Capital Well Sunapee Triathlon |

Our team at Millennium has made the difficult decision not to produce the Sunapee Triathlon in 2023.

We are considering bringing it back in 2024… Stay tuned.

Finish off your triathlon season with a must do event!

2022 Athlete Guide Now Available!

The official 2022 Capital Well Sunapee Triathlon Athlete Guide is now available. Download the athlete guide to stay up-to-date with all the need-to-know information for this year’s event!

Event Schedule


  • 5:00pm-6:30pm – Early Packet Pick-Up & Registration: Located at Transition (bike racking available)


  • 6:30am-8:00am – Packet Pick-Up & Registration at Transition
  • 6:30am – Transition Area opens
  • 8:30am – Race Start

Millennium and Sunapee State Park play host to the Capital Well Sunapee Triathlon!

Friday’s early bib pick up is at Transition located in the Sunapee State Park Beach parking lot.

The pristine Lake Sunapee is the swim venue, Transition is adjacent to the beach within the State Park lot with the finish alongside Lake Sunapee.  Parking is located in the Mount Sunapee Ski Parking area.

The swim starts and finishes at the Sunapee State Park beach.

Length: 1500 meters – single triangle configuration loop marked with yellow and orange buoys.

Wetsuits:  This event will follow USAT regulations in regards to wetsuit use, however they are not mandatory

Bike Course: The Olympic ride begins with a right out of Sunapee State Park, skirting the initial rotary onto Rt 103. The route turns right on Rt 11, bringing athletes through the lakeside town of Sunapee. A right onto 103A bring riders all the way back to center Newbury for a brief ride on Rt 103 back to Sunapee State Park. The route features exclusively right hand turns!

Length: 36k

Run Course: The Sunapee Tri features a course configuration on lakeside roads. Exiting transition, athletes head up the Beach Access with out & backs on Bay Point Rd and Rt 103-B. Athletes will enjoy a course with a mix of dirt roads, paved roads, beautiful foliage, and a gorgeous lakefront finish!

Length: 10K (6.2 mi)
 – a spectator friendly, double 5k loop course alongside Lake Sunapee

Run Aid Stations: Aid stations will be available with Gatorade, water, Untapped energy, and bananas.

Event Details, Rules, & FAQ’s

Packet Pick Up: Available Friday evening and on race morning. Please refer to the athlete guide and schedule for times and locations. To pick up your packet, per USAT guidelines you must present a picture ID, and if a USAT Annual Member, your membership card. Packets may not be picked up for any other competitor, and may be claimed by the athlete only.

Relay Team Packets: All relay team materials will be included in ONE team packet. The packet may be picked up by any team member, provided they have Photo ID.

USAT Membership: This is a USAT (USA Triathlon) sanctioned event, thus requiring every participant to hold either an annual membership or a one day USAT license. Athletes who cannot provide proof of active annual membership will be required to purchase a one day license.

Rules and Guidelines: As a USAT sanctioned event, the Sunapee Triathlon will adhere to USAT Rules and Guidelines. Please see below for USAT resources and literature:
– USAT Competitive Rules
– Commonly Violated USAT Rules

Transition: Opens at 6:30am on race morning, and will close 15 minutes prior to the start of the race. Bike frame number must be applied to enter transition. Transition will open for athletes to collect gear and bicycles after the last athlete has finished the bike course.

Pets – Can I bring my furry friend?: While we are animal lovers, pets are not allowed in Sunapee State Park or at the Sunapee Triathlon for safety reasons.

Competition Category: As a USAT sanctioned event, results will be submitted to USA Triathlon and all individual finishers will be ranked within their competition category nationally. All individual athletes will be required to chose one of the following categories to compete within. Swim waves will be compiled so that like category athletes compete directly with one another. Athletes who change swim wave will have their competition category updated accordingly.
Elite – Elite athletes start in wave 1 and will only be eligible for overall awards.
Age Group – All athletes wishing to race against their same-age and gender participants. This category will make up the bulk of participants.
Clydesdale – Men 220+ lbs
Athena – Women 165+ lbs
Novice – For athletes more comfortable starting in the final swim wave. Novice athletes are not eligible for age group awards.

Wetsuits: This event will adhere to USAT wetsuit regulations. Wetsuits are not mandatory.

Current Lake Conditions: Current lake conditions, as provided by the Lake Sunapee Protective Association, can be found here:

Bike Support:   There will not be any bicycle support at this event, please be prepared accordingly. Unfortunately, our awesome partners from Omer & Bob’s Sportshop are unavailable this year and our replacement mechanic has come down with COVID. Event staff will do anything we can do to assist in a bike mechanical emergency, however we are not experts nor do we have advanced equipment like our professional friends.

Run Aid Stations: Aid stations will be provided with Gatorade, water, UnTapped energy gel, and bananas on the run course.

Finish Area: The finish line is lakeside on Lake Sunapee Beach adjacent to transition.

Results powered by Fidium
Live online results will be published exclusively on thanks to our friends at Fidium Fiber.

Race photos sponsored by AutoFair
Millennium Running is happy to provide FREE digital race photos from this event thanks to our friends at AutoFair. Photos will be posted online 3-4 business days following the event.

Finisher Video 
Finishers of the event will receive a link to their finisher video. The link will be emailed online 1-2 business days following the event.

What is the area like? Where can I stay?: Check out the Lake Sunapee Chamber of Commerce for all the info you’ll need to know about the region!

Do I get any schwag?:  Of course! All registrants will receive the following:
– Official hooded t-shirt
– Finisher’s Medal
– Race photos and finisher video!

Refund Policy:  Please read our Refund & Transfer Policy for full information.



Millennium Running is proud to have New England Healing Sports Association as the official charity of the Sunapee Triathlon.

Each registrant has an opportunity to support NEHSA by participating in the optional fundraising platform that is auto-created when you register online.

New England Healing Sports Association (NEHSA) is a charitable organization [501(c) 3] located at Mount Sunapee Resort in Newbury, New Hampshire. Founded in 1972 as a weekend alpine ski program for people with physical disabilities, it serves those who want to enjoy active and independent lives through participation in sports. In the past 40 years it has grown to include a wide variety of physical, cognitive, and developmental disabilities. NEHSA also takes pride in welcoming our disabled Veterans home, whether it is for therapeutic reasons or for rest and relaxation. In addition to adaptive skiing, both stand-up skiing and sit skiing, NEHSA also provides services for adaptive snowboarding, cross-country skiing, kayaking, rowing, tubing and water skiing. The services for these sports include access to specialized adaptive equipment, access to highly skilled coaches, and individual instruction. Through these programs, NEHSA enables its clients to gain a sense of independence, a positive attitude, access to social opportunities, and personal growth through the challenges that sport and recreation present.

To learn more about this charity click here.


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Millennium Running is fueled by the passion of promoting healthy, enjoyable lifestyles. With over a dozen Signature road races and triathlons, a running specialty store, the Millennium Running Club, plus all-purpose timing and event services. 

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Millennium Running
138 Bedford Center Road
Bedford, NH 03110

Events: 603.488.1186
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