Links to popular race entry sites.
Great Run races across the UK
http://www.greatrun.org/
Entry Central - Triathlons and other events.
http://www.entrycentral.com/
Fabian4 for Orienteering, Running and Triathlon entries
http://www.fabian4.co.uk/
Oentries for entry to Orienteering Events
http://oentries.com/
Runners World magazine and Runing Event entry.
http://www.runnersworld.co.uk/
The Virgin London Marathon information and entries.
http://www.virginlondonmarathon.com/
Good Run Guide - an independent running site.
http://www.goodrunguide.co.uk/
Park Run - free 5k timed runs every week.
http://www.parkrun.com