PUBLISHED 01/07/2008
Easy Run (recovery zone)
Pace: One to two minutes slower than marathon pace
% Max heart rate: 65 to 70%
Perceived Effort: 3 to 4/easy
Talk Test: Complete conversation
Training Run (aerobic zone)
Pace: Marathon pace or slightly slower
% Max heart rate: 75 to 85%
Perceived Effort: 5 to 6/moderate
Talk Test: Full sentences
Tempo Run (threshold zone)
Pace: 20 to 30 seconds slower than 5-K pace
% Max heart rate: 88 to 92%
Perceived Effort: 7 to 8/hard
Talk Test: A few words at a time
Intervals (VO2 max zone)
Pace: Mile to 5-K pace or faster
% Max heart rate: 95 to 100%
Perceived Effort: 9/very hard
Talk Test: Can't...talk...must...run...
