Workouts / Interval
Interval
Sweet Spot 3x18min (Time-Crunched)
Tuesday: Week 2 load. Extended to 3x18min. Building volume.
Duration1:44:00
TSS94
IF0.74
Blocks4
Time1:44:00
TSS94
IF0.74
Profile
Targets in % FTP
100%50%0%
0:0052:001:44:00
Z1 48% · 50 minZ3 52% · 54 min
Intervals
4 blocksZ1
Warm-up20 min progressive warm-up
20:0050%Repeat 3×
Z3
IntervalSweet Spot: 88-92% FTP. Metabolic engine builder
18:0090%Z1
Recovery5 min easy spin recovery
5:0050%Z1
Cool-down15 min easy cool down
15:0050%What it trains
Sweet spot work builds muscular endurance and FTP efficiently by stacking quality time just below threshold.