I don't think the title is amazing here. The "race" seemed dramatic and a bit confusing for me. It's referring to conservation though (actually little of the article seems to be science focused so the "understand" is a bit misleading too). Here's a quote after it goes through a long winded intro:

This interest in conserving fungi has been spurred in part by increasing evidence that they play a far larger role in how ecosystems function than was previously understood: 90% of plants on Earth rely on fungi to supply them with crucial nutrients, and newer evidence is increasingly pointing to the key role that fungi play in helping maintain a stable climate.