Stage 8 of 15 · Colorado Trail

Start → End

Distance
25.0 km
Ascent
+907 m
Descent
-849 m
Est. Time
7h 13m
Altitude
3,629.8–3,963.9 m
Type
point-to-point
🏔️ Mountainous❄️ Alpine
📍

Start: Start

No nearby transit stop. Consider getting dropped off or using the previous stage's end stop.

📍

End: End

No nearby transit stop at the end. Check the next stage's start stop.

Elevation Profile

3,650m3,700m3,750m3,800m3,850m3,900m3,950m0 km5 km10 km15 km20 km25 km3,964m3,630m
Flat (<5%) Easy (5–10%)

Route Map

Segment Breakdown

Auto-analyzed from the elevation profile. Each segment shows the dominant character for planning your effort.

SegmentDist↑ / ↓TimeCharacter
Start → km 4.2 (3728m)
3,719–3,844m
4.2 km+220m / -214m1h 18m🏃 Highly Runnable
km 4.2 (3728m) → km 15.1 (3907m)
3,728–3,964m
11 km+654m / -475m3h 31m📈 Climbing
km 15.1 (3907m) → km 17.5 (3708m)
3,708–3,907m
2.3 km+0m / -199m34 min🔻 Steep Descent
km 17.5 (3708m) → km 21.0 (3939m)
3,708–3,939m
3.5 km+250m / -20m1h 07m📈 Climbing
km 21.0 (3939m) → End
3,630–3,939m
4 km+43m / -309m1h 02m📉 Descending
Total25.0 km+907m / -849m7h 33m

Pace & Fuel Calculator

Adjust your flat 10K pace to see personalized finish time, calorie burn, and hydration needs.

7:00 /km
4:00 /km (elite) 12:00 /km (leisure)
Fast Hiker / Jogger
Est. Finish Time
4h 23m
Calories
2,835 kcal
Water Needed
4.7 L
Effort Distance
38.3 km
flat-equivalent
🍫 Recommended: ~45g carbs/hr (198g total) 🧂 Electrolytes: ~2198mg sodium/hr 🩹 Consider anti-chafe and blister prevention

Terrain Analysis

Runnability
0%
Steep / Technical
% of route below 15% gradient
Climb Ratio
36 m/km
Moderate profile
↑ 907m ↓ 849m

Surface & Technicality

Terrain Difficulty Breakdown
Runnable Flat (89%) Easy Grade (11%)
Surface Type
Ground (79%) Unknown (8%) Unpaved (5%) Gravel (4%) Wood (2%) Asphalt (1%) Dirt (1%) Paved (1%)

🏃 Mostly runnable with gentle terrain. Great for fast trail running.

Surface Breakdown

Natural Ground (78%)
Unknown (8%)
Unpaved Trail (5%)
Gravel (4%)
Wood (2%)

Current Conditions

Loading live weather...

Conditions for June

ℹ️ Shoulder season
Snow Risk
15%
Low
Mud Risk
30%
Moderate
Ice Risk
0%
Unlikely

🌤️ Occasional snow patches possible above 3369m. Trail should be mostly clear but carry microspikes just in case.

🥾 Muddy sections likely. Waterproof boots recommended.

Best months: Mar, Apr, May, Jun, Sep, Oct, Nov

Suggested Gear List

Auto-generated based on 25.0 km, 907m ascent, max altitude 3963.9m, ~7h duration.

Essential 8 items
  • 👟
    Trail running shoes / hiking boots
    Required for any trail
  • 📱
    Phone (charged) + offline map
    Navigation & emergency contact
  • 💧
    3L hydration vest
    No water sources on route
  • 🍫
    Trail mix, bars & sandwich
    Est. 2166 kcal burn
  • 🧴
    Sunscreen SPF 50+
    UV intensifies above 2000m
  • 🧢
    Sun hat / cap
    Exposed alpine terrain
  • 🧥
    Windbreaker / shell jacket
    Summit at 3963.9m — wind chill
  • 🆘
    Emergency space blanket
    Critical if injured at altitude
Recommended 5 items
  • 🕶️
    Sunglasses (cat 3+)
    Snow & rock glare at altitude
  • 🧤
    Warm mid-layer (fleece)
    Temps drop ~6°C per 1000m
  • 🔦
    Headlamp
    7h route — plan for delays
  • 🩹
    Mini first aid kit
    Blister plasters, tape, antiseptic
  • 🧊
    Microspikes / light crampons
    Snow risk in Dec, Jan, Feb
Nice to have 2 items
  • 🥢
    Trekking poles (optional)
    907m ascent — helps on descents
  • 🦵
    Gaiters
    Keep snow out of boots

Logistics

This route runs from Start to End (25.0 km by trail). You'll need to arrange transport back to your starting point.

Start — Getting There
Start
No transit stops detected nearby.
Finish — Getting Back
End
No transit stops detected nearby. Check local timetables.

Take this route with you

Download the GPX file for your GPS watch or phone. Works with Garmin, Suunto, COROS, Apple Watch, and all GPX-compatible apps.

Route data from OpenStreetMap © contributors, licensed under ODbL. Updated 2026-04-01.