September 16, 2023
Angle Lake, SeaTac WA
8:30 AM Sign-In / 10:00 Start

Welcome to the Last Splash of Summer 2023

Meet Information

This year Last Splash of Summer includes the 1 Mile Wetsuit, 1 Mile No-Wetsuit, 1 Mile FIN Wetsuit (1 Mile), 1 Mile FIN No-Wetsuit (1 Mile), 2 Mile Wetsuit, 2 Mile No-Wetsuit and 500 Yards for 9 - 12 year olds. Last Splash of Summer will be held Saturday, September 16th, 2023 at Angle Lake in SeaTac, WA.

The last open water swim of the Season. The lake temperature averages in the high 60's in mid-September.

Entry includes one event, swim cap, and gift. Family members are welcome to cheer on their swimmers.


Adults Kids
  • 1 Mile wetsuit
  • 1 Mile no-wetsuit
  • 1 Mile FIN wetsuit(1 mile)
  • 1 Mile FIN no-wetsuit(1 mile)
  • 2 Mile wetsuit
  • 2 Mile no-wetsuit
  • 500 yard non-wetsuit [9 - 12 year olds]
  • 1 Mile wetsuit
  • 1 Mile no-wetsuit
  • 1 Mile FIN wetsuit(1 mile)
  • 1 Mile FIN no-wetsuit(1 mile)
  • 2 Mile wetsuit
  • 2 Mile no-wetsuit


The use of neoprene wetsuits or other nonporous attire is allowed in the wetsuit events. Fins, pull buoys, snorkels, mp3 players are examples of items NOT allowed. 500 Meter is a no-wetsuit event.

Last Splash of Summer is NOT a USMS sanctioned event. We will follow the open water rules of USMS. To view USMS complete rules for open water events please visit USMS Rules and Regulations at

Age Determination

AGE: Age will be determined by your age as of December 31st.


Registration Opens __/__/2024
Early Registration Discount - Registration Opens __/__/2024 $__________
Registration - .Registration Opens __/__/2024 $__________
Day of Race Registration $__________

500 Yard Swim (9 - 12 Year Olds) $__________

Registration is through

Registration closes 11:59 PM PST on Thursday, __________ OR when the event is full. Maximum athletes for the event is 300.

Cancellation Policy

Online open water registrations are non-refundable and non-transferable.

Race Day Schedule

8:30 am Check-in and Registration Opens
9:30 am Mandatory Meeting for ALL swimmers
9:40 am Chip check-in and warmups
10:00 am START 2 Mile Events
10:10 am START 1 Mile Events (NOT FIN Events)
10:20 am START 1 Mile FIN Events
11:00 am START 500 yards when the course has been cleared

Safety Meeting Information


Angle Lake Park
19408 International Blvd
SeaTac, WA 98148

Angle Lake is an L shaped community lake in the heart of SeaTac, about 1 mile south of SeaTac Airport. The park has a large beach and picnic area. Restrooms and changing areas are available.

DIRECTIONS: From I-5: Take the South 188th St exit (#152); drive west 1 mile; turn left onto International Blvd (aka Pacific Highway South); drive south .5 miles; turn left on South 195th St into the park. Parking is limited at Angle Lake Park. Free parking available at Angle Lake Light Rail Station (19955 28th Ave South, SeaTac). It is a 10 minute walk to Angle Lake Park.

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