Three Lakes Triathlon and San Juan Island Marathon, Half Marathon and 10K at Lakedale: June 14th, 2025!

Voted “Race of the Month” by Runner’s World magazine, Lakedale and Island Athletic Events have hosted the Annual Three Lakes Triathlon for eleven years, and 2025 marks the 12th anniversary for the event! The following is the race day schedule, so start planning your workouts for next year’s race now!

At a Glance:

Where: Lakedale
4313 Roche Harbor Road
Friday Harbor, WA 98250

Friday, June 13, 2025 Schedule:

1pm-5pm: Triathlon/Marathon, Half Marathon and 10K Packet pick-up: All participants can pick up their packet with race bib, and additional information at Lakedale. Signs will be on property to direct you to the pick-up location. Timing chips for Triathlon will be handed out while entering transition paddock on Saturday.

Saturday, June 14, 2025 Schedule:

5:30am: Shuttle begins from High School parking lot.
6:00am: Registration/packet pick-up opens for all races.
6:15am: Final packet pick-up for Marathon.
6:40am: Shuttle departs from Lakedale for Marathon start line.
7:00am: Mandatory pre-race meeting for all Triathlon participants.
7:25am: Pre-race announcements for Marathon.
7:30am: Marathon start.
8:00am: Triathlon start.
9:00am: Kid’s Triathlon starts following exit of last adult swimmer.
9:30am: Post-race Food Truck opens.
9:30am: Final packet pick-up for Half Marathon.
9:50am: Pre-race announcements for Half Marathon.
10:00am: Half Marathon start.
10:30am: Music begins.
10:30am: Final packet pick-up for 10K.
10:50am: Pre-race announcements for 10K.
11:00am: 10K start.
Variable: Awards will take place as a majority of each event finishes.

Triathlon details:
Lakedale will offer several options for all fitness levels and abilities including: an Olympic Triathlon, an Olympic Relay Team Triathlon, a Sprint Triathlon and a Sprint Relay Team Triathlon.

Marathon, Half Marathon and 10K details:

The perfect place to do your first 10K or your 10th Marathon, this racing weekend will be filled with fun, food and athletes of all ages and abilities! This all-sport weekend is sure to please. Nestled in the heart of San Juan Island, Lakedale’s family friendly atmosphere is the perfect location to start and finish a run.


Call now: 800-617-2267
4313 Roche Harbor Rd,
Friday Harbor, WA