Khalid Khannouchi
Moroccan Khalid Khannouchi (born Dec. 22, 1971) broke Ronaldo da Costa's year-old WR in Chicago Marathon on October 24, 1999. Khannouchi managed to catch Kenyan Moses Tanui two miles before the finish. Tanui finished second at 2:06:16 which is third fastest time ever. At half point, Kenyan Simon Bor (5th; 2:09.35) clocked 1:03.05, with Khannouchi and six other runners following. Splits for Khannouchi:

Prize money $65 000 + WR bonus $1

00 000 and VW Beetle

Ronaldo da Costa
Ronaldo da Costa, 28, broke the marathon WR in his second marathon in Berlin on September 20th, 1998. Da Costa had ran his first marathon a year before also in Berlin, clocking 2.09.07 for fifth place. Da Costa's idea was to run a sub 2.08 marathon. He followed the pacemakers until halfway in 1.04.42, after which he accelerated quickly, producing a 45 second lead in the next two kilometres. The second half he ran in an astonishing 1.01.23, the fastest second half ever in marathon. Temperature: rising from 10 to 15 degrees. WR bonus DEM 100 000. Ronaldo da Costa's splits (from t-and-f mailing list): (Note: until halfway, km by km splits are for the leader.)

1k - 3:02/3:02
2k - 6:07/3:04
3k - 9:11/3:04
4k - 12:17/3:05
5k - 15:22/3:05 15:22 [da Costa 15.40]
6k - 18:25/3:03
7k - 21:29/3:03
8k- 24:32/3:02
9k - 27:33/3:01
10k - 30:38/3:04 15:16 30:38 (1-10 km) [da Costa 31.15 (15.35)]
11k - 33:42/3:04
12k - 36:47/3:04
13k - 39:51/3:03
14k - 42:57/3:06
15k - 46:03/3:06 15:25 30:41 (5-15 km) [da Costa 46.12 (14.57)]
16k - 49:04/3:01
17k - 52:08/3:03
18k - 55:10/3:02
19k - 58:14/3:03
20k - 1:01:17/3:03 15:14 30:39 (10-20 km)
21k - 1:04:24/3:07
22k - 1:07:21/2:58
23k - 1:10:19/2:58
24k - 1:13:08/2:49
25k - 1:15:48/2:50 14:31 29:45 (15-25 km)
26k - 1:18:52/2:54
27k - 1:21:46/2:53
28k - 1:24:41/2:54
29k - 1:27:38/2:57
30k - 1:30:34/2:56 14:46 29:17 (20-30 km)
31k - 1:33:28/2:54
32k - 1:36:27/2:59
33k - 1:39:23/2:56
34k - 1:42:19/2:56
35k - 1:45:16/2:57 14:42 29:28 (25-35 km)
36k - 1:48:12/2:56
37k - 1:51:05/2:53
38k - 1:54:02/2:57
39k - 1:56:58/2:56
40k - 1:59:45/2:47 14:29 29:11 (30-40 km)
41k - 2:02:36/2:51

42k - unknown halves - 1:04:42/1:01:23

Belayneh Dinsamo
Belayneh Dinsamo's (b.June 28th 1965) ran his WR in a flat, out-and-back course in Rotterdam, Holland. The race was held on a windless spring day, temperature was 13 C (55F). Ethiopia chose Rotterdam as its Olympic Trial in a last-minute switch from Boston. The race had two rabbits for the first 10 kilometers. At 25 km mark, the leading group consisted of Djibouti's Ahmed Salah and four Ethiopians: Dinsamo, Abebe Mekonnen, Kebede Balcha and Wodajo Bulti. The group was 15 seconds behing Carlos Lopes' WR (2:07,12) pace. By 35km mark they managed to shrank the gap only by a second. At that point, Salah increased pace considerably and only Dinsamo was able to go with him. The other two men left in the leading group, Mekonnen and Bulti, could not follow. Salah and Dinsamo ran the next 5 km in sub 15 minutes. With two kilometers to go, Dinsamo was 14 seconds ahead of Lopes' pace and 25m ahead of Salah. Since Carlos Lopes' WR was also set on the same course, Rotterdam has been the record venue since 1985.

Splits:

km
5 15:05
10 15:00 30:05
15 15:01 45:06
20 15:06 1:00:12
25 15:00 1:15:12
30 15:01 1:30:13
35 15:09 1:45:22
40 14:58 2:00:20
42.195 6:30 2:06:50

Final results of 1988 Rotterdam marathon:

1. Belayneh Dinsamo ETH 2:06:50

1. Ahmed Salah DJI 2:07:07

1. Wodajo Bulti ETH 2:08:44

1. Abebe Mekonnen ETH 2:09:33

1. Marti ten Kate HOL 2:11:49

1. Kebede Balcha ETH 2:12:04

http://www.hkkk.fi/~niininen/42.html