Mill Creek

Featured races

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Kirkland Turkey Trot

15 Nov 2026 · Kirkland

Registration

12Ks of Christmas

13 Dec 2026 · Kirkland

Registration

Kirkland Shamrock Run

13 Mar 2027 · Kirkland

Registration

Triathlon Calendar near Mill Creek 2026-2027

Monthly updates for Mill Creek

Get new running races (and updates) in your inbox every month.

Explore the top triathlons near Mill Creek for 2026-2027! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.

October 2026

Pumpkin Man - Sammamish

Sammamish | 18 mi from Mill Creek

Duathlon FULL Duathlon 10mi Bike 5... 10 5 mi RELAY 10 mile bike or 5 M... 10 5 mi

Pumpkin Man in Sammamish pairs a hilly 10 mile road bike and a 5 mile technical trail run on October 31, 2026, with technical long sleeve shirts and finisher medals.

Pumpkin Man in Sammamish pairs a hilly 10 mile road bike and a 5 mile technical trail run on October 31, 2026, with technical long sleeve shirts and finisher medals.

June 2027

Solstice Run - Seattle

Seattle | 18 mi from Mill Creek

Duathlon 5 km 10 km 15 km

Seattle Solstice Run at Magnuson Park on June 19, 2027 features 5k, 10k, 15k, a kids dash and a duathlon on a USATF certified 5k loop.

Seattle Solstice Run at Magnuson Park on June 19, 2027 features 5k, 10k, 15k, a kids dash and a duathlon on a USATF certified 5k loop.

July 2027

Wildcat Lake Triathlon

Bremerton | 28 mi from Mill Creek

Triathlon Sprint 0.25 11 mi 5 km Olympic 0.5 22 mi 10 km

USAT sanctioned triathlon at Wildcat Lake near Bremerton with solo and relay distances, race packet items, and one day USAT membership options.

USAT sanctioned triathlon at Wildcat Lake near Bremerton with solo and relay distances, race packet items, and one day USAT membership options.

August 2027

Beaver Lake Triathlon

Sammamish | 18 mi from Mill Creek

Triathlon Duathlon Aquathlon BLT Aquathon 1/4 swim, 13... 0.25 13.4 mi BLT Aquabike 1/4S, 13.4B 0.25 13.4 mi BLT Duathlon 13.4B, 4.3R 13.4 4.3 mi Full Triathlon1/4S 13.4B... 0.25 13.4 4.3 mi

Beaver Lake Triathlon combines a 1/4 mile swim, a 13.4 mile bike up Duthie Hill and a 4.3 mile run around Beaver Lake, with multiple race and relay options.

Beaver Lake Triathlon combines a 1/4 mile swim, a 13.4 mile bike up Duthie Hill and a 4.3 mile run around Beaver Lake, with multiple race and relay options.

September 2027

Newcastle Beach Triathlon

Newport | 20 mi from Mill Creek

Triathlon Aquabike 1/4S, 13kB 0.25 mi 13 km Aquathon 1/4S, 13kB 0.25 mi 13 km Duathlon 13kB, 8kR 13 8 km Sprint 0.25 mi 13 8 km

Sprint triathlon at Newcastle Beach Park with a 1/4 mile swim, 13k off road bike and 8k run; USAT membership is required.

Sprint triathlon at Newcastle Beach Park with a 1/4 mile swim, 13k off road bike and 8k run; USAT membership is required.

Monthly updates for Mill Creek

Get new running races (and updates) in your inbox every month.