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Chuji Pass from Tongchon: what you need to know

Everything about cycling up Chuji Pass from Tongchon

Chuji Pass is a climb of 8.3 kilometers (hors catégorie). The climb finishes at 628 m above sea level. It is located in Tongchon, 강원도, 조선민주주의인민공화국. The average gradient is 8.4% with a maximum of 14.8%. The climb has 695 meters of elevation gain.

Elevation profile

Elevation profile

Climb statistics

Hors catégorie
Difficulty score: 1114 (Very hard)
Finish altitude
628 m
Distance
8.3 km
Avg. gradient
8.4 %
Max gradient
14.8 %
Elevation gain
695 m
Steepest section: 14.8% (km 3.8)
Tips

Difficulty breakdown: This HC climb covers 8.3 km for 695 m of elevation gain, an average gradient of 8.4%, which makes it a long and demanding ascent. The hardest section is between KM 3.0 and KM 3.5 at 9%, followed by KM 5.0 to KM 5.5 at 8%. The gradient never drops below 4% and mostly sits between 6% and 7% over most of the route, so you'll be working hard from the bottom to the top.

Pacing tips:

1. Don't go out too hard. The opening kilometres, at 4% from KM 0.0 to KM 0.5, are deceptive: keep a steady cadence so you still have something in the tank for later.

2. Prepare for the 9% section. Between KM 3.0 and KM 3.5, shift to an easier gear and stay seated to hold a smooth cadence without blowing up.

3. Save something for the finish. After the 8% ramps from KM 5.0 to KM 5.5, manage your effort until KM 8.0 to KM 8.3, where the gradient eases to 5% and you can finish strong if you've kept your rhythm steady.

Estimated times

8.3 km • 695 m D+

Leisure 2h 40min
3.1 km/h 350 m/h
Regular 1h 40min
5.0 km/h 550 m/h
Trained 1h 10min
7.1 km/h 800 m/h
Climber 50min
10.0 km/h 1100 m/h
Pro 35min
14.2 km/h 1600 m/h

VAM: average climbing speed, based on elevation gain

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