ITRS: Endurance / Fitness
Combined effect of length, uphill and downhill meters of a tour

Generally sportive
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Up to 25 km (typically around 10 km)
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Or up to 350 meters climbing
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Or up to 1’000 meters descending
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Sporty entry-level

Occasional training sufficient
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Up to 50 km (typically around 25 km)
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Or up to 800 meters climbing
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Or up to 2’400 meters descending
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Good general fitness necessary
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You're going on day tours often

Regular training required
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Up to 80 km (typically around 40 km)
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Or up to 1’500 meters climbing
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Or up to 4’800 meters descending
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Good condition and regular training is required
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A tough and long full-day tour or a whole day in the bike park does not scare you

Frequent hard training necessary
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Typically > 60 km
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Typically > 1’500 meters climbing
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Or > 5’000 meters descending
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Frequent and structured endurance training is necessary
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Cross Country races, bike marathons or records in downhill descend meters per day are your thing
The effect of a climb on a technical trail versus a climb on a road on the endurance requirements is not captured here. We take it into account for each tour individually.
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