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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Inadequate
  • 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
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
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      Activities Click to view
      Region Details
      • 44
      • 25
      • 41
      • 24
      • 28
      • 13
      • 2

      Region Status
      Caution as of Dec 10, 2022
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      319
      Trails Mountain Bike
      178
      Trails E-Bike
      47
      Trails Horse
      110
      Trails Hike
      310
      Trails Trail Running
      310
      Trails Dirtbike/Moto
      2
      Trails Observed Trials
      2
      Trails ATV/ORV/OHV
      2
      Trails Snowshoe
      1
      Total Distance
      270 miles
      Total Descent
      48,980 ft
      Total Vertical
      3,408 ft
      Highest Trailhead
      8,476 ft
      Reports
      6,494
      Photos
      384
      Ridden Counter
      62,340
      Sub Regions

      Photos of Boulder Mountain Bike

      trail: ODB
      27 |
      Dec 17, 2022 @ 1:12pm
      Dec 17, 2022
      trail: ODB
      23 |
      Dec 17, 2022 @ 1:12pm
      Dec 17, 2022
      60 |
      Mar 9, 2019 @ 7:53am
      Mar 9, 2019
      248 |
      Mar 9, 2019 @ 7:47am
      Mar 9, 2019
      592 |
      Mar 9, 2019 @ 7:37am
      Mar 9, 2019
      trail: Canyon Loop
      488 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018
      trail: Fourmile Link
      303 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018
      431 |
      Jun 6, 2017 @ 1:31pm
      Jun 6, 2017

      Videos of Boulder Mountain Bike

      Moon Booter
      | Mar 28, 2022
      Hot-Lap
      trail: Hot Lap
      4:02 | 191 | Jun 3, 2020
      Friday Fail May 2020
      0:17 | 532 | May 8, 2020
      Friday Fail May 2020
      | May 8, 2020
      Friday Fails Submission
      trail: The Grind
      0:06 | 1060 | Mar 16, 2020
      Dual Slalom on the DJ
      0:41 | 160 | Feb 25, 2020
      Dirt Jumps
      trail: Dirt Jumps
      0:25 | 195 | Aug 7, 2019
      Dirt jumps
      trail: Dirt Jumps
      0:11 | 39 | Jun 2, 2019

      Current Trail Warnings

      statustraildateconditionuserinfo
      Walker Ranch Loop
      Jan 15, 2023 @ 1:39pm
      Jan 15, 2023
      IcyktourianHike Winter conditions- mixed clear, mud, ice
      Ethel Harrold
      Jan 15, 2023 @ 5:39am
      Jan 15, 2023
      IcyktourianHike Winter conditions- mixed clear, mud, ice

      Recent Trail Reports

      statustraildateconditioninfouser
      Brown Town
      Jan 18, 2023 @ 11:23am
      Jan 18, 2023
      Snow CoveredAbout 50/50 snow covered/dry. Wouldn't go...spencerimre
      GZA
      Jan 18, 2023 @ 11:21am
      Jan 18, 2023
      VariableDry with some hero dirt spots as of...spencerimre
      Fourmile Link
      Jan 18, 2023 @ 10:26am
      Jan 18, 2023
      Snow Packed From Betasso Ranger, Approximately 5”...WendyBMA BMA
      Loop Link
      Jan 18, 2023 @ 10:26am
      Jan 18, 2023
      Snow Packed From Betasso Ranger, Approximately 5”...WendyBMA BMA
      Canyon Loop
      Jan 18, 2023 @ 10:26am
      Jan 18, 2023
      Snow Packed From Betasso Ranger, Approximately 5”...WendyBMA BMA
      Bummers Rock Connector
      Jan 18, 2023 @ 10:26am
      Jan 18, 2023
      Snow Packed From Betasso Ranger, Approximately 5”...WendyBMA BMA
      Betasso Link
      Jan 18, 2023 @ 10:26am
      Jan 18, 2023
      Snow Packed From Betasso Ranger, Approximately 5”...WendyBMA BMA
      Bummers Rock Connector
      Jan 18, 2023 @ 10:26am
      Jan 18, 2023
      Snow Packed From Betasso Ranger, Approximately 5”...WendyBMA BMA
      Benjamin Loop
      Jan 18, 2023 @ 10:26am
      Jan 18, 2023
      Snow Packed From Betasso Ranger, Approximately 5”...WendyBMA BMA
      Left Hand
      Jan 17, 2023 @ 1:27pm
      Jan 17, 2023
      Unknown Trail is open. Please update conditions...WendyBMA BMA

      Activity Feed

      usernameactiontypetitledate
      user #3392827GameNitewishlistregionMarshall Mesa/Doudy Draw/Flatirons Vista
      Jan 30, 2023 @ 7:14am
      2 hours
      user #2499848PkfirecommenttrailThe Grind
      Jan 28, 2023 @ 9:39pm
      1 day
      user #2722792dstreesvotetrailSouth Boulder Creek Path and 3 more
      Jan 28, 2023 @ 6:39pm
      2 days
      user #2848347jacobdkoaddreportAmphitheater Trail and 3 more
      Jan 27, 2023 @ 7:52am
      Jan 27, 2023
      user #2752385spencerimredifficultyvotetrailHalfass
      Jan 26, 2023 @ 9:14am
      Jan 26, 2023

      Recent Comments

      usernametypetitlecommentdate
      user #2499848PkfiretrailThe GrindI thought this climb was called chunky boys...
      Jan 28, 2023 @ 9:39pm
      1 day
      user #2752385spencerimretrailGZAVery fun trail
      Jan 18, 2023 @ 11:21am
      Jan 18, 2023
      user #2984221JrhockneytrailBring Da RuckusI decided to hike up this to see how it was...
      Jan 15, 2023 @ 5:16pm
      Jan 15, 2023
      user #2752385spencerimretrailBring Da RuckusIn my opinion, this trail kind of sucks. At...
      Dec 2, 2022 @ 3:24pm
      Dec 2, 2022
      user #2984221JrhockneytrailGZANot nearly as loose, wasted, and gravelly as...
      Nov 27, 2022 @ 3:39pm
      Nov 27, 2022

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike178170 miles24,327 ft75 miles3,123 ft
      #99#413186,4092364,020
      E-Bike4752 miles3,081 ft23 miles3,005 ft
      #1,588#2953,8041,304
      Horse11094 miles13,944 ft44 miles2,979 ft
      #77#611,382141
      Hike310268 miles47,661 ft117 miles3,409 ft
      #86#44665,902295,556
      Trail Running310268 miles47,661 ft117 miles3,409 ft
      #89#445,902275,691
      Dirtbike/Moto27 miles1,260 ft5 miles791 ft
      1,20211
      Observed Trials27 miles1,260 ft5 miles791 ft
      102
      ATV/ORV/OHV27 miles1,260 ft5 miles791 ft
      1,2021
      Snowshoe1899 ft43 ft
      2178
      • By canadaka Trailforks & contributors
      • Admins: WendyBMA, BMA, darmabum, getvert, jgebben, mpopetz, Pumpntrail, Iowegian
      • #4922 - 22,123 views

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