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Koppenberg: the climb, its race history and records

Koppenberg: each side of the climb, its passages in the big races since 1996 and the records, each figure with the source it comes from.

The climb

East Flanders (Flemish Ardennes), Belgium

SideStartLengthElevation gainAverageMaxSummitHairpinsSource
MeldenMelden0.6 km65 m11.4 %18.5 %77 m—climbfinder.com

Each side from one source, linked. A dash: the sources we opened disagree or give no figure, so we leave it out.

Race history since 1996 29

YearRaceStageTypeStage winner or first over the topSource
2026Tour of Flanders Women—On the routenot confirmedrondevanvlaanderen.be
2026Tour of Flanders—On the routenot confirmedrondevanvlaanderen.be
2025Tour of Flanders Women—On the routenot confirmeden.wikipedia.org
2025Tour of Flanders—On the routenot confirmedcyclingstage.com
2024Tour of Flanders Women—On the routenot confirmeden.wikipedia.org
2024Tour of Flanders—On the routenot confirmedcyclingstage.com
2023Tour of Flanders Women—On the routenot confirmeden.wikipedia.org
2023Tour of Flanders—On the routenot confirmedcyclingstage.com
2022Tour of Flanders Women—On the routenot confirmeden.wikipedia.org
2022Tour of Flanders—On the routenot confirmedcyclingstage.com
2021Tour of Flanders—On the routenot confirmedcyclingstage.com
2020Tour of Flanders—On the routenot confirmedcyclingnews.com
2019Tour of Flanders—On the routenot confirmedcyclingstage.com
2018Tour of Flanders—On the routenot confirmedcyclingstage.com
2017Tour of Flanders—On the routenot confirmeden.wikipedia.org
2016Tour of Flanders—On the routenot confirmeden.wikipedia.org
2015Tour of Flanders—On the routenot confirmeden.wikipedia.org
2014Tour of Flanders—On the routenot confirmedcyclingnews.com
2013Tour of Flanders—On the routenot confirmedvelowire.com
2012Tour of Flanders—On the routenot confirmeden.wikipedia.org
2011Tour of Flanders—On the routenot confirmeden.wikipedia.org
2010Tour of Flanders—On the routenot confirmeden.wikipedia.org
2009Tour of Flanders—On the routenot confirmeden.wikipedia.org
2008Tour of Flanders—On the routenot confirmeden.wikipedia.org
2006Tour of Flanders—On the routenot confirmeden.wikipedia.org
2005Tour of Flanders—On the routenot confirmedcyclingnews.com
2004Tour of Flanders—On the routenot confirmedbikeraceinfo.com
2003Tour of Flanders—On the routenot confirmedcyclingnews.com
2002Tour of Flanders—On the routenot confirmeden.wikipedia.org

How long would it take you?

Your time up Koppenberg 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.

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