Carpenter has schooled Stevens on bike handling how to absorb the bumps that come in pack racing, and how to bump back.

WSJ: Evelyn Stevens Gets an Assist From Connie Carpenter: Cycling's Luke Finds Her Obi-Wan -- London 2012

Both brothers finished the end of the swimming leg in the leading pack but Jonny was handed a penalty for mounting his bike too early after leaving Hyde Park's Serpentine lake.

CNN: Brownlee brothers take triathlon by storm