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Seattle’s Annual 10K Invitational Open Water Swim

This challenging endurance event in Lake Washington is for experienced distance swimmers only. Eighteen swimmers completed the course in 2017, and many described it as the best swimming experience they’d had all year.

We supply trained safety kayakers and also encourage swimmers to recruit their own paddlers. Swimmers are provided with drinking water along the route and a feeding opportunity at the 5k mark; your own paddler can provide feeding opportunities whenever requested.

We accept participants based on their RECENT open water swim experience. You must have completed at least two events of 5k or over during the past two years to be considered for this event. Please contact Guila describing those events. If you are accepted, Guila will supply you the link to register. Those who swam last year’s 10k Invitational Open Water Swim with us are not required to submit this information to receive the registration link.

Swim a total of 15k and save $25 when you register for The Intrepid Dual Swim Package.

Registration for this event closes at midnight on Wednesday, September 12th, or when all spaces are filled. Register early to secure your place.

“The safety aspect was very impressive. I don’t remember more safety awareness at any event. That is so reassuring and worth paying for.”
— Melinda B, 2016

Date: Saturday, September 15th

Time: 9:00 AM – 3:00 PM
Cost: $195
Are you a serious endurance swimmer? Swim a total of 15k and save $25 when you register for The Intrepid Dual Swim Package.

The Details

Location: Lake Washington: exact location provided upon registration
Length: 10K
Level: Challenging
Wetsuit: Your choice to wear one or not

Save Money on this Event

Learn how you can pay even less for your choice of Escorted Open Water Swim events with our discount options!

Waiver/Safety Plan

To swim with us, you must read and agree to the Say Yes to Life Liability Waiver/Safety Plan.

See a list of all 2018 Escorted Open Water Swim Events.