Sundar Vembu
Born : 1973 Cat. M50 Ultrarunner since 2011 USA
39
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
81,1%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 3 347; Σ finishers = 4 125. 3 347 / 4 125 × 100 = 81.14%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races4 082 km
> 100 km14
> 160 km14
> 200 km1
> 24h12
> 48h7
Longest race321,9 km

Km per year (ultra races)

573
5 races
2022
251
2 races
2023
554
3 races
2024
380
3 races
2025
211
2 races
2026

Race types (share of distance)

Road45,7%
Trail54,3%

HISTORY

39 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
15.05 100mi USA16th Born to Run Ultra 100 Mile Marathon 42:42:18 h27
31.01 50km USA13th Sean O'Brien 50 km Trail Race 13:00:50 h106
2025
28.12 100mi USA41st Across The Years, 100mi 2d 00:11:06 h71
29.11 12h USA9th Boundiful 12 Hours Endurance Run 54.717 km16
04.10 48h USA8th Back On the Ranch Trail 48 Hour Run 164.153 km4
2024
28.12 200mi USA41th Across The Years, 200mi 4d 11:15:45 h12
05.10 24h USA8th Boundiful 24 Hours Endurance Run 70.811 km14
22.03 100mi USA9th RUN4Kids 100 Mile Race 35:28:52 h12
2023
31.12 100mi USA39th Across The Years, 100mi 35:35:55 h41
04.11 24h USA7th Boundiful 24 Hours Endurance Run 90.123 km7
2022
28.12 48h USA38th Across the Years, 48h 161.874 km24
05.11 24h USA6th Boundiful 24 Hours Endurance Run 99.779 km14
11.06 100km USA12th Cool Moon 100 km Endurance Run 28:19:44 h8
07.04 100mi USA10th Beyond Limits Ultra Race 100mi 34:46:48 h18
19.02 50km USA3rd The Ranch 50 km Race 9:42:48 h41
2021
13.11 24h USA5th Boundiful 24 Hours Endurance Run 90.123 km11
2019
28.12 72h USA35th Across the Years, 72h 161.876 km31
2017
30.12 48h USA33rd Across the Years, 48h 87.854 km75
15.07 55km USA16th Tahoe Rim Trail 55km Endurance Run 12:30:30 h137
22.04 100mi USA5th Razorback 100 Mile Endurance Race 35:07:59 h9
04.03 50km USA28th Way Too Cool 50K Endurance Run 8:21:47 h669
2016
31.12 48h USA32nd Across the Years, 48h 162.190 km28
2015
05.09 50km USA5th Los Pinos 50K 11:08:58 h85
23.05 24h USA7th Nanny Goat 24 Hour Race 160.934 km5
25.04 50km USA23rd Leona Divide 50 km Run 11:03:56 h271
07.02 50km USA2nd Sean O'Brien 50 km Trail Race 9:36:35 h173
2014
30.12 48h USA30th Across the Years, 48h 162.191 km31
01.11 100km USA12th Javelina Jundred 100 km Endurance Run 21:25:32 h90
26.04 50km USA22nd Leona Divide 50 km Run 9:54:05 h160
22.03 50km USA8th Old Goat's 50 km Trail Race 10:39:44 h77
25.01 50km USA4th Coldwater Rumble 52K Race 9:39:16 h40
11.01 50mi USA34th Avalon Benefit 50-Mile Run 16:27:53 h296
2013
30.12 48h USA29th Across the Years, 48h 162.191 km42
18.05 100km USA3rd Born to Run Ultra 100 km Marathon 19:46:13 h36
2012
02.12 50km USA26th OTHTC High Desert 50K Ultra 7:18:35 h181
13.10 50mi USA3rd The Spirit of Rock 50M 12:38:12 h34
25.08 50km USA21st Bulldog 50k Ultra Run 7:48:08 h166
2011
04.12 50km USA25th OTHTC High Desert 50K Ultra 7:37:19 h188
27.08 50km USA20th Bulldog 50k Ultra Run 8:24:10 h136