Select the event, enter your details and result, then press Age-grade to lookup the WAVA factor (some data supplied by Jess Brewer). This factor is used to calculate an age-graded result, which can be compared with athletes of different ages.
Also shown are the Open and age-graded standards set by WAVA, and from these, your age-performance as a % of the Age std is calculated. This can now be compared between different events.
Pressing Result will calculate your result for a given age-performance - e.g. use your age-performance in one event to predict a different event or the same event at a different age.
Times can be entered as hh:mm:ss.dd - if no colon is supplied it will be taken as seconds; only one colon will be interpreted as mm:ss. The decimal seconds (dd) are not required. Distances and heights can be entered in metres, with or without decimal places.
See also discussion of age-grading and athletics performance calculator which uses models for performance in distance running events. The tables and VBA functions to look up factors are available in an Excel spreadsheet.