Place to run during Heathrow Layover

Triathlon Forum
1

I’m doing IMTallin on 8/3 (anyone else???), and my flight from the U.S. to Helsinki has a 5-hour layover in London/Heathrow on the way there. I would love to get in the 1-hr run on my schedule during the layover. I checked out the airport website, and I see lots of lounges with spa treatments and ability to buy a shower, but no place to get any fitness in. Suggestions?

TIA

2

https://www.livingwell.com/clubs/heathrow/
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3

Thanks, this looks perfect. I assume I’ll have to go through customs, but assuming no major flight delays I should have plenty of time.