Istanbulpark is in Tuzla, Istanbul. It’s a bit far from city center in Asian side. So it’s better to go through Kadikoy from european side of the city.

So by bus; you can get on public buses from Kadıköy, which are scheduled just for F1 Istanbul Grand Prix. There will be buses from 7 am to 2 pm from Kadiköy to IstanbulPark. And between 2pm – 7pm there will be buses from Istanbulpark to Kadıköy.

If you want to go by taxi; it costs nearly 60TL from Kadikoy to Istanbulpark.

If you want to check here is how you can get Kadikoy from Sultanahmet