The Longest Round – Darren Barker announces world‑first endurance challenge British Boxing News 18:45 Tue, 19 May
Ex-champ Darren Barker undertakes massive endurance challenge to honor Ricky Hatton Boxing Talk 18:13 Tue, 19 May
Darren Barker to take on epic 1,800-mile challenge in honour of Ricky Hatton The Mirror 16:44 Tue, 19 May Article paywall
Boxing Legend Darren Barker Announces ‘The Longest Round’ – A World-First Endurance Challenge For Men’s Mental Health Matchroom Boxing 14:57 Tue, 19 May
