David Jeffreys
ID 828225
Born : 1981 Cat. M45 Ultrarunner since 2016 GBR
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
19
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
3
Countries visited ?GBRUnited KingdomIRLIrelandMASMalaysia
25,5%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 296; Σ finishers = 1 163. 296 / 1 163 × 100 = 25.45%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed9
Km — ultra races481 km
Longest race62,0 km
The Fox 62k — 25/5/2024

Km per year (ultra races)

53
1 race
2022
2023
62
1 race
2024
50
1 race
2025
2026

Race types (share of distance)

Trail100,0%

Records

50 km5h06'06

HISTORY

9 race(s)
DateRacePerf.Rk
2025
08.11 50km GBRFive Trails Ultra 50km 5:06:06 h11
2024
25.05 62km GBRThe Fox 62k 6:59:45 h40
2022
06.03 33mi GBRThe Imber Ultra 5:22:19 h28
2020
08.03 33mi GBRThe Imber Ultra 5:45:46 h31
2019
03.03 33mi GBRThe Imber Ultra 5:47:15 h36
12.01 53km IRLThe Art O´Neill Ultra Run 9:48:53 h80
2018
11.03 33mi GBRThe Imber Ultra 5:47:51 h37
2017
05.03 33mi GBRThe Imber Ultra 5:58:59 h29
2016
04.06 50km MAS1st Borneo Ultra Trail Marathon BUTM - 50 km 9:09:41 h13