Which is harder - Giro d'Italia or Tour de France?

Dario Cioni leading a group through horrible conditions

Dan Lloyd is part of GCN now, but in 2010 he rode the Giro d’Italia and Tour de France doing the same domestique job for his Cervelo Test Team. Here’s a table of his data comparing the 2 races in terms of TSS, along with a very abridged version of Hunter’s interpretation.

Which is harder? - 2010 Giro vs Tour de France

Giro

TDF

Total Training Stress Score (TSS)

5312

5038

Highest Training Stress Score (TSS)

406 (Stage 11)

358 (Stage 17)

Number of stages over 350 TSS

5

1

Number of stages over 300 TSS

7

5

Peak normalised power for an entire stage

300 watts

300 watts

Peak 60 minute normalised power

351 watts

344 watts

Peak 20 minute wattage

378 watts

375 watts

Peak 5 minute wattage

430 watts

420 watts

Easiest stage

209 TSS

113 TSS

 

100 Training Stress Score points equal 1 hour at threshold, so the 2010 Giro gave Dan Lloyd a total training stress of 53 hours at threshold, the equivalent effort of 53 x 1-hour full-gas time trials.

 

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