Sean Mason
ID 596108
Born : 1970 Cat. M55 Ultrarunner since 2014 IRL
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
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
5
Countries visited ?AUSAustraliaGBRUnited KingdomIRLIrelandITAItalyMARMorocco
70,2%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 5 205; Σ finishers = 7 416. 5 205 / 7 416 × 100 = 70.19%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36
Km — ultra races2 796 km
> 100 km10
> 160 km6
> 200 km1
Longest race249,0 km
30. Marathon des Sables — 5/4/2015

Km per year (ultra races)

46
1 race
2022
147
2 races
2023
120
2 races
2024
50
1 race
2025
2026

Race types (share of distance)

Road7,6%
Trail79,7%
Stage12,7%

Records

50 km4h38'09100 km13h42'5650 mi13h09'41100 mi30h14'49

HISTORY

30 race(s)
DateRacePerf.Rk
2025
08.03 50km AUSWarburton Trail Fest Lumberjack Ultra 6:59:04 h106
2024
28.09 46.4km IRL6th Ecotrail Wicklow 46km 8:37:24 h228
13.01 46mi GBR3rd Winter Spine Sprint 17:28:48 h73
2023
30.09 46.4km IRL5th Ecotrail Wicklow 46km 7:43:29 h230
01.09 101km IRL5th The Kerry Way UltraNite 24:10:20 h85
2022
24.09 46.4km IRL4th Ecotrail Wicklow 46km 8:05:09 h206
2021
25.09 46.2km IRL3rd Ecotrail Wicklow 46km 7:50:33 h218
04.09 58km IRL5th The Kerry Way UltraLite 9:49:16 h154
2020
11.01 108mi GBR9th Spine Challenger 2d 08:19:19 h43
2019
07.09 57.5km IRL3rd The Kerry Way UltraLite 9:30:05 h43
2018
07.12 100mi IRL3rd Wicklow Way 100 Miles 34:52:06 h32
28.04 53mi GBR13th Highland Fling Race 13:01:32 h485
13.01 108mi GBR7th Spine Challenger 2d 04:01:17 h54
2017
01.12 100mi IRL2nd Wicklow Way 100 Miles 30:14:49 h8
01.09 190km IRLThe Kerry Way Ultra 39:07:07 h31
23.06 120km ITA11^ Lavaredo Ultra Trail by UTMB - 120K 28:34:55 h996
29.04 53mi GBR12th Highland Fling Race 53 Mile 11:49:38 h334
25.03 51km IRLMaurice Mullins Ultra 7:01:57 h159
2016
03.12 50mi IRL2nd Wicklow Way 50 Miles 13:09:41 h51
11.06 127km IRLWicklow Way Race 127 km solo 20:40:02 h33
30.04 53mi GBR11th Highland Fling Race 53 Mile 12:50:00 h423
10.04 63.3km IRL13th Connemara Int. Ultramarathon 6:52:35 h87
26.03 51km IRLWicklow Way 51 km Ultra 7:12:35 h155
16.01 51.4km IRLThe Art O´Neill Ultra Run 11:03:38 h97
2015
25.07 100km IRL3rd Waterfront Ultra Marathon 100K 13:42:56 h14
13.06 50km IRLPortumna 50km Ultramarathon 4:38:09 h33
05.04 249km/6stages MAR30. Marathon des Sables 46:16:39 h578
31.01 66mi/2stages GBRPilgrim Challenge North Downs Way Multistage Ultra 14:32:37 h102
16.01 55km IRLThe Art O´Neill Ultra Run 9:36:43 h71
2014
12.10 50km GBR3rd Royal Park Ultra 4:51:50 h106