Grand Ridge Marathon

Issaquah, WA, USA • November 8, 2025
TopDescriptionCourseCommunity
Register

Subscribe

Get updates on the Grand Ridge Marathon race forecast and be the first to know if the forecast shifts.

Text Updates

Maximum one update per day. Standard messaging rates apply. Currently only supports USA, UK, and Canada.

Phone Number

Email Updates

By submitting your email you agree to receive weather forecasts and racecast.io updates.

partly-cloudy-day Partly cloudy throughout the day.

350 lumens of light to illuminate the trail ahead. Black Diamond Spot 350 Headlamp.When you buy through our links, we may earn a commission.

Grand Ridge Park is an incredible setting to finish off this year. Since 2000, the Washington Trails Association has been hard at work developing over seven miles of connected trail from old logging roads and user-built paths. It has all come together to create a beautiful system of trails that are ideal for running, hiking and biking. Source

Area Map

Course Maps

FAQ

Ask a Question about the Grand Ridge Marathon

Racecast Concierge (free during beta)

Ask a question about the Grand Ridge Marathon and we'll do the hard part and find the answer for you within 48 hours.

By using Racecast Concierge, you agree to receive email alerts pertaining to the Grand Ridge Marathon and general racecast.io updates.

When is the 2025 Grand Ridge Marathon?

The 2025 Grand Ridge Marathon will be held on Saturday November 8, 2025.

Community

You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR

Every Monday we break down the top results in the marathon from over the weekend.

5d
bvd's Avatar
bvd
News

Historical Weather & Results

RunScore
Run Score: 8
Temp
51°F
Min/Max
44°/52°F
Dew
38°F
Days of Rain
7/14
Wind
8mph
Tap a row for details.
YearLow / HighRainResults

Grand Ridge Marathon 2024 Weather History

Cloudy skies throughout the day with rain.

2024
cloudy
49°/ 53°Light
Run Score: 9

Grand Ridge Marathon 2023 Weather History

Partly cloudy throughout the day with a chance of rain throughout the day.

2023
rain
49°/ 54°Light
Run Score: 7

Grand Ridge Marathon 2022 Weather History

Clear conditions throughout the day.

2022
clear-day
33°/ 50°-
Run Score: 8

Grand Ridge Marathon 2021 Weather History

Cloudy skies throughout the day with a chance of rain throughout the day.

2021
rain
58°/ 63°Light
Run Score: 6

Grand Ridge Marathon 2020 Weather History

Partly cloudy throughout the day with rain clearing later.

2020
cloudy
46°/ 52°Light
Run Score: 7

Grand Ridge Marathon 2019 Weather History

Partly cloudy throughout the day with afternoon rain.

2019
partly-cloudy-day
48°/ 53°-
Run Score: 9

Grand Ridge Marathon 2018 Weather History

Clear conditions throughout the day.

2018
partly-cloudy-day
44°/ 55°-
Run Score: 8

Grand Ridge Marathon 2017 Weather History

Clearing in the afternoon.

2017
partly-cloudy-day
46°/ 53°-
Run Score: 9

Grand Ridge Marathon 2016 Weather History

Cloudy skies throughout the day with rain in the morning and afternoon.

2016
rain
49°/ 56°Light
Run Score: 8

Grand Ridge Marathon 2015 Weather History

Cloudy skies throughout the day with a chance of rain throughout the day.

2015
rain
46°/ 47°Light
Run Score: 6

Grand Ridge Marathon 2014 Weather History

Clear conditions throughout the day.

2014
clear-day
27°/ 48°-
Run Score: 8

Grand Ridge Marathon 2013 Weather History

Partly cloudy throughout the day.

2013
partly-cloudy-day
42°/ 49°-
Run Score: 8

Grand Ridge Marathon 2012 Weather History

Partly cloudy throughout the day with rain.

2012
partly-cloudy-day
47°/ 55°Light
Run Score: 8

Grand Ridge Marathon 2011 Weather History

Partly cloudy throughout the day.

2011
cloudy
34°/ 41°-
Run Score: 7
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR