Workouts / Interval
Interval
60 Minute Increase Your Threshold Power Indoor Workout
An intense 60-minute session designed to increase your threshold power with two long efforts at just below FTP.
Duration1:00:00
TSS64
IF0.80
Blocks4
Time1:00:00
TSS64
IF0.80
Profile
Targets in % FTP
100%50%0%
0:0030:001:00:00
Z1 50% · 30 minZ4 50% · 30 min
Intervals
4 blocksZ1
Warm-upGradual warm-up bringing heart rate and cadence up
10:0050%Repeat 3×
Z4
IntervalSustained threshold effort at FTP
10:00100%Z1
RecoveryEasy spinning recovery
4:0055%Z1
Cool-downCool-down and bring heart rate down
8:0050%What it trains
Threshold work improves sustainable power near FTP and helps riders hold pace longer in time trials, breakaways, and long climbs.