Decide
Are you fit enough for the GR20? The test
Before you book anything, ask yourself five concrete questions. No complicated scoring, no jargon: five real GR20 situations, and an honest answer to each. By the end, you'll know whether you can go now, what you still need to work on, or where to start.
The method
Five situations, not one opinion
"Am I fit enough?" is the wrong question: nobody can answer it for you, and an abstract opinion says nothing about your legs. Situations don't lie. The GR20 lines up 182.4 km and +11,220 m over 16 official stages, and its real difficulty isn't a one-day feat: it's the chain — setting off each morning on yesterday's fatigue. The five questions below test exactly that. Answer honestly: nobody is watching, and it's your own trip on the line.
The test
The five questions
1 · Endurance: walk, then do it again
Can you walk for six hours with a 10 kg pack — and set off again the next morning for the same kind of day? This is THE criterion. On the GR20, daily walking times run from 2:30 to 10 hours depending on the stage and your pace, and nobody picks you up in the evening. An honest yes means you've already done it: two real back-to-back days with a loaded pack — not one great outing followed by a week on the sofa.
2 · Elevation: your legs two days later
Have you ever taken on a hike with 1,000 m of elevation gain? And more to the point: how were your thighs and knees two days later? On the GR20, stages stack up 400 to 1,400 m of daily ascent, and it's often the descents that hurt the most. An honest yes means an outing of that calibre already behind you — and a body that recovered fast enough to consider doing another the very next day.
3 · Terrain: hands on the rock
Are you comfortable when the trail dissolves into scree, when you need to put your hands on the rock or work your way down slabs? That's where the GR20 is decided: no climbing, but a mineral terrain that demands sure footing, uphill and down. An honest yes means you've already practised on this kind of ground in real conditions — not just smooth paths — and that these sections excite you more than they tense you up.
4 · Self-reliance: weather and water
Can you read a mountain forecast and turn it into a decision? Manage your water through a hot day when springs run scarce? And above all: turn back, or stay at the refuge, when the sky closes in? On the GR20, the real danger isn't the drop — it's the storm. An honest yes means you've already made that kind of call yourself, not walked behind someone who made it for you.
5 · Mindset: day four
Picture yourself on day four: heavy thighs, feet burning, and twelve stages still to go. How do you react? That's where the GR20 is won or abandoned — not on some spectacular passage, but in the routine of fatigue. An honest yes rests on lived experience: a long effort where you've already been through that low — and found that you get going again once the machine restarts.
The verdict
Count your yeses
5 yes
Go with confidence: you have the level. All that's left is choosing your pace — 12 to 16 days is a matter of speed, not ability, and the site's planner works it out to suit you. Put your energy into logistics: bookings, pack, GPX tracks.
3 or 4 yes
It's doable — over 16 days, the official layout and the most accessible rhythm. Identify your noes and work on them for a few weeks: elevation if your legs are in doubt, rocky ground if your footing is, back-to-back days if it's endurance. Then take the test again.
0 to 2 yes
Not yet — and that's not a verdict: the GR20 isn't going anywhere. Give yourself three months with the site's training plan, or start with a gentler trek to build your experience. You'll come back with genuine yeses — and a very different start line.
The best test is still the two-day back-to-back weekend hike with your full pack, described in the training plan: if you set off on the second morning without hesitating, you have your answer.