Possible Clues:

• Unearth ancestry following start of tree
• A little rain initially threatening athletics event
• The sporting event -- he's left a footprint
• Seek out suspicion
• Follow development of Middle-Eastern marathon?
• Copy through paper
• Detect — track
• A little bit of horse?
• Trucker initially diverted attention about carbon footprint
• Hip Hop hero, once with The Fugees