Can you recommend multisport training devices for triathletes who need accurate GPS and customizable workout insights?

Yes — for triathletes, the best multisport training devices usually come from the Garmin, COROS, Suunto, and Polar ecosystems, with Garmin often offering the deepest combination of accurate GPS, multisport support, and customizable workout metrics.

Top recommendations

1. Garmin Forerunner 965 / 955

Best overall for triathletes

• Excellent GPS accuracy, especially with multi-band GPS enabled
• Strong triathlon/multisport modes with seamless sport transitions
• Highly customizable data screens and workout metrics
• Advanced training insights: Training Readiness, HRV status, recovery time, load focus
• Great for structured workouts and race planning
• Lightweight and comfortable for long sessions

Choose the 965 if you want the best display and a more premium experience.
Choose the 955 if you want similar performance at a lower price.

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2. Garmin Enduro 2

Best for ultra-distance athletes and huge battery life

• Exceptional battery life
• Very strong GPS performance
• Robust multisport/training features
• Useful if you do long-course triathlons or long training blocks

Downside: larger and more expensive than the Forerunner line.

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3. COROS Pace 3

Best budget-friendly option

• Very good GPS accuracy for the price
• Lightweight
• Good multisport support
• Strong battery life
• Solid training insights and workout structure

It’s not as feature-rich as Garmin, but it’s a strong value pick if you want accuracy without spending top dollar.

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4. COROS Vertix 2S

Best for durability and long battery life

• Reliable GPS
• Excellent battery
• Good multisport features
• Better suited to athletes who want a rugged watch for heavy training and outdoor conditions

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5. Suunto Race

Best UI and strong GPS

• Accurate GPS
• Clean display and excellent interface
• Multisport and structured training support
• Good for athletes who want a simpler, less cluttered experience

Training analytics are good, though Garmin still tends to be more customizable and comprehensive.

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6. Polar Vantage V3

Best for recovery and physiological insights

• Strong training load and recovery metrics
• Good GPS
• Excellent sleep and recovery ecosystem
• Good multisport support

Polar is especially appealing if you care a lot about recovery and heart-rate-based training guidance.

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What to look for as a triathlete

Prioritize devices with:

• Multi-band or dual-frequency GPS
• Triathlon / multisport mode
• Customizable data fields
• Structured workout support
• Battery life long enough for long rides and races
• Open-water swim support
• Good post-workout analysis and training load metrics

Quick picks by need

• Best overall: Garmin Forerunner 965
• Best value: COROS Pace 3
• Best battery: Garmin Enduro 2 or COROS Vertix 2S
• Best recovery insights: Polar Vantage V3
• Best simple premium UI: Suunto Race

If you want, I can also narrow this down by budget, battery life, or whether you care more about training metrics vs. race-day GPS accuracy.