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

Trail route lab

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Open a planning copy, adjust the line, then share the version you would actually run or hike.

25.0 km Distance907 m Climb7h 13m Est. time3,964 m High pointEPIC Difficulty

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Share 3D Flyover Preview the route over real terrain and send it on. Build fuel plan Distance, climb, and time are pre-filled. Download GPX For Garmin, Suunto, COROS, Apple Watch & any GPX app.

📍

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

Flat (<5%) Gentle (5–10%) Moderate (10–15%)

Route Map

🗺️ Open in Planner → | 🏔️ View 3D Flyover →

Segment Breakdown

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

Segment	Dist	↑ / ↓	Time	Character
Start → km 4.2 (3728m) 3,719–3,844m	4.2 km	+220m / -214m	1h 18m	🏃 Highly Runnable
km 4.2 (3728m) → km 15.1 (3907m) 3,728–3,964m	11 km	+654m / -475m	3h 31m	📈 Climbing
km 15.1 (3907m) → km 17.5 (3708m) 3,708–3,907m	2.3 km	+0m / -199m	34 min	🔻 Steep Descent
km 17.5 (3708m) → km 21.0 (3939m) 3,708–3,939m	3.5 km	+250m / -20m	1h 07m	📈 Climbing
km 21.0 (3939m) → End 3,630–3,939m	4 km	+43m / -309m	1h 02m	📉 Descending
Total	25.0 km	+907m / -849m	7h 33m

Pace & Fuel Calculator

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

Your flat 10K pace 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

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%)

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

Surface

≈2% paved · ≈98% unpaved

Mostly unpaved

Estimated for the full route from the 92% with mapped surface data in OpenStreetMap.

Current Conditions

Loading live weather...

Conditions for July

ℹ️ Shoulder season

Snow Risk

Unlikely

Mud Risk

10%

Low

Ice Risk

Unlikely

✅ Snow unlikely at this elevation in July. Trail conditions expected to be clear.

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

Planning ahead?

Get one email the moment this route melts out and is snow-free. We use your verified account email — never typed into a form.

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.

🗺️ Transit directions (Google)

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Colorado Trail Stage 7: Start → End

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Colorado Trail Stage 9: Start → End

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