- MONADNOCK SPEEDWAY RTE 10 WINCHESTER, NH 603-239-4067 Fastest Quarter Mile in the Northeast THE OFFICIAL RV SUPERSTORE OF MONADNOCK SPEEDWAY UNITED WE STAND! SATURDAY - JUNE 15th EVENT LONGVIEW RV SUPERSTORES PRO STOCK 50 LAP TRIPLE CROWN SERIES RACE SOUTHERN NEW ENGLAND MODIFIEDS LATE MODELS * STRICTLYS *MINI STOCK*4-CYLINDER ENDUROS QUALIFYING STARTS AT 6PM!www.monadnockspeedway.com