Ian Masterton
Born : 1976 Cat. M50 Ultrarunner since 2012 NZL
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
10
Countries visited ?AUSAustraliaAUTAustriaESPSpainGBRUnited KingdomITAItalyNZLNew ZealandRSASouth AfricaSUISwitzerlandTURTürkiyeUSAUnited States
27,5%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 1 977; Σ finishers = 7 190. 1 977 / 7 190 × 100 = 27.50%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 469 km
> 100 km8
> 160 km3
Longest race160,9 km

Km per year (ultra races)

215
2 races
2022
2023
194
2 races
2024
480
4 races
2025
72
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0

HISTORY

27 race(s)
DateRacePerf.Rk
2026
23.05 72km AUT14. mozart Ultra 13:02:54 h377
2025
20.09 100mi USA13th Mountain Lakes 100 21:41:30 h6
04.07 143km ESPVal d'Aran by UTMB - VDA (Torn dera Val d'Aran) 25:40:41 h145
17.05 103km GBR8th Ultra-Trail Snowdonia - 100km 20:52:20 h133
22.03 73km ITA7^ Chianti Ultra Trail 9:28:25 h176
2024
19.10 63.6km TUR11th Cappadocia Medium Trail 7:09:57 h54
10.09 130km ITA8° TOR130 - Tot Dret 32:49:24 h32
2022
23.08 145km ITA12ème Sur les Traces des Ducs de Savoie 29:39:32 h116
30.07 70km SUIMontreux Trail Festival - MXALPS 13:29:53 h56
2021
07.08 62km NZLRed Cross Resilience Run 5:40:47 h11
20.03 100mi NZL10th Northburn Station 100 Miler Mountain Run 27:47:13 h13
16.01 50km NZLThe "James" Stampede 50 6:17:56 h12
2020
18.01 100km NZLUltra Easy 100k Sky Run 15:04:53 h16
2019
12.10 50km NZL4th Taupo Ultramarathon 50km 4:50:56 h19
2017
02.12 100km RSA4th Ultra-Trail Cape Town (UTCT) 100 km 16:17:33 h93
26.08 100km NZLGreat Naseby Water 100 km Race 10:48:35 h1 🏆
18.03 100mi NZL7th Northburn Station 100 Miler Mountain Run 26:55:59 h12
11.02 102km NZL9th Tarawera 100 km Ultramarathon 12:49:42 h109
2016
12.11 50km NZL3rd Tarawera Trail 50k run 5:34:44 h37
17.06 62km NZLWellington Urban Ultra 2K (WUU-2K) 7:28:11 h10
19.03 100km NZL6th Northburn Station 100 km Mountain Run 17:09:27 h6
20.02 50mi USA3rd Antelope Canyon 50 Mile Race 13:36:06 h153
2015
21.03 50km NZL5th Northburn Station 50 km Mountain Run 8:35:48 h24
2014
15.11 50km NZL1st Tarawera Trail 50k run 6:03:02 h29
13.09 100km AUSSurf Coast Century 100 km 12:56:51 h78
2012
01.12 50mi USA6th Endurance Challenge - California Trail 50 Mile 12:05:40 h277
24.03 50km NZL2nd Northburn Station 50 km Mountain Run 7:19:11 h9