Help with IAAF Font

Please help me identify this font. It is used in the logo of the International Association of Athletics Federations (IAAF) and in their publications.

Thank you.

Comments

I came across this Font ID request that had no response. Well, it's only a little over one year. Anyway, the font in question is a proprietary font created for the IAAF named, appropriately IAAF Sans. It exists in at least bold and black variants. I was unable to identify the font creator(s). - Herb