Swollen Achilles Tendon Achilles Tendon Popping And Swollen?

Achilles tendon popping and swollen? - swollen achilles tendon

Hey, I'm doing a long-distance runners cross-country skis.
Every time I spend my Achilles tendon appears and is very swollen and it hurts pretty bad. However, when I run bother me at all.
Is there a concern?
Thank you for your help.