Hafþór Júlíus Björnsson – Height, Wife, Game of Thrones Role and Strength Records
At 205 centimeters (6 feet 9 inches) and over 200 kilograms of muscle, Hafþór Júlíus Björnsson cuts an unmistakable figure. The Icelander is one of the few athletes to have conquered both the world of elite strength sports and mainstream television, most recognizably as Ser Gregor Clegane, the fearsome “Mountain” on Game of Thrones. His story weaves together professional basketball, a historic deadlift record, and a family that matches his stature.
Born in Reykjavík on November 26, 1988, Björnsson grew into his height naturally: his father stands 203 cm and his mother is also notably tall. From a lanky teenager doing push‑ups and chin‑ups on his grandfather’s farm, he transformed into a multiple‑time World’s Strongest Man champion and a global celebrity. Yet his public image is also marked by serious allegations that have surfaced in recent years.
Below is a detailed, fact‑based profile covering his physical stats, career achievements, family life, and the controversies that surround him.
How tall is Hafþór Júlíus Björnsson?
Key insights
- Björnsson is one of the tallest and heaviest strongmen in history, with a height advantage that fuels his strength.
- His role as Gregor Clegane on Game of Thrones propelled him to global fame beyond the strongman community.
- He holds the official world record for the heaviest deadlift (510 kg / 1,124 lb) achieved in 2020.
- His name is frequently mispronounced; the correct Icelandic pronunciation differs from English approximations.
- He is the first actor to portray the Mountain in more than one season of Game of Thrones.
- His father is 203 cm (6 ft 8 in), making height a family trait.
| Attribute | Detail |
|---|---|
| Full name | Hafþór Júlíus Björnsson |
| Date of birth | November 26, 1988 |
| Height (metric/imperial) | 205 cm / 6 ft 9 in |
| Weight (strongman) | 180–210 kg |
| Weight (boxing) | 152 kg |
| Spouse | Kelsey Henson (m. 2018) |
| Children | 2 |
| Notable role | Gregor “The Mountain” Clegane in Game of Thrones |
| Strongman titles | World’s Strongest Man, Europe’s Strongest Man (4×), Arnold Strongman Classic |
| Deadlift record | 510 kg (1,124 lb) — all‑time world record |
Who is Hafþór Júlíus Björnsson’s wife?
Marriage to Kelsey Henson
Björnsson married Canadian Kelsey Henson in 2018. Henson is 157 cm (5 ft 2 in) tall and weighs 49 kg, making the height difference between the couple nearly half a meter. She has appeared alongside him at public events and on his social media channels.
Children
Björnsson has two children. His first child was with his former partner Thelma Björk Steinman (also referred to as Andrea). His second child is with Kelsey Henson. The total number of children was last reported as two in publicly available records.
Brothers: Birkir and others
Information about Björnsson’s siblings is limited. The name Birkir Björnsson appears in some discussions online, though confirmed details about brothers are scarce. His father, Björn Þor Reynisson (203 cm), and mother, Ragnheiður Juliusdottir, are both documented as tall individuals.
Björnsson’s wife Kelsey Henson is 157 cm (5 ft 2 in), while Björnsson stands 205 cm — a gap of 48 cm. His father is nearly as tall at 203 cm, suggesting a strong genetic predisposition for stature.
Did Hafþór Júlíus Björnsson play in Game of Thrones?
Role as Ser Gregor Clegane (The Mountain)
Yes, Björnsson portrayed Ser Gregor Clegane, known as “The Mountain,” in Game of Thrones during seasons 4 and 5. He was cast in August 2013, replacing Conan Stevens (season 1) and Ian Whyte (season 2). Björnsson is the first actor to play the role in multiple seasons.
How he prepared for the role
Björnsson already possessed the immense size required for the character. His preparation involved minimal additional training; the role relied on his natural physique and menacing presence. The production team used makeup and prosthetics to create the character’s scarred appearance.
