DateExpected
Early September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Champions Meadow, Sun Valley, Idaho
Sun Valley, Blaine County
Countdown
September
Stage 1 of the Big Lost is a mass start over technical single and double track. Short and punchy at 56 km, with modest climbing, it is all about handling.
Key facts
01No race licence needed, but you must sign a USA Cycling waiver
02Mass start, so expect a bunched field on the early tracks
Create a free training plan for the The Big Lost 56 km
7-day free trial, no card required
The course
The route
Sun Valley
Distance56km
Total climb792m
StartElevation
0 kmDrag map to rotate55.0 km
Weather
Early-September, Sun Valley
24°CTypical high
9°CTypical low
-2°CColdest in 20 years
12%Days with rain
Highs around 24°C and lows around 9°C, but it has dropped to -2°C. Rain on 12% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the The Big Lost 56 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 The Big Lost 56 km plan targets
Typical sessions
56 km with 792 m of climbing
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Group rides for drafting and bunch-riding skills
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 The Big Lost 56 km plan.
7-day free trial, no card required.
Other races at The Big Lost
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