Each has their own website covering the event...
Colin O’Brady:
https://www.colinobrady.com/theimpossiblefirst/
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Lou Rudd:
https://lourudd.com/2018/10/04/spirit-of-endurance-teaser/
Wimps, doing it in summer.
Wait a minute. The header says crossing but the map looks like going to the pole. More maps?