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What is Rhabdomyolysis? Rare Muscle Condition Linked to 24-Year-Old Runner's Death

24-year-old marathon runner Rachel Apa died from rhabdomyolysis, a rare muscle breakdown condition.

Nov 4, 2026

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What is Rhabdomyolysis? Rare Muscle Condition Linked to 24-Year-Old Runner's Death

24-year-old marathon runner Rachel Apa died from rhabdomyolysis, a rare muscle breakdown condition.

In brief

24-year-old marathon runner Rachel Apa died from rhabdomyolysis, a rare muscle breakdown condition. Rachel Apa, 24, died after collapsing during the New York Marathon due to rhabdomyolysis, a rare muscle condition causing organ damage. Originally reported by LADbible.

Rachel Apa's Death

The condition can affect endurance runners and other athletes (kena betancur / AFP via Getty Images)

Rachel Apa, 24, died after falling ill two miles from the New York Marathon finish line.

“Perfect health, perfect shape, 24 years old.”

Rhabdomyolysis Explained

Rhabdomyolysis is a rare muscle condition causing muscle breakdown and organ damage.

“Rhabdomyolysis is a life-threatening condition that can happen after an injury or excessive exercise without rest.”

Symptoms of Rhabdomyolysis

Symptoms include weak muscles, swelling, sore muscles, and dark urine.

“Dark pee that is brown, red or 'tea-coloured'.”

Doctor's Warning

Doctor's Warning

Warmer weather increases rhabdomyolysis risk, especially with fatigue or sleep deprivation.

“If you were recently ill, or if you are even sleep-deprived, these are things that potentially all put you at risk for heat-related injury.”

Rising Cases

Doctors report a rise in rhabdomyolysis cases among endurance runners since 2022.

“Since 2022, doctors have seen a rise in rhabdomyolysis in endurance runners.”

What Happens Next

Runners should stop if they feel weak, dizzy, or lightheaded.

“If you’re finding that your body feels weak or that you feel like you know you’re feeling dizzy, I think it’s probably a moment to maybe slow down or even stop and find attention.”

The bottom line

Rachel Apa, 24, died after collapsing during the New York Marathon due to rhabdomyolysis, a rare muscle condition causing organ damage.

Read the original on LADbible

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