Buffalo Bicycle Classic
Buffalo Bicycle Classic logo

2021 - Buffalo Bicycle Classic

Boulder, Colorado, United States View on map
Sep 12, 2021 (America/Denver local time)
Cycling

2021 distances

Cycling

35 Mile Mary's Loop -PLEDGE PACKAGE

https://www.colorado.edu/event/buffalobicycleclassic/courses If you choose the PLEDGE PACKAGE, you commit to raising $265 in pledges by ride day. When you complete your registration, your credit card will only be charged $35. In your confirmation email, you will get a link to your personal pledge page. You can send this link to others or share it on Facebook. *In order to pick up your bib, pledgers must have raised a minimum of $60 to pick up merchandise, pledgers must have raised their fundraising minimum of $265.

Sep 12, 2021 Ultra 8:30 AM
$35.00
Closed

50 Mile Half Century - PLEDGE PACKAGE

https://ridewithgps.com/routes/29149561 If you choose the PLEDGE PACKAGE, you commit to raising $265 in pledges by ride day. When you complete your registration, your credit card will only be charged $35. In your confirmation email, you will get a link to your personal pledge page. You can send this link to others or share it on Facebook. *In order to pick up your bib, pledgers must have raised a minimum of $60 to pick up merchandise, pledgers must have raised their fundraising minimum of $265.

Sep 12, 2021 Ultra 8:30 AM
$35.00
Closed

70 Mile Carter Lake Climb - PLEDGE PACKAGE

https://ridewithgps.com/routes/29178324 If you choose the PLEDGE PACKAGE, you commit to raising $265 in pledges by ride day. When you complete your registration, your credit card will only be charged $35. In your confirmation email, you will get a link to your personal pledge page. You can send this link to others or share it on Facebook. *In order to pick up your bib, pledgers must have raised a minimum of $60 to pick up merchandise, pledgers must have raised their fundraising minimum of $265.

Sep 12, 2021 Ultra 8:00 AM
$35.00
Closed

100 Mile Foothills Century - PLEDGE PACKAGE

https://ridewithgps.com/routes/29178470 If you choose the PLEDGE PACKAGE, you commit to raising $265 in pledges by ride day. When you complete your registration, your credit card will only be charged $35. In your confirmation email, you will get a link to your personal pledge page. You can send this link to others or share it on Facebook. *In order to pick up your bib, pledgers must have raised a minimum of $60 to pick up merchandise, pledgers must have raised their fundraising minimum of $265.

Sep 12, 2021 Ultra 8:00 AM
$35.00
Closed

Epic 75 Mile - PLEDGE PACKAGE

https://ridewithgps.com/routes/35381033 Our Epic and Epic 75 routes will include the iconic Boulder Canyon climb to Nederland with a westbound traffic closure, and the beautiful ride north along the Peak-to-Peak highway. This year’s Epic routes need to be adjusted because of planned road construction on CO Route 7 in St. Vrain Canyon between Allenspark and Lyons. If you choose the PLEDGE PACKAGE, you commit to raising $265 in pledges by ride day. When you complete your registration, your credit card will only be charged $35. In your confirmation email, you will get a link to your personal pledge page. You can send this link to others or share it on Facebook. *In order to pick up your bib, pledgers must have raised a minimum of $60 to pick up merchandise, pledgers must have raised their fundraising minimum of $265.

Sep 12, 2021 Ultra 7:00 AM
$35.00
Closed

Buff Epic 100 Mile - PLEDGE PACKAGE

https://ridewithgps.com/routes/35319749 Our Epic and Epic 75 routes will include the iconic Boulder Canyon climb to Nederland with a westbound traffic closure, and the beautiful ride north along the Peak-to-Peak highway. This year’s Epicroutes need to be adjusted because of planned road construction on CO Route 7 in St. Vrain Canyon between Allenspark and Lyons. If you choose the PLEDGE PACKAGE, you commit to raising $265 in pledges by ride day. When you complete your registration, your credit card will only be charged $35. In your confirmation email, you will get a link to your personal pledge page. You can send this link to others or share it on Facebook. *In order to pick up your bib, pledgers must have raised a minimum of $60 to pick up merchandise, pledgers must have raised their fundraising minimum of $265.

