Chris Anker Sørensen
237
TSS
209 W
Average Power
280 W
Normalized Power
2954
Kilojoules
- Similar to Eisel's data in that Sørensen also set his 90-minute peak power in the opening 1.5 hours of the stage, the difference being Sørensen was trying to be in the break rather than shut it down. Ultimately, Chris Anker Sørensen's teammate Nicki Sørensen would make the winning break and finish 4th in the stage. Once the winning break was established (with a teammate included), Chris could ease off the gas and finish with the main peloton.
- First 1.5 hours trying to make the break: 66.75 km, 119 TSS, 250 Average Watts, 320 NP, 1359 KJs vs. remainder of stage with teammate in the break (approximately 2:22): 90.8 km, 107 TSS, 183 Average Watts, 241 NP, 1570 KJs.
- 5-minute Peak Power set just as winning break was being established: 398 Average Watts, 420 NP, 156 Average Heart Rate (maximum heart rate for entire stage was 163).
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Bernhard Eisel
302
TSS
300 W
Average Power
363 W
Normalized Power
4288
Kilojoules
- The first 1.5 hours of racing were fast and aggressive as multiple teams and riders tried to get in a breakaway. However, Team Sky including Eisel had to evaluate each break to determine the threat to Overall Leader Wiggins. If anyone was a threat, Team Sky brought it back. It took many combinations and finally after about an hour and a half of racing, the right mix of riders was allowed to go up the road with the highest placed rider still over an hour down on Wiggins. This 1.5 hour effort cost Eisel 147 TSS. 100 TSS indicates a 100% all-out effort for an hour - a TSS of 147 for 1.5 hrs shows that Eisel held nothing back during the first 90 minutes of the stage as he defended Wiggins' lead.
- The final 90 minutes of the stage were quite different from the first 90 minutes: 86.4 TSS, 278 Average Watts,316 NP, 56.7 km.
- Since we've been following Eisel (Stage 3-15), he has accumulated over 3720 TSS points in 13 stages or 2 weeks of racing! By comparison, a recreational cyclist might accumulate 250 TSS points per week, riding about 6 hours at an easy to moderate pace. (1 hour of easy riding = 35 TSS).
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Pieter Weening
258
TSS
234 W
Average Power
319 W
Normalized Power
38.6
Average Speed (km/h)
- Stage 15 was a pretty quiet day for ORICA-GreenEDGE; however, the first 1.5 hours of the race were the hardest as the peloton had trouble getting the right mix of riders together for what would eventually be the winning break.
- First 90 minutes: 129 TSS (indicating close to 100% effort), 291 Average Watts, 369 NP, 42.1 kph Average Speed, 872 m Elevation Gain.
- Note the large difference in Average Watts vs Normalized Power: 85 Watts! Average Watts for Stage = 234. NP = 319W. This indicates that the ride, mostly the first 90 minutes, was indeed very erratic. Normalized power is an estimate of the power that a rider could have maintained for the same physiological "cost" if power output had been perfectly constant. The larger the difference between Average Power and NP, the more variable or "punchy" the ride was. On the flip side, normally in Time Trials the average watts are very similar to the normalized power, showing a very steady or constant effort.
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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 | Pierrick Fedrigo FDJ-Big Mat |
3:40:15 |
| 2 | Christian Vande Velde Garmin - Sharp |
|
| 3 | Thomas Voeckler Team Europcar |
|
| 57 | Chris Anker Sørensen Team Saxo Bank-Tinkoff Bank |
0:11:50 |
| 80 | Bernhard Eisel Team Sky |
0:11:50 |
| 116 | Pieter Weening ORICA-GreenEDGE |
0:11:50 |
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