Robert Butcher
Born : 1960 Cat. M65 Ultrarunner since 2014 GBR
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
4
Countries visited ?HKGHong KongPHIPhilippinesTHAThailandVIEVietnam
14,9%
Rank quotient ?This runner's calculation uses 52 eligible race(s): Σ(rank − 1) = 1 555; Σ finishers = 10 448. 1 555 / 10 448 × 100 = 14.88%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed52
Km — ultra races4 406 km
> 100 km7
> 160 km5
> 200 km2
Longest race230,0 km

Km per year (ultra races)

334
5 races
2022
480
6 races
2023
215
4 races
2024
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 34
🏅 Top 3 M4
Longest winning streak0
Current streak0

HISTORY

52 race(s)
DateRacePerf.Rk
2024
29.09 50km THA4th Legendary Trail Series KMK50 7:36:03 h21
14.07 50km THA1st Trail Masters Series - Barcelona Valley 9:28:14 h19
22.06 65km THA4th Doi Chang Mountain Run 12:32:35 h3 🥉
20.01 50km THA10th The North Face 100 Thailand - 50 km 8:43:25 h123
2023
11.11 100km THA9th Pong Yaeng 100 km Trail (PTY100) 22:27:23 h14
13.10 64.2km THA5th The Westwind Trail - The Beginning 65K 13:18:50 h15
01.10 50km THA3rd Legendary Trail Series KMK50 8:36:07 h56
16.07 50km THA18th The Columbia Trail Masters - The Last Episode 7:59:40 h50
17.02 165.7km THA2nd Amazean Jungle Thailand by UTMB - 100mi 42:26:44 h28
08.01 50km THA2nd Columbia Trail Masters x Wisdom Valley 7:04:51 h33
2022
06.08 80.7km THA6th CM6 Run - CM4 81 km 17:11:45 h19
25.06 53km THA1st Trail of Man 11:12:56 h6
18.06 50km THA4th Navy Frog Trail Challenges 11:08:32 h36
15.01 100km THA7th Pong Yaeng 100 km Trail (PTY100) 18:29:24 h6
09.01 50km THA1st Columbia Trail Masters x Wisdom Valley 6:56:19 h37
2020
07.11 74.7km THA6th Pong Yaeng 70 km Trail (PTY70) 15:10:59 h66
23.10 230km THA4th Ultra-Trail Chiang Rai 230 km 45:25:39 h2 🥈
13.09 50km THA1st Pribpree Eco Trail 10:07:28 h45
08.08 60km THA4th CM6 Run - CM3 60 km 15:20:00 h283
01.02 100km THA9th The North Face 100 Thailand - 100 km 13:58:14 h15
11.01 70km VIE2nd Vietnam Trail Marathon 10:48:56 h10
2019
18.10 230km THA3rd Ultra-Trail Chiang Rai 230 km 41:51:21 h6
29.09 50km THA1st Big Blue Khao Yai Da Trail 8:49:01 h20
20.09 100km VIE7. Vietnam Mountain Marathon 100km 19:39:50 h16
30.08 104km THA1st Ultra-Trail Chiangmai 105 km 16:08:50 h15
13.04 100km PHI5th Mt. APO Sky & Vertical 100 km Race 25:32:25 h25
01.03 100km HKG8th TransLantau 100 Ultra Trail 19:48:38 h68
19.01 70km VIE1st Vietnam Trail Marathon 11:11:20 h16
2018
09.11 164km THA4th Pong Yaeng 166 km Trail 31:20:26 h7
21.09 100km VIE6. Vietnam Mountain Marathon 100km 19:12:14 h16
01.07 55km THA2nd Luang Phayao Mountain Run 11:46:15 h9
02.03 100km HKG7th TransLantau 100 Ultra Trail 19:18:47 h31
16.02 100km THA4th Ultra Trail Unseen Koh Chang (UTKC) - The Jungle 100 km 22:26:24 h10
03.02 100km THA7th The North Face 100 Thailand - 100 km 12:46:30 h12
13.01 57km HKG1st TransNT 57 km Run 9:01:39 h58
2017
08.12 100mi THA2nd Panoramic Ultra Trail - 100 Miles 29:41:58 h7
04.11 100km THA3rd Pong Yaeng 100 km Trail 15:09:19 h5
21.10 122km THA1st Ultra-Trail Chiang Rai 122 km 22:01:34 h2 🥈
23.09 100km VIE5. Vietnam Mountain Marathon 100km 20:30:41 h24
10.03 100km HKG6th TransLantau 100 Ultra Trail 20:33:15 h85
26.02 50km THA12th The Columbia Trail Masters 5:57:09 h16
12.02 65km THA1st Doi Chang Mountain Run 9:41:46 h2 🥈
04.02 100km THA6th The North Face 100 Thailand - 100 km 12:46:44 h14
22.01 50km THA1st The KMK Trail Challenge 6:13:51 h11
2016
19.10 50km THA2nd TU50 Thailand Ultramarathon 7:59:58 h7
02.04 45km THA2nd Phutabberg on The Rock Trail 5:50:43 h9
11.03 100km HKG5th TransLantau 100 Ultra Trail 18:57:08 h93
30.01 100km THA5th The North Face 100 Thailand - 100 km 13:26:17 h10
2015
26.09 70km VIE3. Vietnam Mountain Marathon 11:14:38 h21
02.08 50km THA9th The Columbia Trail Masters 5:19:43 h6
31.01 50km THA4th The North Face 100 Thailand - 50 km 7:16:30 h94
2014
25.10 50km THA1st TU50 Thailand Ultramarathon 7:17:12 h5