Date
Sat, 28 Aug 2027
Venue
Town Center, Big Sky, Montana
Big Sky, Gallatin County
Countdown
August
The big one of the Biggie weekend: 50 miles on the mountain bike in a single loop. It's a proper full-day effort, and the one for riders who want the long way round.
Create a free training plan for the Big Sky Biggie 80 km
7-day free trial, no card required
The course
The route
Big Sky
Distance80km
StartElevation
0 kmDrag map to rotate68.7 km
Weather
Late-August, Big Sky
25°CTypical high
8°CTypical low
-1°CColdest in 20 years
27%Days with rain
Highs around 25°C and lows around 8°C, but it has dropped to -1°C. Rain on 27% 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 Big Sky Biggie 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 Big Sky Biggie 80 km plan targets
Typical sessions
80 km
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
Terrain and skills practice specific to the course
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 Big Sky Biggie 80 km plan.
7-day free trial, no card required.
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