Garmin Forerunner 165 Everyday runningAMOLEDiOS, Android43mm, circleHRV, heart rate, respiratory rate, body battery, stress, activity level, menstrual cycle, calories burned, steps, naps, restless movements, sleep performanceRunning, cycling, swimming, hiking, racket sportsUp to 11 days$250Garmin Forerunner 965 Long-distance runningAMOLEDiOS, Android47.2mm, circleHRV, heart rate, respiratory rate, body battery, stress, calories burned, steps, activity level, menstrual cycle, naps, restless movements, sleep performanceRunning, cycling, swimming, hiking, mountaineering, golfing, racket sports, rowing, kayaking, snow and winter sportsUp to 23 days$600Form Smart 2 Goggles SwimmingN/A (No screen)iOS, AndroidNo screenHeart rate, calories burnedSwimming (includes open water with in-goggle compass)Up to 14 hours$279 (plus $10/month subscription)Garmin Fenix 5 HikingColor pixeliOS, Android42, 47, or 51mm, circleHeart rate, resting heart rate, heart rate zones, recovery time, training load, fitness age, steps, stress, relaxation reminders, breathing timer, sleep, women’s healthCycling, swimming, hiking, climbing, mountaineering, mountain biking, skiing, snowboarding, stand-up paddle boarding, rowing, triathlonUp to 8 days$300Apple Watch Ultra 2 Serious outdoor athletes and seamless iOS integrationOLEDiOS49mm titanium case, rectangleVitals, sleep tracking, heart rate, cycle tracking, noise, sleep apnea detection, ECG, fall detection, crash detection, blood oxygen monitoring, mindfulnessSwimming, diving, running, cycling, hikingUp to 36 hours (normal), up to 72 hours (Low Power Mode)$800Suunto Race S Training and racingAMOLEDiOS, Android45mm, circleHRV, heart rate, respiratory rate, stress and recovery status, activity level, VO2 max, heart rate zones, calories burned, sleepRunning, cycling, hiking, trail running, swimming, mountain biking, mountaineering, climbing, rowing, triathlon, free diving (up to 10 meters), snorkeling, surfing, snow and winter sportsUp to 13 days$349Polar H10 Heart Rate Monitor Heart rate monitoringN/A (No screen)iOS, AndroidNo screenHeart rate minimum, maximum and average, calories burnedUsed with any outdoor activityUp to 400 battery-powered hours$105Whoop 5.0 Tracking sleep and recoveryN/A (Screenless)iOS, AndroidNo screenHRV, resting heart rate, recovery, respiratory rate, blood oxygen, body temperature, exercise and sleep performanceRunning, cycling, swimming, hiking, climbing, mountaineering, golfing, freediving, kayaking, racket sports, rowing, triathlon, snow and winter sportsUp to 14 days$199 (plus membership)Google Pixel Watch 3 Outdoor movementAMOLED LTPOAndroid41 or 45mm, circleHRV, heart rate, resting heart rate, respiratory rate, skin temperature, loss of pulse detection, sleep, daily readiness, activity tracking, calories burned, steps, cardio load, workout recommendationsWalking, running, cycling, swimming, gym, rowing, tennisUp to 36 hours$350Samsung Galaxy Ultra Android users who want multi-day battery life, rugged design, and advanced health/fitness trackingSuper AMOLEDAndroid47mmPhysical readiness, heart rate, step, antioxidant index, vascular stress, body composition analysisMultisports, swim, hiking, biking, running, walking100 hours (Power Saving mode), up to 48 hours (Exercise Power Saving mode)~$650
