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Training plans Marathon

The sub-3:30 marathon

To break 3:30 for the marathon, you need an average of 4:59 per kilometre — 8:01 per mile — from gun to tape. Most runners get there on 63–87km per week across 5–6 runs, built over roughly 15–19 weeks. Expect three gears in the plan: 5:54–6:29/km for easy runs, roughly 4:38/km for tempo sessions, and 4:23/km for intervals. Your starting fitness decides whether the goal is a season away or further — judge it from a recent race, not a hopeful guess.

Last updated 2026-07-03 · paces computed, not copywritten

Goal pace

4:59/km

8:01/mi

Typical build

1519 weeks

6387 km/week

Runs per week

56

3 key sessions + easy volume

Required paces

SESSIONPACE (/KM)
Easy runs5:54–6:29
Long run5:24–5:54
Tempo4:38
Intervals4:23
Race pace4:59

Splits at goal pace

CHECKPOINTCLOCK
10K49:46
Half1:45:00
30K2:29:18
Finish3:30:00

The table assumes level pacing; most runners land a 3:30 by holding two or three seconds per kilometre back from 4:59 early on.

A typical week

Key session 1

Intervals — reps around 4:23/km (5K effort) with jog recoveries

Key session 2

Tempo — sustained comfortably-hard running near 4:38/km

Long run

The week's cornerstone at 5:24–5:54/km, adding 3:30-pace finishes as race day nears

Plus 3+ easy runs. Everything else is easy running at 5:54–6:29/km — the volume that makes the hard days land.

Asked often

What pace is a sub-3:30 marathon?
4:59 per kilometre, held for the full marathon. The runners who break 3:30 are usually the ones still passing people in the last quarter.
How long should I train for a sub-3:30 marathon?
From a reasonable base, 15–19 weeks. If you're returning from a break, rebuild first — squeezing a 15-week plan into less is how marathon builds break.
What happens if I miss training weeks?
If the plan can't adjust, missed weeks turn into injury risk or a blown goal. RunV recalibrates after every run — including the ones that didn't happen — to keep 3:30 in reach.

Nearby goals

This fitness at other distances

  • Half marathon: 1:40:43 equivalent
  • 10K: 45:39 equivalent
  • 5K: 21:54 equivalent

Open this goal in the pace calculator →

Sub-3:30, minus the guesswork

RunV builds your sub-3:30 plan around your week, then recalibrates it after every run — finished, cut short, or missed.

Final split / Start now

Your first week is on us.

Download RunV, answer a few questions about your goal, and your adaptive plan is ready before your shoes are laced. Premium coaching free for your first week. Free to download, cancel anytime.

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