Seafair Triathlon
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Seafair Triathlon

Date: July 23, 2023
Time: 7:00 AM - 1:00 PM
The Seafair Triathlon is the Pacific Northwest's premier triathlon, offering participants multiple disciplines on a flat, fast, and picturesque triathlon course along the shores of Lake Sammamish at Lake Sammamish State Park. This participant-friendly event also offers a Kids Triathlon, so there's a course for everyone in the family. The Seafair Triathlon is a must-do for all triathletes in the Pacific Northwest.

Seven Categories Available

Sprint Triathlon
.5 Mile Swim, 14.8 Mile Bike Ride, 3 Mile Run

Super Sprint Triathlon
.25 Mile Swim, 14 Mile Bike, 5K Run (Great for the beginner triathlete!)

3 Person Sprint Relay
.5 Mile Swim, 14.8 Mile Bike Ride, 3 Mile Run (Each person completes one segment)

2 Person Sprint Relay
.5 Mile Swim, 14.8 Mile Bike Ride, 3 Mile Run (1 person completes 1 segment, other person completes 2)

Sprint Duathlon
14 Mile Bike, 5K Run

Kids Triathlon - Long Course
100 Yard Swim, 2 Mile Bike Ride, 1 Mile Run

Kids Triathlon - Short Course
50 Yard Swim, 1 Mile Bike, .5 Mile Run (Kids can touch the bottom the entire time of Swim)

What's Included With Entry?

2022 Seafair Triathlon participant shirt
Event Finisher Medal
FREE downloadable participant photos (average of 4+ per participant)
Timing Chip, Swim Cap
Personalized Race Bib

No Awards Ceremony in 2022 – All awards/finisher certificates will be electronic and downloadable
Seafair Triathlon Photos
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Register Today

Triathlon Registration

Race Weekend Schedule

Saturday, July 23
What: Gerk’s Ski & Cycle Pre-Race Packet Pickup & Body Marking
Where: Gerk’s Ski & Cycle
1485 11th Ave NW, Issaquah, WA 98027
Time: 12:30pm – 4:30pm

Sunday, July 24 – RACE DAY!
6:00 a.m. – Lake Sammamish State Park Opens
6:00 a.m. – Transition Zone Opens
6:00 a.m. – Race Day LATE packet pickup & body marking begins
6:00 a.m. – Gerk’s Ski & Cycle Bike Mechanics Area Opens
7:00 a.m. – Sprint Triathlon Course Start
7:15 a.m. – Sprint Duathlon Course Start
7:30 a.m. – Sprint Relay Course Start
7:45 a.m. – Super Sprint Course Start
10:30 a.m. – Kids Short Course Start
11 a.m. – Kids Long Course Start

Transition Area

The transition area will be open and supervised starting at 6:00 a.m. on Sunday, July 24. For the safety of all participants, only registered participants will be allowed in the transition area. Participants may leave their personal belongings in this secure area. Please rack your bike on your designated bike rack, which is determined by your race number. Athletes can rack their bikes the morning of the race; Saturday bike racking will not be allowed in 2022. Nobody without a race bib and body marking will be allowed in the transition zone on race day. Gerk’s Ski & Cycle bike mechanics will also be located in the transition zone and available to make quick adjustments to your bike before the event. Gerk’s will be available when the triathlon opens, starting at 6:00 am.

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Seafair Triathlon Photos
Seafair Triathlon
July 23, 2023 | 7:00 AM - 1:00 PM

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