Marco Cheung

Born : 1979 Cat. M45 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 ?

United States

59,7%

Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 939; Σ finishers = 1 573. 939 / 1 573 × 100 = 59.69%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed16

Km — ultra races1 468 km

> 100 km4

> 160 km4

> 24h3

> 48h3

Longest race173,8 km

6th 3 Days at the Fair 72 Hour Race — 15/5/2014

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road41,8%

Trail58,2%

Records

50 km4h27'23 50 mi11h56'00 100 mi27h22'35 6 h52,17 km 48 h99,78 km

HISTORY

16 race(s) · 3 split(s) nested

Date		Race	Perf.	Rk
2015
15.05	48h	7th 3 Days at the Fair 48 Hour Race	57.936 km	39
15.05	24h	7th 3 Days at the Fair 48 Hour Race - 24h Split	57.936 km	37
2014
15.05	72h	6th 3 Days at the Fair 72 Hour Race	173.809 km	48
15.05	48h	6th 3 Days at the Fair 72 Hour Race - 48h Split	146.450 km	42
22.03	50mi	5th New Jersey Ultra Festival 50 Mile Race	16:03:26 h	30
2013
17.05	48h	4th 3 Days at the Fair 48 Hour Race	99.779 km	33
04.05	50mi	6th Endurance Challenge - New York Trail 50 Miles	13:20:38 h	230
2012
17.11	60km	32nd NYRR Knickerbocker 60K	7:13:33 h	227
18.08	100mi	3rd Beast of Burden Summer 100 Miler	27:29:51 h	44
21.01	100mi	3rd Beast of Burden Winter 100 Miler	28:31:07 h	26
2011
20.08	100mi	2nd Beast of Burden Summer 100 Miler	27:22:35 h	18
22.05	50km	1st Dirty German Endurance Fest 50 km	4:52:25 h	17
2010
20.11	60km	30th NYRR Knickerbocker 60K	6:00:35 h	75
14.11	6h	2nd Rhode Island 6 Hour Ultra	52.165 km	27
14.11	50km	2nd Rhode Island 6 Hour Ultra - 50km Split	5:05:00 h	25
08.05	50mi	3rd Endurance Challenge - New York Trail 50 Miles	12:03:48 h	72
28.03	50km	16th Queens 50 km Run	4:27:23 h	5
2009
21.11	60km	29th NYRR Knickerbocker 60K	5:35:27 h	51
19.09	50mi	2nd Virgil Crest 50 Mile Ultra	11:56:00 h	13

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	15/5/2014	6th 3 Days at the Fair 72 Hour Race	173,81	×5
✓ 2	18/8/2012	3rd Beast of Burden Summer 100 Miler	160,93	×4
✓ 3	21/1/2012	3rd Beast of Burden Winter 100 Miler	160,93	×4
✓ 4	20/8/2011	2nd Beast of Burden Summer 100 Miler	160,93	×4
✓ 5	17/5/2013	4th 3 Days at the Fair 48 Hour Race	99,78	×2
✓ 6	22/3/2014	5th New Jersey Ultra Festival 50 Mile Race	80,47	×2
✓ 7	4/5/2013	6th Endurance Challenge - New York Trail 50 Miles	80,47	×2
✓ 8	8/5/2010	3rd Endurance Challenge - New York Trail 50 Miles	80,47	×2
✓ 9	19/9/2009	2nd Virgil Crest 50 Mile Ultra	80,47	×2
✓ 10	17/11/2012	32nd NYRR Knickerbocker 60K	60,00	×1
✓ 11	20/11/2010	30th NYRR Knickerbocker 60K	60,00	×1
✓ 12	21/11/2009	29th NYRR Knickerbocker 60K	60,00	×1
✓ 13	15/5/2015	7th 3 Days at the Fair 48 Hour Race	57,94	×1
✓ 14	14/11/2010	2nd Rhode Island 6 Hour Ultra	52,17	×1
✓ 15	22/5/2011	1st Dirty German Endurance Fest 50 km	50,00	×1
✓ 16	28/3/2010	16th Queens 50 km Run	50,00	×1