Tech Specs
Garmin Forerunner 310XT GPS Smartwatch for Runners and Triathletes — Garmin Certified Refurbished
Introduction
The Garmin Forerunner 310XT is a purpose-built GPS smartwatch for runners, cyclists, and triathletes who need reliable, multi-sport tracking without compromises on durability or battery performance. Unlike general-purpose fitness watches, the Forerunner 310XT was engineered specifically for endurance athletes who train across multiple disciplines and demand accurate distance, pace, and heart rate data during extended sessions. This Garmin Certified Refurbished model delivers the same performance and reliability as new, with all original features intact and tested to meet Garmin quality standards.
Key Features
- Water-resistant design rated to 164 feet (50 meters) for lap swimming, open water swimming, and triathlon transitions
- Multi-sport mode enabling seamless tracking across running, cycling, and swimming activities without device removal
- GPS and ANT+ technology for capturing distance, pace, speed, heart rate, and power data with high-sensitivity positioning
- Extended battery life up to 20 hours in GPS mode, supporting long training sessions and race-day demands
- Open water swim tracking with recent software enhancements for accurate distance and speed estimation in lakes and oceans
- Quick-release watch band and bike mount compatibility for fast triathlon transitions between disciplines
- High-resolution LCD display with customizable data screens showing multiple metrics simultaneously
Data Insights
Performance research indicates that athletes who actively monitor training metrics improve overall fitness by up to 30%, with heart rate zone training proving especially effective for endurance development. The Forerunner 310XT's ANT+ connectivity allows real-time data collection across multiple training zones, enabling athletes to optimize their training intensity and recovery patterns. Sync capabilities with Garmin Connect provide post-workout analysis, trend tracking, and the ability to compare performance across workouts and seasons.
Usage Instructions
Wear the Forerunner 310XT snugly around your wrist before activating the GPS function to ensure accurate positioning. Select your activity mode—run, bike, or swim—and the watch will automatically transition between modes during multi-sport sessions. After each workout, dock the watch or transfer data via USB to Garmin Connect for detailed performance analysis. Heart rate data requires pairing with an optional chest strap for most accurate readings during high-intensity efforts.
Design & Material
The Forerunner 310XT combines durability with practical ergonomics, featuring a compact form factor that doesn't compromise on screen size or functionality. Its industrial design balances rugged construction with comfort during extended wear, whether training or in daily use. The device is built to endure pool chlorine, saltwater, and sweat exposure while maintaining long-term reliability.
- Lightweight construction at 72 grams, eliminating wrist fatigue during multi-hour training sessions
- High-resolution LCD display with large numeric readouts visible in sunlight and during intense activity
- Durable resin bezel and stainless steel case protecting the screen and internal components from impacts
- Adjustable rubber strap with multiple holes accommodating different wrist sizes and wetsuit layering
- Customizable display screens allowing users to prioritize the metrics most relevant to their training goals
- Rugged industrial aesthetic that transitions seamlessly from training gear to casual daily wear
Final Verdict
The Forerunner 310XT remains a proven choice for serious endurance athletes, delivering genuine multi-sport capability and battery longevity that generic fitness watches cannot match. At the Garmin Certified Refurbished grade, you receive a fully tested device backed by Garmin quality assurance at a fraction of new pricing. If you're training for triathlons, logging high-mileage running weeks, or combining cycling with swimming, this watch gives you the data accuracy and durability your training deserves. Start training smarter today.
In The Box
- Forerunner 310XT
- Premium heart rate monitor
- USB ANT Stick
- AC charger
- Charging clip
- Manuals
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Manual & Warranty
Reviews
Ask a Question
Tech Specs
Garmin Forerunner 310XT GPS Smartwatch for Runners and Triathletes — Garmin Certified Refurbished
Introduction
The Garmin Forerunner 310XT is a purpose-built GPS smartwatch for runners, cyclists, and triathletes who need reliable, multi-sport tracking without compromises on durability or battery performance. Unlike general-purpose fitness watches, the Forerunner 310XT was engineered specifically for endurance athletes who train across multiple disciplines and demand accurate distance, pace, and heart rate data during extended sessions. This Garmin Certified Refurbished model delivers the same performance and reliability as new, with all original features intact and tested to meet Garmin quality standards.
Key Features
- Water-resistant design rated to 164 feet (50 meters) for lap swimming, open water swimming, and triathlon transitions
- Multi-sport mode enabling seamless tracking across running, cycling, and swimming activities without device removal
- GPS and ANT+ technology for capturing distance, pace, speed, heart rate, and power data with high-sensitivity positioning
- Extended battery life up to 20 hours in GPS mode, supporting long training sessions and race-day demands
- Open water swim tracking with recent software enhancements for accurate distance and speed estimation in lakes and oceans
- Quick-release watch band and bike mount compatibility for fast triathlon transitions between disciplines
- High-resolution LCD display with customizable data screens showing multiple metrics simultaneously
Data Insights
Performance research indicates that athletes who actively monitor training metrics improve overall fitness by up to 30%, with heart rate zone training proving especially effective for endurance development. The Forerunner 310XT's ANT+ connectivity allows real-time data collection across multiple training zones, enabling athletes to optimize their training intensity and recovery patterns. Sync capabilities with Garmin Connect provide post-workout analysis, trend tracking, and the ability to compare performance across workouts and seasons.
