Time Trial Speed/Distance Table

What time would you do for an average speed over a standard TT distance?

Distance/Speed 20 mph 21 mph 22 mph 23 mph 24 mph 25 mph 26 mph 27 mph 28 mph 29 mph 30 mph
10 miles 0:30:00 0:28:34 0:27:16 0:26:05 0:25:00 0:24:00 0:23:04 0:22:13 0:21:25 0:20:41 0:20:00
25 miles 1:15:00 1:11:25 1:08:10 1:05:13 1:02:30 1:00:00 0:57:41 0:55:33 0:53:34 0:51:43 0:50:00
50 miles 2:30:00 2:22:51 2:16:21 2:10:26 2:05:00 2:00:00 1:55:23 1:51:06 1:47:08 1:43:26 1:40:00
100 miles 5:00:00 4:45:42 4:32:43 4:20:52 4:10:00 4:00:00 3:50:46 3:42:13 3:34:17 3:26:53 3:20:00