Franklin Chung
ID 413119
Born : 1984 Cat. M40 Ultrarunner since 2013 USA
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
4
Countries visited ?CANCanadaFRAFranceHKGHong KongUSAUnited States
62,4%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 2 798; Σ finishers = 4 485. 2 798 / 4 485 × 100 = 62.39%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19
Km — ultra races1 877 km
> 100 km6
> 160 km6
Longest race171,0 km
16ème Ultra Trail Tour du Mont Blanc (UTMB) — 31/8/2018

Km per year (ultra races)

241
2 races
2022
233
2 races
2023
2024
291
3 races
2025
241
2 races
2026

Race types (share of distance)

Trail100,0%

Records

50 km5h58'0050 mi9h30'09100 mi23h24'45

HISTORY

19 race(s)
DateRacePerf.Rk
2026
17.07 100mi USA37th Vermont 100 Mile Endurance Race 23:24:45 h86
09.05 50mi USA16th Dirty German Endurance Fest 50 Mile 9:30:09 h40
2025
19.09 100mi USA17th Grindstone 100 Mile 33:37:14 h65
10.05 50mi USA15th Dirty German Endurance Fest 50 Mile 9:37:56 h24
19.04 50km USA16th Traprock 50k Ultramarathon 8:06:11 h32
2023
26.08 100mi USA3rd Oregon Cascades 100 Mile Race 26:38:52 h58
22.07 45mi USA7th Many On The Genny 45 Mile Trail Ultra 10:18:41 h30
2022
08.10 100mi USA4th Midstate Massive 100 Mile Ultra Trail 30:46:44 h67
02.04 50mi USA6th Naked Prussian 50 Miler 11:18:37 h42
2018
31.08 171km FRA16ème Ultra Trail Tour du Mont Blanc 45:45:02 h1645
30.06 50km USA2nd Black Mountain 50K 5:58:00 h25
09.06 50km USA2nd Endurance Challenge - Massachusetts Trail 50 km 7:06:34 h36
31.03 50mi USA2nd Naked Prussian 50 Miler 10:08:58 h27
2017
30.12 162km HKG3rd Ultra-Trail Tai Mo Shan (UTMT) 100 Mile 37:15:00 h92
18.08 95km FRALong Tour des 4 Massifs (UT4M) Master 21:12:31 h137
15.07 50mi CAN4th Endurance Challenge - Ontario Trail 50 Mile 11:16:49 h36
2015
02.05 50km USA8th Endurance Challenge - New York Trail 50 km 6:46:13 h179
2014
11.10 50km USA2nd Tesla Hertz Run 50 km 6:43:19 h12
2013
04.05 50mi USA6th Endurance Challenge - New York Trail 50 Miles 12:58:09 h184