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518 ft
Distance
-48 ft
Descent
00:00:15
Avg time
-50 ft
Altitude change
1,354 ft
Altitude min
1,405 ft
Altitude max
1,405 ft
Altitude start
1,355 ft
Altitude end
-9.7%
Grade
-18.4%
Grade max
-3.2%
Grade min
518 ft
Distance down
00:00:15
Avg time
Prepwork Details
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Activities
- Mountain Bike
- E-Bike
- Gravel Bike
- Horse
- Hike
- Trail Running
- Dirtbike/Moto
- ATV/ORV/OHV
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Riding AreaMarr Ranch Open Space
Simi Valley, California -
Difficulty Rating
-
Local Popularity45 in Mountain Biking [+]
- 45 in E-Biking
- 5 in Trail Running
- 100 in Hiking
- 5 in Dirtbiking
- 5 in ATVing/Offroading
- 5 in Horseback
- 5 in Gravel Biking
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Trail TypeDoubletrack
-
Bike TypeGravel
-
DirectionBoth Directions
-
Climb DifficultyGreen
-
Physical RatingEasy
-
Trail VisibilityAlways easy to follow
-
Dogs AllowedYes
-
eBike Allowed
No community description for Prepwork trail has been added yet!
AI Generated Description
Prepwork is a 518 ft moderately popular connector doubletrack trail located near Simi Valley California. This mountain bike primary trail can be used both directions and has a easy overall physical rating with a 0 ft green climb. Trail visibility is always easy to follow. On average it takes minutes to complete this trail.
Local Trail Association
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-
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Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 0 rides
All
- 7 rides
- Last: Oct 19, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Prepwork Trail Reports
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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 activity logs 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 users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
Trailforks scans activity logs 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 activity logs 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 activities = more kinetic energy = warmer colors.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
?
Activity Recordings
Trailforks uses anonymized public activity data.
?
Winter Trails
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A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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 users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Slope Aspect
Direction the slope faces
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Directions to prepwork trailhead
(34.304220, -118.707830)
Photos
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Videos
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Nearby Trails
- Canyon Access 0 ft
- Helipad Hill 3 ft
- Goin Down 407 ft
- Chopper 476 ft
- Barbed Wire 1,234 ft
Marr Ranch Open Space
- By mtbcommunity-com
& contributors - #503032 - 240 views
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