I traveled from NP to Coromandal at 27weeks which is a bit different but I was fine. Just took plenty of snacks and pillows and wore the most comfy clothes I could find.
Rememeber to bring your midwife notes, *should* something happen, then you can take them to the hosp or whereever and they'll be able to know everything about your pregnancy.
The bowl of brooklands is awesome, bring a picnic blanket and you can just lie down if you're feeling tired. It's not the kind of festival
where you have to be standing the whole time
I say go lol, you'll love it!
I'm taking my baby who will be 11.5 months. Can't wait!!!!