SELECTING THE ZONE
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 5
50 - 59%
60 - 69%
70 - 79%
80 - 89% 90 - 100%
155
65 78 - 93
94 - 109
110 - 124
125 - 139 140 - 155
160
60 80 - 96
97 - 112
113 - 128
129 - 144 145 - 160
165
55 83 - 99
100 - 116
117 - 132
133 - 148 149 - 165
170
50 85 - 102
103 - 119
120 - 136
137 - 153 154 - 170
175
45 88 - 105
106 - 123
124 - 140
141 - 157 158 - 175
180
40 90 - 108
109 - 126
127 - 144
145 - 162 163 - 180
185
35 93 - 111
112 - 129
130 - 147
148 - 166 167 - 185
190
30 95 - 114
115 - 133
134 - 152
153 - 171 172 - 190
195
25 98 - 117
118 - 137
138 - 156
157 - 175 175 - 195
Max
HR
Age
Percentage of Max Heart rate (Beats per Minute)
HE
AR
T
RA
TE
200
180
160
140
120
100
80
60
200
180
160
140
120
100
80
60
20
30
40
50
60
70
AGE
A
H
O E 8
AN EROBIC
T RESHOLD
Z N 0-90%
MHR
1
R D LINE
O E
90- 0 %
H
E -
Z N
0 M R
WEIG MA
GEMENT O
E 6 -7 MH
HT
NA
Z N 0
0%
R
E
-
A ROBIC ZO
E
70 80
M R
N
% H
Y HEA
N 60%
H
HEALTH RT ZO
E 50-
M R
Maximum Heart Rate (MHR) = 220 - AGE
HE
AR
T R
AT
E
TARGET ZONE
200
20 100 - 120
121 - 140
141 - 160
161 - 180 181 - 200
205
<18 101 -121
122 - 141
142 - 162
162 - 182 183 - 205
Healthy Heart
Weight Loss Aerobic
Anaerobic Red line
YORK P30 HRM / 20