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 2 is a gentler kind of day: a neutral roll out of Ketchum, one timed summit climb, then a neutral ride back. Only the climb counts.
Key facts
01Only the 4.5-mile summit climb is timed, in individual intervals
02Rollout from Ketchum and the return are both neutral
03No race licence needed, but you must sign a USA Cycling waiver
Create a free training plan for the The Big Lost 80 km
7-day free trial, no card required
The course
The route
Sun Valley
Distance81km
Total climb904m
StartElevation
0 kmDrag map to rotate78.2 km
Weather
Early-September, Sun Valley
24°CTypical high
9°CTypical low
-2°CColdest in 20 years
13%Days with rain
Highs around 24°C and lows around 9°C, but it has dropped to -2°C. Rain on 13% 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 80 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 80 km plan targets
Typical sessions
81 km with 904 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 80 km plan.
7-day free trial, no card required.
Other races at The Big Lost
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