
Indy Sprint Tri (July 18)
- Date
- Last held Jul 18, 2026, next date to be announced
- Location
- Indianapolis, Indiana
Registration for the next edition has not opened.
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The swim at Indy Sprint Tri (July 18)
This is an open water swim at Eagle Creek Reservoir. The organizer's wetsuit note: wetsuit legal up to 78 F; 78.1-83.9 F allowed but not eligible for awards; not allowed at 84 F or more.
From the organizer's own race information. Venues and rules can change from year to year; the race's current athlete guide decides.
Water temperature and wetsuits at Indy Sprint Tri (July 18)
Around July 18, Eagle Creek Reservoir typically runs about 84°F at the surface (80 to 87°F across 2011 to 2020). The water usually runs 84°F or warmer at this date, when wetsuits are not allowed.
A model estimate from the USGS lake temperature model (daily surface temperatures for US lakes), not a measurement. Wetsuit cutoffs are USA Triathlon age-group rules. The race's own water temperature reading on race morning decides.
Start location and course
Eagle Creek Park, Indianapolis, IN 46254
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 Indy Sprint Tri (July 18) ranks
- No. 24 of 50 on Warmest triathlon swims
National lists computed from results, entry fees, course maps and water temperatures; they refresh through the day.
Race details
- Where
- Eagle Creek Park, Indianapolis, IN 46254Map
- Course
- Road
- Distances
- Sprint Triathlon, Duathlon, Aquabike
- Editions
- 2026 (Jul 18, 2026), 2025 (Aug 2, 2025)
- Status
- The next edition has not been announced yet. Past events: Aquabike, Duathlon, Duathlon Relay Team, Triathlon, Triathlon Relay Team.
Organize this race? Add details or a correction
Quick answers
- When is Indy Sprint Tri (July 18)?
- The next date has not been announced.
- How much does it cost?
- See the registration page for current pricing.
- What distances are offered?
- Sprint Triathlon, Duathlon, Aquabike.
- Where does it start?
- Eagle Creek Park, Indianapolis, IN 46254.
From the organizers
Round #1 of the Indy Sprint Triathlon is happening Saturday, July 18 in Indianapolis, IN! This is the first of 2 races held at beautiful Eagle Creek Park, and is perfect for all ages* and abilities - from beginners to veterans, and everything in between!
All ages* and abilities can choose between the Triathlon, Duathlon, Aquabike, or Triathlon/Duathlon Relay (2-3 people).
Highlights include soft-style shirts, plus overall, age-group and division awards! We also offer a $5 Refund Referral Program for recruiting other registrants!
*Must be at least 14 on December 31, 2026 to compete.
Event Options
Triathlon - 500m Swim, 10 mi Bike, 3 mi Run
Duathlon - 2 mi Run, 10 mi Bike, 3 mi Run