Garmin Forerunner 55 GPS Running Watch Review UK 2026 — Worth It?

Quick Verdict

For runners who don't need a smartwatch — just accurate GPS data, smart training guidance, and a battery that lasts the week — the Garmin Forerunner 55 is the obvious choice at this price.

What Is It?

The Forerunner 55 is Garmin's entry-level running GPS watch, sitting below the 165 and 255 in the range. It records GPS-tracked runs, monitors heart rate continuously, tracks sleep and stress, and syncs to the Garmin Connect app.

Performance & Features

GPS lock is fast — typically 5-15 seconds in open areas — and route accuracy is excellent. Compared to cheaper fitness trackers, the difference is stark: you'll see the exact shape of your route rather than a rough approximation.

The daily suggested workouts are the standout feature. Garmin analyses your recent activity, fitness level (VO2 max estimate), and recovery to suggest whether to do an easy run, intervals, or rest. It's surprisingly sensible advice that actually improves training over time.

Battery life is outstanding for the class — 7 days in smartwatch mode, 20 hours in GPS mode. You could track a full ultramarathon and have battery to spare.

Who Should Buy This?

New runners who want a serious GPS watch without the £300+ price tag of a Garmin 255. Also ideal for casual runners who just want accurate distance, pace, and heart rate without being overwhelmed by data.