Here in Florence you can make any sport you want.
If you love golf, every year there is the Ponte Vecchio Golf Challenge, a competition of 3 days for experts, on a unique field: the Arno shores in front of Ponte Vecchio.
If you love tennis, we suggest:
Campi Tennis Visarno www.ctfirenze.it
Tennis Michelangelo https://plus.google.com/104287455025636101871/about?gl=it&hl=en
Tennis San Marco Vecchio www.asdtennissanmarcovecchio.it
If you like running, Florence is the location of competitive and amateur runs like:
Firenze Urban Trail www.firenzeurbantrail.com/it/ every year in March, a 13km run at night, completed in the following days by a 12 km run a 26km run and a 42 km run, all scheduled daytime.
Guarda Firenze www.firenzemarathon.it/index.php?option=com_content&view=article&id=47&Itemid=139&lang=it
Every year in march, a 10 km run for runners or a 2km run for amateurs, lets every participant, from Florence or not, to have a nice run around the artistic beauties of Florence.
Corri la Vita www.corrilavita.it/ every year in September you can join the found-raising run for the research and the improvement of specialized structures against breast cancer: you can run, walk, or simply buy and wear your T-shirt!
Notturna di San Giovanni www.firenzemarathon.it/index.php?option=com_content&view=article&id=48&Itemid=140&lang=it
Every year to celebrate the Saint protector of the city there is a 10km run at night and a 4km amateur run for families.
Firenze Marathon www.firenzemarathon.it/index.php?lang=it every year in November 42 km e 195 meters with centuries of art, history and culture.
If you simply want to move a bit you can go to the Cascine park where you can rent bicycles and rollerblades.