For swimmers who prefer no bike or run

Open Water Swimming Calendar

Wait a minute! An open water swimming calendar on a triathlon events page? Well, I'm a swimmer first. We have running calendars, cycling calendars, but no love for open water swimming. So here's your PNW open water swim calendar. Sign up for an OWS event! Just swimming, no bike, no run. Pure aquatic suffering.

39 Open Water Swims

31Upcoming

•

8Past

Season: May – September 2026

2026 Open Water Swims

Month

Type

Region

Date	Status	Event	Link	Location	Notes	Distances	Type
May 10, 2026	9 weeks and 6 days	Sasamat (Ice Cracker) Canaqua Sports	Web	White Pine Beach Port Moody, BC	The early season 'Ice Cracker' known for chilly temperatures and clear lake views.	1km3km5km	Timed
Jun 1, 2026	13 weeks	Whidbey Adventure Swim South Whidbey Island Masters	Web	Seawall Park Langley, WA	Scenic saltwater loop with views of the Cascades and Saratoga Passage.	1.2 miles2.4 miles	Timed
Jun 6, 2026	13 weeks and 5 days	Best in the West Triathlon Festival (OWS Only) Best in the West Events	Web	Foster Lake Sweet Home, OR	Held as part of a larger festival; features clear, calm reservoir water.	500m1500m1.2 Mile	Timed
Jun 13, 2026	14 weeks and 5 days	Touch the Wall! Say Yes to Life Swims	Web	Seward Park Seattle, WA	Low-pressure 1-mile swim where you turn around once you 'touch the wall'.	1 mile	Fun
Jun 27, 2026	16 weeks and 5 days	Tubby Trout 5k Say Yes to Life Swims	Web	Seward Park Seattle, WA	Iconic 3.1-mile swim around the shores of Seward Park.	5km	Timed
Jul 1, 2026	17 weeks and 2 days	VOWSA Sasamat Lake Challenge Vancouver Open Water Swimming Association	Web	White Pine Beach Port Moody, BC	A holiday tradition in the calm, scenic waters of Sasamat Lake.	1km2km4km	Timed
Jul 5, 2026	17 weeks and 6 days	Across the Lake Swim - Osoyoos Across the Lake Swim Society	Web	Gyro Park Osoyoos, BC	Navigate the warmest lake in Canada surrounded by vineyards.	1.5km2.1km5km	Timed
Jul 11, 2026	18 weeks and 5 days	Wilderness Adventure Swim Say Yes to Life Swims	Web	Private Location (TBD) Seattle Area, WA	Location revealed only to registered participants to preserve serenity.	1.25 miles	Fun
Jul 12, 2026	18 weeks and 6 days	Portland Bridge Swim Portland Bridge Swim	Web	Sellwood Riverfront Park Portland, OR	Ultra-marathon swim passing under all 12 iconic Portland bridges.	11 miles	Timed
Jul 18, 2026	19 weeks and 5 days	USMS Marathon National Championship (10k) Rogue Valley Masters	Web	Hart-Tish Park Jacksonville, OR	2026 host for the USMS Marathon National Championship.	10km5km2.5km1.5km	Timed
Jul 18, 2026	19 weeks and 5 days	Across the Lake Swim - Kelowna Across the Lake Swim Society	Web	City Park Kelowna, BC	Flagship event of the series and Canada's largest open water race.	2.1km	Timed
Jul 25, 2026	20 weeks and 5 days	Fat Salmon Swim Fat Salmon Swim	Web	Madison Park Beach Seattle, WA	Seattle's premier point-to-point race along the shoreline.	3.2 miles	Timed
Jul 26, 2026	20 weeks and 6 days	Mudskipper Sammamish Mudskipper SwimRun	Web	Lake Sammamish State Park Issaquah, WA	Features various swim distances and a unique SwimRun challenge.	1km2km5km	Timed
Jul 29, 2026	21 weeks and 2 days	Across the Lake Swim - Starlight Across the Lake Swim Society	Web	Tugboat Bay Kelowna, BC	Unique night swim experience guided by glow sticks and stars.	0.5km1.5km	Fun
Aug 1, 2026	21 weeks and 5 days	Long Bridge Swim Long Bridge Swim	Web	Dog Beach Sandpoint, ID	Participants swim the length of the 1.76-mile Long Bridge.	1.76 miles	Timed
Aug 1, 2026	21 weeks and 5 days	Across the Lake Swim - Rattlesnake Island Across the Lake Swim Society	Web	Swim Bay Peachland, BC	Journey from Peachland to Rattlesnake Island and back.	1.5km4km7.1km	Timed
Aug 9, 2026	22 weeks and 6 days	Across the Lake Swim - Skaha Lake Across the Lake Swim Society	Web	Skaha Lake Park Penticton, BC	Features the 11.8km 'Ultra' spanning the entire lake length.	2.5km4.5km11.8km	Timed
Aug 9, 2026	22 weeks and 6 days	Nanaimo Open Water Swim Canaqua Sports	Web	Westwood Lake Park Nanaimo, BC	Lake swim on Vancouver Island with a festive race environment.	1km3km5km	Timed
Aug 15, 2026	23 weeks and 5 days	The Amazing OctoChallenge Say Yes to Life Swims	Web	Seward Park Seattle, WA	Challenging 5-mile loop known for generous time limits.	8km	Fun
Aug 15, 2026	23 weeks and 5 days	Across the Lake Swim - Kalamalka Lake Across the Lake Swim Society	Web	Kal Beach Coldstream, BC	High visibility in the 'Lake of a Thousand Colors'.	1.5km4.5km10km	Timed
Aug 16, 2026	23 weeks and 6 days	The Coeur d'Alene Crossing CdA Crossing	Web	Arrow Point to City Beach Coeur d'Alene, ID	Epic 9.2-mile crossing; a true test for elite swimmers.	9.2 miles	Timed
Aug 16, 2026	23 weeks and 6 days	Kits Challenge Vancouver Open Water Swimming Association	Web	Kitsilano Beach Vancouver, BC	Held at the famous Kitsilano Beach; suitable for all levels.	750m1.5km3km6km	Timed
Aug 22, 2026	24 weeks and 5 days	Across the Lake Swim - Gellatly Bay Across the Lake Swim Society	Web	Willow Beach West Kelowna, BC	Scenic bay swim where spectators can cheer from a waterfront path.	2.5km5km	Timed
Sep 5, 2026	26 weeks and 5 days	Lake Chelan Swim Lake Chelan Swim	Web	Manson Bay Park Chelan, WA	Fundraiser for local cancer support in deep blue waters.	1.5 miles	Timed
Sep 5, 2026	26 weeks and 5 days	Columbia River Cross Channel Swim Cascade Locks Lions Club	Web	Cascade Locks Cascade Locks, OR	Labor Day tradition crossing from Washington to Oregon.	1.1 miles	Timed
Sep 12, 2026	27 weeks and 5 days	Swim Across America - Seattle Swim Across America	Web	Lake Sammamish State Park Issaquah, WA	Charity swim benefiting Fred Hutchinson Cancer Center.	0.5 miles1 mile2 miles	Fun
Sep 12, 2026	27 weeks and 5 days	Across the Lake Swim - Copper Island Across the Lake Swim Society	Web	Scotch Creek Shuswap, BC	Rugged swim out to and around Copper Island.	2.6km5km	Timed
Sep 13, 2026	27 weeks and 6 days	Across the Lake Swim - Cultus Lake Across the Lake Swim Society	Web	Cultus Lake Park Chilliwack, BC	Perfect season-closer in warm, calm waters.	0.75km1.5km3km	Timed
Sep 19, 2026	28 weeks and 5 days	Agua Fresca Challenge Say Yes to Life Swims	Web	Angeline Park Seattle, WA	Late summer swim fully supported with kayaks and safety crews.	1.2 miles2.4 miles	Fun
Sep 20, 2026	28 weeks and 6 days	Last Splash of Summer Blue Wave Aquatics	Web	Lake Meridian Park Kent, WA	Official send-off to the summer open water season.	500m1 mile2 miles	Timed
Sep 20, 2026	28 weeks and 6 days	Sasamat Mudskipper Fresh and Salty B.C Championships Canaqua Sports / Mudskipper SwimRun	Web	Sasamat Lake & Belcarra Park Port Moody, BC	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.	1km3km5km	Timed

