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Swimming · Sprint

BROKEN 100

4 × 25 all-out, 10–20 s between

Time · 35 minDifficulty · Difficulty 4 of 5 — Very hardVery hard

WHAT IT TRAINS

100 race speed and the ability to hold it through the back half.

WHO IT'S FOR

Sprinters and competitive swimmers.

HOW TO DO IT

  1. 01Warm up 500 with a few fast 25s.
  2. 024 × 25 all-out with 10–20 seconds' rest. Add up the times.
  3. 03Swim 200 easy, then repeat 2–3 times.
  4. 04Cool down 200.

SCALED VERSION

4 × 25 with 30 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

Broken 100

4 × 25 all-out, 10–20 s between · Fit File Forge Workout Library: www.fitfileforge.com/workouts/library/broken-100

25 m pool

WARMUP500 mTarget: Swim instruction: EasyFREESTYLE

easy

4×Repeat

MAIN25 mTarget: Swim instruction: All OutFREESTYLE

all out

REST15 sec rest

ACTIVE200 mTarget: Swim instruction: EasyFREESTYLE

easy

4×Repeat

MAIN25 mTarget: Swim instruction: All OutFREESTYLE

all out

REST15 sec rest

ACTIVE200 mTarget: Swim instruction: EasyFREESTYLE

easy

4×Repeat

MAIN25 mTarget: Swim instruction: All OutFREESTYLE

all out

REST15 sec rest

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.