Running

AccuRoute
Map-measuring software enabling accurate measurement of training runs. Simply scan in or download a map image, then trace out the route with your mouse. Free demo download available. Requires Windows.
http://homepages.tesco.net/~criticalpath/accuroute/

Joe Lee Computing
Provides results, timekeeping, and online entry facilities to the sports world.
http://www.joelee.co.uk/

Run Pacer
Four independent pacing programs for individual training needs.
http://www.runpacer.com/

RusSte, Inc.
Cross Country QuickScorer was developed for scoring cross country meets and QuickRegister for event registration and the reports. Both are compatible with Windows.
http://www.russte.com/

TrailGauge
Offers route measuring software for Windows. Use scanned paper or popular internet map formats. Trace and amend route on zoomable map display. Free demo available.
http://www.trailgauge.co.uk/