Sasamat (Ice Cracker)

Canaqua Sports

9 weeks and 6 days

White Pine Beach

Port Moody, BC

Sunday, May 10, 2026

Fresh · Sasamat Lake1km3km5km

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

2026 Open Water Swims

Sasamat (Ice Cracker)

Whidbey Adventure Swim

Best in the West Triathlon Festival (OWS Only)

Touch the Wall!

Tubby Trout 5k

VOWSA Sasamat Lake Challenge

Across the Lake Swim - Osoyoos

Wilderness Adventure Swim

Portland Bridge Swim

USMS Marathon National Championship (10k)

Across the Lake Swim - Kelowna

Fat Salmon Swim

Mudskipper Sammamish

Across the Lake Swim - Starlight

Long Bridge Swim

Across the Lake Swim - Rattlesnake Island

Across the Lake Swim - Skaha Lake

Nanaimo Open Water Swim

The Amazing OctoChallenge

Across the Lake Swim - Kalamalka Lake

The Coeur d'Alene Crossing

Kits Challenge

Across the Lake Swim - Gellatly Bay

Lake Chelan Swim

Columbia River Cross Channel Swim

Swim Across America - Seattle

Across the Lake Swim - Copper Island

Across the Lake Swim - Cultus Lake

Agua Fresca Challenge

Last Splash of Summer

Sasamat Mudskipper Fresh and Salty B.C Championships