OMAHA, Neb. - Senorita Conchita registered her first career stakes win as she held off defending champion Jane of Arcadia by 1 1/2 lengths in the $28,800 Falls Amiss Handicap for older Nebraska-bred fillies and mares on Friday evening at Horsemen's Park.\nSenorita Conchita, ridden by Luis Ranilla for trainer Herb Riecken, took over the lead after a half-mile of the one-mile race, then withstood a challenge from Jackie Bea Star nearing the stretch to kick clear again. Ranilla kept the 4-year-old filly clear as Janes of Arcadia made a run through the stretch. \nSenorita Conchita returned $4 as the favorite in the field of seven and teamed with Jane of Arcadia for a $16.20 exacta. She covered the mile over a fast track in 1:41.40 to post her second win of the year from six starts. \nThe weather has been rare for Omaha at this stage of summer with temperatures in the high 70's on Friday evening as Horsemen's Park conducted the second day of its Festival of Racing. An estimated crowd of well over 10,000 turned out for the five-race card.