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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.
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
Max Vehicle Width
inches
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
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.
Only show trails with NO bikes.
Marshall Mesa is right next to Doudy Draw but is a less technical option. There are some technical spots here and there. This also includes the route Dirty Bismark route.
Primary Trail Type: Cross-Country
Land Status: City Managed
google parking directions Activities Click to view
- Mountain Bike
19 trails
- E-Bike
2 trails
- Hike
21 trails
- Trail Running
21 trails
Region Details
- 15
- 4
Region Status
Open as of Apr 20, 2022
Stats
- Avg Trail Rating
- Trails (view details)
- 20
- Trails Mountain Bike
- 20
- Trails E-Bike
- 2
- Trails Hike
- 21
- Trails Trail Running
- 21
- Trails Horse
- 3
- Total Distance
- 30 miles
- Total Descent
- 1,295 ft
- Total Vertical
- 731 ft
- Highest Trailhead
- 6,246 ft
- Reports
- 1,807
- Photos
- 56
- Ridden Counter
- 12,559
Popular Marshall Mesa/Doudy Draw/Flatirons Vista Trails
Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| Marshall Mesa Doudy Draw Loop | 12 miles | |
| Dirty Bismark | 15 miles | |
| Marshall Mesa - Beginner Loop | 5 miles | |
| Marshall Mesa Beginner Ride | 5 miles | |
| Dirty South | 22 miles | |
| Marshall Mesa Short Loop | 3 miles | |
| Spring Brook Loop | 5 miles | |
| Flatirons Vista Loop | 3 miles | |
| Flatirons Vista Beginner Ride | 5 miles |
Photos of Marshall Mesa/Doudy Draw/Flatirons Vista Mountain Bike
trail: Coal Seam
56 |
Aug 26, 2021 @ 7:18pm
Aug 26, 2021
trail: Coal Seam
43 |
Aug 26, 2021 @ 7:18pm
Aug 26, 2021
trail: Doudy Draw
44 |
Jun 21, 2021 @ 6:36am
Jun 21, 2021
trail: Doudy Draw
21 |
Jun 21, 2021 @ 6:36am
Jun 21, 2021
trail: Springbrook North
24 |
Jun 21, 2021 @ 6:35am
Jun 21, 2021
trail: Doudy Draw
42 |
Jun 21, 2021 @ 6:35am
Jun 21, 2021
trail: Mayhoffer Singletree (City)
372 |
Jun 6, 2017 @ 1:31pm
Jun 6, 2017Videos of Marshall Mesa/Doudy Draw/Flatirons Vista Mountain Bike
youtuber
![CO MTB | | Checking out the reworked upper...]()
trail: Doudy Draw
5:39 |
991 |
Jun 7, 2019 , Boulder
youtuber
![CO MTB | | Boulder | Doudy Draw Descent]()
trail: Doudy Draw
3:01 |
403 |
Jun 7, 2019 , Boulder
youtuber
![Mountain Bike Night Riding Halloween Special]()
13:53 |
294 |
Oct 31, 2017
youtuber
![Night riding Springbrook and Dowdy Draw with...]()
trail: Springbrook North
5:01 |
340 |
Sep 15, 2018 , Boulder
trail: Doudy Draw
561 |
Jun 20, 2017 , Boulder
trail: Springbrook Connector
318 |
Jun 20, 2017 , Boulder
trail: Springbrook South
385 |
Jun 20, 2017 , Boulder
youtuber
![Mountain Biking Spring Brook / Doudy Draw in...]()
trail: Springbrook North
509 |
Jun 20, 2017 , Boulder
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| Marshall Valley | May 14, 2022 @ 3:09pm May 14, 2022 | Dry | jacobdko | ||
