Students from the Isle campus of the College of West Anglia ran, swam and cycled their way from Paris to London in a fundraising challenge for the RAF Benevolent Fund.
More than 70 students descended on the Hudson Leisure Centre in Wisbech to complete the 302.5-mile trek which took them the equivalent distance from the Arc de Triomphe to Marble Arch, the reverse of the route they did earlier this year in a similar fundraiser for Macmillan Cancer Support.
The students stormed their latest challenge, cycling 194 miles on a cycling machine, swimming 22 miles and running 86.5 miles.
And the swimming went so well they did more running and cycling to make use of the spare time!
It is hoped they will have raised around £800 during the day. Bryan Kettle, from the RAF Benevolent Fund, attended, as did three commandos from RAF Wittering who took part in some of the events.
The fundraisers was organised by Adi Kent and John Yare, both uniformed services lecturers at the Isle campus.