Kertowono is a climb of 11.7 kilometers (category 1). Kertowono tops out at 619 m above sea level. It is located in Bodang, Jawa Timur, Indonesia. The average gradient is 4.5% with a maximum of 16.5%. The climb has 525 meters of elevation gain.
Difficulty analysis: The Kertowono pass stretches over 11.7 km for 525 m of elevation gain, an average gradient of 4.5%, which earns it a 1st category classification. The difficulty doesn't come from a constant gradient but mainly from the final kilometers, where the KM 9.0-10.0 at 9% and the KM 10.0-11.0 at 8% concentrate most of the effort. The easier sections, such as the KM 1.0-2.0 at 0% or the KM 5.0-6.0 with a slight descent, offer recovery time before these last hard sections.
Tips for the effort:
1. Keep a steady rhythm from the start Take the KM 0.0-1.0 at 5% and the KM 3.0-4.0 at 5% at a comfortable pace to save something in the tank for the end.
2. Use the flats to recover Use the KM 1.0-2.0 at 0% and the KM 5.0-6.0 descent to get your breathing back and rest your legs.
3. Save your legs for the finale On the KM 9.0-10.0 at 9% and the KM 10.0-11.0 at 8%, pick a suitable gear, hold a steady effort, and stay seated as much as you can.
11.7 km • 525 m D+
VAM: average climbing speed, based on elevation gain
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