Other acting credits
Beyond Game of Thrones, Björnsson has appeared in a handful of other productions, including the Icelandic film I Remember (2018) and a cameo in the television series Rogue. His filmography, however, remains heavily dominated by his work as the Mountain.
What is Hafþór Júlíus Björnsson’s nickname and how do you pronounce his name?
Pronunciation guide with audio examples
The correct Icelandic pronunciation is roughly “HAF‑thor YOO‑lee‑us BYORN‑sun.” The letter þ (thorn) is pronounced like the “th” in “thin.” For an audio reference, the Forvo pronunciation guide offers a native speaker recording.
Meaning of ‘The Mountain’ nickname
The nickname “The Mountain” comes directly from his Game of Thrones character, Gregor Clegane. In the show’s lore, Clegane is a massive, brutal knight of House Clegane, known for his size and violence. The name has stuck with Björnsson in popular culture.
Strongman nicknames
Within the strength community, Björnsson is also called the “King of the Deadlift” and the “King of the Stones,” reflecting his dominance in those events. These nicknames are used by fans and media to highlight his specialty lifts.
Many English speakers mispronounce his first name as “Haf‑thor” with a hard “th.” The Icelandic thorn (þ) is softer, as in “thin.” Listen to the Forvo recording for accuracy.
What are Hafþór Júlíus Björnsson’s key strength achievements?
World’s Strongest Man titles
Björnsson won the World’s Strongest Man competition in 2018. He also claimed the title of Europe’s Strongest Man four times (2012, 2014, 2015, 2017) and won Gold at the 2018 Arnold Strongman Classic after taking Silver in 2017.
Deadlift world record (510 kg)
On May 2, 2020, Björnsson deadlifted 510 kg (1,124 lb) in his home gym, breaking the previous world record of 501 kg. The lift was officially recognized by several strength organizations, though some debate remains about the exact classification (equipped vs. raw). He is widely considered the all‑time deadlift world record holder.
Other strongman competition wins
- Won Europe’s Strongest Man in 2012, 2014, 2015, 2017.
- Gold at the Arnold Strongman Classic (2018).
- Carried a 1,430 lb (650 kg) log for five steps at the World’s Strongest Viking competition in 2015, breaking a 1,000‑year‑old record set by Orm Storolfsson.
He retired from competitive strongman in 2023 citing health concerns, though he continues to train and occasionally participates in exhibition events.
Björnsson retired from strongman due to health concerns, including the long‑term effects of extreme weight‑cutting and joint stress. He has since maintained a lower body weight (around 152 kg for his boxing match against Eddie Hall) but still trains heavily.
What are the key milestones in Hafþór Júlíus Björnsson’s life?
- 1988 — Born in Reykjavík, Iceland.
- Early 2000s — Played professional basketball in Iceland before switching to strength training.
- 2009 — Began his strongman career, quickly gaining attention for his size and deadlift ability.
- 2012 — Won his first Europe’s Strongest Man title.
- 2013 — Cast as Gregor Clegane in Game of Thrones (season 4).
- 2015 — Broke the 1,000‑year‑old log‑carry record at World’s Strongest Viking.
- 2018 — Won World’s Strongest Man; married Kelsey Henson.
- 2020 — Set the deadlift world record of 510 kg.
- 2023 — Announced retirement from competitive strongman due to health issues.
What details about Hafþór Júlíus Björnsson are certain and what remains unverified?
| Established information | Information that remains unclear |
|---|---|
| Height of 205 cm (6 ft 9 in) is confirmed by Wikipedia and IMDb. | His exact bench press maximum is not officially verified; reported figures vary. |
| Married to Kelsey Henson since 2018. | Whether he has sisters or the full details of his sibling list are not publicly documented. |
| Deadlift record of 510 kg is the recognized all‑time world record. | His current training status after retirement is ambiguous; he still posts training content. |
| Two children (one with Thelma Steinman, one with Kelsey Henson). | The exact number of children may have changed; last public update was 2024. |
| Domestic violence allegations from former partners, including police reports. | No criminal convictions have been publicly reported; the allegations remain unproven in court. |
Why is Hafþór Júlíus Björnsson’s height significant in strongman and acting?
