If you are planning on running with the bulls, good luck to you. I did it and it was great.
My buddy and I were experiencing Europe for 10 weeks in 2001 and realyl wanted to get to Pamplona for the run. But, since we had no idea when we would actually get to make our way there, we had to make last minute plans. So, we were in Madrid and figured we would make our way to Pamplona from there. We threw our bags in a locker in the train station and went on the 5 hour (I think it was 5 hours) trip. We got there not long after the first run and knew we would be spending that whole day and night before getting the chance to risk our lives.
He and I got some drinks, walked around the city, met others like us, and were very excited for the next morning. Unfortunately, we were pretty stupid when we planned this excursion to Pamplona. We did not take into consideration that it might get a little chilly at night. And it did.
I wish we would have had pants. Cuz the minute the sun went down, the chill began. YIKES! We spent all night looking for an ATM vestibule with room to sit in to no avail. We walked around as long as we could before realizing we were not keep nearly as warm as we need. We found an Indian restaurant and had cous cous (we had very little money) for about 2 hours somehow and then back to the streets. It was wretched.
So, moral of the story…. wear pants and long sleeves. Sure I ran with the bulls and survived, but I was lucky to survive through the night.
Sorry if this posting was way too long. I guess I could have just given the advice. But that would be too easy.