Spirit CT 900 LED User Manual page 54

COAST GUARD
A timed 1.5 mile/ 2.4kph run. You control the speed manually. Maximum time allowed to pass the
test:
LAW ENFORCEMENT (PEB)
A timed 1.5 mile / 2.4kph run. You control the speed manually.
For more detailed information, visit: https://www.fletc.gov/peb-scores-age-and-gender
GERKIN
The Gerkin protocol, also known as the fireman's protocol, is a sub-max Vo2 (volume of oxygen)
test. The test will increase speed and elevation alternately until you reach 85% of your Max heart
rate. The time it takes for you to reach 85% determines the test score (VO2max) as shown in the
chart below.
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