Want to know what to look for in a pair of running shoes, or how to prepare for your first 10k – or even what underwear offers the best support? Running experts Kieran Alger and Sarah Marsh are online to answer your questions. Post yours below the line now Sign in or create your Guardian accoun...

Source: [Guardian International](https://www.theguardian.com/thefilter/live/2026/jun/18/the-filter-qa-ask-our-running-experts-anything)

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