The vehicle overturned near Angmering in the early hours, causing delays.
Mohammed Rasauli is wanted on suspicion of causing Amber Street's death by dangerous driving.
Sam Herschell, from Camberley, will run from Eastbourne to Arundel in memory of his brother, Tom.
Arundel Lido has seen break-ins this summer and fears for the safety of those involved.
Relatives remember Amber Street, from Pagham, as Sussex Police continue to investigate the crash.
A festival celebrating dragonflies is under way as visitors are encouraged to spot the insects.
James Howell and Max Edginton set off on the 1,000 mile trip from Arundel, West Sussex, on Saturday.
Police said the woman, from Sidlesham, was pronounced dead at the scene of the crash in Arundel.
In the 18th Century, the government had big ambitions to turn Arundel into a thriving inland port.
