Bizz Johnson Trail Marathon

Susanville, CA, USAOctober 11, 2026
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Race Day Weather

clear-day
37°
66° high
Breezy
Dry

Cool start, warming trend ahead

Runners will face a temperature rise from 38°F at the start to a peak of 66°F. Winds will be light, coming from the SW at 10 mph, with gusts up to 36 mph. As temperatures increase, pacing adjustments may be necessary, especially during the warmer portions of the race.

Race day forecast available in 198 days
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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

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.

Historical Weather

Based on 3 years of data
Avg Temp
66°F
L:43° H:67°
RunScore
8
Conditions
Rain Freq
33%
1 of 3 yrs
Wind4mph
Dew40°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
clear-day
36°/61°-
8
2024
partly-cloudy-day
47°/62°Light
8
2023
clear-day
47°/79°-
7