Björnsson’s height of 205 cm gives him a mechanical advantage in deadlifting because a longer torso and limbs allow for a different leverage profile compared to shorter athletes. In strongman, this has helped him excel in events like the deadlift and stone lifting, earning him the nickname “King of the Stones.” However, his height also presents challenges in events that require agility or tight form.
In the acting world, his towering stature made him a natural choice for the role of Gregor Clegane, a character described as inhumanly large. Björnsson’s appearance added an unmatched physical authenticity to the role. Culturally, he has become a national icon in Iceland, symbolising the country’s tradition of strength athletics.
Comparisons are often drawn with other elite strongmen such as Eddie Hall (180 cm) and Brian Shaw (203 cm). While Hall used explosive power, Björnsson and Shaw share a height advantage, though their body compositions differ. Björnsson’s build is often described as more muscular than bulky.
What sources provide information about Hafþór Júlíus Björnsson?
“Hafþór Júlíus Björnsson is known as the ‘King of the Deadlift’ and the ‘King of the Stones.’”
— Wikipedia entry on Hafþór Júlíus Björnsson
“He is the first actor to portray Gregory ‘The Mountain’ Clegane in multiple seasons.”
— IMDb biography
The most authoritative source for biographical facts is his Wikipedia page, which documents his height, weight, family, and career timeline. For acting credits, IMDb provides a reliable filmography. His deadlift record is verified by Guinness World Records. Pronunciation can be heard on Forvo. The World’s Strongest Man official site holds competition results, and social media posts (e.g., Facebook and Reddit) contain discussions about controversies and personal life, though these should be treated with caution.
What is the essential overview of Hafþór Júlíus Björnsson?
Hafþór Júlíus Björnsson is an Icelandic strongman, powerlifter, and actor best known for his world‑record deadlift of 510 kg and his portrayal of Gregor “The Mountain” Clegane on Game of Thrones. He stands 205 cm tall, weighs between 180 and 210 kg in competition condition, and is married to Kelsey Henson with two children. His career includes multiple Europe’s Strongest Man titles, a World’s Strongest Man victory, and a historic log‑carry record. Since retiring from strongman in 2023, he has focused on acting and fitness ventures. However, serious domestic violence allegations from former partners have cast a shadow over his public image, with multiple police reports filed in 2024–2025. For those following similar figures of immense size, the biography of Oliver Reed – Biography, Cause of Death and Gladiator Legacy offers a different kind of larger‑than‑life story, while Lamelo Ball – Biography, Stats, Contract and Net Worth explores another tall athlete’s journey in professional sports.
Frequently asked questions about Hafþór Júlíus Björnsson
What is Hafþór Júlíus Björnsson’s net worth?
His net worth is not publicly disclosed. Estimates from various sources range between $3 million and $5 million, but no official figure exists.
Is he still married to Kelsey Henson?
Yes, as of the latest public information, they remain married since their 2018 wedding.
Does he have any sisters?
Public records do not list any sisters. Only a brother, Birkir, is occasionally mentioned, but details are unconfirmed.
How did he start his strongman career?
As a teenager he did daily bodyweight exercises and lifted stones on his grandfather’s farm. After a brief basketball career, he began competing in strongman in 2009.
What is his max bench press?
There is no officially verified max bench press. Reports from training videos suggest around 230–250 kg, but these are not competition‑sanctioned.
Has he faced legal consequences for domestic violence allegations?
No convictions have been reported. The allegations remain allegations; police have responded to calls at his residence multiple times since December 2024.
Does he still compete in strongman?
He retired from professional competition in 2023. He occasionally takes part in exhibition events but no longer pursues titles.
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