

CITY TO SKY TRAIL RACES 2026
- Date
- Sunday, October 18, 2026
- Start time
- 7:00 AM start (Denver)
- Location
- Missoula, Montana
- Entry fee
- From $145
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
Registration is open.
Likely to sell out. 180 finished the Ultra in 2025, and this year's cap is 175.
We earn a small commission when you register through this link, at no cost to you. Details
Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| City to Sky 50K | Ultra | Oct 18, 20267:00 AM | $155 | 175 |
| City to Sky 25K | Other | Oct 18, 20268:15 AM | $145 | 125 |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- City to Sky 50K: $155 until Oct 14.
- City to Sky 25K: $145 until Oct 14.
Online registration closes Oct 14, 2026, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 7:56 AM, and the City to Sky 50K starts at 7:00 AM. The start sits about 4,100 feet above sea level, high enough that most runners from lower ground run noticeably slower.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
Dornblaser-Lewis and Clark Stadium – University of Montana, Missoula, MT 59802
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2025 results
All results (3 years)City to Sky 50K
City to Sky 25K
Aggregated from official results (Competitive Timing) for CITY TO SKY TRAIL RACES. Individual finisher names are not stored here.
How fast do you need to be at CITY TO SKY TRAIL RACES?
At the 2025 City to Sky 50K, the fastest tenth finished in 5:56:54 or better, the top quarter in 6:42:59, and half the field in 7:30:55; the last tenth came in after 9:30:06.
At the 2025 City to Sky 25K, the fastest tenth finished in 2:45:38 or better, the top quarter in 3:06:40, and half the field in 3:35:04; the last tenth came in after 4:42:17.
| Age | Women | Men |
|---|---|---|
| Under 20 | n/a | 7:05:23 |
| 20-29 | 6:25:12 | 5:09:55 |
| 30-39 | 6:04:42 | 5:45:46 |
| 40-49 | 7:15:51 | 6:01:42 |
| 50-59 | n/a | 7:33:47 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
What would my time get me?
Where a finish time would have placed in 2025.
Finishers by year
Up 173 percent since 2023.
All events combined, from official results.
CITY TO SKY TRAIL RACES Ultra year by year
From 2023 to 2025, the field went from 103 to 180 finishers, and the median time rose from 7:02:25 to 7:30:55.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2025 | 180 (+1%) | 7:30:55 | under 5:56:54 | 4:55:33 |
| 2024 | 178 (+73%) | 7:27:07 | under 6:01:33 | 4:13:57 |
| 2023 | 103 | 7:02:25 | under 5:52:32 | 4:53:16 |
From each year's official results for the Ultra; virtual options are left out.
Typical race-day weather
Around October 18 the day usually runs from 36°F at dawn to 52°F in the afternoon, with measurable rain on about 27% of days. Cold snaps dip to 26°F and hot years reach 65°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- Dornblaser-Lewis and Clark Stadium – University of Montana, Missoula, MT 59802Map
- Course
- Trail
- Start elevation
- About 4,100 feet
- Included with entry
- Relaxed Fit, Crew Neck FINISHER T-Shirt
- Donations
- Accepted when you register
- Distances
- Ultra, Other
- Editions
- 2026 (Oct 18, 2026), 2025 (Oct 19, 2025), 2024 (Oct 20, 2024), 2023 (Oct 15, 2023)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is CITY TO SKY TRAIL RACES?
- Sunday, October 18, 2026, starting at 7:00 AM.
- How much does it cost?
- Entry starts at $145 before processing fees.
- When does registration close?
- Online registration closes Oct 14, 2026, unless the race fills first.
- Do runners get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances can I run?
- Ultra, Other.
- How big is it, and how fast?
- In 2025, 180 runners finished the City to Sky 50K; the median finish was 7:30:55 and the winner ran 4:55:33.
- Does it sell out?
- It can. 180 runners finished the Ultra in 2025, close to this year's cap of 175, so register early.
- Where does it start?
- Dornblaser-Lewis and Clark Stadium – University of Montana, Missoula, MT 59802.
From the organizers
This unique trail race starts and finishes near Missoula’s University District and features multiple mountain summits totaling 8,000+ feet of vertical elevation and exploring many of Missoula’s iconic open space and conservation lands circumnavigating the Pattee Creek Watershed. It highlights the best of Missoula’s open space and urban recreation areas and boasts less than two miles of pavement.