Throughout November the show is sponsored by Runderwear, a small brand in Dorset, who make seamless, moisture-wicking, technical performance underwear to prevent chafing. Plus, Martin speaks to V70 British marathon record holder Mike Sheridan, there's a new men’s half marathon world record, US runner Julia Hawkins crushes the vet 100 metre world record, and The Night of the 10,000m PBs returns.