Ireland's Coaching Resource Website
coachingireland.com

  

| Our Goals | Forum | Disclaimer | Privacy | Contact Us |

 

CoachingIreland.com 
 
 ATHLETES DIARIES
 
 COACHES & CLUBS
 
 COACHING NEWS
 
 COURSES
 
 FEEDBACK
 
 LINKS
 
 MARATHON TRAINING
 
 NUTRITION
 
 SPORT SCIENCE
 
 SPORTS
 ATHLETICS
 MOUNTAIN BIKING
 OLYMPICS
 ROAD CYCLING
 TRAINING WITH POWER
 ROWING
 SAILING
 SOCCER
 TENNIS
 TRACK CYCLING
 TRIATHLON
 BADMINTON
 
 TRAINING GROUPS
 
 TRAINING PRINCIPLES
 
 EMPLOYMENT IN SPORT

 
SPORTS : ROAD CYCLING : TRAINING WITH POWER

 

ANALYSIS OF DONEGAL 3 DAY TIME TRIAL STAGE
By Anthony Moran (anto.moran@gmail.com)
Jun 9, 2006

Pacing is a very important element of cycling and is probably most important in the Time Trial where a lot of amateur multi stage races are decided. The power meter is the ideal tool to help a rider ensure that they give their best effort in the TT stage. In this article we look at the TT stage of the Donegal 3 day. The stage was on undulating roads and was the 2nd stage (of 4) after a short road stage the night before. The rider had a mechanical problem on the stage and this cost him 20 secs where he had to dismount and then lost some more time in the effort to get back up to speed. He finished in the top 20 however, he estimated that the 30secs or so that he lost would have put him into the top ten and set him up for a good high finish place.

 
Levels based on threshold power
These are the levels for this rider and where calculated for him on the basis of his threshold power of approx 310 watts. This is very important as a large amount of time spent above this level will  result in a fall off in performance. This fall off can occur quite quickly depending on how much time he spends above his threshold.

Start of the TT
 The power output is the yellow line and the dashed straight line is his threshold power. Based on his threshold of 295-310w I think that he started too hard! For the first 42 secs the avg power was ~485w this is far to high. During the TT there where 5 periods (greater than 120% of threshold power) these occurred at the start, then four efforts of  421w, 385w, 361w, 372w. In training these efforts would usually be followed by a recovery period of up to 10 mins. in this TT recovery wasnt possible.

Stats of the 1st part of TT
These efforts are far to high for the rider in his current state. Using his training levels 4 of these would fit into the Anerobic power zone and the other one into VO2 max zone.  I would say the stop for the mechanical trouble didn’t help but I think the power drop was inevitable 

Stats of the entire TT
This image shows the final outcome of the TT. Note that the final avg power was 311 watts which was for 14.5 minutes. This should get alarm bells ringing as he should have been able to ride at a higher power output than this and it may mean that his threshold is actually lower than the 310 watts from the last test. The rider has been ill and working heavily so it is not beyond the realms of possibility that he has regressed. Adding to this is the 20 min power from the other stages which show a 20 min power of 265 watts. A retest is definitely required and should be treated as a priority. However, we are only analysing 3 days of data and this may skew the figures we are getting here.

 

power expended in different zones
Looking at the power distribution you can see that there is a little anomaly in that the Anaerobic power is 13.5% which is higher than VO2, Threshold,Endurance levels however, this may be biased as we are examining 3 races (focusing on the TT)  rather than all of your training sessions and races but it does show that the top end gets plenty of training in the races  and also highlights that you dont have to overdo the top end training when you are racing frequently

So how can he use the data from the race to improve

1. Pacing in the TT needs to be practiced. Try do a 10 mile TT as fast as possible ignoring the power meter then 2 days later do it with the power meter  as a guide and try to stick to threshold power and increase the pace for the last 2 miles. Obviously weather terrain has to be the same to compare results but he should see a quicker time. Hopefully this reinforces the need to have a pacing strategy

2. Look at increasing the time spent training in the Endurance (steady state)  and threshold zones (20 min ints) in training.

 

Back to Top of Page

 © Copyright CoachingIreland.com 2005 - Updated: Oct 3rd, 2007 - 16:54:37  

 

TRAINING WITH POWER
Latest Articles
CYCLING SEASON REVIEW
TRAINING WITH POWER QUESTIONS (part 2)
TRAINING WITH POWER QUESTIONS
TOUR DE FRANCE SRM DATA LIVE
3 POWER METERS AND A TIME TRIAL
Search

 

 

Copyright CoachingIreland.com 2005 - All Rights Reserved