Jonathan Langford
ID 417882
Born : 1968 Cat. M55 Ultrarunner since 2013 GBR
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
54
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
2
Countries visited ?GBRUnited KingdomITAItaly
41,0%
Rank quotient ?This runner's calculation uses 51 eligible race(s): Σ(rank − 1) = 3 916; Σ finishers = 9 545. 3 916 / 9 545 × 100 = 41.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed53
Km — ultra races4 247 km
> 100 km10
> 160 km6
Longest race165,6 km
8th North Downs Way 100 Mile Race — 4/8/2018

Km per year (ultra races)

294
4 races
2022
2023
2024
2025
2026

Race types (share of distance)

Road4,2%
Trail92,7%
Stage3,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M2
🏅 Top 31
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km5h10'46100 km12h17'1450 mi8h23'04100 mi21h16'356 h61,20 km

HISTORY

51 race(s)
DateRacePerf.Rk
2022
26.08 101km ITA16ème Courmayeur-Champex-Chamonix 25:07:28 h1528
25.06 61km GBRBlack Mountains Trail Running Challenge 61km 9:58:07 h36
29.05 52km GBRBrecon Beacons Trail Running Challenge – Sunday 7:41:08 h14
07.05 50mi GBRPennine Barrier Ultra 50 11:37:25 h75
2021
23.10 47mi GBR14th Thames Trot Ultra 8:47:16 h54
23.07 100mi GBRLakeland 100 Mile 37:22:44 h235
20.06 6h GBRFour Season 6 Hour Spring Challenge 56.391 km4
08.05 47mi GBRThe Lap Spring Forward 11:03:23 h77
10.04 54mi GBR2nd Rose of the Shires Ultra 54 10:30:36 h51
2020
06.09 35mi GBRNorthants Ultra 35 Shires & Spires 6:13:29 h22
25.01 31mi GBRWaterway 30 5:21:41 h33
2019
21.09 51.8km GBRHumanity Direct Tring Ultra 5:42:54 h37
29.06 100.8km GBR5th Ultimate Lakeland Trails Challenge 100 km 18:26:23 h47
01.06 35mi GBRNorthants Ultra 35 Shires & Spires 6:27:11 h29
16.05 6h GBRWendover Forest and Hills Challenge 59.062 km2 🥈
06.04 54mi GBR1st Rose of the Shires Ultra 54 10:34:46 h18
09.03 50km GBRHumanity Direct Amersham Ultra 5:32:31 h72
23.02 6h GBRBedford Barkers 6 Hour Challenge 61.200 km4
26.01 40mi GBRWinter Wychavon Way 6:57:33 h22
2018
17.11 50mi GBR3rd Wendover Woods 50 12:04:50 h104
13.10 100mi GBR7th Autumn 100 Mile Race 22:59:47 h69
15.09 50mi GBR3rd Chiltern Wonderland 50 Mile Race 10:34:53 h100
04.08 102.9mi GBR8th North Downs Way 100 Mile Race 25:41:56 h61
14.07 52km GBRThe 'Chiltern Ultra Challenge' Intro 50km Ultra 5:59:09 h57
09.06 100mi GBR7th South Downs Way 100 Mile Race 22:06:22 h63
19.05 50mi GBR8th North Downs Way 50 Mile Race 10:15:06 h88
05.05 100mi GBR7th Thames Path 100 22:37:38 h50
07.04 50mi GBR6th South Downs Way 50 Mile Race 9:13:42 h106
10.03 50km GBRHumanity Direct Amersham Ultra 5:10:46 h23
2017
28.12 45mi GBR2nd Winter Cross Ultra 45mi 7:55:28 h20
10.11 84mi/3stages GBR9th Druid Challenge Ridgeway Multistage Ultra 15:26:04 h32
01.10 42.9mi GBR2nd Limestone Way Ultra 43 miles 8:54:28 h12
09.09 58mi GBR4th The Ultra Tour of Snowdonia 14:30:15 h16
05.08 50mi GBRMendip Marauder 50mi 10:32:21 h13
13.05 40.8mi GBRDukeries Ultra 40 Mile 6:32:03 h20
04.03 45mi GBRGreen Man Ultra 45 Miles 9:06:29 h48
04.02 50mi GBRGB Ultra Thames Trot 8:41:14 h44
14.01 45mi GBRGB Ultra Country to Capital 7:09:07 h90
2016
15.10 100mi GBR5th Autumn 100 Mile Race 21:16:35 h39
20.08 54km GBR1st Hangman Ultra 50km 5:44:16 h11
02.07 110km GBR3rd Ultimate Trails Challenge 110 km 17:40:57 h69
05.06 35mi GBRNorthants Ultra 35 5:45:27 h36
08.05 52mi GBREvesham Ultra 11:51:32 h17
06.02 50mi GBRGB Ultra Thames Trot 10:01:16 h143
2015
03.10 35mi GBRThe Round Ripon Ultra 35 6:10:47 h22
07.06 35mi GBRNorthants Ultra 35 5:31:56 h39
26.04 44.5mi GBREvesham Ultra 8:12:19 h10
07.02 50mi GBRGB Ultra Thames Trot 8:32:55 h71
2014
19.07 100km GBR2nd Race to the Stones 100 km Ultramarathon 12:17:14 h59
01.06 35mi GBRNorthants Ultra 35 6:20:04 h43
2013
19.05 50mi GBRThe Cardiff Ultra 50 Miles 8:23:04 h32