‘Rust-out’ is the new burnout, and it requires a different fix

Here’s what to do. The sleds are loaded. The dogs are lunging at the lines, barking with edgy anticipation. We release the snub line, rock the sled forward, and call out: “Ready dogs—let’s go!” The barking stops instantly. Nothing but runners hissing on packed snow. Dogs in sync. Partners in rhythm. Sled perfectly balanced.