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Vo2 Test
The VO2 test is based on the Gerkin protocol, also known as the fireman's protocol, and is a
sub-max Vo2 (volume of oxygen) test. The test will increase speed and elevation alternately until
85% of Max heart rate is attained. The time it takes the heart rate to reach 85% determines the
test score (Vo2 max) as shown in the chart below.
Stage
Time
1
0 to 1:00
2.1
1:15
2.2
1:30
2.3
1:45
2.4
2:00
3.1
2:15
3.2
2:30
3.3
2:45
3.4
3:00
4.1
3:15
4.2
3:30
4.3
3:45
4.4
4:00
5.1
4:15
5.2
4:30
5.3
4:45
5.4
5:00
6.1
5:15
6.2
5:30
6.3
5:45
6.4
6:00
7.1
6:15
7.2
6:30
7.3
6:45
7.4
7:00
8.1
7:15
8.2
7:30
8.3
7:45
8.4
8:00
9.1
8:15
9.2
8:30
9.3
8:45
9.4
9:00
10.1
9:15
10.2
9:30
10.3
9:45
10.4
10:00
11.1
10:15
11.2
10:30
11.3
10:45
11.4
11:00
Speed
Grade
VO2 Max
4.5mph
0%
31.15
4.5mph
2%
32.55
4.5mph
2%
33.6
4.5mph
2%
34.65
4.5mph
2%
35.35
5.0mph
2%
37.45
5.0mph
2%
39.55
5.0mph
2%
41.3
5.0mph
2%
43.4
5.0mph
4%
44.1
5.0mph
4%
45.15
5.0mph
4%
46.2
5.0mph
4%
46.5
5.5mph
4%
48.6
5.5mph
4%
5.5mph
4%
51.4
5.5mph
4%
52.8
5.5mph
6%
53.9
5.5mph
6%
54.9
5.5mph
6%
5.5mph
6%
6.0mph
6%
57.7
6.0mph
6%
58.8
6.0mph
6%
60.2
6.0mph
6%
61.2
6.0mph
8%
62.3
6.0mph
8%
63.3
6.0mph
8%
6.0mph
8%
6.5mph
8%
66.5
6.5mph
8%
68.2
6.5mph
8%
6.5mph
8%
70.7
6.5mph
10%
72.1
6.5mph
10%
73.1
6.5mph
10%
73.8
6.5mph
10%
74.9
7.0mph
10%
76.3
7.0mph
10%
77.7
7.0mph
10%
79.1
7.0mph
10%
50
56
57
64
65
69
80
15
MT200
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