AMRAP With Friends

10 minute AMRAP

The Oarsman

Cardio capacity · Engine Room · intensity 3 of 5

The workout

As many rounds as possible in 10 minutes of:

Overview

The Oarsman is 10 down-ups, 10 back widow, and 20 mountain climbers. The work moves through the full body, the upper back, and the midline instead of sitting on one muscle.

Muscles worked

Energy systems

These are overlapping contributions. This workout is not assigned to one energy system.

  • Glycolytic: Moderate
  • Oxidative: High
  • Neuromuscular: Low

Training effect

Immediate demand

10 minutes, intensity 3 of 5. Today the limiter is 20 mountain climbers.

Intended stimulus

The same capacity work, with movements you can repeat for the whole clock. On this workout that is 10 down-ups, 10 back widow, and 20 mountain climbers.

Repeated practice

Repeat the same workout and compare the score. What can change over weeks is how long that pace lasts. One time through does not produce that change.

Body-composition context

Body weight changes with the rest of how you eat and train. This workout is one piece of work on one day.

Expected feel

20 mountain climbers is where the round gets hard. The other movements still have to be finished after it.

Pacing

Floor transitions keep the lungs hot while widows load the rhomboids. Climbers are the active flush — hips level.

20 mountain climbers is where the round gets long. That set is where a planned break belongs. If that set falls apart, shorten the down-ups on the next round rather than rushing it.

The movements

Down-Ups

This movement is all about hip-hinge efficiency. Minimize the time spent with your hands on the floor.

What not to do. Popping the chest up before the hips, so the body peels off the floor in sections.

Back Widow

Do not turn this into a core crunch. Your lower back and glutes must stay anchored to the floor. The only reason your torso lifts is because your lats and rhomboids are pressing the earth away.

What not to do. Turning the lift into a crunch so the lower back and hips leave the floor.

Mountain Climbers (Total)

Keep your shoulders stacked directly over your wrists. If you drift backward, you lose leverage and the movement slows down completely.

What not to do. Landing the driving foot short, so the knee never gets near the chest.

Why these movements

The work moves through the full body, the upper back, and the midline instead of sitting on one muscle.

Scaling

Keep the round short enough to repeat. Drop reps so you can stay moving, rather than resting the round into a different workout.

Down-Ups

  • Step the feet. Step back and step in instead of jumping. Same shape, no impact.
  • Hands elevated. Hands on a bench or step so the floor never comes all the way up to you.
  • No jump at the top. Stand tall and reach instead of leaving the floor.

Back Widow

  • Shorter lift. Drive into the floor but only lift as high as you can control without the hips or neck cheating.
  • Hold the squeeze. Reach the top and freeze for a count instead of cycling reps. Same drive, less fatigue management.

Mountain Climbers (Total)

  • Low impact. Keep one foot down throughout — march the pattern instead of running it.
  • Slower cadence. Same movement, fewer beats per minute. Cadence is the dial, not the shape.

Mistakes and who it is for

  • Opening the down-ups at a sprint makes the mountain climbers the piece that falls apart.
  • Resting until you feel fresh between movements removes the point of keeping them in one round.
  • Letting 20 mountain climbers fail before you break it is how the next round gets longer.

Suited to someone who wants 10 minutes through Down-Ups, Back Widow, Mountain Climbers (Total).

Scoring and progression

Work through the movements in the order listed, then start the next round. Your score is the number of complete rounds plus any reps of the round you were partway through when the clock hit zero — written as rounds plus reps, so seven full rounds and twelve reps is7+12.

Progression is repeating this workout and comparing that score. The page does not promise a change from one time through.

Related workouts

Run it with friends

The Oarsman runs on a shared countdown: share a rally link, everyone gets the same 10-minute clock, and the leaderboard updates as people log rounds.

Start this workoutMore 10 minute AMRAPs