Sunday, July 22
Seward Park

BRI Seafair Triathlon Registration

Prices & Increase Dates:

EventThru 4/13Thru 5/11Thru 6/22Thru 7/19On 7/21 & 7/22
Olympic Distance Triathlon$80$90$100$115$130
Sprint Distance Triathlon$65$75$85$95$105
3-Person Sprint Relay$75$90$100$110$120
2-Person Sprint Relay$65$75$85$95$105
Olympic Distance Duathlon$65$75$85$95$105
Kids Long Course Tri$25$25$30$30$35
Kids Short Course Tri$25$25$30$30$35
Saturday Overnight Bike Racking (adult participants only)$10$10$10$10$15

Thank you to all that participated in the 2018 BRI Seafair Triathlon! Mark your calendars for the 2019 event,  July 21, 2019

Registration for the 2019 BRI Seafair Triathlon will open in March of 2019

2018 BRI Seafair Triathlon Race Results – HERE

2018 BRI Seafair Triathlon Photos – HERE


Registration Options

Option 1 – Register Online

Online registration for the Benaroya Research Institute Seafair Triathlon will be available until Thursday, July 19 at 11:59pm.



Option 2 – Pre-Race Packet Pick Up & Registration

Date: Saturday, July 21, 2018

Time: 12:30pm – 4:30pm

Location: Seward Park, Seattle

Participants will pick up all necessary equipment for race day including their timing chip, discipline bibs, swim caps and will have the opportunity to get your body marking done before race day. Participants will also have the opportunity to rack their bikes a day early (we will have 24-hour security in the transition zone). Cost is $10 when registering or $15 at the expo.


Elite Wave Entries:

To be placed in the elite wave, please send us your past three finish times (comparable distance) and overall placing to for consideration. Those placed in the elite wave WILL NOT be eligible to win age group awards, only prize money. The elite wave is for the Olympic Distance Triathlon only.