Registration for the Lake Terramuggus Olympic Triathlon in Marlborough, Connecticut runs between $85 and $150. Held at Blish Park on August 15, 2026, the race features a 1-mile swim and a 25.9-mile bike segment. The event starts at 8:00 AM. Athletes traveling to this triathlon will want accommodations near Blish Park to minimize travel time before the early morning start.
From the Race Organizer
LAKE TERRAMUGGUS OLYMPIC DISTANCE TRIATHLON August 15, 2026 8:00am Join us for the Lake Terramuggus Olympic Distance Triathlon! This is the perfect way to celebrate a summer of training and racing at the Lake Terramuggus Sprint Series - with limited adaptation to our sprint course this Olympic race will be familiar to those participating in the sprint series throughout the summer. Even if it is your first time to Lake T this race is fun and fast, moderate hills on the bike and run. A great race for your first Olympic Distance Tri! This race will be a 1600 yard swim, 25 mile bike and a 10K run. This event is designed with the same mission as the Lake T Sprint Series - to encourage participation from all levels of triathletes, provide a great training opportunity and foster a community of athletes. Please Note: There will be a bike cut-off time limit for athletes on course. You must be OFF the bike course within 2 hrs and 45 minutes of the start of the second wave. If you have not completed the course in the allotted time, you will still be allowed to run 1 loop of the run course, but you will not be eligible for any awards. T-shirts for pre-registered until August 1st. *There are NO refunds of race entry after August 1st. Race Schedule: 6:30 am - Race Day Check-In Opens 8:00 am - Wave 1 Starts(Men & Relay) 8:02 am - Wave 2 Starts(Females) Race Location: Lake Terramuggus, Blish Park Marlborough, CT Registration Details: *Early bird pricing thru 3/31/25- $20 off pricing below* Prior to Race Day: Individual: $115 Relay: $135 Aqua/Bike: $105 Race Day Registration: Individual: $130 Relay: $150 Aqua/Bike: $120 Race Awards: Top 3 Overall Male/Female Top Males/Females in Age Group Categories: 19 & U, 20 - 29, 30 -39, 40 - 49, 50 -59, 60+. Top Relay Top Male and Female in Aqua/Bike **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. *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.
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Lake Terramuggus Olympic Triathlon 2026 — Marlborough, CT
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Race Travel Insurance
Don't forget travel insurance for August 15.
You've trained for months and booked a trip to Marlborough, CT.
A pre-race injury, a delayed flight, or a family emergency can derail the whole thing.
Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it,
and may cover medical costs if something goes wrong on the course. Plans typically only run
5-7% of your total trip cost — and running events are covered under standard plans with no
additional coverage needed.
Trip cancellation up to 100% of prepaid costs
Running events covered under standard plans — no add-ons needed
Trip interruption up to 150% of non-refundable costs
When is Lake Terramuggus Olympic Triathlon 2026 — Marlborough, CT?
Lake Terramuggus Olympic Triathlon 2026 — Marlborough, CT takes place on August 15, 2026. The race is held in Marlborough, Connecticut.
Where is Lake Terramuggus Olympic Triathlon 2026 — Marlborough, CT held?
Lake Terramuggus Olympic Triathlon 2026 — Marlborough, CT is held at Blish Park in Marlborough, Connecticut.
Where can I find hotels near Lake Terramuggus Olympic Triathlon 2026 — Marlborough, CT?
RaceHotelFinder shows hotels sorted by distance from the race venue in Marlborough. Use the map or list view on this page to compare options and book race weekend accommodation.
