Jeff Browning, 55, suffered a heart attack during UTMB's TDS race in France. He was 129 km into the 145 km race when he needed medical attention.

Friends launched a GoFundMe campaign to cover rehabilitation costs. Browning, known as Bronco Billy, has won over 40 ultras and finished second at Cocodona 250 in 2024. Read more gear coverage.

The campaign aims to raise $250,000. It raised over $160,000 in its first day. Browning's family requests privacy but will provide updates. Related: Ben Dhiman and Blandine L’Hirondel Win 2026 UTMB.

This original Runner World brief is based on reporting from Canadian Running. Visit the source for its complete reporting, context and any later corrections.