A 5K (3.1 miles) is the perfect first race. It's long enough to feel like an accomplishment, short enough to train for in 8 weeks, and popular enough that you'll find one near you on almost any weekend.

Here's everything you need to know to run your first 5K, including a complete 8-week plan you can start tomorrow.

What to Expect as a Beginner

The first few runs are hard. Your lungs will burn, your legs will feel heavy, and you'll question your choices somewhere around the half-mile mark. That's normal. It doesn't mean you're not a runner. It means you're becoming one.

Many beginners go from no running to finishing a 5K in 8–10 weeks of consistent training. You don't need to be fast. The goal isn't to run a fast 5K. The goal is to run the whole thing.

Starting from complete inactivity, or want a gentler ramp? Try our 9-week Couch to 5K plan. If you have a health condition, check with your doctor before starting.

Before You Start: What You Need

Running shoes: get a proper pair before you start. See the beginner shoe guide.

Comfortable clothes: moisture-wicking fabric prevents chafing. Cotton holds sweat.

A way to time intervals: any running app or a watch with an interval timer. Our Run-Walk Calculator helps you plan intervals.

A goal race: sign up for a 5K now, before you start training. A date on the calendar keeps you accountable. Browse 5K races near you.

The 8-Week 5K Training Plan

This plan uses the run/walk interval method: you run for a set time, walk to recover, and repeat. Each week the running gets longer and the walking gets shorter.

Training days: 3 per week (Mon/Wed/Fri or Tue/Thu/Sat, whatever works)
Rest: at least one day between runs
Effort: you should be able to hold a conversation. If you can't, slow down.

If a week feels too hard, repeat it. There's no penalty for taking 10 weeks instead of 8.

Week 1

Goal: Get moving and build the habit.

DayWorkout
Day 1Walk 5 min → Run 1 min / Walk 2 min × 8 → Walk 5 min
Day 2Same as Day 1
Day 3Same as Day 1

About 8 minutes of running per session

Week 2

Goal: Build your running intervals.

DayWorkout
Day 1Walk 5 min → Run 2 min / Walk 2 min × 7 → Walk 5 min
Day 2Same as Day 1
Day 3Same as Day 1

About 14 minutes of running per session

Week 3

Goal: Push past the "this is hard" wall.

DayWorkout
Day 1Walk 5 min → Run 3 min / Walk 90 sec × 6 → Walk 5 min
Day 2Same as Day 1
Day 3Walk 5 min → Run 5 min / Walk 2 min × 4 → Walk 5 min

About 18–20 minutes of running per session

Week 4

Goal: Halfway there: longer intervals.

DayWorkout
Day 1Walk 5 min → Run 5 min / Walk 2 min × 4 → Walk 5 min
Day 2Walk 5 min → Run 6 min / Walk 90 sec × 3 → Walk 5 min
Day 3Walk 5 min → Run 8 min / Walk 2 min / Run 8 min / Walk 2 min / Run 8 min → Walk 5 min

About 18–24 minutes of running per session

Week 5

Goal: Extended running blocks.

DayWorkout
Day 1Walk 5 min → Run 10 min / Walk 2 min / Run 10 min → Walk 5 min
Day 2Walk 5 min → Run 8 min / Walk 2 min × 3 → Walk 5 min
Day 3Walk 5 min → Run 20 min without stopping → Walk 5 min

About 20–24 minutes of running per session

Week 6

Goal: Building toward continuous running.

DayWorkout
Day 1Walk 5 min → Run 20 min → Walk 5 min
Day 2Walk 5 min → Run 10 min / Walk 2 min / Run 10 min → Walk 5 min
Day 3Walk 5 min → Run 22 min → Walk 5 min

Week 7

Goal: Nearly there. Build confidence.

DayWorkout
Day 1Walk 5 min → Run 25 min → Walk 5 min
Day 2Walk 5 min → Run 20 min → Walk 5 min
Day 3Walk 5 min → Run 28 min → Walk 5 min

Week 8 (Race Week)

Goal: Stay loose. Trust your training.

DayWorkout
Day 1Walk 5 min → Run 20 min easy → Walk 5 min
Day 2Walk 5 min → Run 10 min easy → Walk 5 min
Day 3Race day! Warm up, run your 5K, celebrate

Pace: How Fast Should You Run?

Slower than you think. Most beginners start too fast, burn out in the first mile and walk the rest. Train at a conversational pace: if you can't talk in full sentences, slow down.

Plenty of first-time 5K runners finish somewhere between about 30 and 45 minutes, which works out to roughly 10–14 minutes per mile. Don't chase speed yet. Chase consistency. Use the 5K Pace Calculator or the 5K pace chart to see what a goal time means per mile.

What to Do on Rest Days

Common Beginner Mistakes to Avoid

Running too fast too soon. The biggest one. Slow down and you'll run farther and recover faster.

Skipping the warm-up and cool-down. Five minutes of walking before and after matters.

Running through pain. Soreness is normal. Sharp or lasting pain is not. When in doubt, rest.

Wearing the wrong shoes. It bears repeating.

More in 7 Common Running Mistakes Beginners Make.

Race Day Tips

Arrive early. Give yourself time for parking, bib pickup and a walking warm-up.

Don't try anything new. No new shoes, no new food, no new gear.

Start toward the back. You'll feel less pressure to go out too fast.

Run your own race. Lots of people sprint out of the gate. Let them.

Walk if you need to. Walk breaks are completely normal in a first 5K. Finishing is the goal.

After Your 5K: What's Next?

Rest a few days, then decide: get faster at the 5K with our 5K training plan, or step up to a 10K or a half marathon with the 12-week half marathon plan.

Ready to pick a race? Browse upcoming 5K races near you.