Chicago Triathlon takes place on Sat, Aug 21, 2027 in Chicago, United States.
- Date
- Sat, Aug 21, 2027
- Start
- Chicago 🇺🇸
- Level
- Open to all
Supertri Chicago is one of the world's largest and most accessible triathlons, featuring swimming, cycling, and running events along the shores of Lake Michigan.
Official event pageWhat this race demands
The Chicago Triathlon requires sustained multi-sport proficiency across swimming, cycling, and running along the Lake Michigan shore in August. Athletes must manage late-summer heat while transitioning smoothly between three distinct disciplines.
Multi-Sport Transition
The event requires proficient execution of swimming, cycling, and running consecutively, demanding efficient pacing and quick transitions between disciplines.
Environmental Tolerance
An August race date in Chicago involves warm and potentially humid ambient conditions, requiring strict adherence to hydration and thermoregulation protocols.
Your road to race day
Race day at Chicago Triathlon is 52 weeks away. This is how a coach divides that time. The first phase starts now.
01Base40 weeks · Aug 23, 2026 – May 29, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · May 30, 2027 – Jul 10, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Jul 11, 2027 – Jul 31, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Aug 1, 2027 – Aug 14, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Aug 15, 2027 – Aug 21, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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