Becky Grebosky
ID 839335
Born : 1967 Cat. W55 Ultrarunner since 2016 USA
26
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
1
Countries visited ?USAUnited States
63,5%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 3 466; Σ finishers = 5 461. 3 466 / 5 461 × 100 = 63.47%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races2 095 km
> 100 km5
> 160 km4
Longest race160,9 km
3rd Rim to River 100 Mile Race — 5/11/2022

Km per year (ultra races)

361
4 races
2022
150
3 races
2023
209
2 races
2024
64
1 race
2025
50
1 race
2026

Race types (share of distance)

Trail100,0%

Records

50 km5h50'44100 km14h22'0050 mi10h55'01100 mi26h12'50

HISTORY

26 race(s)
DateRacePerf.Rk
2026
11.07 50km USA28th Siskiyou Out Back 50 km Trail Run 8:14:46 h141
2025
13.04 40mi USA22nd Peterson Ridge Rumble 40 Mile Trail Run 8:51:34 h39
2024
26.10 159.2km USA22nd Javelina Jundred 100 Mile Endurance Run 28:26:22 h365
13.04 50km USA21st Desert Rats Trail Running Festival 50 km 8:51:46 h354
2023
24.09 50km USA3rd Sawatch Ascent 50km Race 10:31:55 h116
23.09 50km USA3rd West Line Winder 50 km Race 7:48:25 h103
10.06 50km USA36th McKenzie River 50 km Trail Run 6:53:58 h145
2022
05.11 100mi USA3rd Rim to River 100 Mile Race 31:56:34 h142
15.10 50km USA3rd Rogue Gorge 50 km Race 6:53:11 h64
09.07 50km USA24th Siskiyou Out Back 50 km Trail Run 6:39:18 h88
12.02 99.9km USA9th Black Canyon Trail 100 km Run 16:36:57 h394
2021
18.09 100mi USA9th Mountain Lakes 100 27:41:01 h56
15.05 50km USA8th Smith Rock Ascent 50K 6:52:42 h129
2020
17.10 50km USA1st Rogue Gorge 50 km Race 7:24:29 h88
2019
17.08 100mi USA37th Leadville Trail 100 Mile 28:58:59 h215
13.07 50mi USA21st Siskiyou Out Back 50 Miles Trail Run 12:13:54 h31
13.04 50mi USA11th Lake Sonoma 50 Mile Race 11:45:13 h170
09.03 50mi USA6th Antelope Canyon 50 Mile Race 10:55:01 h45
2018
03.11 100mi USA18th Rio Del Lago 100 Mile Endurance Run 26:12:50 h90
29.09 50km USA6th Headwaters Trail Run 50K 6:56:54 h29
05.05 100km USA23nd Miwok 100k Trail Race 14:22:00 h189
08.04 35mi USA16th Peterson Ridge Rumble 35 Mile Trail Run 6:27:59 h59
2017
22.07 50mi USA19th Siskiyou Out Back 50 Miles Trail Run 11:12:52 h63
13.05 50km USA4th Smith Rock Ascent 50K 5:50:44 h66
2016
03.12 50km USA10th Endurance Challenge - California Trail 50 km 6:22:16 h178
23.07 50km USA18th Siskiyou Out Back 50 km Trail Run 6:51:37 h133