Kelso Harlequins and Edinburgh Vikings also made it to the semi-finals at Jedburgh’s Riverside Park, the former losing 38-5 to Hawick and the latter 22-10 to Gala.
The other teams taking part were Melrose Wasps, Hawick Youth B, Duns Colts, Peebles Colts, Selkirk Youth Club, Morpeth Colts and Tynedale Colts.
Saturday’s success took Hawick’s points tally to 43, 11 more than runners-up Gala.
Selkirk were third with 23, Kelso fourth with 22, Peebles fifth with 21, Jed sixth with 17 and Melrose eighth with 13.
1. Jed Thistle 7s
Hawick Youth's Finlay Douglas, supported by Sean McMichan, at Jed Thistle's sevens at the weekend Photo: Bill McBurnie
2. Jed Thistle 7s
Jed Thistle's Mark Glen being brought down by Edinburgh Vikings at Jedburgh's Riverside Park Photo: Bill McBurnie
3. Jed Thistle 7s
Jed Thistle's Callum Wyness scoring against Edinburgh Vikings at Jedburgh's Riverside Park on Saturday Photo: Bill McBurnie
4. Jed Thistle 7s
Gala Wanderers' Kerr Johnston on the ball against Peebles Colts at Jed Thistle's sevens Photo: Bill McBurnie