Triathlon Calendar near Big Lake 2025-2026

Jun

14-15

Sa - Su

Eagle River Triathlon

Chugiak | 16 mi from Big Lake

Triathlon

The Eagle River Triathlon, held in Chugiak, Alaska, is the 2025 USA Triathlon Alaska State Championship featuring Olympic and Sprint distance triathlons. The event offers a scenic and challenging cour..

Feb

14-16

Sa - Mo

Susitna 100

Big Lake

Multisport

The Susitna 100 is a challenging winter wilderness race held in Big Lake, Alaska, featuring a 100-mile course on marked trails through remote, frozen terrain. Alongside the main event, the Little Su 5..