Title is long I know but the 500 group of Teesside confirmed on there website the Transporter Bridge event in April will not happen this year or mostly like not there again. Down below is what they have said about the event

Sadly, it is not proved practical to organise a 2022 Teesside Running Day in its traditional April slot nor at its Transporter Bridge base. We are looking for an alternative venue, perhaps for a reduced, September event and we will provide updates here