Stage 2 of 13 · Offa's Dyke Path

Km 20 → Km 40

Distance

20.0 km

Ascent

+451 m

Descent

-511 m

Est. Time

5h 37m

Altitude

15.4–254.7 m

Type

point-to-point

⛰️ Rolling Hills🌲 Lowland

📍

Start: Km 20

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

📍

End: Km 40

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

📥 Download GPX 🗺️ Open in Planner 🏔️ 3D Flyover 20.0 km · 451m gain

Elevation Profile

Flat (<5%)

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
Km 20 → km 2.4 (20m) 18–186m	2.4 km	+45m / -174m	37 min	📉 Descending
km 2.4 (20m) → km 5.5 (252m) 20–252m	3.2 km	+232m / -0m	1h 01m	📈 Climbing
km 5.5 (252m) → Km 40 15–255m	14.5 km	+259m / -423m	3h 32m	📉 Descending
Total	20.0 km	+451m / -511m	5h 11m

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

3h 06m

Calories

1,617 kcal

Water Needed

2.3 L

Effort Distance

27.1 km

flat-equivalent

🍫 Recommended: ~45g carbs/hr (140g total) 🧂 Electrolytes: ~1551mg sodium/hr

Terrain Analysis

Runnability

Steep / Technical

% of route below 15% gradient

Climb Ratio

23 m/km

Moderate profile

↑ 451m ↓ 511m

Surface & Technicality

Terrain Difficulty Breakdown

Runnable Flat (100%)

Surface Type

Unknown (43%) Asphalt (22%) Grass (10%) Dirt (9%) Ground (4%) Gravel (3%) Unpaved (2%) Wood (2%) Concrete (1%) Compacted (1%) Fine gravel (1%) Paved (1%)

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

Surface Breakdown

Unknown (43%)

Paved (22%)

Grass (10%)

Dirt (9%)

Natural Ground (4%)

Gravel (3%)

Unpaved Trail (2%)

Wood (2%)

Paved (1%)

Compacted (1%)

Fine Gravel (1%)

Paved (1%)

Current Conditions

Loading live weather...

Conditions for June

ℹ️ Shoulder season

Snow Risk

Unlikely

Mud Risk

15%

Low

Ice Risk

Unlikely

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

Best months: May, Jun, Jul, Aug, Sep, Oct

Suggested Gear List

Auto-generated based on 20.0 km, 451m ascent, max altitude 254.7m, ~6h duration.

Essential 4 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. 1971 kcal burn

Recommended 4 items

🧴
Sunscreen

Basic sun protection
🧥
Light rain jacket

Weather changes fast in the mountains
🩹
Mini first aid kit

Blister plasters, tape, antiseptic
🧊
Microspikes / light crampons

Snow risk in Dec, Jan, Feb

Nice to have 1 items

🦵
Gaiters

Keep snow out of boots

Logistics

This route runs from Km 20 to Km 40 (20.0 km by trail). You'll need to arrange transport back to your starting point.

Start — Getting There

Km 20

No transit stops detected nearby.

Finish — Getting Back

Km 40

No transit stops detected nearby. Check local timetables.

🗺️ Transit directions (Google)

←

Previous Stage

Offa's Dyke Path Stage 1: Start → Km 20

Next Stage

Offa's Dyke Path Stage 3: Km 40 → Nantyglasdwr Lane

→

← Back to all 13 stages of Offa's Dyke Path

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.

📥 Download GPX 🗺️ Planner