Amy Burton
ID 156138
Born : 1973 Cat. W50 Ultrarunner since 2004 USA
47
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
19,7%
Rank quotient ?This runner's calculation uses 50 eligible race(s): Σ(rank − 1) = 1 622; Σ finishers = 8 237. 1 622 / 8 237 × 100 = 19.69%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed50
Km — ultra races3 587 km
> 100 km7
> 160 km6
> 24h1
Longest race162,2 km
2nd New Years One Day 24 Hour Run — 31/12/2011

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road8,7%
Trail91,3%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F7
🏅 Top 32
🏅 Top 3 F25
Longest winning streak0
Current streak0

Records

50 km4h08'37100 km11h57'3650 mi8h17'30100 mi20h51'3912 h100,91 km24 h162,21 km

HISTORY

50 race(s)
DateRacePerf.Rk
2019
11.05 100km USA36th Quicksilver 100 km Endurance Run 13:22:19 h31
20.04 50km USASaratoga Trail Run 50km 5:29:59 h4
2018
06.10 50km USA10th Skyline to the Sea 50km 4:39:02 h9
06.05 50km USA8th Horseshoe Lake 50 km Trail Run 5:28:40 h2 🥈
2017
26.08 100mi USA19th Cascade Crest Classic 100 Mile 27:57:44 h38
13.05 100km USA34th Quicksilver 100 km Endurance Run 11:57:36 h17
2016
05.11 100mi USA16th Rio Del Lago 100 Mile Endurance Run 20:51:39 h16
2015
16.05 50km USA30th Silver State 50 km 5:38:40 h22
07.02 50km USA10th Orcas Island 50k 6:15:55 h51
2014
11.10 50mi USA32nd Dick Collins Firetrails 50 Mile 8:32:04 h19
03.08 50km USA33rd Skyline 50k Endurance Run 5:05:57 h38
19.07 100mi USA13th Tahoe Rim Trail 100M Endurance Run 24:08:38 h23
08.06 50km USA3rd Big Basin - Skyline to the Sea 50 km 4:50:55 h6
17.05 50mi USA29th Silver State 50 Mile 10:28:31 h22
08.03 50km USA25th Way Too Cool 50K Endurance Run 4:32:56 h76
2013
30.11 28mi USA29th Quad Dipsea Trail Run 5:20:27 h30
26.10 50km USA14th Whiskeytown 50km Trail Run 5:18:03 h7
12.10 50mi USA31st Dick Collins Firetrails 50 Mile 8:17:30 h23
11.08 50km USA32nd Skyline 50k Endurance Run 4:50:37 h35
20.07 100mi USA12th Tahoe Rim Trail 100M Endurance Run 27:38:56 h36
04.05 60km USA18th Miwok 60k Trail race 6:49:53 h62
20.04 50km USA27th Ruth Anderson Ultra 50km 4:08:37 h3 🥉
06.04 50mi USA34th American River 50 Mile Endurance Run 9:12:40 h185
2012
24.11 28mi USA28th Quad Dipsea Trail Run 5:23:44 h22
27.10 50km USA13th Whiskeytown 50km Trail Run 5:43:56 h14
12.08 50km USA31st Skyline 50k Endurance Run 4:52:08 h28
23.06 100mi USA39th Western States 100 Mile Endurance Run 27:59:44 h228
12.05 50mi USA29th Quicksilver 50 Mile Endurance Run 9:44:21 h20
14.04 50mi USA4th Lake Sonoma 50 Mile Race 10:04:32 h92
24.03 50km USA1st Woodside Ramble 50K - Spring 5:15:25 h12
2011
31.12 24h USA2nd New Years One Day 24 Hour Run 162.213 km6
26.11 28mi USA27th Quad Dipsea Trail Run 5:12:59 h33
08.10 50mi USA29th Dick Collins Firetrails 50 Mile 9:39:55 h66
24.09 50km USA1st Coastal 50 km Trail Run 5:29:20 h14
20.08 50km USA3rd Marquette Trail 50 km 6:07:12 h16
09.07 12h USA2nd Dirty Dozen 12h Endurance Run 100.905 km8
23.04 50km USA25th Ruth Anderson Ultra 50km 4:17:59 h5
10.04 50km USA4th Skyline to the Sea 50km 4:55:49 h20
19.03 50km USA10th Pirates Cove Trail Run 5:17:25 h16
26.02 50km USA8th Redwood Park 50K Trail Run 5:24:25 h18
23.01 50km USA8th Pacifica 50 km Trail Run - Winter Edition 5:44:55 h22
2010
09.10 50mi USA28th Dick Collins Firetrails 50 Mile 9:25:01 h72
18.09 50km USA7th Redwood Park 50K Trail Run 5:18:14 h15
01.08 50km USA29th Skyline 50k Endurance Run 5:06:11 h37
2009
26.04 50km USA2nd Skyline to the Sea 50km 5:19:44 h44
2006
04.02 50km USA28th Jed Smith Ultra Classic - 50 km Race 4:49:04 h28
2005
15.10 50mi USA23rd Dick Collins Firetrails 50 Mile 9:19:52 h39
07.05 50km USA22nd Quicksilver 50 km Endurance Run 6:00:19 h29
2004
08.05 50km USA21st Quicksilver 50 km Endurance Run 5:05:59 h7
27.03 50km USA3rd Pirates Cove Trail Run 5:14:57 h6