Those of us looking to get fit before the end of summer have a chance to monitor our success with a GPS smartwatch currently on offer on Amazon. The Garmin Forerunner 55 Smartwatch was originally £159.99, but is now down to £129.

81. You can also get it from Decathlon for £149.99 and Argos for £169.

99. Garmin states that with just the touch of a button on its Forerunner 55 Smartwatch , a user can start their run or walk and track their time, distance, speed and more. All-day activity tracking counts steps, calories and sleep.

The product is said to take the guesswork out of exercise, with suggested workouts based on training history, fitness level and recovery time. The Garmin Forerunner 55 Smartwatch comes with its specialised Coach training app, with on-screen guidance from expert coaches and free 5K, 10K or half-marathon training plans based on a runner’s goals. READ MORE: The best-selling leggings with 'excellent tummy control' that shoppers say 'double up as shapewear' The Garmin Forerunner 55 Smartwatch has an average rating of 4.

6 out of 5 from 6,147 reviews, with over 4,000 purchases in the past month, making it the number one selling product in GPS running monitors. A hefty 76 per cent of reviewers rated the Garmin Forerunner 55 Smartwatch 5 out of 5 stars. One happy customer said: "I am so glad I went for this watch as it is fantastic and it performs like it’s a watch that is of a far higher value! It is the size of a standard watch and is very easy to connec.