Ira Zaroff
ID 35848
Born : 1975 Cat. M50 Ultrarunner since 2006 USA
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
1
Countries visited ?USAUnited States
50,6%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 1 338; Σ finishers = 2 646. 1 338 / 2 646 × 100 = 50.57%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races1 782 km
> 100 km2
> 160 km2
Longest race160,9 km
2nd Burning River 100 Mile Endurance Run — 2/8/2008

Km per year (ultra races)

50
1 race
2022
50
1 race
2023
2024
2025
2026

Race types (share of distance)

Road50,9%
Trail49,1%

Records

50 km4h53'4350 mi10h02'29100 mi28h03'006 h53,74 km

HISTORY

28 race(s)
DateRacePerf.Rk
2023
12.03 50km USA21th USATF National 50K Road Open Race Caumsett 5:38:44 h14
2022
27.02 50km USA20th Caumsett Park 50K Lloyd Neck - Open Race 5:27:42 h18
2021
17.10 6h USA22th Fred von der Heydt Memorial 6 Hour 60th Birthday Run 49.986 km18
13.06 50km USA19th Caumsett Park 50K Lloyd Neck - Open Race 5:57:31 h19
2019
20.10 6h USA20th Fred von der Heydt Memorial 6 Hour 60th Birthday Run 49.889 km10
03.03 50km USA17th Caumsett Park 50K Lloyd Neck - Open Race 5:42:29 h31
2018
14.10 6h USA19th Fred von der Heydt Memorial 6 Hour 60th Birthday Run 45.061 km27
2016
16.10 6h USA17th 6 Hour 60th Birthday Run 46.928 km28
06.03 50km USA14th Caumsett Park 50K Lloyd Neck - Open Race 5:45:56 h34
2011
16.10 6h USA12th 6 Hour 60th Birthday Run 53.735 km25
07.05 50km USA9th Long Island Greenbelt Trail 50 km 6:42:45 h30
2010
27.03 50mi USA16th Umstead Endurance Run 50 Miles 10:25:51 h30
07.03 50km USA8th Caumsett Park 50K Lloyd Neck 4:53:43 h51
2009
01.03 50km USA7th Caumsett Park 50K Lloyd Neck 5:30:15 h58
2008
19.10 6h USA9th 6 Hour 60th Birthday Run 52.030 km20
20.09 50mi USA1st Virgil Crest 50 Mile Ultra 11:58:00 h9
02.08 100mi USA2nd Burning River 100 Mile Endurance Run 28:03:00 h59
02.03 50km USA6th Caumsett Park 50K Lloyd Neck 5:05:23 h47
02.02 50mi USA16th Rocky Raccoon 50 Mile Trail Run 10:02:29 h41
2007
17.11 60km USA27th NYRR Knickerbocker 60K 6:28:58 h75
14.10 6h USA8th 6 Hour 60th Birthday Run 50.340 km23
01.09 100mi USA3rd Grand Teton Races 100 Miles 36:40:27 h30
12.05 50km USA5th Long Island Greenbelt Trail 50 km 6:42:58 h23
04.03 50km USA5th Caumsett Park 50K Lloyd Neck 4:58:06 h39
2006
18.11 50mi USA44th JFK 50 Mile 10:14:40 h440
30.09 50mi USA13th Vermont 50 Miles Ultra Run 11:48:51 h104
20.05 50km USA4th Long Island Greenbelt Trail 50 km 6:59:35 h31
22.04 50km USA28th Sybil Ludington 50 km Run 5:49:51 h32