Having done her first half-ironman in 2012, this year was spent increasing the volume and importantly learning to train and race with her power meter. Allison uses the Stages Cycling power meter on her custom Guru CR.901.
On race day Allison raced with her Guru CR.901 and Zipp 404's, with aero helmet. Her bike split for the 112miles was 5hrs 37mins. Weather conditions were almost perfect with little wind on the flat course and moderate temperatures.
What Allison was able to do was to settle into her power strategy and concentrate on that as opposed to getting caught up in the race of the other 2,500 people on the course. As you can see from the power data the keys to success were:
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- Great pacing set her up for a great result. She put out 128 watts for the first half, then maintained 120 watts for the second half.
- Allison limited her time in the red zone and stayed steady all day. Other than some early small spikes, she kept her power in check. Her Variability Index, or VI, was only 1.06, showing that she never pushed too hard.
- Generally many female Ironman power files show a lower cadence. Allison was able to keep her cadence at 80 rpm for Florida.
- Even with the lower watts over the 2nd half of the bike, Allison was able to negative split the course and come home 3mins quicker than the first half.
- Allison's overall intensity was a near perfect 69%. For front of pack age groupers, esp. first time ironman athlete's, this is a great balance of pushing hard enough but also saving something for the run.
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Allison finished off her great day with a 4hr marathon and a finishing time of 11hr 01mins....16th in age group.
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