RunnerCalc
Links
Here are some other sites that you might find useful.
Rainbow Racing System - Great source for runner bibs, pull tags, stringers and all your cross country meet needsAthleticStuff.com - A good source for the RunnerCalc-compatible Ultrak 499 timer and Windows software interface (also available at Amazon)
TotalBarcode.com - A good source for the ID Tech Econoscan barcode scanner (also available at Amazon)
Colorado Track XC - A wealth of information on cross country and track--even if you are not from Colorado! Or check out the US site at www.MileSplit.com.