You seem intent on using the expression 'grueling race', so go ahead. But you should realize that it's an unusual expression in the context of the given sentence. It rather overpowers the main point of the statement: "You are trying to avoid the issue."
You might try using 'grueling race' in a separate sentence, or set if off with a semi-colon, thereby toning it down a bit.
"I see (notice
) your grueling race. Desperate to find a way (or the means
) to prevaricate, rather than simply facing the facts."
Alternatively: ".... grueling race; desperate to find ...."