John (Jack) Borland

Born : 1929 Cat. M95 Ultrarunner since 1991

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

74,7%

Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 822; Σ finishers = 1 100. 822 / 1 100 × 100 = 74.73%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed17

Km — ultra races1 920 km

> 100 km7

> 160 km2

> 24h6

Longest race164,8 km

10th Self-Transcendence 24 Hour Track Race Tooting Bec — 11/10/1997

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road93,3%

Trail6,7%

Records

100 km10h21'07 24 h164,77 km

HISTORY

17 race(s)

Date		Race	Perf.	Rk
2007
06.10	24h	18th Self-Transcendence 24 Hour Track Race Tooting Bec	131.394 km	30
2006
14.10	24h	17th Self-Transcendence 24 Hour Track Race Tooting Bec	118.970 km	36
2005
08.10	24h	16th Self-Transcendence 24 Hour Track Race Tooting Bec	138.160 km	19
2000
07.10	24h	13th Self-Transcendence 24 Hour Track Race Tooting Bec	154.710 km	15
01.10	88.5km	50th London to Brighton Road Race	9:51:49 h	133
1997
11.10	24h	10th Self-Transcendence 24 Hour Track Race Tooting Bec	164.766 km	14
05.10	88.5km	47th London to Brighton Road Race	9:34:48 h	76
1996
12.10	24h	9th Self-Transcendence 24 Hour Track Race Tooting Bec	163.838 km	10
14.04	100km	100 km Greenwich	11:05:06 h	12
1995
01.10	88.5km	45th London to Brighton Road Race	9:47:46 h	87
21.05	100km	100 km Nottingham	10:21:07 h	31
1994
02.10	88.5km	44th London to Brighton Road Race	8:56:55 h	79
1993
03.10	88.5km	43rd London to Brighton Road Race	8:53:01 h	57
23.05	100km	100 km Nottingham	10:55:25 h	35
1992
04.10	88.5km	42nd London to Brighton Road Race	8:55:52 h	81
1991
06.10	88.5km	41st London to Brighton Road Race	8:55:25 h	113
29.06	80mi	South Downs Way 80 Mile Trail Run	16:15:10 h	11

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/10/1997	10th Self-Transcendence 24 Hour Track Race Tooting Bec	164,77	×4
✓ 2	12/10/1996	9th Self-Transcendence 24 Hour Track Race Tooting Bec	163,84	×3
✓ 3	7/10/2000	13th Self-Transcendence 24 Hour Track Race Tooting Bec	154,71	×3
✓ 4	8/10/2005	16th Self-Transcendence 24 Hour Track Race Tooting Bec	138,16	×3
✓ 5	6/10/2007	18th Self-Transcendence 24 Hour Track Race Tooting Bec	131,39	×3
✓ 6	29/6/1991	South Downs Way 80 Mile Trail Run	128,75	×3
✓ 7	14/10/2006	17th Self-Transcendence 24 Hour Track Race Tooting Bec	118,97	×2
✓ 8	14/4/1996	100 km Greenwich	100,00	×2
✓ 9	21/5/1995	100 km Nottingham	100,00	×2
✓ 10	23/5/1993	100 km Nottingham	100,00	×2
✓ 11	1/10/2000	50th London to Brighton Road Race	88,50	×2
✓ 12	5/10/1997	47th London to Brighton Road Race	88,50	×2
✓ 13	1/10/1995	45th London to Brighton Road Race	88,50	×2
✓ 14	2/10/1994	44th London to Brighton Road Race	88,50	×2
✓ 15	3/10/1993	43rd London to Brighton Road Race	88,50	×2
✓ 16	4/10/1992	42nd London to Brighton Road Race	88,50	×2
✓ 17	6/10/1991	41st London to Brighton Road Race	88,50	×2