DateExpected
Mid September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Granite Sports, 201 Main St, Hill City, South Dakota 57745
Hill City, Pennington County
Countdown
September
One 25-mile lap around Hill City, ridden as a solo or with a relay team. A single loop of mountain bike racing that is a good way into the Buffalo 50 weekend.
Key facts
01Solo and relay entries were offered in 2026
02Mass start, so expect a bunched first few minutes
03One lap only, so there is no second lap to plan for
Create a free training plan for the Buffalo 50 40 km
7-day free trial, no card required
The course
The route
Hill City
Distance40km
StartElevation
0 kmDrag map to rotate43.1 km
Weather
Mid-September, Hill City
24°CTypical high
9°CTypical low
-5°CColdest in 20 years
26%Days with rain
Highs around 24°C and lows around 9°C, but it has dropped to -5°C. Rain on 26% 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 Buffalo 50 40 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 Buffalo 50 40 km plan targets
Typical sessions
40 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 Buffalo 50 40 km plan.
7-day free trial, no card required.
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