They keep rowing through the winter in Finland:

Portobello High Street seemed icy enough this evening – but can we get a sled big enough for four rowers and an cox built in time?

Thanks to Rowing for Pleasure

Alternatively perhaps we could fit snow tires to these:

Perhaps we could even get a five seater version – a quindem? – and the crew could tow Icebreaker to regattas next year?

Of course there’s no need for RowPorty to remain earth- or water-bound:

Apparently this world first human-powered-flapping-wing-flying-machine uses the same mechanism as the tandem above.