Franklin Lum

Born : 1965 Cat. M60 Ultrarunner since 1981

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

11,0%

Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 1 263; Σ finishers = 11 431. 1 263 / 11 431 × 100 = 11.05%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25

Km — ultra races1 896 km

> 100 km1

> 160 km1

Longest race160,9 km

4th Massanutten Mountain Trails 100 Mile — 9/5/1998

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 30

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

50 km4h38'45 50 mi7h06'39 100 mi26h12'02

HISTORY

25 race(s)

Date		Race	Perf.	Rk
2018
17.11	50mi	56th JFK 50 Mile	11:02:39 h	399
2014
22.11	50mi	52nd JFK 50 Mile	8:59:05 h	189
2013
16.11	50mi	4th Stone Mill 50 Mile Run	8:54:54 h	37
27.07	50km	18th Catoctin 50k Trail Run	6:03:56 h	15
15.06	40mi	11th Highlands Sky 40M Trail Run	7:35:31 h	15
2012
28.10	32.8mi	3rd Fire on the Mountain 50k Ultra Marathon	5:34:38 h	12
19.05	50km	14th Capon Valley 50K Run	4:38:45 h	8
2008
29.03	50km	20th The HAT Run 50K	4:59:02 h	37
2004
20.11	50mi	42nd JFK 50 Mile	8:04:48 h	62
2003
22.11	50mi	41st JFK 50 Mile	7:41:43 h	34
2002
23.11	50mi	40th JFK 50 Mile	7:30:30 h	23
2001
17.11	50mi	39th JFK 50 Mile	7:39:50 h	41
2000
04.11	50mi	38th JFK 50 Mile	7:37:44 h	39
1999
20.11	50mi	37th JFK 50 Mile	7:58:37 h	62
1998
21.11	50mi	36th JFK 50 Mile	7:29:53 h	31
09.05	100mi	4th Massanutten Mountain Trails 100 Mile	26:12:02 h	6
18.04	50mi	6th Bull Run Run 50 Miler	7:36:30 h	8
1997
22.11	50mi	35th JFK 50 Mile	7:22:10 h	25
1996
23.11	50mi	34th JFK 50 Mile	7:15:25 h	26
03.08	50km	2nd Catoctin 50k Trail Run	5:38:32 h	4
1995
18.11	50mi	33rd JFK 50 Mile	7:18:21 h	13
05.08	50km	1st Catoctin 50k Trail Run	5:55:00 h	6
1991
23.11	50mi	29th JFK 50 Mile	7:06:39 h	13
1985
23.11	50mi	23rd JFK 50 Mile	7:38:58 h	16
1981
21.11	50mi	19th JFK 50 Mile	10:39:31 h	167

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	9/5/1998	4th Massanutten Mountain Trails 100 Mile	160,93	×4
✓ 2	17/11/2018	56th JFK 50 Mile	80,47	×2
✓ 3	22/11/2014	52nd JFK 50 Mile	80,47	×2
✓ 4	16/11/2013	4th Stone Mill 50 Mile Run	80,47	×2
✓ 5	20/11/2004	42nd JFK 50 Mile	80,47	×2
✓ 6	22/11/2003	41st JFK 50 Mile	80,47	×2
✓ 7	23/11/2002	40th JFK 50 Mile	80,47	×2
✓ 8	17/11/2001	39th JFK 50 Mile	80,47	×2
✓ 9	4/11/2000	38th JFK 50 Mile	80,47	×2
✓ 10	20/11/1999	37th JFK 50 Mile	80,47	×2
✓ 11	21/11/1998	36th JFK 50 Mile	80,47	×2
✓ 12	18/4/1998	6th Bull Run Run 50 Miler	80,47	×2
✓ 13	22/11/1997	35th JFK 50 Mile	80,47	×2
✓ 14	23/11/1996	34th JFK 50 Mile	80,47	×2
✓ 15	18/11/1995	33rd JFK 50 Mile	80,47	×2
✓ 16	23/11/1991	29th JFK 50 Mile	80,47	×2
✓ 17	23/11/1985	23rd JFK 50 Mile	80,47	×2
✓ 18	21/11/1981	19th JFK 50 Mile	80,47	×2
✓ 19	15/6/2013	11th Highlands Sky 40M Trail Run	64,37	×1
✓ 20	28/10/2012	3rd Fire on the Mountain 50k Ultra Marathon	52,79	×1
✓ 21	27/7/2013	18th Catoctin 50k Trail Run	50,00	×1
✓ 22	19/5/2012	14th Capon Valley 50K Run	50,00	×1
✓ 23	29/3/2008	20th The HAT Run 50K	50,00	×1
✓ 24	3/8/1996	2nd Catoctin 50k Trail Run	50,00	×1
✓ 25	5/8/1995	1st Catoctin 50k Trail Run	50,00	×1