One of the happiest mushers on the trail is Sven Haltmann, from Fox, who pulled into McGrath late Tuesday night in 7th place and is now taking his 2- hour layover in Takotna.He was carrying one dog in his sled, but wasn’t ready to drop him in McGrath. He said the dog had a subtle shoulder injury that he thought he could massage out in Takotna.Photo and Story by Annie Feidt, APRN – AnchorageDownload Audio (MP3)Haltmann's dog gets some rest in his sled.