Open Water Swimming Calendar

Pool swim triathlon supporting Canby Gators Swim Club. 500-yard pool swim, 12-mile bike, 3.1-mile run. Great for first-timers and early season training.

The early season 'Ice Cracker' known for chilly temperatures and clear lake views.

Scenic triathlon at beautiful Westwood Lake in Nanaimo, Vancouver Island. The lake offers a protected swim venue with excellent water quality. Sprint and Olympic distances available along with Aquabike and Relay options. Great early season event on the Island.

A two-day event featuring a USMS Sanctioned LCM pool meet on Saturday and a unique 12-loop buoy swim in the pool on Sunday.

Grass roots, affordable early season Olympic distance. 1.5K lake swim at base of Blue Mountains, 40K rolling bike, 10K run.

Join us for the OTILLO SwimRun - Orcas Island in Eastsound, WA. This SwimRun distance event is perfect for athletes of all levels. Test your endurance in this unique swim-run adventure format.

Held as part of a larger festival; features clear, calm reservoir water.

Premier triathlon festival at Foster Reservoir. Two-day event with races for all ages and abilities. Huge BBQ, live music, camping available.

The Oliver Long Distance (Half Iron) Triathlon, features a 2km, two loop swim in the clean and protected waters of Tucelnuit Lake, in the heart of Oliver, B.C. The 89 Km scenic bike course takes you through the beautiful lower Okanagan Valley.

Scenic saltwater loop with views of the Cascades and Saratoga Passage.

Low-pressure 1-mile swim where you turn around once you 'touch the wall'.

BC Championship event at pristine Wasa Lake in the Kootenays. Multiple distance options from Try-A-Tri to Olympic, plus Aquabike and youth races. Beautiful mountain setting with crystal-clear water. Age Group World Championship Qualifier.

45th Anniversary - one of nation's oldest triathlon events. Scenic course with rolling hills. Now offering off-road triathlon and trail runs.

Iconic 3.1-mile swim around the shores of Seward Park.

Swim in Deep Lake at Nolte State Park, rolling bike & run through Ravensdale, Selleck, and Enumclaw farmlands. All participants receive medal, tee, hot meal.

Washington's original SwimRun. Come enjoy the beautiful forrests and lake at Lake Padden Park.

The Cowichan Challenge is a Olympic and Sprint distance triathlon with Youth of steel distances for youth aged 6 and older.

A holiday tradition in the calm, scenic waters of Sasamat Lake.

Navigate the warmest lake in Canada surrounded by vineyards.

Location revealed only to registered participants to preserve serenity.

USAT-sanctioned, host of WA State Age Group, High School and Club State Championships. 1500m swim on Lake Whatcom, 40km bike, 10km run at Whatcom Falls Park.

Ultra-marathon swim passing under all 12 iconic Portland bridges.

2026 host for the USMS Marathon National Championship.

Flagship event of the series and Canada's largest open water race.

Professionally timed event on one of Idaho's most beautiful lakes.

One of the great things about the Peach Classic Triathlon is that anyone, regardless of age or athletic ability, can participate. Whether you’re a professional aiming for a prize, a novice trying something new, or a dedicated triathlon enthusiast looking to beat a personal record, crossing the finish line will leave you feeling incredibly accomplished and filled with joy.

Seattle's premier point-to-point race along the shoreline.

Features various swim distances and a unique SwimRun challenge.

Unique night swim experience guided by glow sticks and stars.

Participants swim the length of the 1.76-mile Long Bridge.

Journey from Peachland to Rattlesnake Island and back.

Flat and fast course in Pacific Northwest. Finisher medals, post-race food, awards.

Friday-Saturday, July 31-August 1, 2026 Summer weekend festival along Columbia River with views of Mt. Hood, Mt. St. Helens, Vancouver Lake. Parking included in registration.

High-altitude swimming in crystal clear alpine water.

Features the 11.8km 'Ultra' spanning the entire lake length.

Lake swim on Vancouver Island with a festive race environment.

Challenging 5-mile loop known for generous time limits.

High visibility in the 'Lake of a Thousand Colors'.

The Coeur d’Alene Crossing is a 5K or 2K Open Water Swim to benefit Local Swim Programs, 3rd Grade Swim at the KROC, the Lake City High School Swim Team and the North Idaho Water Polo. Come be a part of this annual charitable event!

Held at the famous Kitsilano Beach; suitable for all levels.

Scenic bay swim where spectators can cheer from a waterfront path.

Bonney Lake is back! Bonney Lake Tri Joins the Raise the Bar Summer Series! This is the race where you set your final PR, celebrate a summer of hard work, and close out the year with the strongest multi-sport community in the Northwest.

Fundraiser for local cancer support in deep blue waters.

Labor Day tradition crossing from Washington to Oregon.

The Vancouver Aquathlon is a fast, fun swim→run on Vancouver’s iconic waterfront. Athletes complete a 750 m open-water swim in English Bay alongside the Second Beach Open Water Swim before transitioning at Second Beach and heading out on a 2.5 km run along the Seawall. Capped at 100 participants, it’s simple, scenic, and ideal for both first-timers and speed-focused racers.

Charity swim benefiting Fred Hutchinson Cancer Center.

Rugged swim out to and around Copper Island.

Perfect season-closer in warm, calm waters.

Late summer swim fully supported with kayaks and safety crews.

Official send-off to the summer open water season.

B.C. Championship event. Unique dual-water swim starting in Sasamat Lake, running to Belcarra Park on saltwater. Same event weekend as Mudskipper B.C. SwimRun Championships.

Dynamic Race Events is proud to present the Cultus Lake Triathlon offering a Sprint and Olympic distance triathlon, Olympic distance Aquabike, Olympic distance Duathlon and Sprint distance Aquathlon. The venue is just 90 minutes from Vancouver and takes place in beautiful Cultus Lake Park just outside Chilliwack.