Alfred Field
ID 116387
Born : 1940 Cat. M85 Ultrarunner since 1983 AUS
35
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
2
Countries visited ?AUSAustraliaRSASouth Africa
39,6%
Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 56 654; Σ finishers = 142 896. 56 654 / 142 896 × 100 = 39.65%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed35
Km — ultra races2 225 km
Longest race89,0 km
76th Comrades Marathon - Down Run (RSA) — 16/6/2001

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road48,6%
Trail51,4%

Records

50 km5h11'30

HISTORY

35 race(s)
DateRacePerf.Rk
2001
16.06 89km road race RSA76th Comrades Marathon - Down Run 10:32:17 h7654
03.03 45km AUS18th Six Foot Track 5:45:55 h240
2000
16.06 87km road race RSA75th Comrades Marathon - Up Run 10:07:57 h7517
04.03 45km AUS17th Six Foot Track 5:35:45 h155
1999
16.06 89km RSA74th Comrades Marathon - Down Run 9:44:04 h5042
1998
16.06 87km RSA73rd Comrades Marathon - Up Run 9:26:42 h3660
07.03 46.6km AUS15th Six Foot Track 5:20:43 h161
1997
09.11 53.8km AUS11th Brindabella Classic 5:29:23 h30
16.06 89km RSA72nd Comrades Marathon - Down Run 9:30:01 h4456
01.03 46.6km AUS14th Six Foot Track 5:08:35 h81
1996
10.11 53.8km AUS10th Brindabella Classic 5:30:33 h40
28.09 50km AUSRoyal National Park Ultra Marathon 5:11:30 h37
17.06 87km RSA71st Comrades Marathon - Up Run 9:08:53 h3564
02.03 46.6km AUS13th Six Foot Track 5:07:12 h65
1995
12.11 53.8km AUS9th Brindabella Classic 5:42:41 h77
20.05 89km RSA70th Comrades Marathon - Down Run 9:25:31 h3665
15.04 56km RSA26th Two Oceans Marathon 5:23:58 h3617
04.03 46.6km AUS12th Six Foot Track 5:03:49 h88
04.02 82km AUS15th Cradle Mountain Run 13:23:00 h25
1994
13.11 53.8km AUS8th Brindabella Classic 5:17:52 h32
23.04 47.2km AUSBrisbane Water Bash Bush 4:48:59 h19
05.03 46.6km AUS11th Six Foot Track 5:10:49 h70
1993
14.11 53.8km AUS7th Brindabella Classic 5:09:13 h25
23.10 50km AUSRoyal National Park Ultra Marathon 5:41:48 h25
31.05 89km RSA68th Comrades Marathon - Down Run 9:37:10 h5108
10.04 56km RSA24th Two Oceans Marathon 5:02:36 h2793
06.03 46.6km AUS10th Six Foot Track 4:48:05 h37
06.02 82km AUS13th Cradle Mountain Run 11:56:00 h15
1992
15.11 53.8km AUS6th Brindabella Classic 5:15:00 h19
21.03 46.6km AUS9th Six Foot Track 4:49:06 h52
1991
31.05 89km RSA66th Comrades Marathon - Down Run 8:08:55 h1904
16.03 46.6km AUS8th Six Foot Track 4:43:20 h46
1990
31.05 87km road race RSA65th Comrades Marathon - Up Run 8:57:33 h3074
24.03 46.6km AUS7th Six Foot Track 5:37:12 h114
1983
31.05 88km RSA58th Comrades Marathon - Up Run 9:44:25 h3182