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Col de Sarenne 2026: W/kg of the pros (Tour de France)
9.4 km · 684 m · 7.3 % · Summit 1965 m · Strava segment Estimate · howtoturnpro
Estimated from the climb time, the rider's weight and the climb profile. Against 55 efforts with a power meter the median error is 2.0 %. Method →
Tour de France 2026, stage 20 14
25 July 2026 · Race page →
| Rider | Team | Time | W/kg | W | VAM | km/h | Weight | measured |
|---|---|---|---|---|---|---|---|---|
| Lenny Martinez | Bahrain Victorious | 26:08 | 6.02 | 313 | 1570 | 21.6 | 52 kg A | — |
| Remco Evenepoel | Red Bull-BORA-hansgrohe | 26:09 | 5.79 | 365 | 1569 | 21.6 | 63 kg B | — |
| Tadej Pogačar | UAE Team Emirates-XRG | 26:09 | 5.77 | 372 | 1569 | 21.6 | 64.5 kg A | — |
| Paul Seixas | Decathlon CMA CGM | 26:46 | 5.63 | 349 | 1533 | 21.1 | 62 kg A | — |
| Sepp Kuss | Visma | Lease a Bike | 26:50 | 5.62 | 343 | 1529 | 21.0 | 61 kg B | — |
| Tobias Halland Johannessen | Uno-X Mobility | 28:21 | 5.26* | 326 | 1448 | 19.9 | 62 kg C | — |
| Nicolas Prodhomme | Decathlon CMA CGM | 28:53 | 5.14 | 324 | 1421 | 19.5 | 63 kg A | — |
| Tiesj Benoot | Decathlon CMA CGM | 29:30 | 4.90 | 353 | 1391 | 19.1 | 72.1 kg A | — |
| Yannis Voisard | Tudor Pro Cycling | 29:30 | 5.12* | 287 | 1391 | 19.1 | 56 kg C | — |
| Harold Tejada | XDS Astana | 29:32 | 5.01 | 315 | 1390 | 19.1 | 63 kg A | — |
| Matthew Riccitello | Decathlon CMA CGM | 29:57 | 5.05 | 278 | 1370 | 18.9 | 55 kg A | — |
| Ben O'Connor | Jayco AlUla | 30:51 | 4.71 | 316 | 1330 | 18.3 | 67 kg B | — |
| Jordan Jegat | TotalEnergies | 30:54 | 4.81 | 284 | 1328 | 18.3 | 59 kg A | — |
| Davide Piganzoli | Visma | Lease a Bike | 31:09 | 4.74 | 289 | 1317 | 18.1 | 61 kg A | — |
Riders who don't share their rides publicly are missing. This is not a stage result.
How long would it take you?
Your time up Col de Sarenne at a steady power, from a physics model.
Advanced: rolling resistance and drag
Estimate from a physics model (Martin et al. 1998), on the average gradient. Wind, surface, pacing and steep sections change the real time. More cycling tools
How this is calculated
P × 0.977 = ½ · ρ · CdA · v³ + v · m · g · (sin θ + Crr · cos θ), θ = arctan(average gradient), m = rider + bike, g = 9.81; solved for the speed v, time = length / v. Air density ρ: NASA GRC troposphere: T=15.04-0.00649*h; p=101.29*((T+273.1)/288.08)^5.256; rho=p/(0.2869*(T+273.1)); h = mean of start and summit altitude. Sources: Martin et al. 1998, J Appl Biomech 14(3):276-291 — https://collections.lib.utah.edu/ark:/87278/s6jd5f71; Defraeye et al. 2010, J Biomech 43(7):1262-1268 (upright position, cyclist+bike 0.270 m2) — https://lirias.kuleuven.be/retrieve/232736; NASA Glenn Research Center, Earth Atmosphere Model (metric) — https://www.grc.nasa.gov/www/k-12/airplane/atmosmet.html. Climb geometry: the side's source in the table above.
Questions
How many watts did Lenny Martinez push on Col de Sarenne?
Lenny Martinez climbed Col de Sarenne in 26:08 at the Tour de France 2026. We estimate 313 W, or 6.02 W/kg at 52 kg. It is our estimate, not a measurement.
How is this estimated?
From the climb time, the rider's weight and the climb profile: the power needed against gravity, rolling resistance and air drag, with no wind. Against 55 efforts with a power meter the median error is 2.0 %.
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