During her day job, Nashua Eye ophthalmic technician Regina DeMatteo carefully checks eye pressures and examimes the pupils of glaucoma patients.  During her free time, she runs up and down mountains, competing in Spartan endurance obstacle races.  Obstacles include crawling beneath barbed wire, swimming, and lugging sand bags, water buckets, and logs.  Regina has completed Spartan Races in Pennsylvania and Massachucets.  Most recently, on September 17, she completed "the beast" in Killington, Vermont in 8 hours and 40 minutes.  She stays in shape by competing and draws inspiration fom the comraderie with her fellow competitors. "If I can't make it over a wall", Regina says, "the other racers will help me over."