“What athlete is warmest in winter?”/“A long jumper.”

A winter riddle is:
 
Q: What athlete is warmest in winter?
A: A long jumper.
 
The riddle has been cited in print since at least 2002.
 
       
24 December 2002, Evening Standard (London, UK), “Heard the one about the 10 best cracker jokes?” by Danielle Demetriou, pg. 7:
8. What athlete is warmest in winter?
A long jumper.
 
19 December 2004, The People (London, UK), “That’s a cracker! Jokes to make you gag over Christmas dinner” by Matt Glass, pg. 8:
WHAT athlete is warmest in winter? - A long jumper.
 
Google Groups: alt.2eggs.sausage.beans.tomatoes.2toast.largetea.cheerslove
Blast from the past
Mikey :o)
1/8/06
(...)
8. What athlete is warmest in winter?
A long jumper.
 
Twitter
Eamonn Kelly
‏@SmoothEamonnK
A few jokes from todays show: 1) What athlete is warmest in winter? A long jumper. 2) Why did the man get the sack… http://bit.ly/3yCvto
6:34 AM - 2 Oct 2009
 
Google Books
Christmas Crackers
By Matt Wilce
Lulu Publishing (Lulu.com)
2012
Pg. ?:
What athlete is warmest in winter?
A long jumper!
 
Google Books
Dick and Dom’s Christmas Jokes, Nuts and Stuffing!
By Dominic Wood and Richard McCourt
London: Pan Macmillan
2015
Pg. ?:
What athlete is warmest in winter?
A long jumper!
   
Google Books
Christmas Jokes
By Delphon Coker
Xlibris Corporation (Xlibris.com)
2016
Pg. ?:
Joke 111: During Winter which Athlete usually stays warmest?
Answer: A long Jumper
   
The Telegraph (UK)
50 best Christmas cracker jokes
By Jon Stock
1 DECEMBER 2016 • 9:30AM
(...)
What athlete is warmest in winter?
A long jumper!