Spirit CT 800 Owner's Manual page 17

What your score means:
VO2max Chart for males and very fit females
18-25
years
old
excellent >60
good 52-60
above
47-51
average
average 42-46
below
average 37-41
poor 30-36
very poor <30
VO2max Chart for females and de-conditioned males
18-25
years
old
excellent 56
good 47-56
above
average 42-46
average 38-41
below
average 33-37
poor 28-32
very poor <28
26-35 36-45 46-55
years years years
old old old
>56 >51
49-56 43-51 39-45
43-48 39-42 35-38
40-42 35-38 32-35
35-39 31-34 29-31
30-34 26-30 25-28
<30 <26
26-35 36-45 46-55
years years years
old old old
52 45
45-52 38-45 34-40
39-44 34-37 31-33
35-38 31-33 28-30
31-34 27-30 25-27
26-30 22-26 20-24
<26 <22
56-65 65+
years years
old old
>45 >41 >37
36-41 33-37
32-35 29-32
30-31 26-28
26-29 22-25
22-25 20-21
<25 <22 <20
56-65 65+
years years
old old
40 37 32
32-37 28-32
28-31 25-27
25-27 22-24
22-24 19-22
18-21 17-18
<20 <18 <17
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CT800