

St. Charles Indoor Triathlon 2027
- Date
- Sunday, January 31, 2027
- Start time
- 8:00 AM start (Chicago)
- Location
- Saint Charles, Illinois
- Entry fee
- From $32 · goes up to $42 on Jan 16, 2027
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Adult Triathlon (Swim 10 Min, Bike 20 Min, Run 15 Min) | TriathlonPool swim | Jan 31, 20278:00 AM | $50$60 after Jan 16, 2027 | 63 |
| Kids Triathlon (Swim 5 Min, Bike 15 Min, Run 10 Min) | Kids TriathlonPool swim | Jan 31, 20278:00 AM | $32$42 after Jan 16, 2027 | 38 |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- Adult Triathlon (Swim 10 Min, Bike 20 Min, Run 15 Min): $50 until Jan 16, then $60 until Jan 31.
- Kids Triathlon (Swim 5 Min, Bike 15 Min, Run 10 Min): $32 until Jan 16, then $42 until Jan 31.
Online registration closes Jan 31, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 7:07 AM, and the Adult Triathlon (Swim 10 Min, Bike 20 Min, Run 15 Min) starts at 8:00 AM. The start sits about 800 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
1050 Dunham Rd, Saint Charles, IL 60174
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Where St. Charles Indoor Triathlon ranks
- No. 45 of 50 on Cheapest triathlons in the US
National lists computed from results, entry fees, course maps and water temperatures; they refresh through the day.
Typical race-day weather
Around January 31 the day usually runs from 16°F at dawn to 31°F in the afternoon, with measurable rain on about 15% of days. Cold snaps dip to -3°F and hot years reach 45°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- 1050 Dunham Rd, Saint Charles, IL 60174Map
- Course
- Road
- Start elevation
- About 800 feet
- Distances
- Kids Triathlon, Triathlon
- Editions
- 2027 (Jan 31, 2027), 2026 (Mar 8, 2026), 2025 (Feb 2, 2025), 2024 (Jan 21, 2024), 2023 (Jan 22, 2023), 2020 (Feb 8, 2020)
Organize this race? Add details or a correction
Quick answers
- When is St. Charles Indoor Triathlon?
- Sunday, January 31, 2027, starting at 8:00 AM.
- How much does it cost?
- Entry starts at $32 before processing fees, and rises to $42 on Jan 16, 2027.
- When does registration close?
- Online registration closes Jan 31, 2027, unless the race fills first.
- What distances are offered?
- Kids Triathlon, Triathlon.
- Where does it start?
- 1050 Dunham Rd, Saint Charles, IL 60174.
From the organizers
St. Charles Indoor Triathlon
The St. Charles Indoor Triathlon is a family orientated event where athletes of all abilities can participate and complete a triathlon. This unique event has a longer distance adult race as well as a youth event that is catered to youth aged 7 – 14 years old. All proceeds from this event benefit the St. Charles Aquatics and the Multisport Madness Youth Triathlon Team.
Location: Norris Recreation Center, 1050 Dunham Rd. St. Charles, IL 60174 phone: 630-377-1405
Adult Race
• Swim 10 minutes
• 15 minute transition to the bike
• Bike 20 minutes on indoor bike
• 5 minute transition to the run
• Run 15 minutes on a track