Les J. Opper

Born : 1933 Cat. M90 Ultrarunner since 1965

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

United Kingdom

80,9%

Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 1 291; Σ finishers = 1 596. 1 291 / 1 596 × 100 = 80.89%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed35

Km — ultra races2 358 km

Longest race87,3 km

30th London to Brighton Road Race — 28/9/1980

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road100,0%

Records

No record for a classic ultra format

HISTORY

35 race(s)

Date		Race	Perf.	Rk
1980
28.09	87.3km	30th London to Brighton Road Race	7:22:27 h	61
23.08	36mi	Two Bridges race	4:34:47 h	43
12.07	40mi	16th 40 mile road race - Woodford to Southend	5:19:31 h	18
1979
30.09	87.3km	29th London to Brighton Road Race	7:34:11 h	72
1978
01.10	86.1km	28th London to Brighton Road Race	7:43:00 h	58
26.08	36mi	Two Bridges race	4:43:55 h	51
29.07	40mi	15th 40 mile road race - Woodford to Southend	5:49:45 h	26
1977
25.09	85.1km	27th London to Brighton Road Race	7:25:25 h	63
27.08	36mi	Two Bridges race	4:37:54 h	38
30.07	37.4mi	14th 40 mile road race - Woodford to Southend	5:07:35 h	33
1976
26.09	85.1km	26th London to Brighton Road Race	8:06:40 h	51
03.09	30mi	South London Harriers 30 Mile	3:57:29 h	30
31.07	37.4mi	13th 40 mile road race - Woodford to Southend	5:32:16 h	32
1975
28.09	84.7km	25th London to Brighton Road Race	7:39:35 h	70
26.07	37.4mi	12th 40 mile road race - Woodford to Southend	5:36:24 h	27
1974
02.11	30mi	Walton-on-Thames 30 Mile Track Race	3:37:42 h	14
29.09	84.7km	24th London to Brighton Road Race	7:28:26 h	63
24.08	36mi	Two Bridges race	5:09:26 h	49
1973
30.09	84.7km	23rd London to Brighton Road Race	7:45:40 h	60
01.09	30mi	South London Harriers 30 Mile	4:16:57 h	32
1972
28.10	40mi	Nos Galan 40 Mile Track Race Cardiff	5:34:56 h	24
01.10	84.7km	22nd London to Brighton Road Race	7:49:19 h	37
19.08	36mi	Two Bridges race	4:53:24 h	34
29.07	37mi	9th 40 mile road race - Woodford to Southend	5:36:04 h	30
1971
26.09	84.7km	21st London to Brighton Road Race	7:34:37 h	44
21.08	36mi	Two Bridges race	4:49:22 h	26
31.07	37.4mi	8th 40 mile road race - Woodford to Southend	5:25:50 h	16
1970
27.09	84.7km	20th London to Brighton Road Race	8:03:56 h	32
12.09	37mi	7th 40 mile road race - Woodford to Southend	5:03:18 h	12
1969
28.09	84.7km	19th London to Brighton Road Race	7:51:20 h	44
06.09	30mi	South London Harriers 30 Mile	4:05:10 h	24
1968
29.09	84.5km	18th London to Brighton Road Race	7:34:27 h	33
07.09	30mi	South London Harriers 30 Mile	4:02:09 h	31
1967
02.09	30mi	South London Harriers 30 Mile	3:49:48 h	29
1965
11.09	37mi	3rd 40 mile road race - Woodford to Southend	5:25:09 h	19

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	28/9/1980	30th London to Brighton Road Race	87,30	×2
✓ 2	30/9/1979	29th London to Brighton Road Race	87,30	×2
✓ 3	1/10/1978	28th London to Brighton Road Race	86,10	×2
✓ 4	25/9/1977	27th London to Brighton Road Race	85,10	×2
✓ 5	26/9/1976	26th London to Brighton Road Race	85,10	×2
✓ 6	28/9/1975	25th London to Brighton Road Race	84,70	×2
✓ 7	29/9/1974	24th London to Brighton Road Race	84,70	×2
✓ 8	30/9/1973	23rd London to Brighton Road Race	84,70	×2
✓ 9	1/10/1972	22nd London to Brighton Road Race	84,70	×2
✓ 10	26/9/1971	21st London to Brighton Road Race	84,70	×2
✓ 11	27/9/1970	20th London to Brighton Road Race	84,70	×2
✓ 12	28/9/1969	19th London to Brighton Road Race	84,70	×2
✓ 13	29/9/1968	18th London to Brighton Road Race	84,50	×2
✓ 14	12/7/1980	16th 40 mile road race - Woodford to Southend	64,37	×1
✓ 15	29/7/1978	15th 40 mile road race - Woodford to Southend	64,37	×1
✓ 16	28/10/1972	Nos Galan 40 Mile Track Race Cardiff	64,37	×1
✓ 17	30/7/1977	14th 40 mile road race - Woodford to Southend	60,19	×1
✓ 18	31/7/1976	13th 40 mile road race - Woodford to Southend	60,19	×1
✓ 19	26/7/1975	12th 40 mile road race - Woodford to Southend	60,19	×1
✓ 20	31/7/1971	8th 40 mile road race - Woodford to Southend	60,19	×1
✓ 21	29/7/1972	9th 40 mile road race - Woodford to Southend	59,55	×1
✓ 22	12/9/1970	7th 40 mile road race - Woodford to Southend	59,55	×1
✓ 23	11/9/1965	3rd 40 mile road race - Woodford to Southend	59,55	×1
✓ 24	23/8/1980	Two Bridges race	57,94	×1
✓ 25	26/8/1978	Two Bridges race	57,94	×1
✓ 26	27/8/1977	Two Bridges race	57,94	×1
✓ 27	24/8/1974	Two Bridges race	57,94	×1
✓ 28	19/8/1972	Two Bridges race	57,94	×1
✓ 29	21/8/1971	Two Bridges race	57,94	×1
✓ 30	3/9/1976	South London Harriers 30 Mile	48,28	×1
✓ 31	2/11/1974	Walton-on-Thames 30 Mile Track Race	48,28	×1
✓ 32	1/9/1973	South London Harriers 30 Mile	48,28	×1
✓ 33	6/9/1969	South London Harriers 30 Mile	48,28	×1
✓ 34	7/9/1968	South London Harriers 30 Mile	48,28	×1
✓ 35	2/9/1967	South London Harriers 30 Mile	48,28	×1