John Griffin

Born : 1977 Cat. M45 Ultrarunner since 2016

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

Ireland

56,1%

Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 390; Σ finishers = 695. 390 / 695 × 100 = 56.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed7

Km — ultra races522 km

> 100 km1

> 160 km1

Longest race169,0 km

Belfast 2 Dublin Ultra — 30/3/2018

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road61,5%

Trail38,5%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

50 km3h58'13 100 km9h44'34

HISTORY

7 race(s)

Date		Race	Perf.	Rk
2019
09.02	50km	9th Donadea 50k Race	4:34:37 h	79
2018
07.04	51km	Maurice Mullins Ultra	6:47:30 h	116
30.03	169km	Belfast 2 Dublin Ultra	28:46:00 h	28
10.02	50km	8th Donadea 50k Race	3:58:13 h	26
2017
11.02	50km	7th Donadea 50k Race	4:52:06 h	141
2016
25.06	100km	Energia 100 km Race	9:44:34 h	3 🥉
23.04	52km	Royal Canal Run Longford Ultra	4:06:36 h	4

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	30/3/2018	Belfast 2 Dublin Ultra	169,00	×8
✓ 2	25/6/2016	Energia 100 km Race	100,00	×4
✓ 3	23/4/2016	Royal Canal Run Longford Ultra	52,00	×2
✓ 4	7/4/2018	Maurice Mullins Ultra	51,00	×2
✓ 5	9/2/2019	9th Donadea 50k Race	50,00	×2
✓ 6	10/2/2018	8th Donadea 50k Race	50,00	×2
✓ 7	11/2/2017	7th Donadea 50k Race	50,00	×2