http://idpa.com/rulebook5-2-01/rulebook_new.htm
· 75% of all shots required in a match must be 15 yards or less; however, occasional targets out to 35 yards are to be encouraged.
· No ‘strong hand only’ strings of fire may require the shooter to engage targets more than 10 yards distant.
· No ‘weak hand only’ strings of fire may require the shooter to engage targets more than 7 yards distant.
· No head box shots are to be required more than 10 yards distant.
and...
3. Most shots should be held to 5 – 15 yards.