How to Pace Functional Fitness Workouts Without Blowing Up

To pace a functional fitness workout, like the ones in CrossFit or Hyrox, you pick the fastest pace you can hold to the last rep, and then you hold it. That pace is usually slower than the one that feels right in the first minute, because your breathing has not caught up with the work yet, your grip is fresh, and you have not done a single transition. The right pace depends on how long the workout runs, which movement stops you first, how heavy the loads are, and what your round times were the last time you did something similar.

Start with the format you are running

Each format fixes something different, and what is fixed decides how hard you can start.

The length of the workout matters as much as the format. CrossFit's pacing guidance says to go hard from the start in anything under five minutes, and to start at a steady pace you can hold in anything over 15 minutes. Between the two, aim for an effort that is uncomfortable but that you can hold.

Name the movement that will stop you

Before you pick a pace, pick the thing that is most likely to end your continuous work first. In most workouts it is one of these:

• Your breathing
• Your muscles. Pay attention if a specific muscle group is going to be overloaded during the workout.
• Your grip
• Your technique causing a failed rep that you have to repeat
• Loading and unloading a heavy barbell
• Walking between stations

Set your pace to protect the movement that is most likely to break, and move at your normal pace on the others.

Equally as important is to pick the movement you are most comfortable with and do it a little slower than your natural pace. That is where you recover your breathing, so you arrive at the movement that limits you in better shape.

Read your round splits while the clock runs

Your round times show whether you could hold the pace you chose. If five rounds take 1:35, 1:39, 1:44, 1:58, and 2:20, the fast first rounds cost you time in the last two, and round four is where the pace stopped holding.

While you work, compare each round time with the one before it. When a round is clearly slower than the last, ease off at the start of the next round, before the movement that limits you breaks. On a row you get these splits from the rower, but an app can help you track your pace for every other movement.

Measure your round consistency

Round consistency tells you how close your slowest round was to your fastest one, so one number shows whether you held the pace you chose. A score of 10 out of 10 means that every round took the same time, and the score drops as your slowest round falls further behind your fastest. The rounds above, which slow down from 1:35 to 2:20, score about 5.

As a rule of thumb, a score of 8 or more means that you held your pace, and a score under 5 means that your opening pace cost you a lot of time. If you score low, start the next attempt a little slower. If you score high and still had energy left at the end, you can start a little faster. A timer app that records your splits can work out the score for you.

The score is most useful across attempts. If your result stays the same but your consistency goes up, you did the same work at a more even pace, and you have room to push harder next time.

Choose sets before fatigue does

Break early on purpose so that you're not forced to break late. Aim to stop just short of failure. A set that ends in failure costs you much more than the rest you tried to skip, and it usually costs you the movement after it as well.

Pick set sizes on what you can repeat, and not on the biggest set you can do while you are fresh. If you can do 15 pull-ups once but lose the bar halfway through the second set, planned sets of five usually beat sets of 15 across the whole workout.

A planned break has an end, such as five breaths or ten seconds. A break that lasts "until I feel ready" usually goes on longer than you need, and it gets longer each time you take one.

Control the opening minutes

A workout with repeated blocks makes your opening pace easy to measure. The following run and burpee workout is one example:

CrossFit's tips for that workout give you numbers to hold. Run about a minute per mile slower than your mile pace, or 40 second per km slower than your km pace, keep each set of 15 burpees under a minute, and cover the same distance in every five-minute block. If you cover clearly more ground in the first block than in the last, you started too fast.

Research on pacing is thin. A pilot study of 11 recreational athletes from one gym found that the average round rate is a better indicator of final result than the fastest round. The sample is small, so treat the result as an idea to test on your own splits and not as a rule.

Know when to accelerate

Push when you can count the work that is left and nothing after it needs the energy you spend. You can push in the second half in anything over 15 minutes, if you still have something left. These four moments are easy to see, and in each one a harder pace has little left to cost you:

• You have started the last full round
• You are on the final movement of a chipper
• You are on the last planned set of the movement that limits you
• You can hold the harder pace until the clock stops

"Finish strong" is a feeling, but "pick up the pace with 90 seconds left, because no grip work is left before the end" is a plan, and you can check afterwards whether it worked.

Remember: if you wait to push harder until the moment it feels comfortable, you could've started pushing sooner.

Review how you paced it, not only the score

The score tells you the result and the splits tell you how you got it, so answer four questions while you still remember the workout:

1. In which round did your times start to get slower?
2. Which break went on longer than you planned?
3. Which movement decided the result?
4. What one change would make the next attempt more even?

Then save enough of the workout that those answers still make sense in three months:

• Your round splits, first to last
• The round where your times started to slow
• Every break, planned and unplanned
• The movement that decided the result
• Loads, heights, and distances
• The scaling or division you ran
• The one change for next time

A faster result can still hide bad pacing, because the fitness you gained since the last attempt can cover a start that was too fast. A slower result can still be useful when the loads or the version changed, so record the version with the score.

Frequently asked questions

Should every round be the same speed?

Not necessarily. Loads, rep schemes, and fatigue all change across rounds, and a heavier round can be slower. Aim for differences that you planned, such as a slower round with a heavier load, and not a drop from 1:35 to 2:20 that you did not plan.

Is starting with a slow pace always best?

No. In a workout under five minutes, CrossFit's guidance says to go hard from the first rep. Starting with a slow pace is one strategy among several, and the length of the workout and the movement that limits you decide whether it fits.

How can pacing improve without repeating the exact workout?

The key to pacing is to know and listen to your body. Only by doing an exercise you know what pace you can hold and what pace makes you break. Everground tracks the pacing for every movement and it can give you a history of your pace for every exercise. But having the data doesn't make you improve unless you put in the work.

Sources

• CrossFit: The Art of Pacing CrossFit Workouts
• Workout Pacing Predictors of CrossFit Open Performance: A Pilot Study
• CrossFit: WOD Tips: Run, Burpee