Dame Laura Kenny is Britain's most decorated female Olympian - but her ride to Paris 2024 has been punctured by the personal agony and heartbreak that left her contemplating retirement.
Kenny is back on the bike this weekend as the innovative Track Cycling Champions League racing series makes its last stop at the scene of one of her most famous triumphs at London 2012.
And the grief and trauma that has beset Kenny and her close friend Katie Archibald over this past 12 months makes this poignant London homecoming of two of British cycling's greatest all the more remarkable.