Aidan Clark had 20 points and Cole McAninch added 19 as the Axe trounced Heritage behind a big third quarter.
Heritage trailed by six at halftime, then South Eugene outscored the Timberwolves 30-15 in the third quarter and coasted from there.
Conner Childs had 15 points and Emari Brown added 14 for Heritage.
SOUTH EUGENE 87, HERITAGE 63
HERITAGE (5-5) — Capone Johnson 8, Emmari Brown 14, Trevor Cosgrove 2, Jalen Hinton 2, Xayvier Pitre 6, Keyler Struthers 6, Jared Padley 8, Conner Childs 15, Anthony Gay 2, Kevin Kenty 0. Totals 22 (9) 12-23 63.
SOUTH EUGENE (4-2) — Dylan Edwards 0, Remy Dunn 0, Jason Berryman 12, Sam Harris 8, Aidan Clark 20, Cole McAninch 19, Trey Nelson 2, Bryce Boettcher 6, Josh Paul 14, Jarrett Bryant 3. Totals 38 (6) 6-12 87.