Waltham boys lacrosse
Conference: Dual County (Large)
| Date | Opponent | Time/result |
| Tue., March 31 | at Acton-Boxboro | 5:30 p.m. |
| Fri., April 3 | Lincoln-Sudbury | 4 p.m. |
| Tue., April 7 | Newton South | L, 8-6 |
| Wed., April 8 | at Lincoln-Sudbury | L, 15-3 |
| Thu., April 9 | Westford | W, 12-9 |
| Tue., April 14 | at Concord-Carlisle | L, 7-3 |
| Tue., April 21 | at Masconomet | L, 14-9 |
| Thu., April 23 | Norwood | 11 a.m. |
| Sat., April 25 | at Winchester | L, 11-5 |
| Tue., April 28 | Acton-Boxboro | 4 p.m. |
| Thu., April 30 | at Lincoln-Sudbury | L, 14-5 |
| Tue., May 5 | at Newton South | W, 13-9 |
| Fri., May 8 | at Westford | W, 11-10 (OT) |
| Tue., May 12 | at Lexington | L, 12-9 |
| Fri., May 15 | Arlington | W, 14-5 |
| Mon., May 18 | Andover | L, 10-8 |
| Wed., May 20 | at Chelmsford | 4 p.m. |
Schedules subject to change. To report a correction or an update, please notify the Globe sports department.
Updated: Monday, May 18, 2009, 8:10 p.m.
Schedules and results
