Donald Alexander Ritchie
Born : 1944 Cat. M80 Ultrarunner since 1970 GBR
84
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
90
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
13
Countries visited ?BELBelgiumCANCanadaESPSpainFINFinlandFRAFranceGBRUnited KingdomHUNHungaryIRLIrelandITAItalyJPNJapanNEDNetherlandsSUISwitzerlandUSAUnited States
7,2%
Rank quotient ?This runner's calculation uses 137 eligible race(s): Σ(rank − 1) = 1 091; Σ finishers = 15 166. 1 091 / 15 166 × 100 = 7.19%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed137
Km — ultra races13 831 km
> 100 km26
> 160 km18
> 200 km13
> 24h22
Longest race268,3 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road90,1%
Trail6,3%
?3,6%

Wins & podiums (ultra)

🏆 Win37
🏆 Win M37
🏅 Top 371
🏅 Top 3 M71
Longest winning streak6
Current streak0

HISTORY

137 race(s) · 35 split(s) nested
DateRacePerf.Rk
2004
09.10 24h GBR15th Self-Transcendence 24 Hour Track Race Tooting Bec 136.560 km19
07.03 40mi GBR18th Barry 40 Mile Track Race 6:05:29 h17
2003
11.10 24h GBR14th Self-Transcendence 24 Hour Track Race Tooting Bec 189.163 km1 🏆
28.09 50km ITA9^ Lupatotissima 50 km 4:17:44 h17
30.05 24h NED24e 24 uurs Apeldoorn 130.933 km24
11.05 50km GBR8th Fife AC 50km Road Race 4:09:02 h14
02.03 40mi GBR17th Barry 40 Mile Track Race 5:38:03 h20
2002
06.10 87.1km GBR52nd London to Brighton Road Race 8:12:20 h23
12.05 50km GBR7th Fife AC 50km Road Race 4:05:49 h11
07.04 100km GBR100 km Moreton-in-Marsh 11:12:15 h18
03.03 40mi GBR16th Barry 40 Mile Track Race 5:31:50 h16
2001
04.03 40mi GBR15th Barry 40 Mile Track Race 4:53:07 h9
2000
21.10 24h NED7th IAU 24h EC Uden 220.371 km17
01.10 88.5km GBR50th London to Brighton Road Race 7:07:03 h8
09.09 100km NED25. IAU 100km WC Winschoten 7:54:45 h64
16.06 100km BEL21. Nacht van Vlaanderen, 100km Torhout 8:05:10 h18
14.05 50km GBR5th Fife AC 50km Road Race 3:33:04 h7
16.04 50km GBR7th Speyside Way 50km Race 3:43:32 h4
05.03 40mi GBR14th Barry 40 Mile Track Race 4:44:09 h6
1999
25.09 24h ITA5^ IAU 24h EC Verona (Lupatotissima 24 ore) 222.454 km6
19.06 100km IRL100 km Dublin 7:35:29 h5
09.05 50km GBR4th Fife AC 50km Road Race 3:34:48 h11
11.04 50km GBR6th Speyside Way 50km Race 3:44:44 h13
07.03 40mi GBR13th Barry 40 Mile Track Race 5:19:56 h23
1998
18.10 100km JPNIAU 100km WC Nakamura (5th River Shimanto 100km) 10:43:42 h78
12.09 100km NED23. RUN Winschoten 100 km 8:53:10 h37
29.08 24h FRA6th IAU 24h EC Marquette 234.083 km11
19.06 100km BEL19. Nacht van Vlaanderen, 100km Torhout 7:59:38 h50
10.05 100km GBR100 km Greenwich 7:41:28 h3 🥉
12.04 50km GBR5th Speyside Way 50km Race 3:58:32 h10
1997
11.10 24h GBR10th Self-Transcendence 24 Hour Track Race Tooting Bec 181.609 km9
02.03 40mi GBR11th Barry 40 Mile Track Race 4:23:28 h5
1996
25.08 100km FRA100 km de Cléder 8:11:20 h64
21.07 100km GBREdinburgh Self Transcendence 100km 7:38:15 h2 🥈
22.06 153km GBR12th West Highland Way Race 22:11:26 h7
1995
14.10 24h GBR8th Self-Transcendence 24 Hour Track Race Tooting Bec 100.800 km21
