Megan Cheng

Born : 1980 Cat. W45 Ultrarunner since 2014

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 ?

United States

42,7%

Rank quotient ?This runner's calculation uses 66 eligible race(s): Σ(rank − 1) = 5 163; Σ finishers = 12 097. 5 163 / 12 097 × 100 = 42.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed66

Km — ultra races5 639 km

> 100 km15

> 160 km10

> 24h5

> 48h1

Longest race161,9 km

35th Across the Years, 48h — 28/12/2019

Km per year (ultra races)

245

2022

261

2023

150

2024

2025

2026

Race types (share of distance)

Road22,0%

Trail78,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F2

🏅 Top 30

🏅 Top 3 F12

Longest winning streak0

Current streak0

Records

50 km4h23'55 100 km13h12'00 50 mi8h20'35 100 mi22h31'10 6 h58,26 km 12 h67,80 km 24 h145,48 km 48 h161,88 km

HISTORY

66 race(s)

Date		Race	Perf.	Rk
2025
11.10	50mi	39th Ruth Anderson Ultra 50mi	8:20:35 h	5
2024
26.10	100km	22nd Javelina Jundred 100 km Endurance Run	16:40:47 h	113
04.08	50km	43rd Skyline 50k Endurance Run	6:49:43 h	78
2023
25.11	28mi	38th Quad Dipsea Trail Run	7:16:53 h	234
28.10	98.3km	21st Javelina Jundred 100 km Endurance Run	16:34:05 h	145
14.10	50km	37th Ruth Anderson Ultra 50km	5:24:36 h	32
17.06	12h	2nd SF Half Day 12h	67.797 km	24
2022
04.12	50km	14th Hunter S. Thompson Fear & Loathing 50 km	7:58:00 h	35
26.11	28mi	37th Quad Dipsea Trail Run	7:30:13 h	211
14.05	100km	39th Quicksilver 100 km Endurance Run	14:53:42 h	65
05.02	50km	44th Jed Smith Ultra Classic - 50 km Race	5:08:29 h	12
2021
31.12	24h	11th New Years One Day 24 Hour Run	145.484 km	5
27.11	28mi	36th Quad Dipsea Trail Run	6:44:20 h	118
30.10	159.2km	19th Javelina Jundred 100 Mile Endurance Run	24:51:29 h	116
09.10	50km	35th Ruth Anderson Ultra 50km	4:51:40 h	9
25.09	50mi	39th Dick Collins Firetrails 50 Mile	10:42:53 h	14
26.06	100mi	48th Western States 100 Mile Endurance Run	27:54:41 h	105
27.02	50km	43rd Jed Smith Ultra Classic - 50 km Race	4:49:41 h	12
2020
01.02	100mi	28th Rocky Raccoon 100 Mile Trail Run	27:23:42 h	158
2019
28.12	48h	35th Across the Years, 48h	161.876 km	39
11.05	100km	36th Quicksilver 100 km Endurance Run	15:07:35 h	85
16.02	100km	6th Black Canyon Trail 100 km Run	13:38:02 h	259
05.01	24h	9th New Years One Day 24 Hour Run	47.958 km	41
2018
27.10	100mi	16th Javelina Jundred 100 Mile Endurance Run	25:52:59 h	183
15.09	110km	4th Folsom Lake Ultra Trail	14:39:33 h	12
25.08	31.5mi	19th Tamalpa Headlands 50K	6:39:24 h	59
