Alaska · Marathon · Half Marathon · 5K
Girdwood Marathon
Girdwood Marathon is a marathon, half marathon and 5K event held in Girdwood, Alaska. It was last held on October 3, 2026 and is usually run in October; the next date hasn't been announced yet. About 320 runners take part across all distances.
- Usually held
- October
- Location
- Girdwood, AK
- Field size
- ~320 runners
Race details
- Last held
- October 3, 2026
- Usually held in
- October
- Location
- Girdwood, Alaska
- Distances
- Marathon, Half Marathon, 5K
- Field size
- About 320 runners
- Registration
- runsignup.com
- Official website
- runsignup.com
Registration, course & weather
- Registration status
- Registration status as last checked September 25, 2026: open
- Start time
- 9:00 AM AKDT
- Course profile
- Loop course; Mostly trail, some road; Not a Boston qualifier
- Typical race-day weather
- about 44°F at the start, 96% humidity, 3 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026)
About the Girdwood Marathon
Technical trail marathon, half marathon and family-friendly 5K on Girdwood and Alyeska-area trails through temperate rainforest, including Winner Creek and Iditarod trails.
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Guides from the RaceRove blog
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Girdwood Marathon: common questions
- When is the Girdwood Marathon?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Girdwood Marathon held?
- In Girdwood, Alaska.
- What distances does the Girdwood Marathon offer?
- Marathon, Half Marathon and 5K.
- How many people run the Girdwood Marathon?
- About 320 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Girdwood Marathon?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Girdwood Marathon?
- Registration status as last checked September 25, 2026: open. Listed fee for the longest distance, $80 (from runsignup.com, checked September 25, 2026).
- What time does the Girdwood Marathon start?
- 9:00 AM AKDT.
- What is the course like at the Girdwood Marathon?
- Loop course; Mostly trail, some road; Not a Boston qualifier.
- What is race-day weather usually like at the Girdwood Marathon?
- about 44°F at the start, 96% humidity, 3 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026).
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.