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How it all started

The COTACOL is a belgian reference book about cycling uphill, made by Daniel Gobert and Jean-Pierre Legros in 1989. In it are descriptions of the thousand toughest climbs for cyclists.

Each climb is described by several facts: name, a short description, height, grade, length, what state the road surface is in, average climbing time for an amateur or a professional road cyclist.

The combined authors measured 1.869.800 km, rode up a height of 112.396 meters and measured nearly 30.000 data points to compose this book. Each hill has a so-called COTACOL score. This score is determined using several parameters: grade, length, road surface. A higher score means a tougher climb.

More than 30 years later, some cycling & tech enthousiasts virtually got together and built apps, web sites and integrated with Strava, so that the modern cyclist can now plan rides to conquer as much Cotacols as possible and automatically flag them when integrating with Strava.

Migration status

Users have been migrated to the new runtime. This should solve previous synchronization problems.

  • Badges still require to be migrated and contains some flaws. They will be recalculated after that migration.

Combined achievements

  6367 registered users
  have collected 52.205.416 Cotacol points
  • Emile did Côte des Trois Frontières and Helling van Altembroeck today
  • Benoit did Le Grand Virage today
  • Denis did Rue sur Steppes, Côte du Hornay and Côte de la Redoute today
  • Loïc did Rue sur Steppes and Côte du Hornay today
  • Gérard did Côte de Foret today
  • Michel did Les Golettes I today
  • frederic did Côte de la Casmatrie today
  • Jean did Rue Adolphe Dumont today
  • Julien did Route Merveilleuse today
  • thomas did Côte de Foret, Côte d'Avister and Côte de Lincé today
  • Ken did Le Saule Pendu, Le Bourliquet, Côte du Dieu des Monts and 4 more today
  • George did Les Gaudys today
  • Patrick did Kauterhof today
  • Maximilien did Côte de Cortil yesterday
  • Jan did Roeselberg yesterday
  • Dylan did Alsberg yesterday
  • Kevin did Op de Eiken yesterday
  • Didier did Tour de Muache yesterday
  • ™ did Côte de la Vièrge de Werpin yesterday
  • Diederik did Heideberg yesterday


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