Marathon training plan — Sub 3:30

Marathon training plan — Sub 3:30

A demanding, structured program to break the 3:30 marathon barrier

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Breaking 3 hours and 30 minutes in a marathon places you among experienced, dedicated runners. The target pace of 4'58"/km (about 7'59"/mile, or 12.1 km/h) demands a VO2max pace of at least 14-15 km/h and a solid aerobic foundation. This 12-week plan, with 4 weekly sessions, blends threshold work, intervals and long runs with marathon-pace segments to bring you to peak fitness on race day.

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12-week plan, 4 sessions per week

A rigorous program with progressive volume build-up (50 to 70 km/week) and increasing intensity. Every session is detailed: paces, durations, recoveries.

Smart progress tracking

RunRun analyzes your feedback and GPS data after each session to adjust training load for the coming weeks based on your actual fitness.

Paces calibrated to your VO2max

Enter your VO2max pace or recent race times (10K, half marathon). RunRun calculates your training zones and target paces with precision.

Recovery and injury prevention

Recovery weeks every 3 weeks, active recovery sessions and strength training guidance to keep you healthy throughout the build-up.

Marathon-specific workouts

Long intervals (3x3000m, 2x5000m), sustained tempo (30-40' continuous), long runs with 10-15 km at marathon pace: the ideal mix for sub-3:30.

100% free, no commitment

No subscription, no credit card required. RunRun is entirely free. Create your account and start your marathon preparation right away.

Sub-3:30 marathon plan overview

S1

Week 1 — Cycle launch

Structured start with easy runs and initial speed reminders. Volume: 45-50 km (28-31 miles).

  • 50' easy run (65-75% HRmax)
  • 10x200m in 45" — 45" jog recovery + 15' cool-down
  • 45' easy run + 8 strides
  • 1h20 long run at easy pace
S4

Week 4 — Tempo work

Introduction of threshold sessions and first long run with marathon-pace segments. Volume: 55-60 km (34-37 miles).

  • 50' easy run
  • 3x10' at threshold (4'40"/km / 7'31"/mi) — 2'30" recovery
  • 45' easy run + 6 strides
  • 1h40 long run including 30' at marathon pace (4'58"/km)
S8

Week 8 — Marathon-specific block

Peak volume with the most demanding sessions of the plan. Volume: 65-70 km (40-43 miles).

  • 50' easy run
  • 2x5000m in 23'30" (4'42"/km) — 3' recovery
  • 50' easy run + 8 strides
  • 2h10 long run including 12 km at marathon pace
S11

Week 11 — Taper

Volume reduced by 30-35% while retaining a few intensity reminders. Volume: 40-45 km (25-28 miles).

  • 45' easy run
  • 2x8' at threshold — 3' recovery
  • 35' easy jog
  • 1h10 long run including 20' at marathon pace
S12

Week 12 — Race week

Final tune-up, short and light sessions. Physical and mental freshness is the priority.

  • 30' jog + 4 progressive accelerations
  • 20' easy jog the day before or full rest
  • RACE DAY: Marathon — target 3:30!

Tips for running a sub-3:30 marathon

1

Control your pace from the start

Target pace is 4'58"/km (7'59"/mi). Run the first 10 km at 5'00-5'02"/km to bank energy. Set a pace alert on your watch and trust the process.

2

Sharpen your key paces

Threshold pace (4'35-4'45"/km) and marathon pace (4'58"/km) are the two critical intensities in your preparation. They must feel natural and sustainable by race day.

3

Dial in your race nutrition

At this pace, you burn roughly 800-900 kcal/hour. Aim for 60-80g of carbs/hour (gels + sports drink). Start fueling from km 5 and test everything in training.

4

Include strength training

Two 20-30 minute sessions of core work, squats and lunges per week improve your stride efficiency in the final kilometers and reduce injury risk.

5

Plan your race strategy

Aim for a 1:44-1:45 half split. Break the marathon into four 10K blocks plus a 2.195 km finish. Anticipate the tough stretch at 30-35 km with motivating cue words.

Questions fréquentes

What level do I need to run a sub-3:30 marathon?

You should be able to run a 10K in around 48 minutes and a half marathon in 1:38 or faster. A VO2max pace of 14-15 km/h and at least one year of consistent running provide a solid base for this goal.

How many kilometers per week for a sub-3:30 marathon?

The plan builds from 50 to 70 km per week across 4 sessions. Peak weeks reach 65-70 km before a progressive taper in the final weeks.

Is the training plan really free?

Yes, RunRun is 100% free. No hidden subscription, no trial period. Create an account and your plan is generated immediately.

What is the difference between a 3:30 plan and a 4-hour plan?

The 3:30 plan includes 4 sessions per week (versus 3-4 for sub-4), higher weekly volume (50-70 km versus 30-65 km) and more demanding quality sessions: long intervals, 30-40 minute sustained tempo and long runs with substantial marathon-pace segments.

Can I connect my GPS watch (Garmin, Strava)?

Yes, RunRun integrates with Strava and Garmin Connect to automatically import your activities and track your progress in real time.

Ready to target a sub-3:30 marathon?

Create your free account on RunRun and get a custom training plan calibrated to your paces and race calendar.

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