John Boyd Foden

Born : 1926 Cat. M95 Ultrarunner since 1981

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

Germany

Greece

Netherlands

United States

41,7%

Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 961; Σ finishers = 2 305. 961 / 2 305 × 100 = 41.69%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed16

Km — ultra races1 653 km

> 100 km2

> 160 km2

> 200 km1

> 24h1

Longest race246,0 km

Spartathlon (trial run of the course) — 8/10/1982

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road85,1%

Trail14,9%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

100 km9h03'49 50 mi8h20'52 24 h179,78 km

HISTORY

17 race(s) · 3 split(s) nested

Date		Race	Perf.	Rk
1993
03.10	88.5km	43rd London to Brighton Road Race	9:19:54 h	75
1991
07.09	100km	16. RUN Winschoten 100 km	11:25:17 h	59
1990
27.10	100km	IAU 100km WC Duluth (8th Edmund Fitzgerald 100K Road Race)	10:44:44 h	86
09.09	40mi	8th Bolton 40 miles road race	6:20:15 h	31
25.08	36mi	Two Bridges race	5:16:12 h	44
28.04	50km	7. Int. Deutscher 100km-Lauf des SSC Hanau-Rodenbach - Open race - 50km Split	4:36:21 h	255
28.04	100km	7. Int. Deutscher 100km-Lauf des SSC Hanau-Rodenbach - Open race	10:40:10 h	283
04.03	40mi	4th Barry 40 Mile Track Race	5:43:15 h	16
1989
08.10	85.8km	39th London to Brighton Road Race	8:21:40 h	103
16.07	50mi	John Tarrant Memorial 50 mile Race	8:20:52 h	27
1986
07.06	24h	24 hour road race Cranwell	179.784 km	14
07.06	50mi	24 hour road race Cranwell - 50mi Split	7:57:53 h	13
07.06	100km	24 hour road race Cranwell - 100km Split	11:00:52 h	15
07.06	100mi	24 hour road race Cranwell - 100mi Split	20:35:08 h	12
1985
23.06	100km	Lincolnshire Ultra Races 100km	10:06:41 h	25
1984
07.10	85.8km	34th London to Brighton Road Race	7:50:54 h	95
1982
08.10	246km	Spartathlon (trial run of the course)	37:37:00 h	2 🥈
04.09	100km	14. 100 km Lauf Unna	9:10:41 h	39
1981
17.10	100km	6. 100-km-Lauf Hamm-Heessen	9:15:55 h	52
05.09	100km	13. 100 km Lauf Unna	9:03:49 h	26

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	8/10/1982	Spartathlon (trial run of the course)	246,00	×7
✓ 2	7/6/1986	24 hour road race Cranwell	179,78	×5
✓ 3	7/9/1991	16. RUN Winschoten 100 km	100,00	×2
✓ 4	27/10/1990	IAU 100km WC Duluth (8th Edmund Fitzgerald 100K Road Race)	100,00	×2
✓ 5	28/4/1990	7. Int. Deutscher 100km-Lauf des SSC Hanau-Rodenbach - Open race	100,00	×2
✓ 6	23/6/1985	Lincolnshire Ultra Races 100km	100,00	×2
✓ 7	4/9/1982	14. 100 km Lauf Unna	100,00	×2
✓ 8	17/10/1981	6. 100-km-Lauf Hamm-Heessen	100,00	×2
✓ 9	5/9/1981	13. 100 km Lauf Unna	100,00	×2
✓ 10	3/10/1993	43rd London to Brighton Road Race	88,50	×2
✓ 11	8/10/1989	39th London to Brighton Road Race	85,80	×2
✓ 12	7/10/1984	34th London to Brighton Road Race	85,80	×2
✓ 13	16/7/1989	John Tarrant Memorial 50 mile Race	80,47	×2
✓ 14	9/9/1990	8th Bolton 40 miles road race	64,37	×1
✓ 15	4/3/1990	4th Barry 40 Mile Track Race	64,37	×1
✓ 16	25/8/1990	Two Bridges race	57,94	×1