How is the effort split in Doubles?

Both athletes run every kilometre together but split each station's reps however they choose, mixed pairs included (one man, one woman).

Is Doubles faster than racing solo?

Often: sharing the station work means each athlete arrives fresher for every run segment.

In Doubles, both athletes run every kilometre together and split each station's reps however they choose, mixed pairs (one man, one woman) included.

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How is the effort split in Doubles?: Both athletes run every kilometre together but split each station's reps however they choose, mixed pairs included (one man, one woman).
Is Doubles faster than racing solo?: Often: sharing the station work means each athlete arrives fresher for every run segment.