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| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| OLYMPIC PARA TRI | Olympic TriathlonSwim 1 mi · Bike 24.9 mi · Run 6.2 miOpen water swim | Jun 27, 20276:30 AM | $110$130 after Jun 8, 2027 | – |
| SPRINT PARA MY TEAM TRIUMPH | Sprint TriathlonSwim 750 m · Bike 12.4 mi · Run 3.1 miRelay or teamOpen water swim | Jun 27, 20276:30 AM | $95$105 after Jun 8, 2027 | – |
| SPRINT PARA TRI | Sprint TriathlonSwim 750 m · Bike 12.4 mi · Run 3.1 miOpen water swim | Jun 27, 20276:30 AM | $95$105 after Jun 8, 2027 | – |
| CURIUM SPRINT AQUABIKE | AquabikeSwim 750 m · Bike 12.4 miOpen water swim | Jun 27, 20276:45 AM | Free | – |
| CURIUM SPRINT AQUATHLON | AquathlonSwim 750 m · Run 3.1 miOpen water swim | Jun 27, 20276:45 AM | Free | – |
| CURIUM SPRINT INDIVIDUAL TRI | Sprint TriathlonSwim 750 m · Bike 12.4 mi · Run 3.1 miOpen water swim | Jun 27, 20276:45 AM | Free | – |
| CURIUM SPRINT RELAY TRI | Sprint TriathlonSwim 750 m · Bike 12.4 mi · Run 3.1 miRelay or teamOpen water swim | Jun 27, 20276:45 AM | Free | – |
| SPRINT AQUABIKE | AquabikeSwim 750 m · Bike 12.4 miOpen water swim | Jun 27, 20276:45 AM | $115$125 after Jan 28, 2027 | – |
| SPRINT AQUATHLON | AquathlonSwim 750 m · Run 3.1 miOpen water swim | Jun 27, 20276:45 AM | $115$125 after Jan 28, 2027 | – |
| SPRINT ATHENA CLYDESDALE TRI | Sprint TriathlonSwim 750 m · Bike 12.4 mi · Run 3.1 miOpen water swim | Jun 27, 20276:45 AM | $125$140 after Jan 28, 2027 | – |
| SPRINT COLLEGIATE TRI | Sprint TriathlonSwim 750 m · Bike 12.4 mi · Run 3.1 miOpen water swim | Jun 27, 20276:45 AM | $75 | – |
| SPRINT HIGH SCHOOL TRI | Sprint TriathlonSwim 750 m · Bike 12.4 mi · Run 3.1 miOpen water swim | Jun 27, 20276:45 AM | $75 | – |
| SPRINT INDIVIDUAL TRI | Sprint TriathlonSwim 750 m · Bike 12.4 mi · Run 3.1 miOpen water swim | Jun 27, 20276:45 AM | $125$140 after Jan 28, 2027 | – |
| SPRINT RELAY TRI | Sprint TriathlonSwim 750 m · Bike 12.4 mi · Run 3.1 miRelay or teamOpen water swim | Jun 27, 20276:45 AM | $195$205 after Jan 28, 2027 | – |
| CURIUM OLYMPIC AQUABIKE | AquabikeSwim 1 mi · Bike 24.9 miOpen water swim | Jun 27, 20277:00 AM | Free | – |
| CURIUM OLYMPIC AQUATHLON | AquathlonSwim 1 mi · Run 6.2 miOpen water swim | Jun 27, 20277:00 AM | Free | – |
| CURIUM OLYMPIC INDIVIDUAL TRI | Olympic TriathlonSwim 1 mi · Bike 24.9 mi · Run 6.2 miOpen water swim | Jun 27, 20277:00 AM | Free | – |
| CURIUM OLYMPIC RELAY TRI | Olympic TriathlonSwim 1 mi · Bike 24.9 mi · Run 6.2 miRelay or teamOpen water swim | Jun 27, 20277:00 AM | Free | – |
| OLYMPIC AQUABIKE | AquabikeSwim 1 mi · Bike 24.9 miOpen water swim | Jun 27, 20277:00 AM | $125$145 after Jan 28, 2027 | – |
| OLYMPIC AQUATHLON | AquathlonSwim 1,500 m · Run 6.2 miOpen water swim | Jun 27, 20277:00 AM | $125$145 after Jan 28, 2027 | – |
| OLYMPIC ATHENA CLYDESDALE TRI | Olympic TriathlonSwim 1 mi · Bike 24.9 mi · Run 6.2 miOpen water swim | Jun 27, 20277:00 AM | $135$155 after Jan 28, 2027 | – |
| OLYMPIC INDIVIDUAL TRI | Olympic TriathlonSwim 1 mi · Bike 24.9 mi · Run 6.2 miOpen water swim | Jun 27, 20277:00 AM | $135$155 after Jan 28, 2027 | – |
| OLYMPIC RELAY TRI | Olympic TriathlonSwim 1 mi · Bike 24.9 mi · Run 6.2 miRelay or teamOpen water swim | Jun 27, 20277:00 AM | $210$220 after Jan 28, 2027 | – |
| CURIUM OLYMPIC DUATHLON | DuathlonRun 3.1 mi · Bike 24.9 mi · Run 6.2 mi | Jun 27, 20277:15 AM | Free | – |
| CURIUM SPRINT DUATHLON | DuathlonRun 1.9 mi · Bike 12.4 mi · Run 3.1 mi | Jun 27, 20277:15 AM | Free | – |
| OLYMPIC DUATHLON | DuathlonRun 3.1 mi · Bike 24.9 mi · Run 6.2 mi | Jun 27, 20277:15 AM | $125$145 after Jan 28, 2027 | – |
| SPRINT DUATHLON | DuathlonRun 1.9 mi · Bike 12.4 mi · Run 3.1 mi | Jun 27, 20277:15 AM | $115$125 after Jan 28, 2027 | – |
| 6K RUN | – | Jun 27, 20277:30 AM | $40 | 13 |
| CURIUM 6K RUN | – | Jun 27, 20277:30 AM | Free | 185 |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Aquabike fee goes up to $125 on Jan 28, 2027.
This is an open water swim at Creve Coeur Lake. The organizer's wetsuit note: wetsuit legal if water is 78 F or below; optional 78-83.9 F without awards eligibility; not allowed above.
From the organizer's own race information (source). Venues and rules can change from year to year; the race's current athlete guide decides.
Around June 27, Creve Coeur Lake 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.
Online registration closes Jun 26, 2027, unless the race fills first.
Sunrise on race morning is at about 5:38 AM, and the OLYMPIC PARA TRI starts at 6:30 AM. The start sits about 590 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
13725 Marine Avenue, Saint Louis, MO 63146
The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.
The 26-mile bike course climbs 558 feet, about 22 feet a mile: flat.
| Course | Distance | Climbing | Terrain |
|---|---|---|---|
| Lou Fusz Subaru St. Louis Triathlon Olympic Bike RouteBike, out and back | 26 mi | 558 ft | flat |
| Lou Fusz Subaru St. Louis Triathlon Sprint Bike RouteBike, out and back | 12.8 mi | 279 ft | flat |
| Lou Fusz St. Louis Triathlon Sprint Run RouteRun, out and back | 3.1 mi | 28 ft | flat |
From the course maps the organizers publish on Ride with GPS and MapMyRun; climbing is the total gain the map reports. Courses can change between editions, so check the date on the map.
Around June 27 the day usually runs from 70°F at dawn to 89°F in the afternoon, with measurable rain on about 29% of days. Cold snaps dip to 64°F and hot years reach 94°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.
What the organizers of St. Louis Triathlon cover on their registration page, in brief.
Course
Click here to view the route turn by turn –. Sprint BIKE Route - https://ridewithgps.com/routes/41578088. Olympic BIKE Route - https://ridewithgps.com/routes/41578070. Sprint RUN Route - https://ridewithgps.com/routes/41578103. Olympic RUN…
Organize this race? Add details or a correction
In partnership with St. Louis County Parks, the beautiful City of Maryland Heights, and MoDOT - MSE Racing is proud to return the fastest, most electrifying triathlon in the Midwest area on Sunday, June 27th, 2027. Taking place at the scenic and local favorite, Creve Coeur Park, the St. Louis Triathlon is ideal for both veterans, and those new to the multi-sport experience. A race like no other, with YOUR experience as our primary focus. At the Lou Fusz Subaru St. Louis Triathlon every athlete is a champion!
For more information including course maps, schedule of events, volunteer signup, sponsorship information, race results, etc. Please visit - Lou Fusz Subaru St. Louis Triathlon | MSE Racing