Tor des Géants 2027
Which GPS watch for Tor des Géants
For Tor des Géants, what really matters in a watch is that the battery lasts to the finish. We estimate a mid-pack runner's time and recommend the watch whose battery covers it with margin.
Our recommendation
Garmin
Garmin Enduro 3
The battery king for ultra-distance: 120 h in GPS mode (60 h multi-band) and 36 days in smartwatch mode, extendable with solar charging. MIP display, topo maps, LED flashlight and just 63 g. Built for 100-milers, multi-day crossings and backyard ultras without worrying about battery.
Why this watch
Tor des Géants is run over more than a day (estimate ~101h 25min). You need extreme battery life: a watch that can record 127 h or more in GPS, or one with a power-saving mode and on-the-go charging.
Other options to consider
Garmin
Garmin Enduro
Garmin's original ultra-distance watch: up to 70 h of GPS and 50 days in smartwatch mode, extendable with solar charging. Sunlight-readable MIP display, Garmin training and recovery metrics and no onboard maps. An extreme-battery option for ultras and stage races.
Coros
Coros Apex 2 Pro
Mountain watch with outstanding battery life: 66 h in full GPS, 26 h in dual-frequency and up to 21 days in daily use, at just 53 g. Free offline maps, multi-band GPS, MP3 music and touchscreen. The light, long-lasting alternative to Garmin for ultras and crossings.
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