The 2026 Beat the Blerch has concluded.

Beat the Blerch

Race complete

Carnation, WA, USA · September 12, 2026

55°·63° high·Light·Dry

Beat the Blerch race day weather

55°at start

66° high

Light

Dry

Mild temps, strategic pacing needed

Runners will face temperatures starting at 54°F and peaking at 66°F, with average humidity around 68%. Wind will be light at 7 mph, becoming a factor mainly as a headwind from miles 4-15. To optimize performance, runners should start conservatively and adjust pace during the headwind sections, especially between miles 4-15, while taking advantage of the tailwind from miles 16-21.

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About the Beat the Blerch

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

Race weekend

Saturday, September 12

8:00 AMMarathon (26.2 mi)

9:00 AMHalf Marathon (13.1 mi)9:30 AM10K (6.2 mi)12:00 PM5K (3.1 mi)

Beat the Blerch 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 66°F and a low of 54°F with a 0% chance of rain.

What is the weather usually like for the Beat the Blerch?

Over the 10 years racecast.io has race-day weather for (2014 to 2026), it averaged 58°F at the start and 68°F by a typical finish. Rain fell during race hours in 2 of those years (2016 and 2025).

What was the hottest Beat the Blerch?

Of the 10 years on record, 2022 was the warmest, reaching 79°F during race hours. The coldest start was 2017, at 54°F.

What was the windiest Beat the Blerch?

Of the 10 years on record, 2016 was the windiest, with wind averaging 11 mph during race hours. The calmest was 2026, at 3 mph.

Beat the Blerch weather history

Based on 10 years of data

Avg Temp

63°F

L:58° H:68°

RunScore

Conditions

Rain Freq

20%

2 of 10 yrs

Wind6mph

Dew53°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Beat the Blerch Partly cloudy throughout the day. 2026	55°/63°	-	51°
2025 Beat the Blerch Partly cloudy throughout the day with afternoon rain. 2025	60°/65°	Light	59°
2024 Beat the Blerch Clear conditions throughout the day. 2024	65°/74°	-	60°
2023 Beat the Blerch Clear conditions throughout the day. 2023	56°/69°	-	52°
2022 Beat the Blerch Clear conditions throughout the day. 2022	62°/79°	-	47°
2018 Beat the Blerch Partly cloudy throughout the day with late afternoon rain. 2018	54°/62°	-	49°
2017 Beat the Blerch Partly cloudy throughout the day. 2017	54°/64°	-	46°
2016 Beat the Blerch Cloudy skies throughout the day with rain. 2016	58°/63°	Light	57°
2015 Beat the Blerch Clear conditions throughout the day. 2015	61°/73°	-	57°
2014 Beat the Blerch Clearing in the afternoon. 2014	59°/67°	-	57°