The 2026 Bellingham Bay Half Marathon has concluded.Share your finish

Bellingham Bay Half Marathon

Race complete
Bellingham, WA, USA · September 20, 2026·
clear-day55°·55° high·Light·Dry
7
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Race Day Weather

clear-day
55°at start
66° high
Light
Dry
Your goal
0:00:00

Comfortable temps, warming through the race

Mild 55°F temps at gun time mean comfortable early miles without overheating risk. Temperatures rising to 66°F through the course will gradually increase perceived effort in the second half. Light winds shouldn't be a major factor for pacing. High humidity (84%) will make it harder to cool down through sweat — increase fluid intake accordingly.

clear-day10
partly-cloudy-day9
partly-cloudy-day8
cloudy7
partly-cloudy-day7
clear-day7
clear-day6
clear-day6
clear-day6
clear-day5

Pace Calculator

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Race Plan

Get your personalized Bellingham Bay Half Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

Race Info

The Bellingham Bay Marathon half marathon runs 13.1 miles on the Sunday of race weekend, starting and finishing at Depot Market Square in downtown Bellingham. The course is mostly road with stretches of urban trail. It is USATF-certified and shares its finish area with the marathon, 10K and 5K.

Race weekend

Sunday, September 20
7:30 AMMarathon (26.2 mi)
9:00 AMHalf Marathon (13.1 mi)
9:15 AM10K (6.2 mi)9:30 AM5K (3.1 mi)

FAQ

When is the 2026 Bellingham Bay Half Marathon?

The 2026 Bellingham Bay Half Marathon will be held on Sunday September 20, 2026.

What is the time limit for the Bellingham Bay Half Marathon?

The time limit for the Bellingham Bay Half Marathon is 5 hours.

What will the weather be like for the 2026 Bellingham Bay Half Marathon?

The forecast calls for a high of 66°F and a low of 46°F with a 0% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

Historical Weather

Based on 19 years of data
Avg Temp
57°F
L:55° H:59°
RunScore
8
Conditions
Rain Freq
21%
4 of 19 yrs
Wind8mph
Dew51°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
partly-cloudy-day
55°/55°-
7
2025
partly-cloudy-day
58°/61°-
6
2024
partly-cloudy-day
56°/61°-
7
2023
clear-day
52°/60°-
8
2022
clear-day
59°/67°-
6
2021
cloudy
56°/63°-
7
2019
partly-cloudy-day
51°/54°-
9
2018
rain
53°/54°Light
8
2017
partly-cloudy-day
53°/58°-
8
2016
cloudy
57°/62°-
7
2015
clear-day
46°/54°-
10
2014
cloudy
55°/57°-
8
2013
rain
53°/55°Light
8
2012
clear-day
50°/57°-
9
2011
clear-day
60°/65°-
7
2010
partly-cloudy-day
60°/62°Light
6
2009
clear-day
51°/58°-
9
2008
clear-day
53°/59°-
9
2007
cloudy
57°/59°Light
7