Lake Springfield Triathlon 2027
- Date
- Saturday, July 24, 2027
- Start time
- 7:00 AM start (Chicago)
- Location
- Springfield, Illinois
- Entry fee
- From $105 · goes up to $120 on Feb 25, 2027
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| HALF AQUABIKE | AquabikeOpen water swim | Jul 24, 20277:00 AM | $135$150 after Feb 25, 2027 | – |
| HALF INDIVDUAL TRI | Half Iron TriathlonOpen water swim | Jul 24, 20277:00 AM | $195$210 after Feb 25, 2027 | – |
| HALF RELAY TRI | Half Iron TriathlonRelay or teamOpen water swim | Jul 24, 20277:00 AM | $275$285 after Feb 25, 2027 | – |
| OLYMPIC AQUABIKE | AquabikeOpen water swim | Jul 24, 20277:15 AM | $115$130 after Feb 25, 2027 | – |
| OLYMPIC ATHENA CLYDESDALE TRI | Olympic TriathlonOpen water swim | Jul 24, 20277:15 AM | $125$135 after Feb 25, 2027 | – |
| OLYMPIC INDIVIDUAL TRI | Olympic TriathlonOpen water swim | Jul 24, 20277:15 AM | $125$135 after Feb 25, 2027 | – |
| OLYMPIC RELAY TRI | Olympic TriathlonRelay or teamOpen water swim | Jul 24, 20277:15 AM | $195$225 after Feb 25, 2027 | – |
| SPRINT AQUABIKE | AquabikeOpen water swim | Jul 24, 20277:30 AM | $105$120 after Feb 25, 2027 | – |
| SPRINT ATHENA CLYDESDALE TRI | Sprint TriathlonOpen water swim | Jul 24, 20277:30 AM | $115$125 after Feb 25, 2027 | – |
| SPRINT HIGH SCHOOL TRI | Sprint TriathlonOpen water swim | Jul 24, 20277:30 AM | $115$125 after Feb 25, 2027 | – |
| SPRINT INDIVIDUAL TRI | Sprint TriathlonOpen water swim | Jul 24, 20277:30 AM | $115$125 after Feb 25, 2027 | – |
| SPRINT RELAY TRI | Sprint TriathlonRelay or teamOpen water swim | Jul 24, 20277:30 AM | $185$195 after Feb 25, 2027 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Aquabike fee goes up to $120 on Feb 25, 2027.
Water temperature and wetsuits at Lake Springfield Triathlon
Around July 24, Lake Springfield typically runs about 85°F at the surface (82 to 88°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.
Race day planning
Entry fee schedule
- HALF AQUABIKE: $135 until Feb 25, then $150 until Jun 11, then $170 until Jul 18, then $190 until Jul 24.
- HALF INDIVDUAL TRI: $195 until Feb 25, then $210 until Jun 11, then $220 until Jul 18, then $240 until Jul 24.
- HALF RELAY TRI: $275 until Feb 25, then $285 until Jun 11, then $305 until Jul 18, then $325 until Jul 24.
- OLYMPIC AQUABIKE: $115 until Feb 25, then $130 until Jun 11, then $150 until Jul 18, then $170 until Jul 24.
Online registration closes Jul 24, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 5:49 AM, and the HALF AQUABIKE starts at 7:00 AM. The start sits about 580 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
100 Long Bay Lane, Springfield, IL 62712
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Typical race-day weather
Around July 24 the day usually runs from 68°F at dawn to 85°F in the afternoon, with measurable rain on about 27% of days. Cold snaps dip to 61°F and hot years reach 91°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
- 100 Long Bay Lane, Springfield, IL 62712Map
- Course
- Road
- Start elevation
- About 580 feet
- Included with entry
- Unisex T-Shirt
- Donations
- Accepted when you register
- Distances
- Sprint Triathlon, Olympic Triathlon, Half Iron Triathlon, Aquabike
- Editions
- 2027 (Jul 24, 2027), 2026 (Jul 25, 2026), 2025 (Jul 26, 2025), 2024 (Jul 27, 2024), 2023 (Jul 29, 2023), 2022 (Jul 30, 2022)
Organize this race? Add details or a correction
Quick answers
- When is Lake Springfield Triathlon?
- Saturday, July 24, 2027, starting at 7:00 AM.
- How much does it cost?
- Entry starts at $105 before processing fees, and rises to $120 on Feb 25, 2027.
- When does registration close?
- Online registration closes Jul 24, 2027, unless the race fills first.
- Do athletes get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances are offered?
- Sprint Triathlon, Olympic Triathlon, Half Iron Triathlon, Aquabike.
- Where does it start?
- 100 Long Bay Lane, Springfield, IL 62712.
From the organizers
Welcome to Abe Lincoln's home town! The Lake Springfield area is a gorgeous setting and we love the dock swim start, the bike on quiet country roads, and the run is interesting and fun. And Abe himself will race with you, top hat and all, and hand you your medal!
For more information including, but not limited to race options, course maps, schedule of events, packet pickup/endurance expo, volunteer - signup, sponsorship info, parking, etc. Please visit - https://www.mseracing.com/lake-springfield-triathlon