Rockville Centre athletes who train at CrossFit “The Rock” produced impressive results in last weekend’s 5K and 10K races. Among the more notable performances, Liz Fernandez (41:30) was the second overall female finisher in the 10K and Tom Walsh (18:29) placed second overall in the 5K. Also in the 5K race, Christine Umstatter (24:51) took first place in the female 20-24 division. In the 10K race, Tom Umstatter (43:12) garnered third place in the male 25-29 division and Dennis Graham (45:35) ran to a second place finish in the male 20-24 division. In all, 25 athletes from CrossFit “The Rock” competed in the weekend’s races and took home a total of seven age-group medals.