Megan Boxall becomes the fastest woman to run Britain's coastline.
The defences are the latest ones to be privately funded by residents of the purpose-built coastal village.
Bags of rocks are dropped onto the beach at Thorpeness to try to save properties at risk.
Max Morgan, who is from just outside Ipswich, is the writer and director of Breakwater.
The coastal village has been battered by winter storms causing the demolition of several homes.
Sophie Marple is told sea defences she led the calls for will not cover her home or her neighbour's.
With more homes at risk at Thorpeness, a council is buying bags of rocks to place on the shore line.
Villagers hope the temporary rock bags can slow erosion until a longer-term plan is created.
As 10 homes are demolished this winter, villagers say more needs to be done right now, and long term.
