Most people know him as “The Mountain” from Game of Thrones. But behind the character is a real-life giant whose strength, discipline, and sheer physical presence make the fictional version look almost ordinary. Meet Hafthor “Thor” Björnsson: 6’9″, 425 lbs, and arguably the most powerful human being on the planet.
How Tall Is Hafthor Björnsson?
Thor stands 6’9″ (2.06 m) tall and competes at a weight of 193 kg (425 lbs), numbers that would be intimidating on anyone, but on Thor they come with an athletic build that sets him apart from virtually every other strongman in the world.
What makes Thor’s physique truly remarkable isn’t just his size; it’s the fact that he carries that weight with visible athleticism and conditioning. At 425 lbs, he moves, trains, and performs like someone half his size. That combination of height, mass, and mobility is what makes him a once-in-a-generation athlete.
Who Is Hafthor Björnsson?
Born on November 26, 1988, in Reykjavik, Iceland, Thor’s path to becoming the world’s strongest man is anything but conventional.
As a teenager, he was a promising basketball player competing in Iceland’s top professional league, already standing 6’9″ and weighing a lean 243 lbs at just 19 years old. Then an ankle injury cut his basketball career short, and everything changed.
While recovering, Thor walked into a local gym and crossed paths with Magnús Ver Magnússon, one of Iceland’s most celebrated strongman legends. That single meeting redirected the entire course of his life. Inspired by what he saw, Thor made the decision to pursue strength athletics, and he never looked back.
His rise was swift and relentless:
In 2010, just two years after picking up the sport, he was already winning competitions in Iceland. By 2011, he weighed 397 lbs and qualified for the World’s Strongest Man, finishing sixth in his debut.
In 2014, he claimed his first Europe’s Strongest Man title. Then in 2018, Thor achieved something no athlete had ever done before; he won the World’s Strongest Man competition, becoming the first person in history to simultaneously hold the sport’s four most prestigious titles.
Along the way, HBO came calling. In 2013, Thor was cast as Gregor “The Mountain” Clegane in Game of Thrones, a role that introduced his extraordinary physique to millions of viewers worldwide.
He later appeared in Kickboxer: Vengeance (2017) alongside Jean-Claude Van Damme and Mike Tyson.
Just How Strong Is “The Mountain”?
Numbers tell the story better than words here. Thor’s best performances include some of the most staggering feats of strength ever recorded:
| Lift / Event | Performance |
|---|---|
| Deadlift | 505 kg (1,113 lbs) — 2025 |
| Squat | 440 kg (970 lbs) |
| Bench Press | 250 kg (551 lbs) |
| Elephant Bar Deadlift | 474 kg (1,045 lbs) ⭐ World Record |
| Weight Over Bar (56 lbs) | 6.15 m (20 ft 2 in) ⭐ World Record |
| Keg Toss (33 lbs) | 7.05 m (24 ft 6 in) ⭐ World Record |
To put his deadlift in perspective: 505 kg is over half a metric ton. That’s roughly the weight of a grand piano, a large male polar bear, or a small car. Lifted from the ground. By a human being.
What Does Thor Björnsson Eat in a Day?
Fueling a 6’9″, 425 lb world champion requires a nutritional strategy that most people simply can’t imagine. Thor consumes approximately 12,000 calories per day. That is roughly five times the average adult’s daily intake. Here’s what a typical day on his plate looks like:
6:50 AM — Morning workout: cardio and core training, followed by supplements and almonds.
7:30 AM — 8 eggs, 200g oatmeal, blueberries, strawberries, and avocado.
9:30 AM — 400g beef, 400g sweet potatoes, spinach, and greens.
11:50 AM — Supplements.
12:00 PM — 400g chicken, 400g potatoes, vegetables, and fruit.
2:00 PM — A high-calorie shake: oats or sweet potatoes (150g), 2 bananas, 150g Rice Krispies, frozen berries, almonds, peanut butter, and nutrients.
2:30 PM — Supplements.
5:30 PM — 60g protein shake with 2 bananas.
6:00 PM — 500g beef with potatoes and vegetables.
8:30 PM — 500g salmon with 500g sweet potatoes.
10:30 PM — Casein protein, or 6 eggs with avocado, almonds, and peanut butter.
Throughout the day, Thor drinks large quantities of water and high-calorie juices. And if that wasn’t enough, he also wakes up in the middle of the night for an extra snack of casein protein or hard-boiled eggs.
If you don’t believe us, check this video out:
12,000 calories. Every single day. Bon appétit.
The Mindset Behind the Mountain
What separates Thor from other large, strong athletes isn’t just his genetics; it’s his relentless work ethic and willingness to reinvent himself. He went from injured basketball player to world strongman champion in less than a decade. He built one of the most recognizable physiques in entertainment history. And he did it through consistency, discipline, and an almost obsessive commitment to improvement.
For tall people especially, Thor’s story is a powerful reminder that size isn’t a limitation but a foundation.
Follow Thor Björnsson
Stay up to date with Thor’s training, diet, and competitions:
- Instagram: @thorbjornsson
- YouTube: Hafthor Björnsson
- Official Website: thorbjornsson.com