Yong-Heng (許榮興) Koh

Born : 1953 Cat. M70 Ultrarunner since 2009

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

Malaysia

Singapore

Taiwan

35,8%

Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 532; Σ finishers = 1 487. 532 / 1 487 × 100 = 35.78%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed15

Km — ultra races1 577 km

> 100 km5

> 160 km1

> 24h5

Longest race160,9 km

13th Soochow/Taipei 24h Ultramarathon — 7/12/2013

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road82,0%

Trail18,0%

Records

100 km16h29'08 12 h85,28 km 24 h160,87 km

HISTORY

15 race(s) · 10 split(s) nested

Date		Race	Perf.	Rk
2018
29.09	12h	2nd ZL Cup 12-Hour Ultra Marathon Challenge	80.996 km	9
01.09	100km	3rd Fraser Ultra 100 km	16:29:08 h	32
30.06	12h	1st Educity Endurance Road Challenge	85.000 km	15
2017
02.12	24h	17th Soochow/Taipei 24h Ultramarathon	156.012 km	33
02.12	6h	17th Soochow/Taipei 24h Ultramarathon - 6h Split	53.223 km	39
02.12	12h	17th Soochow/Taipei 24h Ultramarathon - 12h Split	93.444 km	38
05.08	12h	1st ZL Cup 12-Hour Ultra Marathon Challenge	85.278 km	7
2016
03.12	24h	16th Soochow/Taipei 24h Ultramarathon	153.782 km	31
03.12	6h	16th Soochow/Taipei 24h Ultramarathon - 6h Split	56.067 km	31
03.12	12h	16th Soochow/Taipei 24h Ultramarathon - 12h Split	94.257 km	36
08.10	100km	1st Cameron 100 km Ultra Trail	30:01:06 h	122
2015
21.11	24h	15th Soochow/Taipei 24h Ultramarathon	152.647 km	30
21.11	6h	15th Soochow/Taipei 24h Ultramarathon - 6h Split	56.879 km	31
21.11	12h	15th Soochow/Taipei 24h Ultramarathon - 12h Split	98.726 km	31
2014
06.12	24h	14th Soochow/Taipei 24h Ultramarathon	143.577 km	34
06.12	6h	14th Soochow/Taipei 24h Ultramarathon - 6h Split	54.848 km	37
06.12	12h	14th Soochow/Taipei 24h Ultramarathon - 12h Split	93.038 km	38
2013
07.12	24h	13th Soochow/Taipei 24h Ultramarathon	160.865 km	35
07.12	100km	Soochow/Taipei 24h Ultramarathon - 100km split	11:34:39 h	36
07.12	12h	13th Soochow/Taipei 24h Ultramarathon - 12h Split	101.600 km	36
2012
11.03	16h	Twilight Ultra Challenge	100.000 km	11
2011
18.12	12h	3rd MR25 Cross Country Ultra Marathon	51.000 km	107
26.03	16h	Twilight Ultra Challenge	75.000 km	35
2010
26.12	12h	2nd MR25 Cross Country Ultra Marathon	71.400 km	23
2009
27.12	12h	1st MR25 Cross Country Ultra Marathon	61.200 km	23

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	7/12/2013	13th Soochow/Taipei 24h Ultramarathon	160,87	×4
✓ 2	2/12/2017	17th Soochow/Taipei 24h Ultramarathon	156,01	×4
✓ 3	3/12/2016	16th Soochow/Taipei 24h Ultramarathon	153,78	×4
✓ 4	21/11/2015	15th Soochow/Taipei 24h Ultramarathon	152,65	×4
✓ 5	6/12/2014	14th Soochow/Taipei 24h Ultramarathon	143,58	×3
✓ 6	1/9/2018	3rd Fraser Ultra 100 km	100,00	×2
✓ 7	8/10/2016	1st Cameron 100 km Ultra Trail	100,00	×2
✓ 8	11/3/2012	Twilight Ultra Challenge	100,00	×2
✓ 9	5/8/2017	1st ZL Cup 12-Hour Ultra Marathon Challenge	85,28	×2
✓ 10	30/6/2018	1st Educity Endurance Road Challenge	85,00	×2
✓ 11	29/9/2018	2nd ZL Cup 12-Hour Ultra Marathon Challenge	81,00	×2
✓ 12	26/3/2011	Twilight Ultra Challenge	75,00	×2
✓ 13	26/12/2010	2nd MR25 Cross Country Ultra Marathon	71,40	×1
✓ 14	27/12/2009	1st MR25 Cross Country Ultra Marathon	61,20	×1
✓ 15	18/12/2011	3rd MR25 Cross Country Ultra Marathon	51,00	×1