How to Start CrossFit Over 40

You can start CrossFit at 40, 50, or later. Start with two or three coached classes a week, use lighter weights than you think you need for the first month, and tell your coach about old injuries before your first class so they can swap any movement that doesn't suit you. Strength training matters more with age, not less. Adults lose muscle every decade after about 30, and older adults who lift get measurably stronger.

Is CrossFit safe if you're over 40?

It can be, if it's coached and you build up gradually. CrossFit's overall injury rate is comparable to Olympic weightlifting, distance running, and gymnastics (Klimek et al., 2018). In one survey, injury rates were lower when a trainer was involved (Weisenthal et al., 2014). The risk rises when people go too heavy, too fast, without anyone watching their form. For the full picture, read is CrossFit safe?

If you have a heart condition or other medical condition, or you haven't been active in a long time and aren't sure exercise is safe for you, check with your doctor before you start.

Why does strength training matter more after 40?

Adults lose roughly 3% to 8% of their muscle mass per decade after about age 30, and the loss speeds up after 60 (Volpi et al., 2004). Less muscle means less strength for everyday things: carrying groceries, getting up off the floor, catching yourself when you trip.

The good news is that strength responds to training at any age. A review of 47 studies of adults averaging 50 or older found strength gains of about 24% to 33%, depending on the exercise, with bigger gains from harder training (Peterson et al., 2010). U.S. guidelines recommend muscle-strengthening activity at least two days a week for adults, and adding balance training from 65 on (U.S. Department of Health and Human Services).

How does scaling work for older beginners?

Scaling means the coach keeps the purpose of the workout and changes the weight, reps, or movement to fit you. Everyone does the same workout. What changes is how.

Written workout	A common scaled version
Barbell back squats	Goblet squats with a dumbbell, or squats to a box
Pull-ups	Ring rows or banded pull-ups
Box jumps	Step-ups on a lower box
Running	Rowing or biking, if running bothers your knees
Overhead barbell lifts	Dumbbells, or a movement that keeps your hands lower

Scaling isn't a beginner-only thing. Longtime members scale all the time, around an old injury or on a day they're beat up.

How many days a week should I train?

Start with two or three classes a week, with a rest day between. That's enough to get stronger and meets the strength-training guideline. Once recovery feels normal, usually after a couple of months, you can add a day if you want. How many days a week to do CrossFit goes into more detail.

Will I recover more slowly than younger members?

Maybe, and the program can allow for it. The fixes are simple: take rest days, sleep enough, eat enough protein, and tell your coach when you're sore so they can lighten the day's workout. Soreness after new exercise is normal and usually peaks a couple of days later. Sharp pain or pain in a joint isn't normal, so stop and tell your coach.

What should I tell my coach before my first class?

Tell them three things:

Old injuries and surgeries, even ones that don't bother you now, especially shoulders, back, and knees.
Anything your doctor has told you about activity or limits.
What you want out of it, whether that's keeping up with your kids or grandkids, losing weight, or getting strong again.

Your coach will use that to pick starting weights and substitutions before the workout starts.

What if I'm the oldest person in class?

It matters less than you'd think. Every workout is adjusted to the person doing it, so a 25-year-old and a 55-year-old can train side by side at very different weights and speeds. You're competing with where you were last month, not with the person next to you.

How do I start?

If you live in Bryan–College Station, start your free week: five coached classes to use within nine days. Take two or three the first week and see how your body responds. Weekday classes run at 5:00, 6:00, and 8:30 AM, noon, and 4:30, 5:30, and 6:30 PM (no 6:30 on Friday). Memberships include unlimited classes, from $129 a month, with lower rates for veterans, teachers, law enforcement, and active military. See pricing.

Sources

Muscle tissue changes with aging — Volpi et al., Current Opinion in Clinical Nutrition and Metabolic Care, 2004
Resistance exercise for muscular strength in older adults: a meta-analysis — Peterson et al., Ageing Research Reviews, 2010
Physical Activity Guidelines for Americans, 2nd edition — U.S. Department of Health and Human Services, 2018
Are Injuries More Common With CrossFit Training Than Other Forms of Exercise? — Klimek et al., Journal of Sport Rehabilitation, 2018
Injury Rate and Patterns Among CrossFit Athletes — Weisenthal et al., Orthopaedic Journal of Sports Medicine, 2014