Olympic 3000m steeplechase champion Peruth Chemutai looks to have a better knee after she conquered the mud on a tough course to win the 6.5km race at the CrossCup de Hannut race in Hannut, Belgium, on Sunday. Middle-distance runner Halimah Nakaayi is hoping to improve her own national record (NR) over the 800m Indoor when she lines up at the Orbens Copernicus Cup in Toruń, France, today. Nakaayi on Thursday broke the NR mark for a fourth time in a row to a time of one minute and 58.58 seconds via second place behind Jamaican Natoya Goule during the Lievin Meeting. Now Nakaayi will hope tick m…