Advertising Disclosure Triathlon Smartwatch Comparison - August 2025
4 Best Triathlon Smartwatch In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3  9.7Exceptional | 4  9.6Exceptional |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelGarmin Forerunner 945, Premium GPS Running/Triathlon Smartwatch with Music, Black | Model Garmin Forerunner 745 (44 mm), Lightweight GPS Running and Triathlon Smartwatch ,Multisport Profile,Advanced Training Features,Music Storage,Safety and Tracking, Up to 7 days Battery Life, Red | Model iDaPro [4 Pack] Screen Protector for Garmin Forerunner 745 Running/Triathlon Smartwatch + Silicone Anti-dust Plugs Tempered Glass Anti-Scratch Bubble-Free | Model iDaPro [4 Pack] Screen Protector for Garmin Forerunner 945 Running/Triathlon Smartwatch + Silicone Anti-dust Plugs Tempered Glass Anti-Scratch Bubble-Free |
BrandGarmin | Brand Garmin | Brand iDaPro | Brand iDaPro |
Reviews | Reviews | Reviews | Reviews |
Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1
GarminGarmin Forerunner 945, Premium GPS Running/Triathlon Smartwatch with Music, Black
Why we love it
Long battery life up to 2 weeks.
Built-in music storage for workouts.
Advanced performance monitoring features.
Main highlights- Safety and tracking features include incident detection (during select activities) which sends your real-time location to emergency contacts through your paired compatible smartphone
- Premium GPS running/triathlon smartwatch with music
- Performance monitoring features include Vo2 Max and training status with adjustments for heat, altitude Acclimation status, training load focus, recovery time, and aerobic and anaerobic training effects
- Garmin Pay contactless payment solution (available for supported cards from participating banks) lets you make convenient payments with your watch so you can leave your cash and cards at home
- Full color, onboard maps guide you on your run so you never get lost during your workout
- Download songs to your watch, including playlists from Spotify, Amazon Music or Deezer (may require premium subscription with a third party music provider)
- Battery life: Up to 2 weeks in smartwatch mode, 10 hours in GPS mode with music or up to 60 hours in ultratrac mode. Display resolution - 240 x 240 pixels
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9.8
2Garmin
Garmin Forerunner 745 (44 mm), Lightweight GPS Running and Triathlon Smartwatch ,Multisport Profile,Advanced Training Features,Music Storage,Safety and Tracking, Up to 7 days Battery Life, Red
Why we love it
Tracks multiple sports activities accurately.
Offers tailored workout suggestions.
Syncs music for motivation.
Main highlights- Switch up your workout routine whenever you like with preloaded activity profiles for running, triathlon, multisport, cycling, pool swimming, track running and more
- Swim, bike, run — do it all with a smartwatch that uses multiple satellite systems to accurately track your workouts
- Receive on-device run and cycling daily workout suggestions based on your current training load and VO2 max
- Make it through your longest races with up to 1 week of battery life in smartwatch mode, 6 hours in GPS mode with music and 21 hours in UltraTrac mode
- Leave your cash and cards at home; Garmin Pay contactless payments let you pay for purchases on the go
- Get training guidance by syncing structured indoor or outdoor workouts to your device from the Garmin Connect app or other apps, including TrainingPeaks and TrainerRoad
- Bring music for every mile by syncing with music services such as Amazon Music, Deezer, Spotify and more to easily store and play up to 500 songs from your wrist
- Analyze more data to help you reach your race potential, including advanced running, cycling and swimming dynamics
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9.7
3iDaPro
iDaPro [4 Pack] Screen Protector for Garmin Forerunner 745 Running/Triathlon Smartwatch + Silicone Anti-dust Plugs Tempered Glass Anti-Scratch Bubble-Free
Why we love it
Durable and scratch-resistant glass.
Maintains touchscreen sensitivity.
Easy to install without bubbles.
Main highlights- Ultra thin-0.3mm thickness is reliable and resilient, and promises full compatibility with touchscreen sensitivity.
- Ultimate Clarity -99.99% High-definition clear hydrophobic and oleophobic screen coating protects against sweat and oil residue from fingerprints. Allow an optimal, natural viewing experience.
- Silicone Charger Port Protector -- Silicone Dust Plug can protect your charger connector well.
- Compatible with Garmin Forerunner 745 Running/Triathlon Smartwatch only, not fit for Garmin Forerunner 735 and other watch .Including 4 Pcs tempered glass with necessary stuff and 4 Pcs Silicone Dust Plug
- 9H Hardness - 9H hardness tempered glass screen protector offers reliable scratch and shatter resistance to protect your screen.
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
