Charlie Dalin won the Vendée Globe 2024-2025 under the colors of Macif, completing his solo round-the-world journey while undergoing immunotherapy for cancer. The French skipper, a graduate in naval architecture from the University of Southampton, has built a career where boat design and offshore competition mutually enrich each other. His journey sheds light on a unique approach to ocean racing, at the intersection of engineering and physical endurance.
Naval architect and skipper: a rare dual skill in offshore racing
The majority of skippers in the IMOCA class entrust the design of their monohull to an architectural firm and then focus on sailing. Charlie Dalin has long done both. Trained in Southampton, he worked on naval design projects before shifting to full-time competition.
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This technical training has given him a different perspective on design choices. On his successive IMOCAs, designed by the Verdier firm, he has actively participated in optimizing the foils and appendages. The results are measurable on the water: his boats consistently ranked among the fastest on the circuit long before his victory at the Vendée Globe.
His profile, on jeanlecam.fr, reminds us that French offshore sailing produces sailors with varied backgrounds, from self-taught individuals to polytechnicians. Dalin’s trajectory stands out for his ability to think about the boat as much as to steer it, an asset that proved crucial during the critical phases of his offshore races.
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IMOCA record before the Vendée Globe: an unknown dominance
Articles published after his victory at the Vendée Globe focus on the record and the emotional dimension of the race. In contrast, his dominance on the IMOCA circuit between 2021 and 2023 remains underreported in most accounts.
Charlie Dalin was crowned IMOCA Globe Series champion in 2021 (in double-handed) and then in 2022 (in solo). This consistency over several seasons reflects a preparation method that goes beyond a one-off spectacular performance.
Among the victories that built this record:
- The Transat Jacques Vabre Normandie Le Havre in IMOCA, won on Apivia, confirming his ability to perform in transatlantic formats
- The Vendée Arctic, a demanding race between Les Sables-d’Olonne and Iceland, where sea conditions test both the sailor and the boat’s reliability
- The Guyader Bermudes 1000, a qualifying event for the Vendée Globe, where he triumphed against the entire IMOCA fleet
IMOCA champion for two consecutive years, Dalin had set a benchmark that his competitors sought to reach. His participation in the Vendée Globe was not a gamble, but the logical culmination of a series of results built methodically.
Vendée Globe 2024: a record broken under immunotherapy
The Vendée Globe remains the most publicized offshore race in the world. Charlie Dalin completed it by setting a new record, improving the reference time for this solo, non-stop, and unassisted round-the-world journey.
What distinguishes this edition is a fact revealed after the finish: Dalin was undergoing immunotherapy treatment throughout the race. The cancer diagnosis had been made before the departure from Les Sables-d’Olonne. He chose to start in agreement with his medical team.
Managing a heavy treatment at sea, far from any hospital structure, raises practical questions. Remote medical monitoring, storing medications aboard an IMOCA subjected to extreme temperature variations, and the accumulated fatigue from several weeks of physical effort: all these factors complicate a race already considered one of the toughest in global sports.
The available data do not allow for a precise measurement of the treatment’s impact on his physical performance during the race. What the times show is that he maintained a pace superior to all his competitors, from the Cape of Good Hope to Cape Horn.
Le Havre and Normandy as a backdrop
Originally from Le Havre, Charlie Dalin carried the maritime identity of Normandy throughout his career. The Transat Jacques Vabre, which departs from Le Havre, has long been his preferred playground. After his passing in June 2026, a virtual solidarity regatta gathered over 10,000 participants in tribute to the Le Havre sailor.
What Charlie Dalin’s journey reveals about French sailing
France has dominated offshore racing for several decades. The country hosts the majority of IMOCA teams, specialized shipyards, and committed sponsors on the circuit. The economic model of French offshore sailing relies on corporate sponsorship, a system without equivalent abroad.
In this context, Dalin’s journey illustrates a trend: the most successful skippers are no longer just instinctive sailors. They combine skills in engineering, project management, and communication. The modern sailor manages a budget, a technical team, and a racing strategy simultaneously.
The IMOCA class currently has about thirty active boats, and the competition for starting spots in the Vendée Globe intensifies with each edition. Qualifications are based on a points system accumulated from races in the Globe Series, favoring skippers capable of maintaining a sports program over several years.
The transfer of Dalin’s boat to Sam Goodchild, competing in the Vendée Arctic under the colors of Macif, shows how a sports project survives its founding skipper. The boat continues to race, with another sailor at the helm, but within the technical continuity of the program launched by Dalin.
Charlie Dalin has left a mark that goes beyond his record. His way of merging naval design and sailing, his management of a serious illness during the most demanding race on the calendar, and his consistency on the IMOCA circuit create a portrait of a skipper that French sailing had not yet produced in this form.