Lake Terramuggus Sprint Triathlon #3
Lake Terramuggus Sprint Triathlon #3 logo

Lake Terramuggus Sprint Triathlon #3

Marlborough, Connecticut, United States View on map
Jul 16, 2026 (America/New_York local time)
Event

About this race

The Lake T Sprint Series has been the first race for many Iron Distance Triathletes. In its 25th year, this race continues to be the stepping stone for so many triathletes to get to the next level. Racks are first come, first serve, waves are male/female, and there is a relay division as well. 
 
The 600 yard lake swim is followed by a 2 loop bike course with rolling hills. The 5K run is a beautiful course around the lake which has a few small inclines and downhill the last mile. Aid is available on the run at the town hall section. 

**PLUS we offer a Super Sprint race for those looking to test the waters of triathlon!  This will be a 200 yard swim, 5.5 mile bike (one loop) & 1.7 mile run.  

Online Prices:
Sprint Individual Registration $45.00
Super Sprint Registration $35.00
Relay Registration $65.00
Aqua/Bike $45

Day of Prices:
Sprint Individual $60
Super Sprint $45
Relay $75.00
Aqua/Bike $60

Online Registraion Closes 4pm race day

Plus don't miss: LAKE T OLYMPIC DISTANCE TRIATHLON Saturday August 15th!!

*In case the weather gods don’t cooperate all efforts will be made to race in some capacity. If we are unable to race there will be no refunds or transfers. Thank you. 
     

                                
**PLEASE NOTE**
1. No earbuds are allowed at any point of the race
2. Bikers must have their helmet on and strapped before leaving transition.
3. Bikers cannot mount their bike until they have reached Lake Rd.
4. Bikers must be at least 2 bike lengths behind the racer in front of you.
5. Bikers MUST ride their bike AS FAR TO THE RIGHT SIDE LANE as possible. They can only pass on the left(within the lane) and IMMEDIATELY return right.
6. No animals are allowed at Blish Park per the Town of Marlborough.

Pick your distance

No race distances have been announced yet.

Typical race-day weather

Based on 2 years of historical conditions on this event's race dates in Marlborough.

Temp (°C)
Minimum temperature (race-day average) 20.5° / Maximum temperature (race-day average) 28.8°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-day average) 20.5° / Maximum feels like — heat index / wind chill (race-day average) 33.1°
Wind (km/h)
Average wind speed (race-day average)
20.7
Precip (mm)
Average precipitation (race-day average)
4.2mm
Humidity
Average relative humidity (race-day average)
74.5%

Course

Route map and elevation profile

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Other races near Marlborough

Different organizers, within 40 miles, in the next three months

Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 8 Marlborough events

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