Day 3 of training: Threshold Run. It was very difficult to keep within the yellow zone on this run, and even harder to maintain the zone. 5 minutes, and I was burnt out. Overall Score: 57% Share this: Share on Telegram (Opens in new window) Telegram Share on Reddit (Opens in new window) Reddit Tweet Email a link to a friend (Opens in new window) Email Share on Mastodon (Opens in new window) Mastodon Like Loading... Related