Date
Sun, 23 May 2027
Venue
Billings, Montana
Billings, Yellowstone County
Countdown
May
A half marathon on trails that stays kind to the legs, with only 150 m of climbing over 21 km. A friendly first step off the road, and a fast one if you want it.
Key facts
01Results are ranked by sex and age group
Create a free training plan for the Billings Skyline Races 21 km
7-day free trial, no card required
The course
The route
Billings
Distance21km
Total climb150m
StartElevation
0 kmDrag map to rotate21.0 km
Weather
Late-May, Billings
20°CTypical high
7°CTypical low
-2°CColdest in 20 years
55%Days with rain
Highs around 20°C and lows around 7°C, but it has dropped to -2°C. Rain on 55% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Kahley Hardin01:34:0013.5 km/h
02Laura Gregersen01:42:4512.3 km/h
03Molly Fjalstad01:46:0411.9 km/h
100
Women finishers
2:19:57
Median time
9.0 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
OrganiserMontana Amateur Sports / Big Sky State Games
Websitebillingsskylinerace.org
Instagram@skylineraces
Running since2026
Training
Training for the Billings Skyline Races 21 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 Billings Skyline Races 21 km plan targets
Typical sessions
21 km with 150 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
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Get your Billings Skyline Races 21 km plan.
7-day free trial, no card required.
Other races at Billings Skyline Races
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