Westwood-Susanville, CA, United States · Sunday, October 11, 2026

Fixed Distance 50K

Bizz Johnson 50 km Trail Run

25 days to go
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

34.0561° N, 118.4306° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 8 hours 9:36 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 89% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~29 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 25°C
Night low 14°C
Rainfall Dry — rain unlikely
Daylight 11 h 32 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 395 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail.

All gear guides →

Course Notes

The Bizz Johnson Trail begins at Mason Station and travels through scenic Lassen National Forest.

Similar races

Other 50K trail ultras, closest in distance first.