Cycling · VO2max
THE MCCARTHY SPECIAL
3 rounds: 3 min @ 100% · 3 @ 112% · 3 @ 125%, then 9 min easy
THE STORY
The Zwift workout named after Mike McCarthy: three blocks of 3 minutes at 100%, 112% and 125% FTP, separated by 9-minute recoveries. Fit File Forge isn't affiliated with Zwift.
Sources
- The McCarthy Special — What's on Zwift
WHAT IT TRAINS
Threshold into VO2max into anaerobic — every system, stacked.
WHO IT'S FOR
Strong riders who want a famous indoor pain cave.
HOW TO DO IT
- 01Warm up 10 minutes, ramping up.
- 023 minutes at 100%, 3 at 112%, 3 at 125% FTP.
- 039 minutes easy (about 60% FTP). Repeat for 3 rounds.
- 04Cool down 5 minutes.
SCALED VERSION
2 rounds, with the top step at 115% FTP.
Build the scaled version in Forge →TARGETS THAT FIT YOU
Every target is a percentage of FTP. Your Garmin applies it to the FTP saved on your device or in Garmin Connect, so the same workout fits every rider — keep your FTP up to date.
THE WORKOUT, STEP BY STEP
CYCLING1h 09min
The McCarthy Special
3 rounds: 3 min @ 100% · 3 @ 112% · 3 @ 125%, then 9 min easy · Inspired by Mike McCarthy. · Fit File Forge Workout Library: www.fitfileforge.com/workouts/library/mccarthy-special
WARMUP10 minTarget: 50-75% FTP
Build from 50% to 75% FTP.
INTERVAL3 minTarget: 97-103% FTP
INTERVAL3 minTarget: 108.64-115.36% FTP
INTERVAL3 minTarget: 121.25-128.75% FTP
RECOVERY9 minTarget: 58.2-61.8% FTP
Easy.
COOLDOWN5 minTarget: 48.5-51.5% FTP
RELATED WORKOUTS
- CyclingVO2maxDifficulty 5 of 5 — Elite
VO2 Pyramid
1-2-3-4-5-4-3-2-1 min at VO2max, equal recovery
1 h 20 - CyclingRace simulationDifficulty 4 of 5 — Very hard
Chase Intervals
3 × (1 min at 130% + 4 min at 100–105% FTP)
1 h
NOT HERE? DESCRIBE IT.
Type any session the way you'd tell a training partner — Forge turns it into a Garmin workout in seconds, and your coach can plan the weeks around it.
Garmin and Garmin Connect are trademarks of Garmin Ltd. or its subsidiaries. Zwift is a trademark of Zwift, Inc.; Fit File Forge isn't affiliated with Zwift. Athletes and coaches named here don't endorse Fit File Forge.