Kenneth MacKay

Born : 1923 Cat. M95 Ultrarunner since 1960

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

74,9%

Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 1 199; Σ finishers = 1 601. 1 199 / 1 601 × 100 = 74.89%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed43

Km — ultra races4 632 km

> 100 km15

> 160 km12

> 200 km2

> 24h15

Longest race211,4 km

RRC Invitation 24 Hour Track Race — 10/10/1981

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 32

🏅 Top 3 M2

Longest winning streak0

Current streak0

Records

24 h211,36 km

HISTORY

43 race(s) · 18 split(s) nested

Date		Race	Perf.	Rk
1988
27.08	24h	24 hour road race Preston	108.175 km	50
27.08	100km	24 hour road race Preston - 100km Split	22:25:02 h	53
1987
22.08	24h	Chorley 24 Hour Road Race	111.323 km	35
22.08	50mi	Chorley 24 Hour Road Race - 50miles Split	11:40:18 h	38
22.08	100km	Chorley 24 Hour Road Race - 100km Split	22:21:00 h	36
1986
23.08	24h	Chorley 24 Hour Road Race	108.731 km	33
23.08	50mi	Chorley 24 Hour Road Race - 50mi Split	9:30:48 h	24
23.08	100km	Chorley 24 Hour Road Race - 100km Split	14:03:08 h	30
07.06	24h	24 hour road race Cranwell	165.489 km	18
07.06	50mi	24 hour road race Cranwell - 50mi Split	8:47:06 h	20
07.06	100km	24 hour road race Cranwell - 100km Split	12:04:33 h	20
07.06	100mi	24 hour road race Cranwell - 100mi Split	23:22:38 h	19
1985
24.08	24h	Chorley 24 Hour Road Race	166.804 km	14
24.08	50mi	Chorley 24 Hour Road Race - 50mi Split	8:38:08 h	20
24.08	100km	Chorley 24 Hour Road Race - 100km Split	11:01:44 h	16
24.08	100mi	Chorley 24 Hour Road Race - 100mi Split	22:55:18 h	15
04.05	24h	24 hour road race Preston	161.699 km	13
04.05	100mi	24 hour road race Preston - 100mi Split	22:51:02 h	12
1984
25.08	24h	Chorley 24 Hour Road Race	174.332 km	10
25.08	100km	Chorley 24 Hour Road Race - 100km Split	12:12:31 h	12
25.08	100mi	Chorley 24 Hour Road Race - 100mi Split	22:21:05 h	11
05.05	24h	3rd 24 hour road race Preston	182.051 km	6
05.05	100mi	3rd 24 hour road race Preston - 100 mi Split	21:01:57 h	8
1983
27.08	24h	Chorley 24 Hour Road Race	165.781 km	13
27.08	50mi	Chorley 24 Hour Road Race - 50mi Split	8:47:48 h	12
27.08	100km	Chorley 24 Hour Road Race - 100km Split	12:45:06 h	13
27.08	100mi	Chorley 24 Hour Road Race - 100mi Split	22:53:33 h	11
30.04	24h	24 hour road race Preston	180.166 km	7
1982
04.09	30mi	South London Harriers 30 Mile	4:24:30 h	89
19.06	24h	Altrincham 24 h Track Race	184.566 km	8
08.05	24h	24 hour road race Preston	166.775 km	11
1981
10.10	24h	RRC Invitation 24 Hour Track Race	211.356 km	6
27.09	86.1km	31st London to Brighton Road Race	8:35:46 h	109
29.08	24h	Blackburn 24 Hours Track Run	209.657 km	2 🥈
1980
11.10	24h	Blackburn 24 Hours Track Run	199.664 km	9
28.09	87.3km	30th London to Brighton Road Race	7:49:53 h	81
25.05	39.5mi	26th Isle of Man TT course 40 miler	5:20:55 h	21
1979
27.05	39.5mi	25th Isle of Man TT course 40 miler	5:25:38 h	17
1978
01.10	86.1km	28th London to Brighton Road Race	8:04:31 h	68
28.05	39.5mi	24th Isle of Man TT course 40 miler	6:06:17 h	26
1977
25.09	85.1km	27th London to Brighton Road Race	8:38:22 h	73
1976
30.05	39.5mi	22nd Isle of Man TT course 40 miler	6:24:00 h	29
1975
28.09	84.7km	25th London to Brighton Road Race	7:38:45 h	69
25.05	39.5mi	21st Isle of Man TT course 40 miler	4:55:51 h	17
1974
29.09	84.7km	24th London to Brighton Road Race	7:55:53 h	73
1973
30.09	84.7km	23rd London to Brighton Road Race	7:29:16 h	55
1972
21.10	44mi	Edinburgh to Glasgow Race	5:37:40 h	3 🥉
01.10	84.7km	22nd London to Brighton Road Race	6:56:08 h	28
1971
23.10	44mi	Edinburgh to Glasgow Race	7:00:00 h	5
1970
17.10	42mi	Edinburgh to Glasgow Race	6:45:43 h	10
1969
18.10	42mi	Edinburgh to Glasgow Race	6:05:06 h	6
28.09	84.7km	19th London to Brighton Road Race	7:08:41 h	34
26.07	48.5mi	Liverpool-Blackpool 48.5 Mile Road Race	5:44:23 h	11
1968
19.10	42mi	Edinburgh to Glasgow Race	5:41:00 h	6
29.09	84.5km	18th London to Brighton Road Race	7:36:42 h	34
1966
24.09	84.5km	16th London to Brighton Road Race	7:43:55 h	50
1965
25.09	84.5km	15th London to Brighton Road Race	7:29:32 h	29
17.07	48.5mi	Liverpool-Blackpool 48.5 Mile Road Race	6:27:08 h	14
1962
29.09	84.5km	12th London to Brighton Road Race	7:20:13 h	23
28.07	48.5mi	Liverpool-Blackpool 48.5 Mile Road Race	6:29:51 h	5
1960
24.09	84.5km	10th London to Brighton Road Race	6:45:24 h	22

