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The engine's answer

Best running watch for marathon training on trail running, under €400

Coros

Pace 4

70% match

The Pace 3 with an AMOLED screen and, somehow, more battery.

Check the price

Live search for the Pace 4 at retailers that carry it.

Why it wins here

The Pace 4 wins this question with a 70% match against all 40 shoes in the catalogue. It costs €NaN, weighs NaN g and stands on a NaN mm heel stack with a NaN mm drop; its cushioning scores NaN/100, its grip NaN/100 and its energy return NaN/100. The tightest constraint is the €400 ceiling: only 0 of the 40 shoes come in under it, and 0 clear both the price and the terrain filter. Its biggest edge over that field is on budget — €NaN, right at the €400 ceiling — 0 of 40 shoes qualify. The nearest runner-up, the Pace 3, finished 0 points behind.

The dimensions where it beats the rest of the field by the most, for this question specifically — with the numbers behind each one.

  • Budget€NaN, right at the €400 ceiling — 0 of 40 shoes qualify
  • Event

What's good

  • Forty-one hours all-systems and 31 h dual-frequency, on an AMOLED, at 40 g
  • Multiband GPS, a barometer and the full training load at €269
  • Nineteen days of everyday battery, or six with the screen always on

What to watch

  • No contactless payments, no maps beyond a breadcrumb
  • Ecosystem is smaller than Garmin’s

What the runners-up gave up

The next three in the ranking, and the measure each one lost on against the Pace 4.

Questions this answer raises

Is the Pace 4 within a €400 budget?
Yes. At €NaN it sits exactly at the ceiling, and 0 of the 40 shoes in the catalogue come in at €400 or less.
Does the Pace 4 suit trail running?
It is a — shoe with grip — and stability —. for marathon training the ranking also weighed .
How much shoe is under foot in the Pace 4?
A NaN mm heel stack with a NaN mm drop, a cushioning score of NaN/100 and — — at NaN g on the scale.

Change an assumption

This page answers one runner's question. Yours is not that question — adjust the surface, the goal or the budget and watch the whole field re-rank.

Answer for your own running