5K Training Plan

A 5K training plan is a week-by-week schedule of easy runs, one faster session and rest that prepares you to run 5 kilometres (3.1 miles). Rutz is an AI running coach app for iPhone that writes your 5K plan one week at a time, from the runs you actually did.

How to train for a 5K

The 5K rewards consistency more than heroics. Three runs a week is enough to finish your first; four or five is enough to get properly fast. Most of that running should feel easy — easy enough to hold a conversation.

Add one session a week that isn't easy: short intervals, a tempo effort or hills. That single hard day is where speed comes from. Everything else is there so you can absorb it.

New to running? Start with run-walk intervals and stretch the running parts a little each week. There is no shame in walking. It is the fastest route to running the whole way.

Why Rutz

Why train for your 5k with Rutz?

Your plan. Your week. Written for the runner you are today.

Personalized plan

Built from your history, your goal and the days you can actually run.

Guidance after every run

A coach's read on each session, plus a chat when you have a question.

Load you can absorb

A built-in guard caps how fast your weekly load can climb, so you build without boiling over.

Tracking and insights

Pace, heart rate, efficiency and trends — turned into plain language, not another dashboard.

Four steps

How to get started

  1. 01

    Join the waitlist

    Rutz is in private beta on iPhone. Save your spot and we'll email you when it's your turn.

  2. 02

    Set your goal

    Tell us the race, the date and how many days you can run. First 5K or a marathon PB — both count.

  3. 03

    Start training

    Sign in with Intervals.icu. Your history loads, your first week lands, and every run after it gets a coach's read.

  4. 04

    Show up ready

    Each week is written from the last one. You get fitter, the plan gets sharper, race day gets closer.

Key sessions

The workouts that matter for a 5k

Every session in your plan has a job. These four do the heavy lifting at this distance.

Run-walk intervals

For first-timers: one minute running, two walking, repeated. The running parts stretch a little each week until the walks disappear.

400 m repeats

Eight to twelve laps of the track at goal 5K pace or a touch quicker, with an equal jog between. The classic 5K sharpener.

20-minute tempo

Comfortably hard and continuous. It teaches you to sit at an uncomfortable pace without panicking — most of what a 5K is.

Easy 30-40 minutes

The run that makes the fast ones possible. Two or three of these a week, slow enough to chat.

New to the terminology? Every workout type is explained in the running workouts glossary.

Timelines

How many weeks do you need?

How long you need depends on where you're starting. Rutz works backwards from your race date — these are the timelines that fit most runners.

6weeks

6 week 5K training plan

For runners who already run a couple of times a week and want a sharper 5K. Short build, one quality session a week, race.

8weeks

8 week 5K training plan

The sweet spot for most. Enough time to build from 20-minute runs to a confident, continuous 5K — or to take a real bite out of your PB.

12weeks

12 week 5K training plan

Starting from zero, or coming back after a long break. Gentle run-walk progressions with room for the weeks that don't go to plan.

5K training tips

Pacing

Go out at your goal pace, not faster. The first kilometre always feels free. You pay for it in the fourth.

Warm up

The shorter the race, the longer the warm-up. Ten easy minutes and a few strides before a hard 5K.

Strength

Two short sessions a week — calves, glutes, single-leg work — keeps niggles from becoming injuries.

Recovery

Fitness is built on the easy days. Sleep is training. Protect both.

Work out your target pace with the pace calculator or browse every finish time on the 5k pace chart.

Looking for an app to run this plan for you? See how Rutz works as a running training plan app and why an adaptive training plan holds up when a week goes wrong.

5K training: your questions, answered

How long is a 5K?

A 5K is 5 kilometres, or 3.1 miles. On a standard 400 m track that is twelve and a half laps.

How long does it take to train for a 5K?

Most new runners can go from nothing to a continuous 5K in 8 to 12 weeks on three runs a week. If you already run regularly, 6 to 8 weeks of focused training is enough to race one well.

I'm a complete beginner. Can I really run a 5K?

Yes. Start with run-walk intervals — for example one minute running, two minutes walking — and lengthen the running a little each week. Nearly everyone who stays consistent for 8 to 12 weeks gets there.

What is a good 5K time?

It depends on your age and background. Many first-timers finish in 30 to 40 minutes. Under 25 minutes is a strong club-level time, and under 20 minutes takes structured training. The only time that matters is faster than your last one.

How many days a week should I run for a 5K?

Three days is enough to finish comfortably. Four to five days, with one faster session, is where most runners see their biggest improvements.

What pace should I run my 5K at?

Divide your goal time by five for pace per kilometre. A 25:00 5K is 5:00 per km, or 8:03 per mile. Use the Rutz pace calculator to work out yours.

Your next start line starts here

Rutz is in private beta on iPhone. Join the waitlist and we'll email you when it's your turn.

Join the waitlist