Beat the Blerch

Carnation, WA, USASeptember 12, 2026
Register

Race Day Weather

partly-cloudy-day
58°
72° high
Light
Dry

Warm afternoon, steady breeze

Runners will face temperatures starting at 59°F and rising to 72°F by race's end, with average humidity at 63% and a dew point of 53°F. A light breeze from the SW will provide a steady cooling effect. As the day warms, runners should consider adjusting their pace and staying hydrated, especially in the latter stages.

Race day forecast available in 169 days
partly-cloudy-night9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day8
partly-cloudy-day9
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8

Beat The Blerch is a 5k, 10K, half, and full marathon created by The Oatmeal. It was inspired by a character called The Blerch, who came from this webcomic about running. The race takes place just outside of Seattle in Carnation, Washington. Source

Area Map

Course Map

FAQ

When is the 2026 Beat the Blerch?

The 2026 Beat the Blerch will be held on Saturday September 12, 2026.

What is the time limit for the Beat the Blerch?

The time limit for the Beat the Blerch is 7 hours.

Historical Weather

Based on 9 years of data
Avg Temp
74°F
L:59° H:74°
RunScore
8
Conditions
Rain Freq
22%
2 of 9 yrs
Wind8mph
Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
cloudy
60°/71°Light
8
2024
clear-day
65°/76°-
8
2023
clear-day
56°/77°-
8
2022
clear-day
62°/88°-
7
2018
partly-cloudy-day
54°/64°-
9
2017
partly-cloudy-day
54°/71°-
8
2016
rain
58°/65°Light
7
2015
clear-day
61°/78°-
8
2014
cloudy
59°/73°-
8