Suunto launches Suunto Race 3S, a new-generation flagship performance watch. Built for smarter training, with features designed especially for trail running, Race 3S brings together up to 38 hours of dual-band GPS battery, a 2,000-nit AMOLED display, and a full set of intelligent trail tools at just 56 g. It is a watch built to go further and move lighter, so a long day in the mountains stays simple.

First launched in 2023, the Race series established Suunto’s position as the choice for athletes who train with intention and perform when it counts. Suunto Race 3S carries that standard into a compact 46 mm case sized to sit well on smaller wrists, and holds on to long-lasting; battery life, a flagship display, and the complete trail toolkit alongside it.

“People have more performance data at their fingertips than ever, but turning all that information into something useful can be a challenge,” said Daniel Das Bhowmik, VP Product at Suunto. “We built Race 3S to carry long-lasting battery life in a case compact and light enough to forget, and we’re launching it alongside Suunto AI Coach to make things simple again: turning questions and personal data into clear, actionable answers.”

Battery for the Long Haul

No runner should plan a race around a battery bar. Suunto Race 3S gives them room to plan the race instead: up to 38 hours in dual-band GPS mode (up to 32 hours with the always-on display on), compared with up to 30 hours on Race S, with full positioning accuracy switched on the entire time. Additional battery modes reach further still, including a smartwatch mode with up to 12 days of battery life for everyday wear.

For runners used to planning a session around what the watch has left, that is up to eight more hours of pacing, navigation, and heart rate on the wrist than Race S. Training runs finish the way they were planned, races carry data all the way to the line, and the charger stays at home.

A Compact Build With Flagship Performance

The best watch on a long climb is the one a runner stops noticing. At 56 g with the silicone strap, 38 g for the watch head alone, Suunto's Race 3S sits close to the wrist at roughly the weight of two energy gels, with a compact fit that works well for smaller wrists, too. A titanium bezel and sapphire crystal lens handle rock, scrub, and repeated impact.

Inside, the new-generation Apollo 510 processor drives faster response across maps and menus, and an upgraded optical heart rate module with six LEDs and four photodetectors behind 2.5D curved sensor glass holds accuracy through arm swing, sweat, and cold. Pair a Suunto heart rate belt to enable ZoneSense and it reads true intensity straight from the body's response.

Suunto AI Coach Debuts With Race 3S

Race 3S marks the debut of Suunto AI Coach, an AI-powered conversational coaching experience in the Suunto app. It turns your Suunto data into insight, guidance and action, helping you understand your data, know where you stand and decide what to do next.

Ask Suunto AI Coach anything about your training, and it answers clearly and in context, with guidance and visuals such as charts, tables and maps, plus next steps whenever you want them. When you want to act, it creates structured workouts, training plans and routes; workouts and routes can then be saved in the Suunto app and synced to your watch.

Customers who purchase and pair Suunto Race 3S can get three months of Suunto AI Coach free by activating their watch through the Suunto app by 31 December 2026.

Precision in Every Terrain, Free Maps Worldwide

When the trail disappears under canopy or into a canyon, the line on the wrist stays put. Positioning offers better overall performance, notable through forests, canyon walls, and switchbacks. Free worldwide offline maps now add contour lines and place names for an instant read on where you stand. They download straight to the watch and run entirely on board, subscription-free, so the terrain travels with the runner wherever the trail goes.

A Race Strategy Set Before the Gun

The hardest racing decisions arrive when a runner is least equipped to make them. Suunto Race 3S makes them early instead. Climb Guidance shows what the trail does next, climb or descent, updated in real time, so effort can be placed in advance: know a descent is coming, and save the legs for the climb after it.

Race Planner will build a personalized pacing plan from the route, the weather, and a runner's race goal, with real-time guidance to hold pace on race day.*

A Display You Can Read in Full Sun

Mid-race data only counts if it can be read mid-stride. The 1.32-inch LTPS Hybrid AMOLED reaches 2,000 nits, more than three times the brightness of Race S, at 466 × 466 resolution. In midday glare above the treeline or on a 4 a.m. start in the dark, pace, distance, and the next turn stay readable at a glance.

Everything You Run With, on One Wrist

64 GB of onboard storage holds maps, routes, training data, and offline music.** It offers over 100 sport modes, including running, cycling, swimming, gym work, and multisport. Race 3S is available in three colorways: Orchid, Feather, and Black.

*Race Planner is planned for launch via a future Suunto app and firmware update. Features, availability, and timing are subject to change. Please refer to the latest official information from Suunto.

**Available via an over-the-air software update following product launch. Availability timing is subject to official announcement.