Tammy Perez
ID 171198
Born : 1968 Cat. W55 Ultrarunner since 2010 USA
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
69,1%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 2 851; Σ finishers = 4 126. 2 851 / 4 126 × 100 = 69.10%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races2 320 km
> 100 km4
> 160 km3
Longest race160,9 km
15th Rio Del Lago 100 Mile Endurance Run — 7/11/2015

Km per year (ultra races)

2022
2023
2024
2025
50
1 race
2026

Race types (share of distance)

Road10,9%
Trail89,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F5
Longest winning streak0
Current streak0

Records

50 km6h00'10100 km15h26'0050 mi10h24'21100 mi27h01'236 h50,15 km12 h89,13 km

HISTORY

29 race(s)
DateRacePerf.Rk
2026
09.05 50km USA43rd Quicksilver 50 km Endurance Run 9:47:51 h118
2018
10.03 50mi USA7th Marin Ultra Challenge 50 Mile Race 12:48:22 h130
10.02 50km USA8th Golden Gate 50 km Winter Trail Run 7:50:45 h32
03.02 50km USA6th Fort Ord 50K Trail Run 7:57:27 h95
27.01 50km USA12th Fremont Fat Ass 50k 6:01:00 h28
2017
31.12 12h USA8th New Years One Day 12 Hour Run 82.269 km9
09.09 75mi USA11th Headlands Hundred 75 Mile Endurance Run 27:08:34 h20
13.05 100km USA34th Quicksilver 100 km Endurance Run 16:05:09 h142
09.04 50km USA3rd Woodside Purisima Creek Crossover 7:40:29 h72
25.02 50km USA3rd Salmon Falls 50 km Race 8:08:22 h247
2016
14.05 100km USA33rd Quicksilver 100 km Endurance Run 15:55:06 h150
12.03 50mi USA5th Marin Ultra Challenge 50 Mile Race 13:11:43 h101
05.03 12h USA4th Razorback 12 hour Endurance Race 82.446 km4
2015
31.12 12h USA6th New Years One Day 12 Hour Run 82.269 km9
07.11 100mi USA15th Rio Del Lago 100 Mile Endurance Run 29:39:55 h225
26.09 50km USA14th Stevens Creek Striders 50K 8:32:29 h25
15.08 100mi USA5th Run-de-Vous 100 Mile Endurance Run 27:01:23 h7
08.08 50km USA34th Skyline 50k Endurance Run 6:29:22 h93
11.07 6h USA6th Dirty Dozen 6h Endurance Run 50.147 km12
09.05 100km USA32nd Quicksilver 100 km Endurance Run 16:30:58 h181
02.05 100km USA20th Miwok 100k Trail Race 15:26:00 h301
31.01 50km USA3rd Fort Ord 50K Trail Run 6:35:34 h42
2014
31.12 12h USA5th New Years One Day 12 Hour Run 89.125 km7
13.09 100mi USA8th Headlands Hundred 100 Mile Endurance Run 31:52:38 h37
12.07 12h USA5th Dirty Dozen 12h Endurance Run 88.835 km12
05.04 50mi USA35th American River 50 Mile Endurance Run 10:24:21 h335
2013
07.12 50km USA7th Endurance Challenge - California Trail 50 km 7:26:27 h257
11.08 50km USA32nd Skyline 50k Endurance Run 6:00:10 h128
2010
08.05 50km USA27th Quicksilver 50 km Endurance Run 7:04:26 h61