The 54,000-strong crowd of runners at the start of their half-marathon adventure.
Neil Clark "Weekend run only short as I was working.Managed to have a clear out."
Bungay Black Dog Marathon: Sunday, April 8WHY RUN IT?A low-key, mostly flat event over two laps of country roads on the Norfolk and Suffolk borders. There is also a half-marathon option. FEES£8/£9, payable to Bungay Black Dog Marathon. Entries
Chichester Marathon, Sussex: Sunday, July 21WHY RUN IT?Hills, challenge, meeting walkersThis marathon, held over the South Downs, is also part of an event primarily aimed at walkers, marchers and bikers, but is still suitable for runners.FEES£6
Adidas Dublin City Marathon Monday, October 28WHY RUN IT?Atmosphere, speed, DublinA friendly and popular big-city event starting on the Quayside.FEESIreland: £20; UK: £30 (includes breakfast run), payable to Dublin City Marathon by October 11
Kodak Harrow Marathon, Middlesex: Sunday, November 4WHY RUN IT?A low-key winter event run from the Kodak Sports Ground close to London. The course is undulating, but its not too severe. The race is run together with a half-marathon.FEES£10
Moray Marathon, Elgin, Scotland: Sunday, September 1WHY RUN IT?Space, scenery, speedlow-key event over a reasonably flat, rural course. The race also hosts a 10K and a half-marathon.FEES£9 (SAF affiliated only)/£11, payable to Moray Marathon
Yorkshireman Off-Road Marathon: Sunday, September 9WHY RUN IT?A tough fell event (2500ft of climbing) over an approximate marathon distance at Haworth for teams of twoFEES£14 per team (or £8 individual) , payable to Keighley & Craven AC by September
The HistoryToday Boston draws around 25,000 starters, a big contrast to the 193 runners in 1948. Demand for race places has exploded in recent years - the 2010 event sold out in 67 days, while this year's race maxed out in just eight hours
next Trailblazer event? Find out more and join the trail adventure!Above: The Trailblazer HQ