A few links to a few running event sites and clubs:
Phoenix Running. A race company used heavily by the BoR
GMC. Global Marathon Challenges. A site to buy SWAG once awesome running has been achieved
SVN. A race company used heavily by the BoR
Mega Marathoners. A club to join once awesome running has been achieved
Running Miles. A race company used heavily by the BoR
STE. A race company used heavily by the BoR
Enigma. A race company used heavily by the BoR
Saturn. A race company used heavily by the BoR
100 Marathon Club. Rob and Simon's 1st Claim running club. Useful for finding running events
Mole Valley Runners. Simon's local running club