Another way of getting a good record is with Roy -
1. Don't pick up bat
2. Run to sandbag
3. Upsmash the sandbag consecutively*
4. When done about 3x charge up his 'fire' attack (b)*
Sandbag should get around >1500 feet.
Damage expected totals from each attack:
upsmash: >20% damage each.
3x -> >60% damage
charge up b attack: 50% damage.
*Attack need to hit sandbag at sweetspot (middle of sword)