Track and field gold medalist dies three weeks after wedding; diagnosed with stage 4 colorectal cancer at 34 [Health Talk]

[Financial News] In 2024, Ciara Mageean, the women's 1,500-meter gold medalist at the European Athletics Championships, died at 34 after battling stage 4 colorectal cancer. Her death came about three weeks after she married her longtime partner. Mageean, a young and healthy athlete, had previously said that by the time she was diagnosed with colorectal cancer last year, it had already spread to her liver and lungs.
According to the British newspaper The Guardian and other foreign media, on the 1st local time, Mageean's family announced her death that day through her Instagram account.

Her family said, “At 6:30 a.m. today, Ciara ended her fight with cancer, surrounded by the people she loved,” adding, “We will miss her deeply. She was a beloved daughter, sister, wife and friend who inspired so many people.”
Mageean married her longtime partner, Thomas Moran, in Belfast, Northern Ireland, on the 12th of last month. On the 25th of the same month, they held a wedding celebration attended by family and friends. It was just a week before her death.
Mageean, who represented Ireland in middle-distance running, won gold in the women's 1,500 meters at the 2024 European Athletics Championships in Rome, Italy.
She won bronze at the 2016 European Championships and silver in 2022, and also took silver in the 1,500 meters at the 2022 Commonwealth Games. She competed at the 2016 Rio de Janeiro Olympics and the 2020 Tokyo Olympics.
She set Irish records in the 800 meters, 1,000 meters and 1,500 meters. At the 2024 Paris Olympics, she withdrew from competition shortly before it began because of an Achilles tendon injury.

Mageean was diagnosed with colorectal cancer in May last year. In July of that year, she disclosed her illness on social media, and later also revealed that the cancer had progressed to stage 4.
In an interview with Irish public broadcaster RTÉ last June, she described in detail what happened when she was diagnosed.
Mageean said that a sizable tumor had been found in her colon, that the cancer had spread to her liver, and that a small amount of metastatic disease had also been detected in her lungs. She said that at the time, she sat in a car with her partner, unable to speak for a while, before breaking down in tears.
Mageean also said it was difficult to accept the diagnosis because she had always been a healthy athlete. But receiving professional athletic training and being in excellent physical condition do not eliminate the possibility of developing colorectal cancer.
Colorectal cancer is a malignant tumor that develops in the colon and rectum. It occurs most often after age 50, but can also be diagnosed in people in their 20s, 30s and 40s.


Mageean reportedly experienced changes in her bowel habits before her cancer diagnosis, but at first did not think they were due to a serious illness.
Colorectal cancer often causes no specific symptoms in its early stages. Even when symptoms do appear, they can resemble those of common digestive disorders and are easy to mistake for something else. According to the Centers for Disease Control and Prevention (CDC), the main symptoms of colorectal cancer include changes in bowel habits, blood in the stool, persistent abdominal pain, unexplained weight loss and anemia.
Diarrhea or constipation may recur, unlike usual, or a feeling that the bowel has not fully emptied may persist after a bowel movement. The stool may contain blood or appear dark red. However, these symptoms do not necessarily mean someone has colorectal cancer. Similar symptoms can also occur with hemorrhoids, inflammatory bowel disease or infections.
The CDC explains that colorectal cancer or polyps may cause no symptoms at all. Therefore, anyone with persistent changes in bowel habits or blood in their stool should seek medical care to identify the cause, regardless of age.

Colorectal cancer is classified into stages 1 through 4 according to how deeply the cancer has invaded and whether it has spread to nearby lymph nodes or other organs.
According to the National Cancer for Knowledge and Information Center at the National Cancer Center, stage 4 colorectal cancer means that cancer cells have spread to distant organs, such as the liver, lungs or peritoneum.
Colorectal cancer often spreads to the liver and lungs. Mageean also said that metastatic lesions had been found in both organs when she was diagnosed.
Stage 4 colorectal cancer is difficult to treat, but not all patients have the same course of illness. Treatment options and prognosis vary depending on the extent of the cancer's spread, the patient's health, the tumor's genetic characteristics and the response to treatment.
The U.S. National Cancer Institute (NCI) says treatments for stage 4 colorectal cancer include chemotherapy, targeted therapy and, for some patients, immunotherapy. If metastases are limited and can be removed surgically, doctors may also remove the primary tumor in the colon and the metastatic lesions.
The National Cancer Center also explains that some patients with colorectal cancer that has spread to the liver or lungs may be cured if the metastatic sites can be completely removed by surgery. However, the information made public does not fully establish what treatment Mageean actually received or how she responded to it.

Cases like Mageean's, in which colorectal cancer is diagnosed in a person's 30s, show that the disease can develop before someone reaches the age for routine national cancer screening.
According to the Korea Disease Control and Prevention Agency's National Health Information Portal, South Korea's national cancer screening program provides an annual fecal occult blood test to men and women aged 50 and older. The test checks whether stool contains blood that is difficult to see with the naked eye. If the result is positive, a colonoscopy is used to identify the source of the bleeding.
In its 2026 colorectal cancer screening guidelines, the American Cancer Society (ACS) recommends that adults at average risk begin regular screening at age 45. However, people with risk factors such as a family history of colorectal cancer, a hereditary colorectal cancer syndrome or inflammatory bowel disease may need to start screening at an earlier age.
The American College of Surgeons says colorectal cancer is increasing among younger adults, and that diagnosis is sometimes delayed even when symptoms such as blood in the stool are present. It also recommends that persistent rectal bleeding in younger people not be dismissed as simple hemorrhoids, but be evaluated by a medical professional.
Anyone with symptoms that may indicate colorectal cancer should seek medical care, even if they are not yet old enough for national cancer screening.
The Korea Disease Control and Prevention Agency explains that some adenomatous polyps among colorectal polyps can develop into colorectal cancer over time. Detecting and removing these lesions through colonoscopy can help prevent colorectal cancer.

[email protected] Han Seung-gon Reporter