I went on a parkrun inside a jail with 20 prisoners. From secret identities to graphic tattoos, these are the extraordinary people I met... and why runners are desperate to go behind bars, writes OLIVER HOLT

More from Sports

• Bryan Mbeumo reveals why he joined Man United in his first words since sealing £71m transfer from Brentford

• Chelsea target £60m Bundesliga star to add to Liam Delap, Joao Pedro and Jamie Gittens signings - but Enzo Maresca's side may push for exits

• Lionesses' main character bringing calm to the chaos: Why Chloe Kelly, fresh from her holiday and with her wedding photos on her shinpads, is ready to inspire England in Italy semi

• Robin Goodfellow's racing tips: Best bets for Tuesday, July 22

• How Jofra Archer became the scourge of left-handers by the person who knows him best - and the Aussies have loads of them!

• Owen Farrell breaks silence on Lions return and the 'poison' that drove him away from international rugby after the 2023 World Cup

• England will continue war of words with India in fourth Test, claims Harry Brook - as batting star gives insight into group decision to fight back

• Lord Coe raises concerns around Michael Johnson's Grand Slam Track with athletes still yet to be paid for first meet in April

• Man United's bomb squad back home casts shadow over Ruben Amorim's trip to the United States, writes CHRIS WHEELER - as Red Devils face losing fortune on £350m worth of stars

• England have it all stacked in their favour, the truth is anything but victory for Sarina Wiegman's side would be a calamity, writes IAN HERBERT

• Jess Carter available for England's European Championship semi-final as Sarina Wiegman condemns 'disgusting and vile' racist abuse of Lionesses' star

• Aston Villa plan improved contract for star just nine months after signing a new deal - as Unai Emery's side aim to fend off interest from Chelsea

• Paul Gascoigne's management give update on England legend's condition after he was rushed to intensive care last week following a collapse at home

• Revealed: Why Manchester United are unhappy with Brentford over Bryan Mbeumo transfer after Red Devils finally confirmed £71m move to end summer saga

• Man United FAIL in their shock bid for Emi Martinez as Red Devils scramble to solve their goalkeeper problem with Andre Onana sidelined for the start of the season

• Scottie Scheffler v Tiger Woods - the breakdown: Why golf insiders insist Open winner really can match Tiger, and the key areas where he's already got the edge

• Tottenham target Morgan Gibbs-White stays at home while Nottingham Forest travel to Portugal for pre-season for personal reasons

• Liverpool agree Hugo Ekitike deal as Premier League champions continue to splash the cash by taking summer spend beyond a staggering £290MILLION

• Daniel Dubois had to 'WALK into Wembley after chaotic journey involving dad's party and accreditation nightmare' before brutal KO by Oleksandr Usyk

• Venus Williams to make shock return to Grand Slam tennis after fibroids surgery and 16-month absence