Skip to content

Swimming · Distance

GRANT HACKETT 30 × 100

30 × 100: 10 moderate · 10 hard · 10 very hard

Time · 1 h 10Difficulty · Difficulty 5 of 5 — EliteEliteInspired by · Grant Hackett

Elite session. As written this is for very experienced, high-volume athletes. Most people should start with the scaled version below.

THE STORY

A mid-season Grant Hackett workout from coach Denis Cotterell has 30 × 100 free on 1:40: ten at max heart rate minus 30, ten at minus 20, ten at minus 10. We carry it as effort levels; the 1:40 send-off is elite — scale it to yours.

WHAT IT TRAINS

Aerobic power and pace control across three intensity bands.

WHO IT'S FOR

Strong club and distance swimmers.

HOW TO DO IT

  1. 01Warm up 600.
  2. 0210 × 100 at a moderate effort (heart rate about 30 below max).
  3. 0310 × 100 hard (about 20 below max). 10 × 100 very hard (about 10 below max).
  4. 04All on the same send-off. Cool down 200.

SCALED VERSION

3 × 5 × 100 with 15–20 seconds' rest.

Build the scaled version in Forge →

TARGETS THAT FIT YOU

Swims use Garmin's effort levels (easy, moderate, hard, all out…). Send-offs listed as clock times are the original, elite intervals — scale them to leave yourself the rest the set intends.

THE WORKOUT, STEP BY STEP

SWIMMING

Grant Hackett 30 × 100

30 × 100: 10 moderate · 10 hard · 10 very hard · Inspired by Grant Hackett. · Fit File Forge Workout Library: www.fitfileforge.com/workouts/library/hackett-30x100

25 m pool

WARMUP600 mTarget: Swim instruction: EasyFREESTYLE

easy

10×Repeat

MAIN100 mTarget: Swim instruction: ModerateFREESTYLE

heart rate about 30 below max

RESTSend-off every 100s

on 1:40

10×Repeat

MAIN100 mTarget: Swim instruction: HardFREESTYLE

about 20 below max

RESTSend-off every 100s

on 1:40

10×Repeat

MAIN100 mTarget: Swim instruction: Very HardFREESTYLE

about 10 below max

RESTSend-off every 100s

on 1:40

COOLDOWN200 mTarget: Swim instruction: EasyFREESTYLE

easy

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.