I-Ming (曹以明) Chao

Born : 1959 Cat. M65 Ultrarunner since 2016

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 ?

Taiwan

44,9%

Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 5 150; Σ finishers = 11 464. 5 150 / 11 464 × 100 = 44.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed57

Km — ultra races4 667 km

> 100 km1

Longest race102,0 km

1st Kinyawpan Ultra Marathon - 102km — 31/3/2019

Km per year (ultra races)

500

2022

816

2023

754

2024

345

2025

300

2026

Race types (share of distance)

Road100,0%

Records

50 km6h19'27 100 km11h54'29 50 mi11h11'05 6 h53,76 km 12 h70,83 km

HISTORY

57 race(s)

Date		Race	Perf.	Rk
2026
11.04	100km	2nd Xuhai Ultra Marathon	15:01:29 h	96
14.03	100km	15th Southern Cross-Island Highway 100 km Ultra Marathon	14:59:49 h	246
07.02	100km	15th Taipei 100km Ultra Marathon	13:45:15 h	35
2025
22.11	100km	14h Yilan Dongshan River 100km Ultra-Marathon	14:44:20 h	70
30.08	45km	1st Taiwan Town and Country - Zhongliao	6:18:23 h	60
08.03	100km	14th Southern Cross-Island Highway 100 km Ultra Marathon	13:55:16 h	178
23.02	100km	8th Fencihu 100 km Ultra Run	13:38:31 h	91
2024
22.12	100km	7th Shancheng 100 km Ultramarathon	12:58:39 h	142
23.11	100km	13h Yilan Dongshan River 100km Ultra-Marathon	13:36:58 h	60
21.09	100km	1st Yizai Jincheng 100km	14:24:26 h	89
28.04	12h	9th National Taipei University 12H Ultra Marathon	53.766 km	89
20.04	100km	1st Xuhai Ultra Marathon	15:24:56 h	189
09.03	100km	13th Southern Cross-Island Highway 100 km Ultra Marathon	14:02:48 h	132
03.03	100km	7th Fencihu 100 km Ultra Run	14:12:19 h	135
24.02	100km	13th Taipei 100km Ultra Marathon	12:36:01 h	29
2023
24.12	100km	6th Shancheng 100 km Ultramarathon	13:10:39 h	175
21.10	100km	12h Yilan Dongshan River 100km Ultra-Marathon	14:17:49 h	62
17.09	100km	1st Huashan 100 KM	14:42:07 h	150
27.05	45.6km	1st Taiwan Town and Country - Waipu	5:44:15 h	43
22.04	12h	8th Yizai Jincheng 12h Ultramarathon	70.830 km	36
11.03	100km	12th Southern Cross-Island Highway 100 km Ultra Marathon	13:18:11 h	115
26.02	100km	6th Fencihu 100 km Ultra Run	13:57:55 h	155
11.02	100km	12th Taipei 100km Ultra Marathon	12:52:03 h	30
08.01	100km	9th Zhenxibao (Cinsbu) 100 km Ultramarathon	14:09:12 h	334
2022
25.12	100km	5th Shancheng 100 km Ultramarathon	12:42:50 h	173
19.11	100km	11th Yilan Dongshan River 100km Ultra-Marathon	14:34:51 h	48
18.09	100km	4th Shudder Sheipa Ultramarathon - 100km	14:23:49 h	83
12.03	100km	11th Southern Cross-Island Highway 100 km Ultra Marathon	11:54:29 h	53
13.02	100km	5th Fencihu 100 km Ultra Run	12:11:42 h	23
2021
25.12	55km	5th Bei-yi Freeway Ultra Marathon	6:21:48 h	49
13.03	100km	10th Southern Cross-Island Highway 100 km Ultra Marathon	11:54:50 h	104
28.02	100km	4th Fencihu 100 km Ultra Run	13:29:56 h	115
2020
13.12	100km	4th Shancheng 100 km Ultramarathon	12:40:27 h	83
20.09	100km	3rd Shudder Sheipa Ultramarathon - 100km	14:09:37 h	74
09.02	100km	3rd Fencihu 100 km Ultra Run	12:21:45 h	41
19.01	100km	8th Zhenxibao (Cinsbu) 100 km Ultramarathon	13:44:15 h	240
2019
21.12	55km	3rd Bei-yi Freeway Ultra Marathon	6:20:55 h	87
08.12	100km	3rd Shancheng 100 km Ultramarathon	12:38:35 h	150
11.10	53km	5th Jhen-wu-shan UltraMaraton	7:01:10 h	85
21.09	6h	4th Doubang 6h Ultramarathon	53.760 km	37
11.08	50.6km	1st Sanwan Pear Ultra Run	6:19:27 h	4
28.07	53km	1st Deep Feelings Ultra Run	6:26:08 h	17
14.07	45.8km	4th Lovers' Gorge Ultra Run	5:30:31 h	81
23.06	50km	1st North Dawu Mountain Ultra Marathon	6:49:18 h	116
09.06	100km	2nd Shudder Sheipa Ultramarathon - 100km	14:21:06 h	36
27.04	6h	6th Yizai Jincheng 6h Ultramarathon	50.368 km	21
31.03	102km	1st Kinyawpan Ultra Marathon - 102km	13:34:52 h	46
17.03	100km	2nd Fencihu 100 km Ultra Run	13:25:59 h	47
20.01	80km	7th Zhenxibao (Cinsbu) 80 km Ultramarathon	11:11:05 h	59
2018
30.12	47km	1st Paolai Shancheng Ultramarathon	5:09:39 h	83
09.12	66km	2nd Shancheng 66 km Ultramarathon	8:18:09 h	14
11.11	45km	4th Meinong Ultramarathon	5:29:45 h	40
22.09	6h	3rd Doubang 6h Ultramarathon	51.200 km	47
30.06	56km	2nd Dongfong Ultra Marathon - 56 km	6:50:48 h	53
2017
11.11	46km	3rd Meinong Ultramarathon	5:36:09 h	53
2016
23.07	46.5km	1st Tianxishui Ultra Run	5:46:22 h	72
22.05	45.3km	1st Kaohaiung Love Public Ultramarathon	6:12:22 h	232

