Tumatumari Pass is a climb of 7.9 kilometers (category 1). Tumatumari Pass tops out at 363 m above sea level. It is located in Mahdia, Potaro-Siparuni, Guyana. The average gradient is 5.2% with a maximum of 15%. The climb has 413 meters of elevation gain.
Difficulty breakdown: This 7.9 km climb has an unusual profile. The first half (KM 0.0 to 4.0) is mostly flat or slightly downhill, with only +20m of elevation gain. The real climbing starts after 4 km, with 393m of elevation gain packed into the last 4 km. The difficulty lies in this brutal finish, with steep sections at 8%, 7% and, above all, an extremely abrupt 76% ramp (47m of climbing over just 62m of distance at KM 5.5-6.0), followed by a 15% section.
Pacing advice:
1. Save your legs early on: Use the first 4 km, which are mostly flat or downhill, to ride at a steady pace and conserve your energy.
2. Prepare for the wall at km 5: Hit the 8% section (KM 4.5-5.0) with some power in reserve so you can get over the "wall" of 76% that comes right after. Gearing choice is crucial here.
3. Keep a steady effort after the peak: The gradient stays high (7% then 15%) after the steepest part. Don't "blow up" after the intense effort, and keep a consistent rhythm all the way to the summit.
7.9 km • 413 m D+
VAM: average climbing speed, based on elevation gain
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