Alto de Letras is a climb of 4.4 kilometers (category 2). Alto de Letras tops out at 3,677 m above sea level. It is located in Herveo, Tolima, Colombia. The average gradient is 5.8% with a maximum of 11.4%. The climb has 257 meters of elevation gain.
Climb analysis: The Alto de Letras covers 4.4 km for 257 m of elevation gain, with an average gradient of 5.8%, which earns it a Category 2 classification. The climbing is steady: over the first 3 km, the sections hover between 5% and 7%, with no real respite. The hardest stretch sits between km 3.0 and 3.5, at 8%, before a more manageable section at 3% between 3.5 and 4.0 km. The final part, from 4.0 to 4.4 km, is only 1%.
Tips for managing your effort:
1. Settle into your rhythm from the bottom. On the 0.0-0.5 km section at 6%, don't go out too hard. Most of the effort on this climb is in the long haul.
2. Prepare for the 8% ramp. Between 3.0 and 3.5 km, shift into an easier gear, stay seated and keep a steady cadence.
3. Recover on the flat. Use the 3.5-4.0 km section at 3% to catch your breath, then pick up the pace slightly on the final 4.0-4.4 km stretch at 1%.
4.4 km • 257 m D+
VAM: average climbing speed, based on elevation gain
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