Fairfield Flag Flyin' 5K Fun Run

Join us the last weekend in May - Sunny skies and cool temps make for a perfect Sprint and Super Sprint Triathlon - one of the finest in the early season of 2026. Start off with a cool 1/4 mile or 1/2 swim in beautiful Medical Lake with certified lifeguards and search and rescue personnel on jet skis in the water. Transition into a cool 11 mile or 22-mile countryside fast and flat road bike on SR902. Gorgeous scenery awaits your trek. Final transition to a mostly flat asphalt trek for a race around Medical Lake - approximately 5k around 10k will do twice. Starbucks gift cards to the winners. This is a USAT Sanctioned event. All participants must be a member (1 day membership is available). God Speed!

Event details and schedule

Plenty of parking at the Medical Lake Park. Race starts promptly at 8 am in knee deep water. You will receive 6 scores Swim, Bike, Run, T1, T2 and final. USAT ranked event. All bike handles must be plugged. Relay'ers will pass off the swim ankle bracelet in the transition to the cyclist and cyclist will hand off to the runner relay'er. We have festive music at the start/finish/transition area. Apples, Bananas and oranges at the finish. Also as requested by our athletes steak and veggie sandwiches at the finish. Forged medal Medical Lake Triathlon to all finishers and custom designed T-Shirt for all entrants. Kids sprint will be 100 m swim followed by a 1.5 mile run (ages 7-15). Kid's Splash n Dash starts ~8:30 am.

Mandatory (Zoom call/recorded) Safety Briefing on May 27, 2026, 7 pm PDT. Race packet pick up will be Saturday May 30, 2026, 4 pm or race day starting at 7 am at the race site. We will also send out a pre-race instructions on May 26, 2026.

Celebrate five decades of running with Fleet Feet at The Big Run presented by Brooks. This community 5K on Global Running Day is all about summer vibes, shared memories and the kind of runner’s high that keeps you coming back. Register today for The Big Run and let the good miles roll!

*Online Registration closes at 3:00 pm on Wednesday, June 3. After 3:00 pm, sign ups are available at the check in tent.

Let’s do this. Sign up today!

DISTANCE: 5k fun run/walk

WHEN: Wednesday, June 3, at 6:00 pm

WHERE: Kendall Yards -- on the Centennial Trail: 1335 W Summit Pkwy, Spokane, WA 99201

PRICE: FREE

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The Medical Lake Trailblazer Tri/Du/5k is one of the many things to do in Medical Lake on Founders Day weekend. This is an athlete-friendly race with a point-to-point open water swim, bike, and run on paved roads & trails.

Trailblazer Triathlon

A 350m swim, 12.2mi bike ride, and 2.92 mi run starting and ending at Waterfront Park.

Trailblazer Duathlon

A 1mi run, 12.2mi bike ride, and 2.92 mi run starting and ending at Waterfront Park.

Trailblazer 5k

A traditional 2.92 mi run around Medical Lake Trail starting and ending at Waterfront Park.