6min from 35 to 70% FTP5x 15sec @ 130% FTP,
30sec @ 50% FTP
2min @ 50% FTP10x 40sec @ 117% FTP,
20sec @ 50% FTP
5min @ 60% FTP8x 40sec @ 117% FTP,
20sec @ 50% FTP
5min @ 60% FTP6x 40sec @ 117% FTP,
20sec @ 50% FTP
5min @ 60% FTP4x 40sec @ 117% FTP,
20sec @ 50% FTP
5min 15sec from 70 to 35% FTP
Workout overview

Duration: 1h

Stress points: 73

Zone distribution

Z1: 22m

Z2: 18m

Z3: -

Z4: -

Z5: 19m

Z6: 1m

36%
31%
0%
0%
31%
2%

Author: John Levison

This FTP Booster session is based around four sets of '40 seconds on, 20 seconds off' intervals, each separated by 5 minutes recovery. The number of repetitions will descend each set (10/8/6/4) in number, to reflect to fatigue that will have been accumulated from the previous work. However, don't expect it to get much easier...

Download workout More workouts like this

FAQ: How to use custom workouts in Zwift?

  • 50 Shades of Power!

    1h | 75 SP

  • 60 Minutes of Jinx

    1h | 73 SP

  • 40/20's FTP Booster

    1h | 73 SP

  • A bit (more) speed too

    1h | 70 SP

  • A bit of speed too

    1h | 69 SP

  • Adam Bowden - The Surge

    1h 3m | 75 SP

  • Bex Rimmington Maximal Efforts

    1h 3m | 71 SP

  • Bottrill's Ramps to Max

    1h 5m | 83 SP

  • Bottrill's Sweetspot Attack

    1h 5m | 69 SP

  • Chase To Race Your Dream

    1h | 67 SP

  • Chili Tri Spicy 45

    45m | 65 SP

  • Club Relays Madness

    1h | 70 SP

  • Countdown - 4,3,2,1 !!!

    1h 2m | 73 SP

  • Dare To Tri Workout

    1h | 67 SP

  • Debbie's Killer 7's

    1h | 79 SP

  • Debbie's Killer Minutes

    1h | 74 SP

  • Debbie's Killer Sandwich

    1h | 77 SP

  • Espresso Coaching 2:1

    1h | 74 SP

  • Espresso Spicy Tempo

    1h | 66 SP

  • Gill's Lactic Legs Challenge

    1h 10m | 90 SP

  • Glasgow Revisited

    1h | 71 SP

  • Harry Wiltshire Grim Reaper

    1h 5m | 88 SP

  • Helen Jenkins - Breakaway!

    1h | 76 SP

  • Helen Jenkins' Power Hour

    1h | 71 SP

  • Hot Stuff

    1h | 64 SP

  • Hywel's Hurtbox Time Bomb

    1h | 82 SP

  • IronTarsh - Stomp The Pedal!

    1h | 71 SP

  • Jenny Gowans Norse Steps

    1h 5m | 79 SP

  • Joe Skipper Burner

    1h 5m | 93 SP

  • John Levison High Five

    1h | 80 SP

  • John Levison - Russian Steps

    1h | 73 SP

  • Karl Alexander - The 13:50

    1h | 86 SP

  • Karl Alexander V0 2 the Max

    1h | 83 SP

  • Kyle Smith's Over/Unders

    1h | 60 SP

  • Lesley Levison - Spiked Tempo

    1h 7m | 74 SP

  • Lionel Sanders Intervals

    1h 10m | 86 SP

  • Lucy Charles over-unders

    1h | 71 SP

  • Lucy Gossage 12 Days

    1h 18m | 89 SP

  • Lucy Gossage: Macro to Micro

    1h | 80 SP

  • Lucy Gossage's New Year Set

    1h | 73 SP

  • Matt Bottrill Lactic Builder

    1h | 79 SP

  • Matt Bottrill's Pace Variation

    1h 2m | 84 SP

  • Micro Burst Intervals

    1h | 74 SP

  • Micro Burst Intervals 2

    1h 2m | 70 SP

  • Nikki Bartlett's Tough 10's

    1h | 69 SP

  • OTCF - Get Off That Couch!

    1h | 77 SP

  • Oxygenaddict's Triple Pyramid

    1h | 70 SP

  • Paul Lunn's Kona Quest

    1h 4m | 76 SP

  • Paul Shanley 70.3 Minutes

    1h 10m | 92 SP

  • Paul Shanley Pyramids

    1h 10m | 81 SP

  • Power Builder Series Week 1

    1h 3m | 60 SP

  • Power Builder Series Week 2

    1h 13m | 68 SP

  • Power Builder Series Week 3

    1h 8m | 71 SP

  • Power Builder Series Week 4

    1h 10m | 74 SP

  • Progressive 4x4's

    1h 3m | 80 SP

  • Race Force ChainGang

    1h | 78 SP

  • Ramp it up to the X

    1h 7m | 80 SP

  • Reece Barclay Mix Session

    1h | 78 SP

  • Rhys Jones - All Heart

    1h | 79 SP

  • Richard Stanard FTP Advancer

    1h 15m | 109 SP

  • Ruth Purbrook Over Gears

    1h 20m | 101 SP

  • Sam Begg - What Goes Up

    1h | 80 SP

  • Sam's VO2max Preload

    1h | 80 SP

  • Short and Sweet(spot)

    1h 4m | 67 SP

  • Sid's Inverted Pyramids

    1h | 66 SP

  • Sid's Pyramid Adventure

    1h | 64 SP

  • Simon George - The Giant

    1h | 79 SP

  • Super Sam's Double Dozen

    1h | 73 SP

  • Sweetspot Sandwich

    1h | 67 SP

  • Sweetspot with a kick

    1h | 67 SP

  • Tempo with a Twist

    1h | 73 SP

  • The Championship Decider

    1h 32m | 102 SP

  • The Dragon

    1h | 70 SP

  • The Kitchen Sink

    1h 4m | 75 SP

  • The Lockdown Roller

    1h | 62 SP

  • The Lockdown Roller 2

    1h | 64 SP

  • The Small but Mighty!

    1h 5m | 75 SP

  • The Sweet Ladder

    1h 2m | 71 SP

  • The Tom Davis 4x4

    1h | 65 SP

  • The TT Blaster

    1h | 71 SP

  • Tim Don Comeback Workout

    1h | 59 SP

  • Tom Davis - Over/Unders

    1h | 66 SP

  • Turning the Screw

    1h | 79 SP

Similar workouts

  • 5. VO2max Development

    52m | 67 SP

  • Super Sam's Double Dozen

    1h | 73 SP

  • Turning the Screw

    1h | 79 SP

  • 7. VO2max Development

    1h 1m | 75 SP

  • VO2max Development

    1h 1m | 75 SP

  • WKG - W4W1

    1h | 77 SP

  • SZRGWO 05.0

    1h | 82 SP

  • SZRGWO 05.1

    1h | 82 SP

  • 6. Max Aerobic

    1h | 70 SP

  • Max Aerobic

    1h | 70 SP

  • Day 7: Hayman's Hustle 2017

    55m | 81 SP

  • VO2: 5x3 + 2x10 SST

    1h 22m | 103 SP