Carlyle Lake Triathlon
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Event overview
The Carlyle Lake Triathlon is a USAT-sanctioned multisport event held Sunday, September 20, 2026, at Dam West Beach, 801 Lake Road, Carlyle Township, IL. A portion of race proceeds will benefit NAMI. The race features a rolling beach start for the swim, a flat bike course across the plains, and a run route on rolling country roads that finishes over the spillway with a view of Carlyle Lake.
Race distances and formats
- Sprint Triathlon - 750m swim / 20k bike / 5k run
- Sprint Aquabike - 750m swim / 20k bike
- Sprint Duathlon - 3k run / 20k bike / 5k run
- Sprint High School Triathlon - 750m swim / 20k bike / 5k run
- Sprint Relay - 750m swim / 20k bike / 5k run
- Olympic Triathlon - 1.5k swim / 40k bike / 10k run
- Olympic Aquabike - 1.5k swim / 40k bike
- Olympic Duathlon - 5k run / 40k bike / 10k run
- Olympic Relay - 1.5k swim / 40k bike / 10k run
Logistics and race policies
Packet pickup is scheduled the day before the race at Dam West Beach; race packets include a wristband, timing chip, bike sticker, helmet sticker, and race bib. Athletes must be USAT members or purchase a one-day USAT pass to be insured and eligible to race. Cutoff times are posted for Sprint and Olympic distances; race management may remove athletes from course if finishing within cutoffs is not possible. Bike support includes an on-site mechanic and a SAG vehicle on course.
On-site amenities and awards
The finish area includes food, drinks, music, and vendor booths. Awards are given to top 3 overall male and female finishers in each listed division, top 3 age-group male and female for Sprint and Olympic triathlons, and top 3 relay teams. A reservation block is noted at Mariner’s Village near the race site. Visit the organization's website for the most recent information.
