Sponsored 10K race plus fun/kids runs in small Hertfordshire town.

October marathon in Oxfordshire town.

High quality 5 mile race held in Cheshire each February.

The first marathon to be held on the North Welsh island.

International men's 5 kilometres and women's 3 kilometres race, plus supporting junior events, in Northern Irish town.

Summer 20 mile race held in Ashby-de-la-Zouch in North West Leicestershire.

Welsh 10K road race starting at St Donats Castle, Llantwit Major.

Autumn race held on country roads in Sussex.

Britain's leading annual ultradistance track race. Incorporates Welsh Ultramarathon Championships.

Long running spring event.

Bedford's annual invitation meeting attracting top athletes from the UK and abroad.

Northern Ireland's leading annual road event.

5 miles road race and 2 miles fun run organised by local rotary club.

Asics sponsored summertime race along the Fylde coast.

The west country's leading half marathon held each September.

Annual Spring event run along Waveney Valley in East Anglia.

Half Marathon and 3 miles fun run from Masham in Yorkshire Dales.

Annual twenty mile and "nearly" ten mile race held in Suffolk town in early spring.

Long running autumn 10 miles run in Twickenham, Middlesex.

Annual September event in Welsh Capital.

Sussex Grand Prix and Hampshire Road Race League event.

Annual 3.5 mile race from the Guildhall Yard regularly attracting a few thousand competitors.

Well established event on outskirts of city starting and finishing at the Royal Norfolk Showground, Costessey.

Guide to the four yearly multi-sports championships held in Manchester in 2002.

10 kilometres road race and fun run starting and finishing in Lloyd Park and passing through Shirley.

New race organised by local rotary club starting and finishing in Newton Abbot, Devon.

May race over 10 miles staged in Burton-upon-Trent.

Host of the 2004 Scottish Championships.

Diet Coke sponsored Half Marathon and 10 km fun run staged in central Scotland.

Long running Isle of Man event comprising series of races over entire Easter weekend.

Spring B&Q sponsored race in Hampshire town.

Intermittently held event last staged in June 2003.

Long running 22 mile race starting in Scotland's capital.

Annual race on flat course in Cambridgeshire town.

Cambridgeshire 10 kilometres race.

Ultradistance race in Glenrothes. Usually held in conjunction with Scottish 50km Championships.

The official NHS site of London's bid to host the 2012 Olympic Games and Paralympic Games.

Hampshire's popular pre-London Marathon race.

Spring 10 kilometres race in Bedfordshire.

Early spring race through the Oxfordshire countryside.

Summer races through Cumbrian countryside.

Includes Great North Run, Great South Run & Balmoral Road Races amongst others.

5 miles race held in Cardiff.

Exeter's annual Half Marathon race.

212 mile trail and road relay around London for teams of 10 runners.

Late summer Half Marathon and Fun Run from Witchford, near Ely.

Annual event held in May.

Ideal preparation for the London Marathon. Regularly attracts high quality field.

Annual International Decathlon and Heptathlon meeting staged in small Northumberland town.

Summer race held in small Essex villlage during their annual 'Feast and Fayre'.

Summer event crossing one of world's longest bridges.

Top quality women's only 5 kilometres road races in Hyde Park, Birmingham and Liverpool. Formerly known as Flora Light Challenge.

Britain's first global indoor athletics championships held in Birmingham in March 2003.

Early spring race in North of Scotland.

Annual race organised by local veterans club. Half Marathon held in association also open to walkers.

May marathon starting and finishing in Ryde. Held every year since 1957.

Annual May Half Marathon on largest of the Channel Islands.

December half marathon in Nottinghamshire organised by local scout group.

Gatorade sponsored Autumn Marathon, 16 mile and 8 mile races held in London suburb.

May event held in coastal town in Dumfries and Galloway.

Autumn event in east midlands.

10 and 6 mile runs held in Surrey town on May Bank Holiday.

First held in 1994. Now Merseyside's leading road race attracting strong overseas field.

New event to be held in September along east bank of loch from Fort Augustus to Inverness.

Official site of London's 2012 Olympic bid.

Official site of the nations premier road race.

Classic ultra distance race held each autumn over 55 miles.

History of world's major sporting event for which London is submitting a bid for 2012.

Annual Bedfordshire marathon staged in late autumn.

31 mile fell race traversing Isle of Man from north to south with climbs totalling 8000 feet.

Late summer marathon, half marathon and 10K races held in Elgin, Scotland.

10th NatWest Island Games held in Guernsey in the Summer of 2003.

Official website of the eleventh NatWest Island Games to be held in the Shetland Islands in 2005.

Road and forest trail race starting in Brockenhurst, Hampshire.

Annual Marathon and Half Marathon races organised by New Forest Marathon Association in Hampshire.

High profile September event run in Richmond Park, Greater London.

Undulating 10 kilometres run through Exmoor starting at South Molton.

Good quality 10 kilometres road race with accompanying 3 kilometres fun run.

May race staged in Devon's largest city.

Series of 5K races for women across the UK in aid of Cancer Research.

Annual 14 miles race along the Welsh coast from Tywyn.

Berkshire's leading Half Marathon held annually in March.

Nottinghamshire's premier road race.

Series of races across South of England in aid of children's charities.

Contains details for Great Scottish Run and Britannic Asset Management Women's 10K.

3 mile category A fell (hill) race.

Spring marathon starting and finishing in Stratford-upon-Avon.

Yorkshire's major Marathon and Half Marathon races sponsored by Westfield Health Scheme.

Former World Mountain Runners Association Grand Prix event starting in Llanberis. Race known as "Ras Rhyngwladol Yr Wyddfa" to Welsh speakers.

North Wales race from Nant Peris to Llanberis.

Provides details of 10K Classic and Jim Peters Half Marathon plus other races in Southend area.

July race in Essex town.

Annual summer race on north east coast of Scotland.

March race in south west Scotland.

Autumn race in Wiltshire's largest town, held in association with 4.3 miles fun run and 2 miles kids run.

High quality 5.7 mile race traditionally held in Northumberland town in June.

Popular summer race starting at Hyde Park Corner.

62 mile trail race and hike in the Yorkshire Dales.

Originally known as the Powderhall Sprint this event, first staged in the 19th century, is now held at Musselburgh Race Course at Christmas time.

September event organised by Andover Rotary and Athletics Clubs.

Summer race starting at Paignton Green in Devon.

Torquay race first held in 1976.

Several laps of the largest of the Scilly Islands.

Autumn 5K road race plus 2K family fun run.

95 mile trail race from Milngavie to Fort William in Scotland.

May race on the north Kent Coast.

Cheshire's leading Half Marathon held each March. Regularly attracts some of the North's leading road runners.

September race in South London suburb.

September race in historic venue on outskirts of London.

Monthly series of 5K runs starting from Leasowe Lighthouse.

Annual Berkshire race held in February.