Sep 12, 2021 Ultra 7:00 AM
$35.00
Closed

35 Mile Mary's Loop

https://ridewithgps.com/routes/29148595

Sep 12, 2021 Ultra 8:30 AM
$135.00
Closed

50 Mile Half Century

https://ridewithgps.com/routes/29149561

Sep 12, 2021 Ultra 8:30 AM
$135.00
Closed

70 Mile Carter Lake Climb

https://ridewithgps.com/routes/29178324

Sep 12, 2021 Ultra 8:00 AM
$135.00
Closed

100 Mile Foothill Century

https://ridewithgps.com/routes/29178470

Sep 12, 2021 Ultra 8:00 AM
$135.00
Closed

Epic 75 Mile

https://ridewithgps.com/routes/35381033 Our Epic 75 routes will include the iconic Boulder Canyon climb to Nederland with a westbound traffic closure, and the beautiful ride north along the Peak-to-Peak highway. This year’s Epic routes need to be adjusted because of planned road construction on CO Route 7 in St. Vrain Canyon between Allenspark and Lyons.

Sep 12, 2021 Ultra 7:00 AM
$135.00
Closed

Buff Epic 100 Mile

https://ridewithgps.com/routes/35319749 Our Epic and Epic 75 routes will include the iconic Boulder Canyon climb to Nederland with a westbound traffic closure, and the beautiful ride north along the Peak-to-Peak highway. This year’s Epic routes need to be adjusted because of planned road construction on CO Route 7 in St. Vrain Canyon between Allenspark and Lyons.

Sep 12, 2021 Ultra 7:00 AM
$135.00
Closed

Little Buff - CHILD

https://ridewithgps.com/routes/32314777

Sep 12, 2021 22.5K 10:30 AM
$40.00
Closed

Little Buff - ADULT

https://ridewithgps.com/routes/32314777

Sep 12, 2021 22.5K 10:30 AM
$95.00
Closed

Gravel biking

Dirty Buff 44 Mile - PLEDGE PACKAGE

https://ridewithgps.com/routes/29761064 If you choose the PLEDGE PACKAGE, you commit to raising $265 in pledges by ride day. When you complete your registration, your credit card will only be charged $35. In your confirmation email, you will get a link to your personal pledge page. You can send this link to others or share it on Facebook. *In order to pick up your bib, pledgers must have raised a minimum of $60 to pick up merchandise, pledgers must have raised their fundraising minimum of $265.

Sep 12, 2021 Ultra 8:00 AM
$35.00
Closed

Dirty Epic 55 Mile PLEDGE PACKAGE

https://ridewithgps.com/routes/36460075 Are you buff enough to ride the Dirty Epic gravel ride? It goes up Boulder Canyon and Peak to Peak highway and hits some gravel roads along the way. This gravel ride is for the experienced riders! If you choose the PLEDGE PACKAGE, you commit to raising $265 in pledges by ride day. When you complete your registration, your credit card will only be charged $35. In your confirmation email, you will get a link to your personal pledge page. You can send this link to others or share it on Facebook. *In order to pick up your bib, pledgers must have raised a minimum of $60 to pick up merchandise, pledgers must have raised their fundraising minimum of $265.

Sep 12, 2021 Ultra 7:00 AM
$35.00
Closed

Dirty Buff 44 Miles

https://ridewithgps.com/routes/29761064

Sep 12, 2021 Ultra 8:00 AM
$135.00
Closed

Dirty Epic 55 Miles

https://ridewithgps.com/routes/36460075 Are you buff enough to ride the Dirty Epic gravel ride? It goes up Boulder Canyon and Peak to Peak highway and hits some gravel roads along the way. This gravel ride is for the experienced riders!

Sep 12, 2021 Ultra 7:00 AM
$135.00
Closed

Race-day weather

Conditions on September 12, 2021 — historical Open-Meteo data.

Temp (°C)
Minimum temperature (recorded on race day) 15.3° / Maximum temperature (recorded on race day) 26.4°
Feels Like (°C)
Minimum feels like — heat index / wind chill (recorded on race day) 15.3° / Maximum feels like — heat index / wind chill (recorded on race day) 26.4°
Peak wind (km/h)
Strongest wind of the day (recorded on race day)
15.5
Precip (mm)
Precipitation over the day (recorded on race day)
0.0mm
Humidity
Mean relative humidity (recorded on race day)
47.0%
Sunrise
Sunrise at the start line on September 12, 2021 (MDT)
Sunset
Sunset at the start line on September 12, 2021 (MDT)
Daylight
Hours between sunrise and sunset on race day
12h 34m

The sun rises at 6:39 AM and sets at 7:14 PM local time (MDT) in Boulder on September 12, 2021 — 12h 34m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

Reviews

Done this event?

If you've participated in this event, share your experience with other runners

Other races near Boulder

Different organizers, within 40 miles, in the next three months

Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 27 Boulder events

Spotted something wrong? Tell us and we'll fix it.