Sports is considered as the most important thing in Doha. teh government invests a lot in the sector. Most popular sports is of course Football, however stadiums altough with very big capacity are never full (just few hundreds attend matches) except in the semi final and the final of the Emir's cup (this is when stadium get really packed).
Qatar alos organize many sports acitivities: You've got the Tour de Qatar (Cyclism) in January, 2 Tennis Tournamment for Men & Ladies (with international names)in February, the Qatar Grand Prix for Athletism in May, Motor GP in April...
Of course Qatar will host the Indoor Asian Games 2011