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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
Contribute Details
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
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Radar Time
x Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
  • Snowmobile
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
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      Activities Click to view
      Region Details
      • 45
      • 26
      • 41
      • 25
      • 29
      • 12
      • 2

      Region Status
      Caution as of 1 day
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      325
      Trails Mountain Bike
      180
      Trails E-Bike
      73
      Trails Horse
      111
      Trails Hike
      315
      Trails Trail Running
      315
      Trails Dirtbike/Moto
      2
      Trails Observed Trials
      2
      Trails ATV/ORV/OHV
      2
      Trails Snowshoe
      1
      Total Distance
      272 miles
      Total Descent
      48,428 ft
      Total Vertical
      3,408 ft
      Highest Trailhead
      8,476 ft
      Reports
      8,389
      Photos
      437
      Ridden Counter
      84,030
      Sub Regions

      Photos of Boulder Mountain Bike

      7 |
      Nov 29, 2023 @ 12:13pm
      Nov 29, 2023
      trail: Canyon Loop
      13 |
      Nov 29, 2023 @ 12:12pm
      Nov 29, 2023
      trail: Canyon Loop
      15 |
      Nov 29, 2023 @ 12:12pm
      Nov 29, 2023
      305 |
      Mar 9, 2019 @ 7:47am
      Mar 9, 2019
      773 |
      Mar 9, 2019 @ 7:37am
      Mar 9, 2019
      trail: Canyon Loop
      611 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018
      trail: Fourmile Link
      374 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018
      504 |
      Jun 6, 2017 @ 1:31pm
      Jun 6, 2017

      Videos of Boulder Mountain Bike

      TA - 1.0
      trail: Deadass
      17 | Jan 12, 2024
      David Lee Roth trail
      47 | Nov 8, 2023
      Valmont Slopestyle jump line
      trail: Slopestyle
      3 | Nov 8, 2023
      STEEZL - a 155mm Steel Enduro Race Weapon
      | Mar 4, 2023
      STEEZL - a 155mm Steel Enduro Race Weapon
      | Mar 3, 2023
      Moon Booter
      | Mar 28, 2022
      Hot-Lap
      trail: Hot Lap
      4:02 | 244 | Jun 3, 2020
      Friday Fail May 2020
      0:17 | 650 | May 8, 2020

      Current Trail Warnings

      statustraildateconditionuserinfo
      Slopestyle
      Feb 27, 2024 @ 8:05am
      2 days
      Snow CoveredWendyBMA BMA Closed for winter conditions. Will update...
      Pump Track (large)
      Feb 27, 2024 @ 8:05am
      2 days
      Snow CoveredWendyBMA BMA Closed for winter conditions. Will update...
      Dirt Jumps
      Feb 27, 2024 @ 8:05am
      2 days
      Snow CoveredWendyBMA BMA Closed for winter conditions. Will update...

      Recent Trail Reports

      statustraildateconditioninfouser
      Springbrook South
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA
      Springbrook North Rd
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA
      Springbrook North
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA
      Prairie Vista
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA
      Springbrook Connector
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA
      Meadowlark Trail
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA
      Mayhoffer-Singletree (County)
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA
      Mayhoffer Singletree (City)
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA
      Marshall Valley
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA
      High Plains
      Feb 28, 2024 @ 11:55am
      1 day
      Unknown Trail is open. Please update conditions...WendyBMA BMA

      Activity Feed

      usernameactiontypetitledate
      WendyBMAaddreportactivity #49617247 and 20 more
      Feb 28, 2024 @ 11:54am
      1 day
      WendyBMAaddreportactivity #49617121 and 12 more
      Feb 28, 2024 @ 11:23am
      1 day
      Abroatchriddentrailactivity #49589286
      Feb 27, 2024 @ 1:30pm
      2 days
      themangoemojiaddreportactivity #49588290
      Feb 27, 2024 @ 10:36am
      2 days
      WendyBMAaddreportactivity #49587463 and 15 more
      Feb 27, 2024 @ 8:05am
      2 days

      Recent Comments

      usernametypetitlecommentdate
      JrhockneytrailBrown TownI've ridden this a few times since my first...
      Jan 10, 2024 @ 12:04pm
      Jan 10, 2024
      ronbronxEneVKtrailBetasso LinkIt's a beast! To much for my old body right...
      Nov 23, 2023 @ 8:28am
      Nov 23, 2023
      stevemokantrailBon ScottUnfortunately some people are building alt...
      Nov 21, 2023 @ 2:53pm
      Nov 21, 2023
      olafthemoosetrailBrown TownNot worth the climb up. Take bon Scott
      Sep 8, 2023 @ 8:11am
      Sep 8, 2023
      olafthemoosetrailDavid Lee RothThe only trail worth riding at left hand
      Sep 8, 2023 @ 8:10am
      Sep 8, 2023

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike180171 miles23,806 ft75 miles3,123 ft
      #98#433478,2492885,361
      E-Bike7397 miles4,941 ft41 miles3,123 ft
      #170#524,7912,131
      Horse11196 miles13,688 ft44 miles2,979 ft
      #64#541,427141
      Hike315270 miles47,106 ft118 miles3,409 ft
      #86#46907,079299,131
      Trail Running315270 miles47,106 ft118 miles3,409 ft
      #87#457,079279,799
      Dirtbike/Moto27 miles1,260 ft5 miles791 ft
      1,21214
      Observed Trials27 miles1,260 ft5 miles791 ft
      152
      ATV/ORV/OHV27 miles1,260 ft5 miles791 ft
      1,2121
      Snowshoe1899 ft43 ft
      21710
      • By canadaka Trailforks & contributors
      • Admins: WendyBMA, BMA, darmabum, getvert, mpopetz, Pumpntrail, Iowegian
      • #4922 - 27,486 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Boulder.
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