James Delport
ID 89338
Born : 1946 Cat. M80 Ultrarunner since 1965 RSA
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?RSASouth Africa
39,6%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 44 025; Σ finishers = 111 162. 44 025 / 111 162 × 100 = 39.60%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 902 km
> 100 km3
> 160 km3
Longest race160,9 km
Durban 100 Miles Track Race — 31/7/1970

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

100 mi17h50'20

HISTORY

31 race(s)
DateRacePerf.Rk
1992
30.05 87km RSA67th Comrades Marathon - Up Run 10:25:44 h7612
1989
31.05 89km RSA64th Comrades Marathon - Down Run 10:55:27 h10203
25.03 56km RSA20th Two Oceans Marathon 5:36:38 h4013
1988
31.05 87km RSA63rd Comrades Marathon - Up Run 9:04:10 h3502
02.04 56km RSA19th Two Oceans Marathon 4:58:40 h2151
1987
31.05 87km RSA62nd Comrades Marathon - Up Run 8:46:21 h2156
1986
31.05 89km RSA61st Comrades Marathon - Down Run 8:12:38 h2059
1985
31.05 88km RSA60th Comrades Marathon - Up Run 8:48:03 h2263
1984
01.06 90km RSA59th Comrades Marathon - Down Run 7:51:37 h1213
1983
31.05 88km RSA58th Comrades Marathon - Up Run 8:39:11 h1620
1982
31.05 91km RSA57th Comrades Marathon - Down Run 8:18:39 h1206
1981
01.06 90km RSA56th Comrades Marathon - Up Run 9:00:05 h1569
1980
31.05 90km RSA55th Comrades Marathon - Down Run 8:28:00 h1339
1979
31.05 87km RSA54th Comrades Marathon - Up Run 8:08:33 h672
1978
31.05 90km RSA53rd Comrades Marathon - Down Run 7:36:00 h447
1977
31.05 89km RSA52nd Comrades Marathon - Up Run 8:14:00 h397
1976
31.05 90km RSA51st Comrades Marathon - Down Run 8:08:00 h373
1975
31.05 87km RSA50th Comrades Marathon - Up Run 7:34:00 h224
1974
31.05 87km RSA49th Comrades Marathon - Up Run 7:36:00 h151
1973
01.06 88km RSA48th Comrades Marathon - Down Run 7:20:00 h161
1972
03.06 90km RSA47th Comrades Marathon - Up Run 8:13:50 h189
1971
31.05 92km RSA46th Comrades Marathon - Down Run 7:03:17 h58
1970
31.07 100mi RSADurban 100 Miles Track Race 19:32:47 h21
30.05 87km RSA45th Comrades Marathon - Up Run 7:33:14 h68
1969
31.05 90km RSA44th Comrades Marathon - Down Run 7:48:41 h85
1968
11.10 100mi RSADurban 100 Miles Track Race 17:50:20 h11
31.05 87km RSA43rd Comrades Marathon - Up Run 7:34:04 h35
1967
31.05 90km RSA42nd Comrades Marathon - Down Run 7:20:14 h40
1966
31.05 87km RSA41st Comrades Marathon - Up Run 8:50:04 h67
01.01 100mi RSADurban 100 Miles Track Race 19:01:19 h6
1965
31.05 90km RSA40th Comrades Marathon - Down Run 9:06:20 h145