The annual event involved pupils taking part in a particular activity for 12 hours to raise funds for charity.
Each year, the marathon was held in aid of a different cause – in 1999 it was the British Heart Foundation.
That year, 250 pupils signed up for the event – a record number.
That year, 250 pupils signed up for the event – a record number.
![Boston Grammar School pupil Craig Hallett taking part in a sponsored 12-hour selince.](https://www.lincolnshireworld.com/webimg/b25lY21zOjY0M2MxNGY4LTdjNzUtNGNmZC1hN2Q5LWI1YzQ5ZGZjMmRjYjozMjgwNTE3Yi04YzEzLTRmYWMtODY3OC01Zjk4Mzk3MjYxZmM=.jpg?crop=3:2&width=800)
5. Boston Grammar School 12-hour marathon, 1999
Boston Grammar School pupil Craig Hallett taking part in a sponsored 12-hour selince. Photo: Boston Standard
![LEFT: Adrian Samsam, Nick Worricker and Toby Christian, passing the time musically. RIGHT: Simon Prue raising £142 for the British Heart Foundation by spending 12 hours working on his computer.](https://www.lincolnshireworld.com/webimg/b25lY21zOjI3MmJmYzZlLWQ3YWYtNDIyMC04ODRiLTllNjA1OTU2MzEzMzpiZWU2MGQ4MS01ZjM5LTRlMGMtOThiMS0xNmIzOTU3MjE4ZDc=.jpg?crop=3:2&width=800)
6. Boston Grammar School 12-hour marathon, 1999
LEFT: Adrian Samsam, Nick Worricker and Toby Christian, passing the time musically. RIGHT: Simon Prue raising £142 for the British Heart Foundation by spending 12 hours working on his computer. Photo: Boston Standard
![Another photograph from The Standard's visit to the 12-hour marathon. This picture was not carried in The Standard in 1999, so we do not have a caption for it. Is it the tuck shop in action? If you know what this photograph shows in particular, let us know on news@bostonstandard.co.uk](https://www.lincolnshireworld.com/webimg/b25lY21zOjljNDgyMzgwLTdiOWItNGRiNy1iMDY2LWY3ZTA2MWE4NTEyYjo2YWFiNzMzMS1lYzdhLTQzNzMtYTJmOS05YWNmZGIxMWE5NWM=.jpg?crop=3:2&width=800)
7. Boston Grammar School 12-hour marathon, 1999
Another photograph from The Standard's visit to the 12-hour marathon. This picture was not carried in The Standard in 1999, so we do not have a caption for it. Is it the tuck shop in action? If you know what this photograph shows in particular, let us know on [email protected] Photo: Boston Standard
![Marathon organisers Paul Singleton and Robert Barclay keeping an eye on the progress of the day.](https://www.lincolnshireworld.com/webimg/b25lY21zOmJiMGEyMWUyLTE5ZTItNDI5ZS05ZWFkLTU3MWUxMGVhODAzYjoyYmIyMWQ0Yy1iMWNhLTQzMDEtYTljZi1hNGU2MWY0NmQyN2I=.jpg?crop=3:2&width=640)
8. Boston Grammar School 12-hour marathon, 1999
Marathon organisers Paul Singleton and Robert Barclay keeping an eye on the progress of the day. Photo: Boston Standard