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All time hardest races and stages

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What are the hardest stages ever? We measure how hard a stage is by the ProfileScore. This list shows the highest profile score value once per race, of all time.
#SeasonRaceProfileScore
11977 Tour de France715
22023 Tour of Türkiye596
31996 Volta a Catalunya581
41987 Vuelta a España580
52012 Giro d'Italia487
62023 Giro Ciclistico della Valle d'Aosta - Mont Blanc441
72020 Tour Cycliste Féminin International de l'Ardèche432
81980 World Championships ME - Road Race431
92017 Volta ao Algarve em Bicicleta429
102017 La Route d'Occitanie427
112019 Le Tour de Savoie Mont Blanc426
122021 Tour de Romandie420
132024 Tour de l'Avenir415
142019 Critérium du Dauphiné413
152016 Tour de Suisse412
162021 Vuelta a Colombia409
172022 Vuelta a Guatemala406
182024 Tour de l'Avenir Femmes406
192019 Int. Österreich-Rundfahrt - Tour of Austria400
202022 394
212018 Adriatica Ionica Race / Sulle Rotte della Sereniss388
222023 Vuelta Ciclista Internacional a Costa Rica383
232020 Tour de l'Ain383
242024 Tour of Mersin379
252024 Tour of Hellas379
262025 Tour de France Femmes374
272024 Giro d'Italia Women373
282021 Giro Next Gen370
292020 Ronde de l'Isard370
302023 Alpes Isère Tour368
312017 PRO Ötztaler 5500363
322015 Tour of the Alps362
332024 Vuelta Internacional Femenina a Costa Rica358
342024 Tour Colombia358
352024 Mercan'Tour Classic Alpes-Maritimes358
362024 Tour of Japan356
372017 Paris-Nice354
382023 Vuelta al Táchira354
392019 Tour d'Indonesia341
402024 Tour de Banyuwangi Ijen341
412022 Tour de Langkawi339
422023 Volta a Portugal334
432016 Olympic Games ME - Road Race332
442019 330
452022 Settimana Internazionale Coppi e Bartali326
462018 Tirreno-Adriatico316
472023 Ain Bugey Valromey Tour315
482022 313
492023 Tour of Slovenia312
502022 Tour de Romandie Féminin312