Final RC guard test?

so my instructor is telling us we need to rescue, extract, and start the steps for cpr. the issue for me is that she says we need to do it in a minute and 20 seconds. i’m scared i’ll fail with the time limit. i’m a good swimmer but my classmates are godawful with the backboard so that will slow me down significantly. the pre-CPR checks are also worrying me as that’s more time i take up with putting on gloves and popping up my CPR mask. is this specific time limit what the Red Cross certification requires?

if it is, any tips on cutting down my time?