Spent much of the day checking out the 44 entries in the Race2Alaska. No engines allowed. But rowing, paddling, and pedaling is OK. Many of the entries had impressive human power capabilities.
2 Hobie Mirage Drives and umbrella on Team UnCruise
40 inch retractable prop powered by bicycle technology on 32 foot cat BAD KITTY.
3 man paraplegic crew on F-27 trimaran ALULA will be rowing, not pedaling.