Ian Spriggs
ID 869909
Born : 1967 Cat. M55 Ultrarunner since 2016 GBR
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
1
Countries visited ?GBRUnited Kingdom
27,7%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 1 472; Σ finishers = 5 315. 1 472 / 5 315 × 100 = 27.70%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36
Km — ultra races2 935 km
> 100 km7
> 160 km3
> 200 km1
Longest race378,2 km
Deadwater Multi Stage Ultra — 20/8/2021

Km per year (ultra races)

481
6 races
2022
407
6 races
2023
216
3 races
2024
80
1 race
2025
2026

Race types (share of distance)

Road3,4%
Trail83,7%
Stage12,9%

Records

50 km7h19'31100 km11h18'4250 mi8h39'19100 mi20h45'45

HISTORY

31 race(s)
DateRacePerf.Rk
2025
15.03 50mi GBRChester Ultra 50 10:06:32 h105
2024
29.03 50mi GBRManchester to Liverpool Ultra 50 8:39:19 h81
02.03 50mi GBRChester Ultra 50 10:15:01 h75
01.01 34mi GBR3rd North Leeds Greenway Ultra 34mi 7:53:09 h18
2023
17.09 50km GBR2nd Ambleside Trail 50km 7:19:31 h77
09.09 47mi GBRThe Lap Anticlockwise 12:59:59 h149
26.08 46mi GBR10th The Grand Tour of Skiddaw 11:55:57 h39
04.03 50mi GBRChester Ultra 50 Miles 9:49:58 h96
04.02 45mi GBRPendle Way In A Day 45mi 10:06:15 h31
01.01 34mi GBR2nd North Leeds Greenway Ultra 34mi 7:54:15 h17
2022
12.11 35mi GBR6th Wharfedale Skyline Ultra 35mi 7:10:25 h20
08.10 56mi GBR12th Glasgow-Edinburgh Ultramarathon 10:36:34 h70
17.09 119.1km GBRThe Cumbria Way Ultra 73mi 17:40:51 h10
02.07 34mi GBR6th Otley High Views Ultra 34mi 8:17:09 h11
15.04 50mi GBRManchester to Liverpool Ultra 8:52:31 h62
12.03 50mi GBRChester Ultra 50 Miles 9:47:52 h56
2021
02.10 35mi GBRThe Round Ripon Ultra 35 7:11:21 h39
20.08 235mi/6stages GBRDeadwater Multi Stage Ultra 2d 22:59:50 h10
03.07 50mi GBRChester Ultra 50 Miles 10:38:23 h40
2020
29.02 50mi GBRChester Ultra 50 Miles 8:41:00 h33
2019
12.10 50mi GBR37th Rowbotham's Round Rotherham 9:17:15 h16
14.09 119.1km GBRThe Cumbria Way Ultra 73mi 16:33:50 h11
04.05 100mi GBR8th Thames Path 100 20:45:45 h42
24.03 100km GBR5th Canalathon 100km 11:18:42 h17
2018
15.09 73mi GBRThe Cumbria Way Ultra 73mi 19:53:13 h43
05.05 100mi GBR7th Thames Path 100 25:28:59 h109
10.03 50mi GBRChester Ultra 50 Miles 10:52:00 h67
2017
19.11 65km GBR1st Tweed Valley Ultra 65km 8:38:21 h51
19.08 60mi GBRUltra Tour of Peak District 17:55:27 h34
2016
17.09 73mi GBRThe Cumbria Way Ultra 20:19:38 h25
27.08 35mi GBRSt. Begas Ultra Marathon 8:10:08 h49