05.08	50km	37th Skyline 50k Endurance Run	5:42:18 h	51
21.07	50mi	17th Tahoe Rim Trail 50M Endurance Run	12:59:06 h	68
01.06	24h	5th San Francisco Summer Solstice 24h	116.596 km	24
12.05	100km	35th Quicksilver 100 km Endurance Run	14:08:00 h	59
14.04	50mi	10th Lake Sonoma 50 Mile Race	11:55:11 h	192
17.02	50km	6th FOURmidable 50K	6:14:17 h	50
2017
25.11	28mi	33rd Quad Dipsea Trail Run	7:49:15 h	229
28.10	100mi	15th Javelina Jundred 100 Mile Endurance Run	24:50:16 h	130
07.10	100km	35th Dick Collins Firetrails 100 km	13:33:50 h	15
26.08	31.5mi	18th Tamalpa Headlands 50K	6:50:35 h	55
06.08	50km	36th Skyline 50k Endurance Run	5:52:19 h	58
15.07	100mi	16th Tahoe Rim Trail 100M Endurance Run	30:50:29 h	89
06.05	100km	22nd Miwok 100k Trail Race	13:41:08 h	153
01.04	50mi	38th American River 50 Mile Endurance Run	9:24:13 h	64
04.03	50km	28th Way Too Cool 50K Endurance Run	6:06:11 h	312
25.02	24h	2nd Riverbank One Day - 24hrs run	106.400 km	23
04.02	50km	39th Jed Smith Ultra Classic - 50 km Race	4:41:56 h	18
2016
31.12	6h	7th New Years One Day 6 Hour Run	58.258 km	10
03.12	50mi	10th Endurance Challenge - California Trail 50 Mile	10:38:30 h	270
29.10	100mi	14th Javelina Jundred 100 Mile Endurance Run	24:52:14 h	103
08.10	50mi	34th Dick Collins Firetrails 50 Mile	10:37:06 h	45
10.09	100mi	10th Headlands Hundred 100 Mile Endurance Run	25:54:18 h	13
07.08	50km	35th Skyline 50k Endurance Run	5:39:25 h	48
22.05	50km	29th Ohlone 50K Wilderness Run	7:17:37 h	59
14.05	100km	33rd Quicksilver 100 km Endurance Run	13:44:34 h	58
02.04	50mi	37th American River 50 Mile Endurance Run	9:01:26 h	67
06.02	50km	38th Jed Smith Ultra Classic - 50 km Race	4:23:55 h	20
2015
31.12	12h	6th New Years One Day 12 Hour Run	56.560 km	37
28.11	28mi	31st Quad Dipsea Trail Run	6:42:47 h	155
31.10	100mi	13th Javelina Jundred 100 Mile Endurance Run	22:31:10 h	62
10.10	50mi	33rd Dick Collins Firetrails 50 Mile	9:45:28 h	44
22.08	50mi	2nd Pioneer Spirit 50M	10:36:57 h	7
08.08	50km	34th Skyline 50k Endurance Run	5:27:28 h	44
18.07	50mi	14th Tahoe Rim Trail 50M Endurance Run	11:27:30 h	32
02.05	100km	20th Miwok 100k Trail Race	13:12:00 h	124
18.04	50km	29th Ruth Anderson Ultra 50km	4:53:27 h	12
2014
01.11	100mi	12th Javelina Jundred 100 Mile Endurance Run	26:28:44 h	147
27.09	50km	13th Stevens Creek Striders 50K	6:23:47 h	17
17.08	50km	1st Marlette Lake Tahoe 50K	6:57:57 h	27
03.08	50km	33rd Skyline 50k Endurance Run	5:40:42 h	69

