Date
Sat, 7 Aug 2027
Start
06:00
Venue
Horse Canyon Trail Junction, Kit Carson, California
Kit Carson, Amador County
Countdown
August
Three laps of the same 10.5-mile loop, so you learn the climbs on lap one and have to face them again twice. Runners get a full 14 hours to finish.
Key facts
01Final cut-off is 20:00, 14 hours after the start
02Three laps of the same loop, so you pass the start area between laps
Create a free training plan for the Thunder Mountain Trail Challenge 50 km
7-day free trial, no card required
The course
One lap, on repeat
Kit Carson · one lap
Distance50km
Total climb762m
Start · finishOne lap · elevation
0 kmDrag map to rotate9.1 km
Weather
Early-August, Kit Carson
28°CTypical high
11°CTypical low
4°CColdest in 20 years
8%Days with rain
Highs around 28°C and lows around 11°C, but it has dropped to 4°C. Rain on 8% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Wyndham May06:29:537.7 km/h
02Christopher Daunt08:39:025.8 km/h
03Sean Betesh08:56:295.6 km/h
10
Finishers
9:48:08
Median time
5.1 km/h
Median speed
Overall · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
OrganiserTroy's California Trail Runs
Websitetctruns.com
Instagram@troyscaliforniatrailruns
Running since2026
Training
Training for the Thunder Mountain Trail Challenge 50 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Thunder Mountain Trail Challenge 50 km plan targets
Typical sessions
50 km with 762 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Thunder Mountain Trail Challenge 50 km plan.
7-day free trial, no card required.
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