Donald Underwood
ID 490928
Born : 1946 Cat. M80 Ultrarunner since 1977 RSA
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
27,7%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 21 497; Σ finishers = 77 467. 21 497 / 77 467 × 100 = 27.75%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races2 028 km
> 100 km4
> 160 km4
Longest race160,9 km
15th Washie 100 Miler — 26/7/1991

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0

Records

100 mi15h23'51

HISTORY

24 race(s)
DateRacePerf.Rk
1997
29.03 56km RSA28th Two Oceans Marathon 5:30:16 h3826
1996
17.06 87km RSA71st Comrades Marathon - Up Run 9:53:57 h6070
1991
26.07 100mi RSA15th Washie 100 Miler 19:37:38 h32
30.03 56km RSA22nd Two Oceans Marathon 4:47:26 h1670
1989
25.03 56km RSA20th Two Oceans Marathon 4:23:09 h614
1988
02.04 56km RSA19th Two Oceans Marathon 4:13:42 h558
1987
18.04 56km RSA18th Two Oceans Marathon 4:23:00 h692
1984
21.04 56km RSA15th Two Oceans Marathon 3:55:59 h219
1983
31.05 88km RSA58th Comrades Marathon - Up Run 8:59:34 h2093
1982
09.07 100mi RSA6th Washie 100 Miler 18:20:52 h27
31.05 91km RSA57th Comrades Marathon - Down Run 7:43:08 h721
10.04 56km RSA13th Two Oceans Marathon 4:32:09 h632
1981
17.07 100mi RSA5th Washie 100 Miler 18:01:30 h16
01.06 90km RSA56th Comrades Marathon - Up Run 8:08:12 h790
18.04 56km RSA12th Two Oceans Marathon 3:58:19 h195
1980
31.05 90km RSA55th Comrades Marathon - Down Run 7:42:00 h691
05.04 56km RSA11th Two Oceans Marathon 3:56:24 h122
1979
06.07 100mi RSA3rd Washie 100 Miler 15:23:51 h1 🏆
31.05 87km RSA54th Comrades Marathon - Up Run 7:29:03 h346
14.04 56km RSA10th Two Oceans Marathon 4:07:24 h151
1978
31.05 90km RSA53rd Comrades Marathon - Down Run 7:52:00 h562
25.03 56km RSA9th Two Oceans Marathon 4:51:34 h327
1977
31.05 89km RSA52nd Comrades Marathon - Up Run 9:33:00 h930
09.04 56km RSA8th Two Oceans Marathon 4:48:05 h236