| Cowdrey Draw | May 14, 2022 @ 3:09pm May 14, 2022 | Dry | jacobdko | ||
| Mayhoffer Singletree (City) | May 14, 2022 @ 3:09pm May 14, 2022 | Dry | jacobdko | ||
| Mayhoffer-Singletree (County) | May 14, 2022 @ 3:09pm May 14, 2022 | Dry | jacobdko | ||
| Meadowlark Trail | May 14, 2022 @ 3:09pm May 14, 2022 | Dry | jacobdko | ||
| Coalton | May 14, 2022 @ 3:09pm May 14, 2022 | Dry | jacobdko | ||
| Coal Seam | May 14, 2022 @ 3:09pm May 14, 2022 | Dry | jacobdko | ||
| Community Ditch - West | May 11, 2022 @ 3:58pm May 11, 2022 | Dry | WendyBMA BMA | ||
| Springbrook North | May 11, 2022 @ 3:58pm May 11, 2022 | Dry | WendyBMA BMA | ||
| Springbrook South | May 11, 2022 @ 3:58pm May 11, 2022 | Dry | WendyBMA BMA |
Activity Feed
| username | action | type | title | date | |
|---|---|---|---|---|---|
 | Kathrynscott | wishlist | trail | Flatirons Vista Rd | May 21, 2022 @ 3:03pm 2 days |
| Zman1515 | wishlist | route | Dirty Bismark | May 19, 2022 @ 8:20pm May 19, 2022 |
| AlexeomPa0 | ridden | trail | Flatirons Vista Rd and 7 more | May 18, 2022 @ 7:04pm May 18, 2022 |
| jacobdko | add | report | Marshall Valley and 6 more | May 14, 2022 @ 6:08pm May 14, 2022 |
 | WendyBMA | add | report | Coal Seam and 4 more | May 12, 2022 @ 6:43am May 12, 2022 |
Recent Comments
| username | type | title | comment | date | |
|---|---|---|---|---|---|
 | trail | Closed | Apr 18, 2022 @ 8:51pm Apr 18, 2022 | ||
| report | Thanks for the alert (with pictures!), I've... | Nov 14, 2021 @ 7:42pm Nov 14, 2021 | ||
| report | The entire Dirty Bismark Loop was in great... | May 29, 2021 @ 2:11pm May 29, 2021 | ||
 | report | Again, a slopfest south of the intersection... | Apr 29, 2021 @ 7:14pm Apr 29, 2021 | ||
| report | Awful. Should not have been reopened. Entire... | Apr 29, 2021 @ 7:11pm Apr 29, 2021 |
Nearby Areas
| name | distance | ||||
|---|---|---|---|---|---|
| CU South Campus | 5 | 1 | 3 km | ||
| Davidson Mesa | 3.1 km | ||||
| Coyote Ridge | 6 | 2 | 3.3 km | ||
| Rocky Flats | 4 | 3.4 km | |||
| Boulder Open Space | 1 | 5 km |
Local Products
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 19 | 29 miles | 1,296 ft | 8 miles | 732 ft | #421 | #213 | 53 | 1,852 | 9 | 10,218 | |
| E-Bike | 2 | 3 miles | 292 ft | 2 miles | 223 ft | #1,695 | #390 | 1,705 | 43 | |||
| Hike | 21 | 30 miles | 1,296 ft | 8 miles | 732 ft | #294 | #174 | 3 | 1,856 | 7 | 196 | |
| Trail Running | 21 | 30 miles | 1,296 ft | 8 miles | 732 ft | #296 | #173 | 1,856 | 7 | 234 | ||
| Horse | 3 | 4 miles | 187 ft | 1 mile | 669 ft | 567 | 6 | 1 |
- By mtbyetico
& contributors - Admins: WendyBMA, BMA, darmabum, getvert, jgebben, mpopetz, Pumpntrail, Iowegian, WendyBMA, stanneedle
- #18257 - 9,982 views
- marshall mesa/doudy draw/flatirons vista activity log | embed map of Marshall Mesa/Doudy Draw/Flatirons Vista mountain bike trails | marshall mesa/doudy draw/flatirons vista mountain biking points of interest
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