Bit of an unfair comparison, but Jamie Chadwick did the Friday test session in the Euroformula Open F3 race at Silverstone last weekend.
http://www.euroformulaopen.net/uploa...fofreecomb.pdf
She finished the day 13th out of 15th, with 14 of those being regular Euroformula F3 runners, and one F3 Cup club racer at the back of the field who is probably at least twice the average age of the rest of the grid.