Tools
Couch to 5K Pace Calculator
Find your running pace, estimate your first 5K finish time, and see beginner-friendly C25K pacing targets.
Pace /km
6:00
Pace /mi
9:39
Est. 5K Time (if same pace)
30:00
Speed
10.0 km/h
(6.2 mph)
You ran this distance at 6:00/km. At this pace, your 5K finish time would be approximately 30:00.
Calculations run entirely in your browser. No data is sent or stored.
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Get Started FreeC25K Pacing Guide for Beginners
The Couch to 5K program is designed to take you from complete inactivity to running 5 kilometres (3.1 miles) in 9 weeks. The key to success is pacing — running too fast too soon is the #1 reason beginners quit.
During C25K, your pace does not matter. The only rule is: run at a conversational effort. If you cannot speak in full sentences, slow down. Most beginners naturally land between 6:30 and 8:30 per kilometre.
As you progress through the 9 weeks (30-second runs in week 1 to 30-minute continuous runs in week 9), your body adapts and your pace will improve organically. Do not force speed — the fitness comes from consistency, not intensity.
C25K Pace Zones
| Zone | Pace /km | Pace /mi | Effort | Est. 5K Time |
|---|---|---|---|---|
| Very Easy | 8:00+ | 12:52+ | Easy conversation | 40:00+ |
| Easy / Conversational | 7:00-8:00 | 11:15-12:52 | Full sentences | 35:00-40:00 |
| Moderate | 6:00-7:00 | 9:39-11:15 | Short phrases | 30:00-35:00 |
| Brisk | 5:30-6:00 | 8:51-9:39 | Somewhat hard | 27:30-30:00 |
| Fast (experienced) | 5:00-5:30 | 8:03-8:51 | Hard | 25:00-27:30 |
C25K Week-by-Week Structure
| Week | Workout Format | Total Run Time |
|---|---|---|
| 1 | 8 × 60s run / 90s walk | 8 min |
| 2 | 6 × 90s run / 120s walk | 9 min |
| 3 | 4 × 3 min run / 3 min walk | 12 min |
| 4 | 4 × 5 min run / 3 min walk | 20 min |
| 5 | 5 min → 8 min → 5 min run / 3 min walk | 18 min |
| 6 | 8 min → 10 min → 8 min run / 3 min walk | 26 min |
| 7 | 25 min continuous run | 25 min |
| 8 | 28 min continuous run | 28 min |
| 9 | 30 min continuous run | 30 min |
Each week includes 3 sessions. The goal is to complete the full run duration without stopping. Use the pace calculator above to check your running pace during the run segments.
Frequently Asked Questions
What is a good Couch to 5K pace for a beginner?
Most C25K graduates finish their first 5K between 30 and 40 minutes, which is a pace of 6:00/km to 8:00/km (9:39/mi to 12:52/mi). Your pace will naturally improve as you build consistency — focus on finishing the program rather than chasing speed.
How do I calculate my 5K pace from C25K run intervals?
During C25K, you run intervals (e.g., 5 min run, 3 min walk). To find your 5K pace, time a steady run segment and enter the duration and distance into the calculator above. On race day, you will likely run slightly slower than your interval pace, so factor in an extra 10-15 seconds per km.
What pace should I run during C25K training?
Run at a conversational pace — you should be able to speak in full sentences. For most beginners, this lands between 6:30/km and 8:30/km. The C25K program focuses on building endurance, not speed. Use the pace zone below to find your comfortable range.
How long does it take the average person to finish C25K?
The C25K program is designed to take 9 weeks, with 3 runs per week. Most people complete it in 9-12 weeks depending on consistency and starting fitness. The average graduate runs a 5K in 30-35 minutes.
Can I use the race pace calculator for C25K?
Yes! Our standard race pace calculator works for any distance. This dedicated C25K pace calculator adds beginner-friendly language and pacing charts specifically for Couch to 5K participants.