The price of the marathon does not include any food or drinks.
There is a restaurant, 'Zouthaven', inside the building where you can order a variety of drinks and foods. There is a very large outside terrace, with view of the IJ harbour, where you can enjoy your lunch, dinner, drinks as well.
We are very near the Amsterdam centre, 10min from the Central Station and the Wallen (red light) district.
In this area there is an abundance of restaurants, bars and what have you.
The Amsterdam tangomarathon has no live-music, dance performances or workshops. Nor is there a market with stands for shoes or clothes.