Usage Instructions
Wear the Forerunner 310XT snugly around your wrist before activating the GPS function to ensure accurate positioning. Select your activity mode—run, bike, or swim—and the watch will automatically transition between modes during multi-sport sessions. After each workout, dock the watch or transfer data via USB to Garmin Connect for detailed performance analysis. Heart rate data requires pairing with an optional chest strap for most accurate readings during high-intensity efforts.
Design & Material
The Forerunner 310XT combines durability with practical ergonomics, featuring a compact form factor that doesn't compromise on screen size or functionality. Its industrial design balances rugged construction with comfort during extended wear, whether training or in daily use. The device is built to endure pool chlorine, saltwater, and sweat exposure while maintaining long-term reliability.
- Lightweight construction at 72 grams, eliminating wrist fatigue during multi-hour training sessions
- High-resolution LCD display with large numeric readouts visible in sunlight and during intense activity
- Durable resin bezel and stainless steel case protecting the screen and internal components from impacts
- Adjustable rubber strap with multiple holes accommodating different wrist sizes and wetsuit layering
- Customizable display screens allowing users to prioritize the metrics most relevant to their training goals
- Rugged industrial aesthetic that transitions seamlessly from training gear to casual daily wear
Final Verdict
The Forerunner 310XT remains a proven choice for serious endurance athletes, delivering genuine multi-sport capability and battery longevity that generic fitness watches cannot match. At the Garmin Certified Refurbished grade, you receive a fully tested device backed by Garmin quality assurance at a fraction of new pricing. If you're training for triathlons, logging high-mileage running weeks, or combining cycling with swimming, this watch gives you the data accuracy and durability your training deserves. Start training smarter today.
In The Box
- Forerunner 310XT
- Premium heart rate monitor
- USB ANT Stick
- AC charger
- Charging clip
- Manuals
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Manual & Warranty
Overview
Garmin Forerunner 310XT GPS Smartwatch for Runners and Triathletes — Garmin Certified Refurbished
Introduction
The Garmin Forerunner 310XT is a purpose-built GPS smartwatch for runners, cyclists, and triathletes who need reliable, multi-sport tracking without compromises on durability or battery performance. Unlike general-purpose fitness watches, the Forerunner 310XT was engineered specifically for endurance athletes who train across multiple disciplines and demand accurate distance, pace, and heart rate data during extended sessions. This Garmin Certified Refurbished model delivers the same performance and reliability as new, with all original features intact and tested to meet Garmin quality standards.
Key Features
- Water-resistant design rated to 164 feet (50 meters) for lap swimming, open water swimming, and triathlon transitions
- Multi-sport mode enabling seamless tracking across running, cycling, and swimming activities without device removal
- GPS and ANT+ technology for capturing distance, pace, speed, heart rate, and power data with high-sensitivity positioning
- Extended battery life up to 20 hours in GPS mode, supporting long training sessions and race-day demands
- Open water swim tracking with recent software enhancements for accurate distance and speed estimation in lakes and oceans
- Quick-release watch band and bike mount compatibility for fast triathlon transitions between disciplines
- High-resolution LCD display with customizable data screens showing multiple metrics simultaneously
Data Insights
Performance research indicates that athletes who actively monitor training metrics improve overall fitness by up to 30%, with heart rate zone training proving especially effective for endurance development. The Forerunner 310XT's ANT+ connectivity allows real-time data collection across multiple training zones, enabling athletes to optimize their training intensity and recovery patterns. Sync capabilities with Garmin Connect provide post-workout analysis, trend tracking, and the ability to compare performance across workouts and seasons.
Usage Instructions
Wear the Forerunner 310XT snugly around your wrist before activating the GPS function to ensure accurate positioning. Select your activity mode—run, bike, or swim—and the watch will automatically transition between modes during multi-sport sessions. After each workout, dock the watch or transfer data via USB to Garmin Connect for detailed performance analysis. Heart rate data requires pairing with an optional chest strap for most accurate readings during high-intensity efforts.
Design & Material
The Forerunner 310XT combines durability with practical ergonomics, featuring a compact form factor that doesn't compromise on screen size or functionality. Its industrial design balances rugged construction with comfort during extended wear, whether training or in daily use. The device is built to endure pool chlorine, saltwater, and sweat exposure while maintaining long-term reliability.
- Lightweight construction at 72 grams, eliminating wrist fatigue during multi-hour training sessions
- High-resolution LCD display with large numeric readouts visible in sunlight and during intense activity
- Durable resin bezel and stainless steel case protecting the screen and internal components from impacts
- Adjustable rubber strap with multiple holes accommodating different wrist sizes and wetsuit layering
- Customizable display screens allowing users to prioritize the metrics most relevant to their training goals
- Rugged industrial aesthetic that transitions seamlessly from training gear to casual daily wear
Final Verdict
The Forerunner 310XT remains a proven choice for serious endurance athletes, delivering genuine multi-sport capability and battery longevity that generic fitness watches cannot match. At the Garmin Certified Refurbished grade, you receive a fully tested device backed by Garmin quality assurance at a fraction of new pricing. If you're training for triathlons, logging high-mileage running weeks, or combining cycling with swimming, this watch gives you the data accuracy and durability your training deserves. Start training smarter today.



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