Beat the Blerch

Carnation, WA, USA · September 12, 2026

61°·72° high·Light·Dry

Weather

Race Day Weather

61°at start

72° high

Light

Dry

Warm afternoon, steady winds

Runners will face a starting temperature of 59°F, rising to 72°F by the finish, with average humidity at 63%. A light SW wind at 7 mph will provide a slight cooling effect, but gusts may reach 22 mph. Runners should pace conservatively and stay hydrated, especially as temperatures climb.

Race day forecast available in 131 days

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

4 PM

5 PM

Pre-raceRace windowPost-race

Get forecast alerts for Beat the Blerch

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

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 72°F and a low of 58°F with a 0% 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°

More WA Races

Beat the Bridge

2026-05-09 · Seattle, WA, USA

JH Rhody Run

2026-05-17 · Port Townsend, WA, USA

Last Chance Marathon

2026-12-31 · Bellingham, WA, USA

Whidbey Island Marathon

2026-04-26 · Oak Harbor, WA, USA

Lilac Bloomsday 12K

2026-05-03 · Spokane, WA, USA

Windermere Marathon

2026-05-17 · Spokane, WA, USA