HomeAll TrailsBoulder Evening Ride
Easy
Cycling
🇺🇸 United States
Recorded Trail

This track was recorded on the ground by an actual expedition vehicle.

ID: US-CO-03

Boulder Evening Ride

Added on 29 Sep 2026
Logged by @trailxon28 June 2019

Short evening ride across Boulder from Pearl East to Washington Village.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Use lights after dusk; multi-use paths are busy.

Weather check

At Start
1615m

Sampling Micro-Climate...

40.0212, -105.2391

Slide to preview conditions across the entire route • Point: 40.0212, -105.2391 @ 1615m

Quick Stats

Distance
9.65 km
Type
Cycling Sector
Elevation Range
1612m - 1663m
Max Elevation
1663 m
Max Gradient
5.3%
18.5%

Highlights

  • Boulder Creek Path
  • Flatirons

Field Radio Protocol

VHF-UHF Communication

Emergency Simplex
146.520MHz
Team Coordination
446.006MHz
Scout Primary
146.400MHz

Propagation Telemetry

Ridge Line

92%

Gorge Floor

18%

Sector Relay: Sector Alpha Relay• 12-18 KM Range

Regulatory Compliance

VHF/UHF frequencies are for monitoring and emergency coordination only. Transmitting on these bands may require an Amateur Radio License or regional government permits. Check local telecommunications laws before operation.

Technical Analysis

Total Ascent

+74 m

Total Descent

-39 m

Ruggedness Index

Terrain Roughness Index

Vertical displacement per km. Typical range: 0 (Smooth) to 100+ (Extreme Mountain).

0 (Smooth)50 (Steep)100+ (Extreme)
11.7

11.7

Tortuosity Index

Route Curviness Index

Ratio of actual path to straight line. Typical range: 1.0 (Direct) to 3.0+ (Switchbacks).

1.0 (Direct)2.0 (Winding)3.0+ (Serpentine)
2.75

2.75

Gradient Distribution

Flat (0-3%)91%
Moderate (3-8%)8%
Steep (>8%)1%

Surface & Hydrology

Paved2%
Unpaved98%

Surface Spectrum Analysis

Asphalt
2%
Gravel
69%
Dirt Track
29%
Water Crossings

Includes only technical water fords where the vehicle actively enters a stream or riverbed. Permanent bridges are excluded from this count.

0

Difficulty Analysis

SCORE: 23

Difficulty is determined by a technical multi-vector analysis of elevation profile, surface quality, and topographic intensity.

Resulting CategoryEasy

Bounding Box (WGS84)

MIN LAT: 39.999370
MAX LAT: 40.026992
MIN LON: -105.280554
MAX LON: -105.236702

Point Spacing: 5.5 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

Expedition notes, route modifications, and surface updates shared by the community.

Log Expedition Notes

You must be signed in to contribute reviews

Authenticate Identity

Be the first to review

No reviews registered for this technical sector yet. Share your experience, surface observations, or gear recommendations!