Whenever I run at larger events I always find it interesting to see the way other people run and how much it can vary from person to person. And whilst there are some traits that you might see more often in stronger or weaker runners, there are always people who surprise me by running faster or slower than their style suggested at first glance.
Can you describe your running style? What does it look like? Does it have any quirks or things that make it recognisable to others? Has it changed over time?
Do you wear normal running shoes? I tend to struggle with the drop they have. But I have enjoyed running in barefoot shoes and even completely barefoot. It definitely makes me forefoot strike more.
Vibram Five Fingers almost exclusively, sometimes Merryl Vapor Gloves (zero drop, wide toe box). I find running in regular running shoes unpleasant, very little ground feel and feedback, feels very stompy.