- Weather
- 62°Ftypical startModelled estimate
- Field size
- ~2,500 runners
- Course
- Net downhill
- Elevation
- 150 ft gain · -1,400 ft net
Provo Canyon alongside Bridal Veil Falls
PR9Weather7Experience8
Mid-July · Mountain West · Point-to-Point
Big Sky Marathon
Ennis, MT · Sunday, July 11, 2027
Event: Big Sky Marathon (Full)
- Best for PR
- Boston Qualifier
- Scenic
Registration opens on the organizer's site
Typical start
60°
Cooler than 7% of U.S. marathons
Modeled historical conditions
Elevation gain
200ft
Flatter than 54% of races
Estimated total climb
Field size
300
Larger than 0% of races
Estimated field
PR potential
8.8/10
Ahead of 50% of races
Almanac model
Percentiles compare this race against all 224 U.S. marathons in the Almanac.
Course profile
200 ft gain · -3,600 ft net
Net downhill course, point-to-point.
0510152026.2
Race-day weather
Modeled from location, month and coastal proximity, not verified race history.
6 AM
52°
Start
60°
Midday
71°
ExcellentGoodWarmHeat risk
Typical start sits at 60°F, warm for racing.
Typical dew point 48°F, 16% chance of precipitation, wind around 7 mph. All modeled.
The bottom line
This is a course built to give time back.
Big Sky Marathon is a strong choice for a fast time on tired legs, and the route gives back elevation for most of the 26.2 miles. The tradeoff is atmosphere: expect long quiet stretches and few spectators.
Why runners choose this race
A point-to-point course around Ennis, MT, that gives back elevation for most of the race.
The case for it
- PR attempts
- Boston qualification
- Runners who care about scenery
- Runners who want a low-key start
The tradeoffs
- You want crowds and on-course energy
Course and logistics
- Course type
- Point-to-Point
- Surface
- Road
- Profile
- Net downhill
- Total gain
- 200 ft(estimated)
- Total loss
- 3,800 ft(estimated)
- Net elevation
- -3,600 ft(estimated)
- Field size
- ~300 runners(estimated)
- Crowd support
- Quiet, low-key
- Entry
- Moderate
- Entry fee
- $100(most recent listed price)
- Day of week
- Sunday
- Start / finish
- Start and finish in different locations
Race details
- Typical timing
- Mid-July
- Next confirmed date
- Sunday, July 11, 2027
- Registration
- Open now
- Region
- Mountain West
- Editorial tier
- Recommended
- Data last reviewed
- 2026-08-26
- Best for PR
- Boston Qualifier
- Scenic
- Point-to-point
- Net downhill
Similar races
Races with a comparable profile.
- Weather
- 58°Ftypical startModelled estimate
- Field size
- ~3,000 runners
- Course
- Net downhill
- Elevation
- 50 ft gain · -5,200 ft net
Wasatch Mountain canyon descent
PR9Weather8Experience8
- Weather
- 58°Ftypical startModelled estimate
- Field size
- ~1,000 runners
- Course
- Net downhill
- Elevation
- 50 ft gain · -3,500 ft net
Monte Cristo highway descent; major BQ rate
PR9Weather8Experience7