- Weather
- 61°Ftypical startModelled estimate
- Field size
- ~800 runners
- Course
- Hilly
- Elevation
- 7,800 ft gain · 0 ft net
Ascent to 14,115 ft summit and back
PR5Weather7Experience7
Early July · Mountain West · Loop
Madison Marathon
Ennis, MT · Saturday, July 10, 2027
Event: Madison Marathon (Full)
Registration opens on the organizer's site
Typical start
60°
Cooler than 7% of U.S. marathons
Modeled historical conditions
Elevation gain
1,800ft
Flatter than 2% of races
Estimated total climb
Field size
300
Larger than 0% of races
Estimated field
PR potential
2.8/10
Ahead of 0% of races
Almanac model
Percentiles compare this race against all 224 U.S. marathons in the Almanac.
Course profile
1,800 ft gain · 0 ft net
Hilly course, loop.
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 one is about the day, not the clock.
Madison Marathon is a strong choice for runners who like a course with real character, and the climbing is the point here. The tradeoff is atmosphere: expect long quiet stretches and few spectators.
Why runners choose this race
A loop course around Ennis, MT, with real climbing that will cost you time if you race it hard early.
The case for it
- Runners who want a low-key start
The tradeoffs
- You want crowds and on-course energy
- You are chasing a flat-course PR
- You have not trained at altitude
Course and logistics
- Course type
- Loop
- Surface
- Road
- Profile
- Hilly
- Total gain
- 1,800 ft(estimated)
- Total loss
- 1,800 ft(estimated)
- Net elevation
- 0 ft(estimated)
- Field size
- ~300 runners(estimated)
- Crowd support
- Quiet, low-key
- Entry
- Hard
- Entry fee
- $100(most recent listed price)
- Day of week
- Saturday
- Start / finish
- Start and finish in the same area
Race details
- Typical timing
- Early July
- Next confirmed date
- Saturday, July 10, 2027
- Registration
- Open now
- Region
- Mountain West
- Editorial tier
- Recommended
- Data last reviewed
- 2026-08-26
- Loop course
- Hilly course
Similar races
Races with a comparable profile.
- Weather
- 37°Ftypical startModelled estimate
- Field size
- ~500 runners
- Course
- Hilly
- Elevation
- 1,100 ft gain · 0 ft net
Event listed as: Marathon
PR5Weather9Experience7
- Weather
- 55°Ftypical startModelled estimate
- Field size
- ~400 runners
- Course
- Hilly
- Elevation
- 800 ft gain · 0 ft net
Event: Durango Marathon
PR5Weather9Experience6