Sub 3:30 marathon pace: 4:59 per kilometre

• 3:30:00 4:59 /km
•   8:01 /mi

Splits

Splits assume an even pace — they show what an even race looks like, not a pacing strategy. Going out faster or slower than these numbers is a choice, and one that costs more than it usually gains.

Training paces

Training paces are derived from Daniels' Running Formula (4th edition (2021)) with the Daniels–Gilbert oxygen-cost equations. VDOT is back-calculated from a race result, not measured.

Equivalent VDOT: 44.6

Three and a half hours for a marathon is 4:59 per kilometre, or 8:01 per mile, held for 42.195 km. It sits exactly on the five-minute-per-kilometre line, which is why it is one of the most-attempted marathon targets: the pace looks ordinary on paper and stops looking ordinary somewhere around 32 km.

Where this target sits

Five minutes per kilometre is a pace that feels like a comfortable training run for the first hour and like work by the third. That gap is not a sign of poor preparation; it is what a marathon does. The training that closes it is volume, and the training that measures it is the long run.

The derived numbers on this page frame the target. The equivalent VDOT is back-calculated from 3:30:00, and the training paces above are what to run in training. At this band the threshold pace is around twenty seconds per kilometre faster than race pace — a gap big enough to notice and small enough that many runners accidentally train at race pace all week.

How the race should look

The splits table above gives the even-pace reference every 5 km, with the half marathon mark. For a 3:30 attempt, even or slightly negative splits are the plan; the classic 3:35 is a story of a fast first half and a very long last 10 km.

The three places the time goes:

• The first 10 km. At 4:45/km it feels easy and costs minutes later. The splits above exist precisely to make this visible while it is happening.
• The 30–35 km section. This is the part of a marathon that training decides. If you are behind the splits here, holding the pace is the right response; speeding up to recover time is how a 3:30 becomes a 3:50.
• The last 7 km. Runners who finish strongly almost always describe having run within themselves at 20 km. Runners who fade describe the opposite.

Fuel and drink belong in this section, not in a footnote: three and a half hours is long enough that the race can be lost to an empty tank regardless of fitness. Practise it on long runs.

Training for it

The training table above lists the intensities; at 3:30 the priorities are:

• Easy volume — most of the week, at the table's easy range (5:22–6:25/km). The marathon base is built here, not in sessions.
• One threshold session a week, in blocks of 10–20 minutes, at the threshold paces from the table rather than at race pace.
• Long runs of 2.5 to 3 hours. These are the sessions that make the last 10 km survivable, and they are worth protecting from your other training.
• Some goal-pace work — for example 2 × 10 km at 4:59/km, or a long run with the last 10 km at goal pace. One session every week or two is enough to teach the pace.

The most common reason runners plateau short of 3:30 is not a missing workout; it is a training week that is entirely at goal pace, which is too hard to build volume on and too easy to sharpen anything.

Common questions

Target times and the pace they need

Next

• All target times for this distance
• Pace calculator
• VDOT calculator and training paces