A 28-year-old athlete has tragically died suddenly while competing in a half-marathon.

Heartfelt tributes have poured in for British rugby player Jon Devereux, an experienced runner.

Devereux died after collapsing during the Great Bristol Run in South West England.

He dropped dead during the 13.1-mile running event on Sunday.

The young athlete was rushed to the hospital for emergency treatment.

However, doctors were unable to resuscitate him, and he was confirmed dead.

Devereux’s next of kin were informed, and event organisers confirmed his cause of death was being investigated.

While no official cause of death has been revealed, his rugby team paid tribute and suggested he suffered a heart attack.

Tributes to the keen rugby player have since been made on social media following the tragedy.

Rugby club Chester RUFC, which he used to play for, posted on Facebook:

“Jon was a talented athlete who played senior rugby for Chester, and his energy, spirit, and sportsmanship left a lasting impression on all who knew him.

“His sudden loss has deeply affected our members and the wider sporting community.

“We extend our heartfelt condolences to Jon’s family, friends, and teammates during this incredibly difficult time.

“He will be dearly missed.”

Tynedale RFC, another rugby team Devereux used to play for, praised his “infectious character”.

The club said in a post: “It is with great sadness that we share the news of the passing of former player Jon Devereux.

“Jon suffered a heart attack while taking part in yesterday’s Bristol Half Marathon.

“Jon had an infectious character which came to the fore when he joined the Tynedale touring party to Canada last year.

“He was a regular participant in our annual 7’s competition.

“He will be greatly missed by all of us.

“Our condolences go out to all his family and friends.

“Rest in peace, Jon.”

A statement from the Great Run Company said:

“It is with great sadness that The Great Run Company confirms the death of a participant at the Great Bristol Run on Sunday, May 11, 2025.

“Jon Devereux, aged 28, collapsed during the event, received immediate medical treatment, and later passed away in hospital.

“His next of kin have been informed.

“The entire team involved in organising the Great Bristol Run extends their heartfelt condolences to Mr Devereux’s family and friends.

“In accordance with the wishes of the family, no further details will be released.

“The cause of death will be determined later, pending medical examination.”

This year’s event took place on May 11 and had sold out.

The route takes runners on a scenic tour of the city’s history.

Runners start at Anchor Road and Canon’s Way before jogging past green spaces like Castle Park and Green Square.

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