 69°507 ft city elevation C-U Triathlon
2501 Fields S Dr, Champaign, IL
Avg 85° / 65°·761 ft city elevation Avg 85° / 65°761 ft city elevation MMTT Splash and Dash - Geneva
296 Randall Rd, Geneva, IL
Avg 84° / 64°·729 ft city elevation Avg 84° / 64°729 ft city elevation Lake Springfield Triathlon
100 Long Bay Lane, Springfield, IL
Sprint · Olympic
Avg 85° / 66°·590 ft city elevation Avg 85° / 66°590 ft city elevation August 2026 Illinois Triathlon Races
5 upcoming Triathlons in Illinois in August.
White Squirrel Kids Triathlon
Musgrove Aquatic Center, Olney, IL
Sprint
Avg 86° / 65°·477 ft city elevation Avg 86° / 65°477 ft city elevation Sage City Triathlon
601 W. Railroad St, Monticello, IL
Sprint
Avg 83° / 61°·657 ft city elevation Avg 83° / 61°657 ft city elevation White Squirrel Triathlon
406 E Florence St, Olney, IL
Avg 86° / 65°·477 ft city elevation Avg 86° / 65°477 ft city elevation O'Town Hustle Super Sprint Triathlon
O'Fallon IL Community Park, O Fallon, IL
Sprint
Avg 89° / 66°·545 ft city elevation Avg 89° / 66°545 ft city elevation North Shore Youth Triathlon
1600 Dodge Ave, Evanston, IL
Avg 82° / 63°·610 ft city elevation Avg 82° / 63°610 ft city elevation September 2026 Illinois Triathlon Races
2 upcoming Triathlons in Illinois in September.
Carlyle Lake Triathlon
801 Lake Road, Carlyle Township, IL
Sprint · Olympic
Tri The Illini
201 E Peabody Dr, Champaign, IL
Avg 75° / 51°·761 ft city elevation Avg 75° / 51°761 ft city elevation October 2026 Illinois Triathlon Races
1 upcoming Triathlon in Illinois in October.
Prairie State Cup
Clinton Lake SRA, Dewitt, IL
Sprint
Avg 72° / 46°·728 ft city elevation Avg 72° / 46°728 ft city elevation November 2026 Illinois Triathlon Races
1 upcoming Triathlon in Illinois in November.
Turkey Dri Tri Oak Brook Park District
1450 Forest Gate Road, Oak Brook, IL
Avg 45° / 28°·674 ft city elevation Avg 45° / 28°674 ft city elevation February 2027 Illinois Triathlon Races
1 upcoming Triathlon in Illinois in February.
Wildcat Indoor Triathlon
2311 Campus Dr, Evanston, IL
Avg 38° / 21°·610 ft city elevation Avg 38° / 21°610 ft city elevation June 2027 Illinois Triathlon Races
1 upcoming Triathlon in Illinois in June.
Tom's Try-athlon Oak Brook Park District
1450 Forest Gate Road, Oak Brook, IL
Avg 78° / 55°·674 ft city elevation Avg 78° / 55°674 ft city elevation