Marathon
Under 4:30
Goal pace: 6:23/km. The goal that turns finishing a marathon into running one.
What it takes.
Sub-4:30 means holding 6:23/km for 42.2k — Magic Index around 33. References: a half marathon near 2:08 and a 10k around 58 minutes. If your times are there, the goal is realistic with one good cycle.
The secret is not speed — it is endurance. The whole point of the 16-20 week build is one thing: making km 32-42 running, not survival.
Calculate your sub-4:30 training paces
Enter a recent 10k or half result and get the right paces for every workout in the cycle.
Training paces for sub-4:30.
Aerobic base. Most of the week.
Blocks in mid-week and long runs.
20-30 min at threshold.
26-32km at peak.
What the training looks like.
Volume
40-55km per week at peak, across 4-5 runs. Gradual progression: the body needs months, not heroic weeks.
1-2 quality sessions
A short tempo run at threshold and, alternating, marathon-pace blocks inside mid-week runs.
Mid-week medium run
10-14km with segments at 6:23/km. This is where race pace becomes a habit.
Progressive long run
Long runs finishing with the last 4-6km at marathon pace. Planned 1-minute walk breaks at aid stations are strategy — not failure.
Marathon plans.
What sub-4:30 means.
Sub-4:30 is the first big time milestone at 42k — the border between 'I finished' and 'I ran my own pace from start to finish'. For most recreational runners it is the ideal goal for a second marathon.
And it is an honest base to grow from: a controlled 4:25 without a late-race collapse is the foundation to target sub-4 in the next cycle — usually just with more easy volume and more race-pace kilometers.
Fueling for 4h30 of effort.
The longer the race, the more nutrition decides it. Over 4:30, glycogen stores run out long before the finish line — fueling early is what prevents the classic km-30 crash.
Gel strategy
1 gel every 40-45 minutes, starting at minutes 45-50. Typical total: 5-6 gels. Always with water.
Constant hydration
Drink at every station from the first one — in races over 4 hours, waiting for thirst is too late. Alternate water and sports drink from km 15.
Train your fueling
Every long run over 20km should rehearse race-day gels and drinks. The stomach trains too — and race day is no day for novelties.
Where sub-4:30 slips away.
Long runs too fast
Running the long run near race pace every week charges interest: it stacks fatigue and steals the following sessions. The sub-4:30 long run is mostly easy (6:50-7:15/km), with race pace only in planned segments.
Mileage without pace work
The opposite fails too: if you never touch 6:23/km in training you will not hold it for 42k. Short, frequent marathon-pace blocks in mid-week runs teach your body to recognize goal pace.
Starting on excitement pace
The first 10k at 6:05/km feels comfortable — and wrecks the race. A solid sub-4:30 passes halfway between 2:13 and 2:15 and keeps the pace stable to the end, with energy left for the final kilometers.
Frequently asked questions.
Most popular plans. Start today.
Personalized training. Built for your goal.
Join 7,934 runners
No commitment. Cancel anytime.
Simple. No surprises.
One price. Full access. Cancel anytime.
Monthly
- Access to 144+ running plans
- Magic pace calculator
- Guided workouts on smartwatch
- Garmin, Polar & Strava
- Performance analysis
- No ads
Annual
Save 25% — $7.50/mo
- Everything in monthly, plus:
- 2 months discount included
- Priority support
- Early access to new features
Join 1.000+ runners.
Train with the legends’ methods and watch your pace drop.
$9.99/mo · No commitment · Cancel anytime