This site is not associated with the IHSA. I have researched and gathered information from the boys track and field page. All of these marks were made in the finals. I will be updating and adding pages in the future. If you have any questions or comments please feel free to email me. Also, you might be interested in looking at the Kane County boys track and field page. The Kane County meet was first held in 1919 and is the 2nd oldest meet in Illinois.
https://sites.google.com/view/kane-county-track/home.
rdrendel@comcast.net or kanecountyboys@gmail.com