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	31/3/2019	1st Kinyawpan Ultra Marathon - 102km	102,00	×2
✓ 2	11/4/2026	2nd Xuhai Ultra Marathon	100,00	×2
✓ 3	14/3/2026	15th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×2
✓ 4	7/2/2026	15th Taipei 100km Ultra Marathon	100,00	×2
✓ 5	22/11/2025	14h Yilan Dongshan River 100km Ultra-Marathon	100,00	×2
✓ 6	8/3/2025	14th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×2
✓ 7	23/2/2025	8th Fencihu 100 km Ultra Run	100,00	×2
✓ 8	22/12/2024	7th Shancheng 100 km Ultramarathon	100,00	×2
✓ 9	23/11/2024	13h Yilan Dongshan River 100km Ultra-Marathon	100,00	×2
✓ 10	21/9/2024	1st Yizai Jincheng 100km	100,00	×2
✓ 11	20/4/2024	1st Xuhai Ultra Marathon	100,00	×2
✓ 12	9/3/2024	13th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×2
✓ 13	3/3/2024	7th Fencihu 100 km Ultra Run	100,00	×2
✓ 14	24/2/2024	13th Taipei 100km Ultra Marathon	100,00	×2
✓ 15	24/12/2023	6th Shancheng 100 km Ultramarathon	100,00	×2
✓ 16	21/10/2023	12h Yilan Dongshan River 100km Ultra-Marathon	100,00	×2
✓ 17	17/9/2023	1st Huashan 100 KM	100,00	×2
✓ 18	11/3/2023	12th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×2
✓ 19	26/2/2023	6th Fencihu 100 km Ultra Run	100,00	×2
✓ 20	11/2/2023	12th Taipei 100km Ultra Marathon	100,00	×2
✓ 21	8/1/2023	9th Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×2
✓ 22	25/12/2022	5th Shancheng 100 km Ultramarathon	100,00	×2
✓ 23	19/11/2022	11th Yilan Dongshan River 100km Ultra-Marathon	100,00	×2
✓ 24	18/9/2022	4th Shudder Sheipa Ultramarathon - 100km	100,00	×2
✓ 25	12/3/2022	11th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×2
✓ 26	13/2/2022	5th Fencihu 100 km Ultra Run	100,00	×2
✓ 27	13/3/2021	10th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×2
✓ 28	28/2/2021	4th Fencihu 100 km Ultra Run	100,00	×2
✓ 29	13/12/2020	4th Shancheng 100 km Ultramarathon	100,00	×2
✓ 30	20/9/2020	3rd Shudder Sheipa Ultramarathon - 100km	100,00	×2
✓ 31	9/2/2020	3rd Fencihu 100 km Ultra Run	100,00	×2
✓ 32	19/1/2020	8th Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×2
✓ 33	8/12/2019	3rd Shancheng 100 km Ultramarathon	100,00	×2
✓ 34	9/6/2019	2nd Shudder Sheipa Ultramarathon - 100km	100,00	×2
✓ 35	17/3/2019	2nd Fencihu 100 km Ultra Run	100,00	×2
✓ 36	20/1/2019	7th Zhenxibao (Cinsbu) 80 km Ultramarathon	80,00	×1
✓ 37	22/4/2023	8th Yizai Jincheng 12h Ultramarathon	70,83	×1
✓ 38	9/12/2018	2nd Shancheng 66 km Ultramarathon	66,00	×1
✓ 39	30/6/2018	2nd Dongfong Ultra Marathon - 56 km	56,00	×1
✓ 40	25/12/2021	5th Bei-yi Freeway Ultra Marathon	55,00	×1
✓ 41	21/12/2019	3rd Bei-yi Freeway Ultra Marathon	55,00	×1
✓ 42	28/4/2024	9th National Taipei University 12H Ultra Marathon	53,77	×1
✓ 43	21/9/2019	4th Doubang 6h Ultramarathon	53,76	×1
✓ 44	11/10/2019	5th Jhen-wu-shan UltraMaraton	53,00	×1
✓ 45	28/7/2019	1st Deep Feelings Ultra Run	53,00	×1
✓ 46	22/9/2018	3rd Doubang 6h Ultramarathon	51,20	×1
✓ 47	11/8/2019	1st Sanwan Pear Ultra Run	50,60	×1
✓ 48	27/4/2019	6th Yizai Jincheng 6h Ultramarathon	50,37	×1
✓ 49	23/6/2019	1st North Dawu Mountain Ultra Marathon	50,00	×1
50	30/12/2018	1st Paolai Shancheng Ultramarathon	47,00	—
51	23/7/2016	1st Tianxishui Ultra Run	46,50	—
52	11/11/2017	3rd Meinong Ultramarathon	46,00	—
53	14/7/2019	4th Lovers' Gorge Ultra Run	45,80	—
54	27/5/2023	1st Taiwan Town and Country - Waipu	45,60	—
55	22/5/2016	1st Kaohaiung Love Public Ultramarathon	45,30	—
56	30/8/2025	1st Taiwan Town and Country - Zhongliao	45,00	—
57	11/11/2018	4th Meinong Ultramarathon	45,00	—