David Michael Martin
Born : 1972 Cat. M50 Ultrarunner since 2013 GBR
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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 ?GBRUnited KingdomHKGHong KongINDIndiaJPNJapanSGPSingapore
33,4%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 4 903; Σ finishers = 14 664. 4 903 / 14 664 × 100 = 33.44%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races1 983 km
Longest race100,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road3,9%
Trail96,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

28 race(s)
DateRacePerf.Rk
2020
15.03 45km HKG4th WAA Hong Kong NE50 7:36:41 h40
17.01 56km HKG10th Hong Kong 100 Ultra Trail Race - Half 8:31:48 h102
2019
15.12 50km HKG7th The North Face 50 Hong Kong 9:27:09 h87
26.10 70km HKG7th Lantau Trail race 70k 16:58:27 h240
01.03 100km HKG8th TransLantau 100 Ultra Trail 24:37:53 h218
19.01 100km HKG9th Hong Kong 100 Ultra Trail Race 21:32:25 h484
2018
15.12 100km HKG6th The North Face 100 Hong Kong 23:30:59 h228
16.11 100km HKG37th Oxfam Trailwalker Hong Kong 25:49:06 h1201
13.10 76.1km HKG7th Raleigh Challenge Wilson Trail - Whole Course 17:26:58 h45
2016
11.03 100km HKG5th TransLantau 100 Ultra Trail 23:41:41 h412
2015
07.11 50km IND9th Bangalore 50 km Ultra Marathon 5:49:46 h26
31.10 70km HKG3rd Lantau Trail race 70k 14:23:03 h116
26.09 76.7km JPN4th Shizuoka to Yamanashi 14:14:28 h148
14.03 50km HKG4th TransLantau 50 Ultra Trail 9:24:54 h117
2014
13.12 100km HKG2nd The North Face 100 Hong Kong 25:30:16 h306
29.11 84km HKG2nd HK168 half - 84 km ultra-endurance race 16:36:36 h26
01.11 70km HKG2nd Lantau Trail race 70k 16:13:31 h110
26.10 50km HKG4th MSIG HK50 8:27:36 h115
20.09 78km SGP3rd Craze Ultra 78 km 10:12:18 h2 🥈
26.04 88km JPN3rd Shizuoka to Yamanashi 18:44:49 h164
15.03 50km HKG3rd TransLantau 50 Ultra Trail 8:49:49 h138
2013
07.12 50km HKG2nd MSIG Lantau 50 9:15:52 h75
27.10 50km HKG3rd MSIG HK50 8:22:10 h99
19.10 45km HKG45km Midnight Express 11:32:58 h155
04.10 50km SGPThe North Face 50 Singapore 5:33:50 h54
27.04 53mi GBR8th Highland Fling Race 53 Mile 11:04:27 h158
06.04 55mi GBR5th Glasgow-Edinburgh Ultramarathon 10:13:15 h33
09.03 50km HKG1st MSIG Sai Kung 50 9:34:16 h32