The points schedule for Challenge 4B gives you two weeks gives you two weeks to try and make up for any lost marks earlier on in the competition. Speed marks for Challenge 4 part B Before Midnight 18th Oct: 28 marks Before 1pm 19th Oct: 27 marks Before Midnight 19th Oct: 26 marks Before 1pm 20th Oct: 25 marks Before Midnight 20th Oct: 24 marks Before 1pm 21st Oct: 23 marks Before Midnight 21st Oct: 22 marks Before 1pm 22nd Oct: 21 marks Before Midnight 22nd Oct: 20 marks Before 1pm 23rd Oct: 19 marks Before Midnight 23rd Oct: 18 marks Before 1pm 24th Oct: 17 marks Before Midnight 24th Oct: 16 marks Before 1pm 25th Oct: 15 marks Before Midnight 25th Oct: 14 marks Before 1pm 26th Oct: 13 marks Before Midnight 26th Oct: 12 marks Before Midnight 27th Oct: 11 marks Before 1pm 27th Oct: 10 marks Before Midnight 28th Oct: 9 marks Before 1pm 28th Oct: 8 marks Before Midnight 29th Oct: 7 marks Before Midnight 29th Oct: 6 marks Before 1pm 30th Oct: 5 marks Before Midnight 30th Oct: 4 marks Before 1pm 31st Oct: 3 marks Before Midnight 31st Oct: 2 marks