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	10/10/1981	RRC Invitation 24 Hour Track Race	211,36	×3
✓ 2	29/8/1981	Blackburn 24 Hours Track Run	209,66	×3
✓ 3	11/10/1980	Blackburn 24 Hours Track Run	199,66	×3
✓ 4	19/6/1982	Altrincham 24 h Track Race	184,57	×3
✓ 5	5/5/1984	3rd 24 hour road race Preston	182,05	×3
✓ 6	30/4/1983	24 hour road race Preston	180,17	×3
✓ 7	25/8/1984	Chorley 24 Hour Road Race	174,33	×2
✓ 8	24/8/1985	Chorley 24 Hour Road Race	166,80	×2
✓ 9	8/5/1982	24 hour road race Preston	166,78	×2
✓ 10	27/8/1983	Chorley 24 Hour Road Race	165,78	×2
✓ 11	7/6/1986	24 hour road race Cranwell	165,49	×2
✓ 12	4/5/1985	24 hour road race Preston	161,70	×2
✓ 13	22/8/1987	Chorley 24 Hour Road Race	111,32	×1
✓ 14	23/8/1986	Chorley 24 Hour Road Race	108,73	×1
✓ 15	27/8/1988	24 hour road race Preston	108,18	×1
✓ 16	28/9/1980	30th London to Brighton Road Race	87,30	×1
✓ 17	27/9/1981	31st London to Brighton Road Race	86,10	×1
✓ 18	1/10/1978	28th London to Brighton Road Race	86,10	×1
✓ 19	25/9/1977	27th London to Brighton Road Race	85,10	×1
✓ 20	28/9/1975	25th London to Brighton Road Race	84,70	×1
✓ 21	29/9/1974	24th London to Brighton Road Race	84,70	×1
✓ 22	30/9/1973	23rd London to Brighton Road Race	84,70	×1
✓ 23	1/10/1972	22nd London to Brighton Road Race	84,70	×1
✓ 24	28/9/1969	19th London to Brighton Road Race	84,70	×1
✓ 25	29/9/1968	18th London to Brighton Road Race	84,50	×1
✓ 26	24/9/1966	16th London to Brighton Road Race	84,50	×1
✓ 27	25/9/1965	15th London to Brighton Road Race	84,50	×1
✓ 28	29/9/1962	12th London to Brighton Road Race	84,50	×1
✓ 29	24/9/1960	10th London to Brighton Road Race	84,50	×1
✓ 30	26/7/1969	Liverpool-Blackpool 48.5 Mile Road Race	78,05	×1
✓ 31	17/7/1965	Liverpool-Blackpool 48.5 Mile Road Race	78,05	×1
✓ 32	28/7/1962	Liverpool-Blackpool 48.5 Mile Road Race	78,05	×1
✓ 33	21/10/1972	Edinburgh to Glasgow Race	70,81	×1
✓ 34	23/10/1971	Edinburgh to Glasgow Race	70,81	×1
✓ 35	17/10/1970	Edinburgh to Glasgow Race	67,59	×1
✓ 36	18/10/1969	Edinburgh to Glasgow Race	67,59	×1
✓ 37	19/10/1968	Edinburgh to Glasgow Race	67,59	×1
✓ 38	25/5/1980	26th Isle of Man TT course 40 miler	63,57	×1
✓ 39	27/5/1979	25th Isle of Man TT course 40 miler	63,57	×1
✓ 40	28/5/1978	24th Isle of Man TT course 40 miler	63,57	×1
✓ 41	30/5/1976	22nd Isle of Man TT course 40 miler	63,57	×1
✓ 42	25/5/1975	21st Isle of Man TT course 40 miler	63,57	×1
✓ 43	4/9/1982	South London Harriers 30 Mile	48,28	—