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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • 5K
  • 5 km
  • Girdwood
  • Event weekend starts
  • Open entry

Girdwood Marathon 5K

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Official event website & entry ↗
Plan my trainingPlan my paceData current as of Source last verified

Decision summary

Girdwood Marathon 5K at a glance

Typical conditions
72/100

Historical race-date favourability, not a forecast

Evidence depth
28 verified facts

Source facts available

Route details

Known course facts at a glance

Methodology →

Girdwood Marathon 5K has known course details for its 5k race. The summary below keeps the focus on what is confirmed for the course.

Official distance
5 km
Terrain
Trail
Scenery
Forest, Waterfront, Mountain, Riverside, Lakeside, Coastal

Quick answers

What runners ask first

Where does the Girdwood Marathon 5K route go?

The Girdwood Marathon 5K route starts at Alyeska Day Lodge, Girdwood, Alaska and finishes at Alyeska Day Lodge, Girdwood, Alaska. Underfoot, expect soft mountain trails, often wet in October. It passes Winner Creek Trail, Iditarod Trails, Nordic 5K Loop, Glacier Creek and Crow Creek Road. The race is a fundraiser for the Girdwood Nordic Ski Club, supporting trail maintenance and snow-machine grooming.

What should runners know on race day for the Girdwood Marathon 5K?

Headphones and AirPods are discouraged so runners stay alert to wildlife on the trails.

Race character

Scenery

  • Forest
  • Waterfront
  • Mountain
  • Riverside
  • Lakeside
  • Coastal

Atmosphere

  • Wilderness
  • Community
  • Destination

Terrain

  • Trail

Entry, logistics and records

Records and field

Field cap
95

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.

Race day logistics

On-course music
Headphones and AirPods are discouraged so runners stay alert to wildlife on the trails.

Access and course status

Start
Alyeska Day Lodge, Girdwood, Alaska
Finish
Alyeska Day Lodge, Girdwood, Alaska

Course facts

Surface
Soft mountain trails, often wet in October
Landmarks
Winner Creek Trail, Iditarod Trails, Nordic 5K Loop, Glacier Creek, Crow Creek Road, Alyeska Resort trails
Notable features
  • Runners are required to carry their own bear spray and hydration
  • dogs are prohibited for both racers and spectators
  • The race is a fundraiser for the Girdwood Nordic Ski Club, supporting trail maintenance and snow-machine grooming
  • Five aid stations along the course stocked with water, snacks, and gummy bears
  • The route weaves through more than 30 meandering trails in the Girdwood valley's temperate rainforest, including crossings of glacial creeks

What are typical race-day conditions?

  • 6°CTypical temperature
  • 11 kphTypical wind
  • 9 mmTypical rainfall
  • 72Favourability /100
Typical conditions for the race date and locality, within the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (2)

Read the full methodology →