Speed figures: Find out Friday's fastest across the country

Pura Vida Princesa led all Friday performers with a 137 Horse Racing Nation speed figure in an allowance-optional claiming turf mile at Del Mar. The 4-year-old daughter of Uncle Mo, trained by Doug O'Neill, was the 7-2 third choice in a field that was scratched down to four. She stalked the pace, took the lead in upper stretch, and cleared in the final furlong to win by 1 3/4 lengths. It was her…