Bizz Johnson Trail Marathon

Susanville, CA, USA · October 11, 2026
clear-day45°·62° high·Light·Dry
9
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Race Day Weather

clear-day
45°at start
65° high
Breezy
Dry

Cool start, warming trend ahead

Runners will face a starting temperature of 45°F, rising to 67°F by race end. Wind will be a light headwind at 12 mph, with average humidity at 36%. Given the warming trend, runners should start conservatively and monitor hydration closely as temperatures rise.

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Race Info

The Bizz Johnson Trail Marathon and 50K distances begin at Mason Station with an out and back on McCoy Road (You will be bused to the start). After returning to Mason Station, you'll jump onto the Bizz Johnson Trail and travel through scenic Lassen National Forest. The first few miles of the course climb 280 feet through the forest to Westwood Junction, then it’s downhill to the finish at Susanville, with a 1300-foot descent over the final 20 miles. The trail follows the route of the old Fernley and Lassen Branch Line of the Southern Pacific Railroad, built in 1914. Source

Race weekend

Sunday, October 11
8:00 AM50K (31.1 mi)
8:00 AMMarathon (26.2 mi)
9:00 AMExpress Half Marathon (13.1 mi)
9:00 AMExpress 10K (6.2 mi)
Area Map

Course Map

FAQ

When is the 2026 Bizz Johnson Trail Marathon?

The 2026 Bizz Johnson Trail Marathon will be held on Sunday October 11, 2026.

Is the Bizz Johnson Trail Marathon a Boston Marathon Qualifier?

Yes, the Bizz Johnson Trail Marathon is an official Boston Marathon qualifier.

What is the time limit for the Bizz Johnson Trail Marathon?

The time limit for the Bizz Johnson Trail Marathon is 8 hours.

What will the weather be like for the 2026 Bizz Johnson Trail Marathon?

The forecast calls for a high of 65°F and a low of 42°F with a 6% chance of rain.

Historical Weather

Based on 5 years of data
Avg Temp
61°F
L:51° H:69°
RunScore
8
Conditions
Rain Freq
20%
1 of 5 yrs
Wind4mph
Dew35°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
38°/47°Light
10
2024
partly-cloudy-day
47°/61°-
9
2023
clear-day
47°/70°-
7
2022
clear-day
68°/90°-
4
2021
clear-day
54°/75°-
7