Triathlon Calendar near Newcastle 2026-2027

October 2026

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.

June 2027

Jun

5

Sa

Lake Wilderness Triathlon and Run

Maple Valley | 11 mi from Newcastle

Trail Run Triathlon Duathlon Sprint 13.76 5.5 mi Sprint 0.25 13.76 5.5 mi Olympic 27.54 6.36 mi Olympic 0.93 27.54 6.36 mi

Triathlon, duathlon and running events at Lake Wilderness Park featuring lake swims, rolling bike routes and trails along the Cedar River.

Jun

19

Sa

Solstice Run - Seattle

Seattle | 9 mi from Newcastle

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.

July 2027

Jul

11

Su

Wildcat Lake Triathlon

Bremerton | 21 mi from Newcastle

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.

August 2027

Aug

29

Su

Beaver Lake Triathlon

Sammamish | 8 mi from Newcastle

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.