The schedule is as follows (note that times are EST):
Friday, August 24
1800 - 1830 World Athletics Championships preview
Saturday, August 25
0745 - 1030 Live men's marathon
1800 - 1830 World Athletics Championships highlights
2030 - 2330 Live evening session day 1
Sunday, August 26
0845 - 1030 Live 20km walk men
1800 - 1830 World Athletics Championships highlights
2030 - 2345 Live evening session day 2
Monday, August 27
1800 - 1830 World Athletics Championships highlights
2030 - 2345 Live evening session day 3
Tuesday, August 28
1800 - 1830 World Athletics Championships highlights
2030 - 2345 Live evening session day 4
Wednesday, August 29
1800 - 1830 World Athletics Championships highlights
2030 - 2400 Live evening session day 5
Thursday, August 30
1800 - 1830 World Athletics Championships highlights
2030 -2400 Live evening session day 6
Friday, August 31
0845 - 1100 Live 20km walk women
1800 - 1830 World Athletics Championships highlights
2030 - 2345 Live evening session day 7
Saturday, September 1
0745 - 1200 Live 50km walk men
1800 - 1830 World Athletics Championships highlights
2030 - 2345 Live evening session day 8
Sunday, September 2
0745 - 1100 Live marathon women
1800 - 1830 World Athletics Championships highlights
2030 - 2300 Live evening session - day 9
Monday, September 3
1800 - 1830 World Athletics Championships day 9 review