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	28/12/2019	35th Across the Years, 48h	161,88	×3
✓ 2	26/6/2021	48th Western States 100 Mile Endurance Run	160,93	×3
✓ 3	1/2/2020	28th Rocky Raccoon 100 Mile Trail Run	160,93	×3
✓ 4	27/10/2018	16th Javelina Jundred 100 Mile Endurance Run	160,93	×3
✓ 5	28/10/2017	15th Javelina Jundred 100 Mile Endurance Run	160,93	×3
✓ 6	15/7/2017	16th Tahoe Rim Trail 100M Endurance Run	160,93	×3
✓ 7	29/10/2016	14th Javelina Jundred 100 Mile Endurance Run	160,93	×3
✓ 8	10/9/2016	10th Headlands Hundred 100 Mile Endurance Run	160,93	×3
✓ 9	31/10/2015	13th Javelina Jundred 100 Mile Endurance Run	160,93	×3
✓ 10	1/11/2014	12th Javelina Jundred 100 Mile Endurance Run	160,93	×3
✓ 11	30/10/2021	19th Javelina Jundred 100 Mile Endurance Run	159,20	×3
✓ 12	31/12/2021	11th New Years One Day 24 Hour Run	145,48	×2
✓ 13	1/6/2018	5th San Francisco Summer Solstice 24h	116,60	×2
✓ 14	15/9/2018	4th Folsom Lake Ultra Trail	110,00	×2
✓ 15	25/2/2017	2nd Riverbank One Day - 24hrs run	106,40	×2
✓ 16	26/10/2024	22nd Javelina Jundred 100 km Endurance Run	100,00	×1
✓ 17	14/5/2022	39th Quicksilver 100 km Endurance Run	100,00	×1
✓ 18	11/5/2019	36th Quicksilver 100 km Endurance Run	100,00	×1
✓ 19	16/2/2019	6th Black Canyon Trail 100 km Run	100,00	×1
✓ 20	12/5/2018	35th Quicksilver 100 km Endurance Run	100,00	×1
✓ 21	7/10/2017	35th Dick Collins Firetrails 100 km	100,00	×1
✓ 22	6/5/2017	22nd Miwok 100k Trail Race	100,00	×1
✓ 23	14/5/2016	33rd Quicksilver 100 km Endurance Run	100,00	×1
✓ 24	2/5/2015	20th Miwok 100k Trail Race	100,00	×1
✓ 25	28/10/2023	21st Javelina Jundred 100 km Endurance Run	98,30	×1
✓ 26	11/10/2025	39th Ruth Anderson Ultra 50mi	80,47	×1
✓ 27	25/9/2021	39th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 28	21/7/2018	17th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 29	14/4/2018	10th Lake Sonoma 50 Mile Race	80,47	×1
✓ 30	1/4/2017	38th American River 50 Mile Endurance Run	80,47	×1
✓ 31	3/12/2016	10th Endurance Challenge - California Trail 50 Mile	80,47	×1
✓ 32	8/10/2016	34th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 33	2/4/2016	37th American River 50 Mile Endurance Run	80,47	×1
✓ 34	10/10/2015	33rd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 35	22/8/2015	2nd Pioneer Spirit 50M	80,47	×1
✓ 36	18/7/2015	14th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 37	17/6/2023	2nd SF Half Day 12h	67,80	×1
✓ 38	31/12/2016	7th New Years One Day 6 Hour Run	58,26	×1
✓ 39	31/12/2015	6th New Years One Day 12 Hour Run	56,56	×1
✓ 40	25/8/2018	19th Tamalpa Headlands 50K	50,69	—
✓ 41	26/8/2017	18th Tamalpa Headlands 50K	50,69	—
✓ 42	4/8/2024	43rd Skyline 50k Endurance Run	50,00	—
✓ 43	14/10/2023	37th Ruth Anderson Ultra 50km	50,00	—
✓ 44	4/12/2022	14th Hunter S. Thompson Fear & Loathing 50 km	50,00	—
✓ 45	5/2/2022	44th Jed Smith Ultra Classic - 50 km Race	50,00	—
✓ 46	9/10/2021	35th Ruth Anderson Ultra 50km	50,00	—
✓ 47	27/2/2021	43rd Jed Smith Ultra Classic - 50 km Race	50,00	—
✓ 48	5/8/2018	37th Skyline 50k Endurance Run	50,00	—
✓ 49	17/2/2018	6th FOURmidable 50K	50,00	—
✓ 50	6/8/2017	36th Skyline 50k Endurance Run	50,00	—
51	4/3/2017	28th Way Too Cool 50K Endurance Run	50,00	—
52	4/2/2017	39th Jed Smith Ultra Classic - 50 km Race	50,00	—
53	7/8/2016	35th Skyline 50k Endurance Run	50,00	—
54	22/5/2016	29th Ohlone 50K Wilderness Run	50,00	—
55	6/2/2016	38th Jed Smith Ultra Classic - 50 km Race	50,00	—
56	8/8/2015	34th Skyline 50k Endurance Run	50,00	—
57	18/4/2015	29th Ruth Anderson Ultra 50km	50,00	—
58	27/9/2014	13th Stevens Creek Striders 50K	50,00	—
59	17/8/2014	1st Marlette Lake Tahoe 50K	50,00	—
60	3/8/2014	33rd Skyline 50k Endurance Run	50,00	—
61	5/1/2019	9th New Years One Day 24 Hour Run	47,96	—
62	25/11/2023	38th Quad Dipsea Trail Run	45,06	—
63	26/11/2022	37th Quad Dipsea Trail Run	45,06	—
64	27/11/2021	36th Quad Dipsea Trail Run	45,06	—
65	25/11/2017	33rd Quad Dipsea Trail Run	45,06	—
66	28/11/2015	31st Quad Dipsea Trail Run	45,06	—