By Laura Forsyth Setting personal challenges, giving back, and exercising more all feature high on many to-do lists. Thousands are ticking off all these in one go, by committing to run the 2024 London Landmarks Half Marathon (LLHM) this weekend. Scheduled to take place on Sunday, 7 April, the seventh annual event, organised by the UK’s baby charity Tommy’s, will see 18,500 runners and wheelchair participants taking to the streets of London for this iconic half marathon. With a theme of the grand, quirky and hidden there are sights along every stretch of the event celebrating London’s unique he…