

Big SKY Biggie 2027
- Date
- Race weekend: Friday to Saturday, August 27 to 28, 2027
- Start time
- 6:30 PM start (Denver)
- Location
- Big Sky, Montana
- Entry fee
- From $65 · goes up to $80 on Apr 1, 2027
- Fundraising
- Takes optional donations when you register
Check registration status on RunSignup.
Likely to sell out. 270 finished the Mountain Bike in 2026, and this year's cap is 300.
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 |
|---|---|---|---|---|
| Friday, Aug 27, 2027 | ||||
| FREE Kids Race (ages 4-9) | Mountain Bike | Aug 27, 20276:30 PM | Free | – |
| Saturday, Aug 28, 2027 | ||||
| 15 Mile | Mountain Bike | Aug 28, 20278:00 AM | $65$80 after Apr 1, 2027 | 300 |
| 15 Mile - Para-Cyclist | Mountain Bike | Aug 28, 20278:00 AM | $65$80 after Apr 1, 2027 | – |
| 15 Mile - Singlespeed | Mountain Bike | Aug 28, 20278:00 AM | $65$80 after Apr 1, 2027 | – |
| 30 Mile | Mountain Bike | Aug 28, 20278:00 AM | $120$150 after Apr 1, 2027 | 500 |
| 30 Mile - Para-Cyclist | Mountain Bike | Aug 28, 20278:00 AM | $120$150 after Apr 1, 2027 | – |
| 30 Mile - Singlespeed | Mountain Bike | Aug 28, 20278:00 AM | $120$150 after Apr 1, 2027 | – |
| 50 Mile | Mountain Bike | Aug 28, 20278:00 AM | $140$170 after Apr 1, 2027 | 200 |
| 50 Mile - Para-Cyclist | Mountain Bike | Aug 28, 20278:00 AM | $140$170 after Apr 1, 2027 | – |
| 50 Mile - Singlespeed | Mountain Bike | Aug 28, 20278:00 AM | $140$170 after Apr 1, 2027 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- FREE Kids Race (ages 4-9): Free until Aug 27.
- 15 Mile and 15 Mile - Para-Cyclist and 15 Mile - Singlespeed: $65 until Apr 1, then $80 until Aug 28.
- 30 Mile and 30 Mile - Para-Cyclist and 30 Mile - Singlespeed: $120 until Apr 1, then $150 until Aug 28.
- 50 Mile and 50 Mile - Para-Cyclist and 50 Mile - Singlespeed: $140 until Apr 1, then $170 until Aug 28.
Online registration closes Aug 28, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 6:40 AM, and the FREE Kids Race (ages 4-9) starts at 6:30 PM. The start sits about 7,320 feet above sea level, high enough that most athletes from lower ground race noticeably slower.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
Town Center (Meadow Village), Big Sky, MT 59716
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2026 results
All results (2 years)30 Mile
15 Mile
50 Mile
Aggregated from official results (Competitive Timing) for BIG SKY BIGGIE. Individual finisher names are not stored here.
How fast do you need to be at BIG SKY BIGGIE?
At the 2026 30 Mile, the fastest tenth finished in 3:12:35 or better, the top quarter in 3:44:38, and half the field in 4:22:43; the last tenth came in after 5:39:51.
At the 2026 15 Mile, the fastest tenth finished in 1:27:04 or better, the top quarter in 1:38:33, and half the field in 1:53:00; the last tenth came in after 2:43:51.
At the 2026 50 Mile, the fastest tenth finished in 4:55:24 or better, the top quarter in 5:22:20, and half the field in 5:55:43; the last tenth came in after 7:22:45.
| Age | Women | Men |
|---|---|---|
| Under 20 | 3:30:42 | 2:48:27 |
| 20-29 | 3:30:21 | 3:40:55 |
| 30-39 | 4:38:14 | 3:22:13 |
| 40-49 | 3:44:19 | 3:14:33 |
| 50-59 | 4:15:44 | 3:26:25 |
| 60-69 | n/a | 3:54:20 |
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 2026.
Finishers by year
Down 7 percent since 2025.
All events combined, from official results.
BIG SKY BIGGIE Mountain Bike year by year
From 2025 to 2026, the field went from 308 to 270 finishers, and the median time rose from 4:06:32 to 4:22:43.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 270 (-12%) | 4:22:43 | under 3:12:35 | 2:40:30 |
| 2025 | 308 | 4:06:32 | under 3:13:22 | 2:37:35 |
From each year's official results for the Mountain Bike; virtual options are left out.
Typical race-day weather
Around August 27 the day usually runs from 43°F at dawn to 64°F in the afternoon, with measurable rain on about 23% of days. Cold snaps dip to 37°F and hot years reach 70°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
- Town Center (Meadow Village), Big Sky, MT 59716Map
- Course
- Trail
- Start elevation
- About 7,320 feet
- Donations
- Accepted when you register
- Distances
- Mountain Bike
- Editions
- 2027 (Aug 28, 2027), 2026 (Aug 22, 2026), 2025 (Aug 23, 2025), 2024 (Aug 17, 2024), 2023 (Aug 26, 2023), 2022 (Aug 27, 2022)
Organize this race? Add details or a correction
Quick answers
- When is BIG SKY BIGGIE?
- It is a race weekend, Friday to Saturday, August 27 to 28, 2027: Mountain Bike on Friday; Mountain Bike on Saturday.
- How much does it cost?
- Entry starts at $65 before processing fees, and rises to $80 on Apr 1, 2027.
- When does registration close?
- Online registration closes Aug 28, 2027, unless the race fills first.
- 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 are offered?
- Mountain Bike.
- How big is it, and how fast?
- In 2026, 270 athletes finished the 30 Mile; the median finish was 4:22:43 and the winner finished in 2:40:30.
- Does it sell out?
- It can. 270 athletes finished the Mountain Bike in 2026, close to this year's cap of 300, so register early.
- Where does it start?
- Town Center (Meadow Village), Big Sky, MT 59716.
From the organizers
The BIG SKY BIGGIE is an annual mountain bike race in the heart of Big Sky, Montana.
Taking place on Saturday, August 28, 2026 choose from three distances - 50 miles, 30 miles, 15 miles.
Starting in Big Sky’s Town Center (Meadow Village) and climbing up to Lone Peak and Buck Ridge, riders will connect on some of the area’s most exhilarating (and challenging) pieces of single-track, double-track, gravel roads and the occasional paved segment.
This is a true community event, celebrating the joy of riding mountain bikes - at ANY skill level.
Proceeds benefit the Big Sky Community Organization and SWMMBA-Big Sky Chapter.