16.09 100km NED20. IAU 100km WC Winschoten 7:09:49 h37
30.07 100km GBREdinburgh Self Transcendence 100km 7:34:30 h3 🥉
24.06 153km GBR11th West Highland Way Race 20:46:43 h3 🥉
27.05 100km FRA8ème Les 100 km de Vendée 7:16:18 h20
16.04 50km GBR2nd Speyside Way 50km Race 3:26:25 h3 🥉
05.03 40mi GBR9th Barry 40 Mile Track Race 4:21:34 h2 🥈
1994
22.10 24h GBR7th Self-Transcendence 24 Hour Track Race Tooting Bec 236.861 km1 🏆
31.08 100km CANHarriers 100 km Int. Challenge 7:29:46 h3 🥉
18.06 120km GBR10th West Highland Way Race 14:46:00 h3 🥉
21.05 24h HUN3th IAU 24h EC Szeged 222.355 km9
03.04 50km GBR1st Speyside Way 50km Race 3:31:06 h6
1993
27.06 100km JPN8. Lake Saroma 100 km Ultramarathon 8:02:38 h14
28.05 24h GBRFeltham Puffers 24 hour road race 208.457 km2 🥈
23.05 100km GBR100 km Nottingham 7:09:40 h2 🥈
01.05 24h SUI2nd IAU 24h EC Basel 180.895 km60
27.02 100km USANew York Ultimax 100km Race 7:53:23 h9
1992
27.09 100km GBRScottish 100 km Championship 7:01:27 h1 🏆
12.09 100km NED17. IAU 100km EC Winschoten 6:52:20 h7
29.08 36mi GBRTwo Bridges race 4:00:52 h11
08.08 24h GBRNorth Solihull 24 Hours Track Race 260.503 km1 🏆
12.07 50mi GBRJohn Tarrant Memorial 50 mile Race 5:56:15 h2 🥈
31.05 100km GBR100 km Nottingham 6:51:54 h1 🏆
03.05 100km ESP100 km Palau de Plegamans - Barcelona 6:57:31 h9
05.04 100km ESPVI 100 km Pedestres Villa de Madrid 7:44:49 h14
16.02 100km ESPIAU 100km WC Palamos (V. 100km de la Costa Brava) - open race 7:34:21 h39
16.02 100km ESPIAU 100km WC Palamos (V. 100km de la Costa Brava) 7:34:21 h37
1991
26.10 24h GBR4th Self-Transcendence 24 Hour Track Race Copthall 268.251 km1 🏆
05.10 100km ESPXII. 100 km Internacionales de Cantabria 6:49:13 h5
24.08 36mi GBRTwo Bridges race 3:41:28 h2 🥈
21.07 50mi GBRJohn Tarrant Memorial 50 mile Race 5:40:15 h1 🏆
06.07 153km GBR7th West Highland Way Race 19:44:11 h1 🏆
30.06 28mi GBRLairig Ghru Race 4:06:32 h10
21.06 100km BEL12. Nacht van Vlaanderen, 100km Torhout 6:52:09 h5
02.06 100km GBR100 km Nottingham 6:56:55 h3 🥉
25.05 100km ITAIAU 100km WC Firenze (19^ 100 km del Passatore) 7:13:26 h8
07.04 100km ESPV 100 km Pedestres Villa de Madrid 6:54:10 h4
1990
27.10 100km USAIAU 100km WC Duluth (8th Edmund Fitzgerald 100K Road Race) 7:11:14 h10
06.10 100km ESPXI. 100 km Internacionales de Cantabria 6:40:23 h1 🏆
25.08 36mi GBRTwo Bridges race 3:38:00 h1 🏆
22.07 100km GBRLincolnshire Ultra Races 100km 7:12:17 h1 🏆
15.07 50mi GBRJohn Tarrant Memorial 50 mile Race 5:29:50 h1 🏆
24.06 100km GBRSri Chinmoy 100 km track race 6:46:10 h1 🏆
03.06 100km GBR100 km Nottingham 6:46:29 h1 🏆
01.04 100km ESPIV 100 km Pedestres Villa de Madrid 7:11:49 h5
03.02 24h GBRInternat. 24 Hour Championships Milton Keynes 267.543 km1 🏆
1989
07.10 100km ESPX. 100 km Internacionales de Cantabria 6:51:14 h2 🥈
26.08 36mi GBRTwo Bridges race 3:55:07 h9
16.07 50mi GBRJohn Tarrant Memorial 50 mile Race 5:43:14 h3 🥉
25.06 100km FRA100 km de la Division Leclerc - IAU 100km WC - open race 7:21:32 h13
1988
19.11 24h GBRSri Chinmoy 24h race Glasgow 232.668 km1 🏆
29.05 100km ITA16^ 100 km del Passatore, Firenze-Faenza 6:56:03 h4
