In a recent comparison between the Garmin Fenix 8 and the Garmin Forerunner 965 at the Seville Marathon, the performance of both watches was put to the test. The marathon, held on February 23, provided a platform for a detailed analysis of the two popular sports watches. The primary focus was on evaluating the GPS accuracy, heart rate monitoring, and battery life of the devices to determine their effectiveness in tracking performance during a marathon.

The Seville Marathon course, known for its flat and open layout, presented an ideal setting for accurate GPS tracking. Both the Garmin Fenix 8 and Garmin Forerunner 965 demonstrated exceptional accuracy, closely aligning with the official marathon distance of 42.195km. Despite challenging sections like tight loops around cheer zones, both watches maintained reliable GPS tracking throughout the race, aiding runners in staying on course and adjusting their pace effectively.

During the marathon, meticulous attention was paid to heart rate monitoring. While a chest strap heart rate tracker was not utilized during this particular event, previous experience with such devices provided valuable insights. Both the Garmin Fenix 8 and Garmin Forerunner 965 exhibited consistent heart rate progression, reflecting the expected patterns during a marathon. Although minor discrepancies were noted in the Forerunner 965’s heart rate recordings, overall accuracy was commendable for both watches.

Battery performance was another crucial aspect evaluated during the marathon. Both watches were set to the most accurate GPS mode with the screens continuously on. The Garmin Fenix 8 demonstrated a slightly lower battery consumption rate compared to the Forerunner 965, indicating a potential advantage in extended battery life. Based on the marathon usage, the Fenix 8 was projected to offer longer multi-band GPS tracking duration than the Forerunner 965, making it a favorable choice for endurance activities.

In conclusion, both the Garmin Fenix 8 and Garmin Forerunner 965 delivered highly accurate results during the Seville Marathon. While there was no definitive winner, the Fenix 8 showcased marginally better heart rate accuracy and longer battery life, giving it a slight edge over the Forerunner 965. However, it is essential to consider that the Fenix 8 comes at a higher price point due to its premium design features. For marathon enthusiasts seeking top-tier sports tracking capabilities, both watches stand out as excellent choices, offering reliable performance and advanced features to enhance the running experience.