Workouts / HIIT
HIIT
Cobbled Mayhem
A 40-minute HIIT session designed to give you a taste of the sort of efforts pro riders make during Paris Roubaix and the Tour of Flanders.
Duration40:00
TSS52
IF0.88
Blocks11
Time40:00
TSS52
IF0.88
Profile
Targets in % FTP
100%50%0%
0:0020:0040:00
Z2 45% · 18 minZ3 5% · 2 minZ4 35% · 14 minZ5 10% · 4 minZ6 5% · 2 min
Intervals
11 blocksZ2
Warm-up
5:0065%Z3
Warm-up
2:0085%Z2
Recovery
2:0065%Repeat 2×
Z4
Interval
3:00100%Z4
Interval
2:00100%Z2
Recovery
4:0065%Z4
Interval
2:00100%Z4
Interval
2:00100%Z5
Interval
4:00110%Z6
Interval
2:00125%Z2
Cool-down
3:0065%What it trains
High-quality intervals target power, repeatability, and aerobic development for stronger race-day efforts.