Beat the Blerch

Carnation, WA, USA · September 12, 2026

55°·69° high·Light·Dry

Weather

Race Day Weather

55°at start

69° high

Light

Dry

Cool start, warming trend

Runners will face a temperature increase from 51°F at the start to 69°F by the finish. With light winds from the WSW at 5 mph, humidity sits at 64%, which may feel uncomfortable as temperatures rise. It’s advisable to start conservatively and adjust pace as needed, ensuring proper hydration throughout the race.

Race day forecast available in 2 days

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Race Info

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

Website

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.

What will the weather be like for the 2026 Beat the Blerch?

The forecast calls for a high of 70°F and a low of 50°F with a 7% chance of rain.

Historical Weather

Based on 9 years of data

Avg Temp

74°F

L:59° H:74°

RunScore

Conditions

Rain Freq

22%

2 of 9 yrs

Wind8mph

Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Beat the Blerch Partly cloudy throughout the day with afternoon rain. 2025	60°/71°	Light	59°
2024 Beat the Blerch Clear conditions throughout the day. 2024	65°/76°	-	60°
2023 Beat the Blerch Clear conditions throughout the day. 2023	56°/77°	-	52°
2022 Beat the Blerch Clear conditions throughout the day. 2022	62°/88°	-	47°
2018 Beat the Blerch Partly cloudy throughout the day with late afternoon rain. 2018	54°/64°	-	49°
2017 Beat the Blerch Partly cloudy throughout the day. 2017	54°/71°	-	46°
2016 Beat the Blerch Cloudy skies throughout the day with rain. 2016	58°/65°	Light	58°
2015 Beat the Blerch Clear conditions throughout the day. 2015	61°/78°	-	57°
2014 Beat the Blerch Clearing in the afternoon. 2014	59°/73°	-	57°

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