This is the 10072nd most frequent Portuguese word.
duraram
"Duraram" means "they lasted" or "they endured" in English.
Here, 'duraram' is used to describe the extent of time the games persisted.
Os jogos duraram horas.
The games lasted hours.
In this context, 'duraram' refers to the longevity or endurance of the flowers.
As flores que plantei duraram muito mais do que o esperado.
The flowers I planted lasted much longer than expected.
'Duraram' here indicates the duration of the concerts throughout the night.