Childs left the competition after the nervous reality TV star refused to take part in a live ski jump to remain in the Channel 4 competition.
The other lowest scoring competitor, Sinitta, took on K15 - the smallest of the three ski jumps - recording a jump of 10 metres.
The six female celebrities took on the Winter Olympics sport of skeleton, with Pussycat Doll Kimberly Wyatt recording the fastest time at 44.180 seconds.
Melinda Messenger and Laura Hamilton followed in second (44.604) and third (45.369) place respectively.
TV presenter Anthea Turner narrowly avoided facing the live ski jump, finishing in fourth place with a time of 45.413.
Childs completed the course in 45.705 seconds, while Sinitta came last with a time of 45.951.
The Jump continues tomorrow (January 28) - as the male celebrities take part in their next challenge - at 8pm on Channel 4.