Personal Record Calculator is the addon tool for runner.
PRC calculates an estimated record based on records already known.
For example: You now your record on 7 miles. What do you think how long will you need for a marathon?
Check it out.
Now it's possible to switch the results page very fast between mi vs. km, mi/h vs. km/h (Speed) and min/mi vs. min/km (Pace).
Tags: personal record calculator , runner , personal record , personal travelling record calculator , sports record calculator , personal record pace calculator , garmins speed convert min/km = ? km/hour