27.02 50km GBRManx Airlines 50 km Road Run 3:02:47 h2 🥈
1987
17.10 254km ITA4^ Cagliari-Sassari Supermaratona dei Nuraghi 25:28:51 h5
03.10 100km ESPVIII. 100 km Internacionales de Cantabria 6:43:58 h2 🥈
29.08 36mi GBRTwo Bridges race 3:41:19 h3 🥉
19.06 100km BELIAU 100km WC -inofficial- Torhout (8. Nacht van Vlaanderen) 6:40:51 h2 🥈
30.05 100km ITA15^ 100 km del Passatore, Firenze-Faenza 7:47:08 h8
28.02 50km GBRManx Airlines 50 km Road Run 2:57:00 h2 🥈
1986
04.10 100km ESPVII. 100 km Internacionales de Cantabria 6:47:49 h2 🥈
23.08 36mi GBRTwo Bridges race 3:36:37 h1 🏆
22.06 100km GBRLincolnshire Ultra Races 100km 7:02:46 h1 🏆
04.05 100km ITAXXIV Torino-Saint Vincent 100 km 6:36:02 h1 🏆
01.03 50km GBRManx Airlines 50 km Road Run 3:06:48 h3 🥉
1985
23.06 100km GBRLincolnshire Ultra Races 100km 6:47:40 h1 🏆
23.02 50km GBRManx Airlines 50 km Road Run 2:56:39 h3 🥉
1984
24.11 24h GBRSri Chinmoy 24 hour track race Coatbridge 220.142 km3 🥉
07.10 85.8km GBR34th London to Brighton Road Race 5:28:27 h2 🥈
25.08 36mi GBRTwo Bridges race 3:34:47 h2 🥈
24.06 100km GBRThe R.M. Wright 100 km 6:48:15 h1 🏆
03.06 50mi GBRSri Chinmoy 50-Mile Race Edinburgh to Glaskow 5:03:44 h1 🏆
25.02 40mi GBRManx Airlines 40 Miles Road Run 3:53:14 h1 🏆
1983
29.10 24h GBRSri Chinmoy 24 hour track race Coatbridge 211.208 km3 🥉
25.09 86.3km GBR33rd London to Brighton Road Race 5:24:23 h3 🥉
27.08 36mi GBRTwo Bridges race 3:34:39 h1 🏆
12.03 50mi GBRRoad Runners Club 50 Mile Track Race 4:51:49 h1 🏆
1982
25.09 100km ESPIII. 100 km Internacionales de Cantabria 6:28:11 h1 🏆
11.07 53km ITA7a Pistoia-Abetone Ultramarathon 4:05:15 h11
19.06 24h GBRAltrincham 24 h Track Race 102.800 km15
1981
10.10 24h GBRRRC Invitation 24 Hour Track Race 68.800 km18
05.04 50.5km FRA7. 50 km Baratange 2:55:29 h2 🥈
1980
25.05 100km ITA8^ 100 km del Passatore, Firenze-Faenza 6:54:14 h1 🏆
06.04 50km FRA6. 50 km Baratange 3:05:45 h3 🥉
1979
27.10 24h GBR24 hour Crystal Palace Track Race 88.000 km16
15.06 100mi USANew York Unisphere 100-Mile Run 11:51:12 h1 🏆
26.05 100km ITA7^ 100 km del Passatore, Firenze-Faenza 6:52:33 h1 🏆
28.04 40mi GBREpsom and Ewell 40 Mile Track Race 3:54:07 h1 🏆
10.03 50km GBR1st Altrincham 50 km Track Race 2:50:30 h1 🏆
1978
28.10 100km GBR100 km Crystal Palace Track Race 6:10:20 h1 🏆
01.10 86.1km GBR28th London to Brighton Road Race 5:13:02 h1 🏆
26.08 36mi GBRTwo Bridges race 3:32:49 h5
29.07 40mi GBR15th 40 mile road race - Woodford to Southend 3:59:35 h2 🥈
30.06 100km FIN7. Suomi-juoksu 100 km, Hartola 6:18:00 h1 🏆
1977
15.10 24h GBR24 hour Crystal Palace Track Race 166.400 km10
25.09 85.1km GBR27th London to Brighton Road Race 5:16:05 h1 🏆
27.08 36mi GBRTwo Bridges race 3:28:34 h2 🥈
25.06 50km GBRHillingdon 50 km Track Race 2:51:42 h1 🏆
30.04 50km GBREpsom and Ewell 50 km Track Race 2:51:38 h1 🏆
1974
02.11 30mi GBRWalton-on-Thames 30 Mile Track Race 2:49:33 h2 🥈
29.09 84.7km GBR24th London to Brighton Road Race 5:24:54 h3 🥉
24.08 36mi GBRTwo Bridges race 3:36:58 h5
1970
22.08 36mi GBRTwo Bridges race 3:50:50 h7