Sectionals - Men
October 17, 1998
at South Putnam
Avon 36, Plainfield 44, Cascade 106, Danville 127, Brownsburg 134. 
Individual winner: Evan Cooksey, Brownsburg, 16:12.

Regionals - Men
October 24, 1998
at Brebeuf
North Central 35, Lawrence North 83, Plainfield 94, Avon 109, Brebeuf 110. 
Individual winner: Greg Borlik, North Central (Indianapolis), 15:58.

Sectionals - Women
October 17, 1998
at South Putnam
Brownsburg 21, Avon 59, Greencastle 107, Plainfield 114, Danville 129. 
Individual winner: Julie Shields, Brownsburg, 16:54.

Regionals - Women
October 24, 1998
at Brebuef
Lawrence North 45, North Central (Indianapolis) 57, Brownsburg 78, Lawrence Central 91, Indianapolis Cathedral 133. 
Individual winner: Robyn Detty, Lawrence North, 14:55