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Chris Anker Sørensen
299
TSS
223 W
Average Power
279 W
Normalized Power
3992
Kilojoules
- Whether Sørensen would start this morning was questionable after he went through surgery last night to repair his badly injured fingers. But, true to form he did start the stage and has every intention of finishing the Tour in Paris on Sunday. You can't stop this man!
- The return of the sprint finish. The last 6 minutes of the stage: 344 W (5.3 w/kg), 378 NP, 948 Maximum Watts, 51.2 kph Average Speed.
- 20-minute Peak Power also achieved at the end of the stage: 31.7 TSS, 299 W (4.6 w/kg), 355 NP, 48.6 kph Average Speed.
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Bernhard Eisel
355
TSS
286 W
Average Power
435 W
Normalized Power
5201
Kilojoules
- A high-stakes stage characterized by several riders attacking aggressively in the first hour, desperate to take home at least one stage win for the Tour. Mark Cavendish wins this exciting stage with a lead-out from the yellow jersey himself, teammate Bradley Wiggins.
- Fast but not truly flat: Although considered a flat stage, Stage 18 contained several short, punchy climbs totaling 1515 m (5000 ft) in elevation gain, yet Eisel still averaged 43.4 kph (26.9 mph)!
- 355.1 TSS is one of the top scores of the Tour for Eisel, indicating a very tough stage for him as he did a lot of work on the front and helping to defend his teammates.
- The combination of aggressive riding from the peloton and a punchy course profile: 286 Average Power (3.8 w/kg) vs 345 Normalized Power (4.5 w/kg). Normalized Power indicates the true physiological "cost" of the ride. Another way of looking at this is Variability Index, which measures how smooth a rider's power output was, and is calculated as NP divided by Average Power. Here, the VI of 1.21 indicates highly variable ride, which makes for a tougher ride than consistent power. As reference, successful TTs that are ridden without the impact of group riding are typically very close to a VI of 1.0.
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Glossary
TSS
TrainingPeaks' Training Stress Score (TSS) system allows any endurance athlete the ability to quantify their workouts based on their relative intensity, duration and frequency of workouts.
Normalized Power
Normalized power provides a better measure of the true physiological demands of a given training session - in essence, it is an estimate of the power that you could have maintained for the same physiological "cost" if your power output had been perfectly constant (e.g., as on a stationary cycle ergometer), rather than variable.
Intensity Factor
Intensity Factor provides a valid and convenient way of comparing the relative intensity of a training session or race either within or between riders, taking into account changes or differences in threshold power.
w/kg
Watts per kilogram is the standard measurement of a rider's "power to weight ratio" and represents a rider's average power output over a period of time, divided by the rider's body weight. w/kg equalizes power output between riders of various sizes and, all else being equal, increasing power (watts) or decreasing weight (kg) will make a rider faster.
Stage Results
| 1 | Mark Cavendish Team Sky |
4:54:12 |
| 2 | Matthew Harley Goss ORICA-GreenEDGE |
0:00:00 |
| 3 | Peter Sagan Liquigas-Cannondale |
0:00:00 |
| 54 | Chris Anker Sørensen Team Saxo Bank-Tinkoff Bank |
0:00:16 |
| 141 | Bernhard Eisel Team Sky |
0:08:54 |
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