Christine Duryea-Ferguson
Born : 1960 Cat. W65 Ultrarunner since 1992 USA
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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
5
Countries visited ?BELBelgiumFRAFranceJPNJapanNEDNetherlandsUSAUnited States
22,1%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 2 258; Σ finishers = 10 217. 2 258 / 10 217 × 100 = 22.10%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed46
Km — ultra races4 312 km
> 100 km9
> 160 km9
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road25,1%
Trail74,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F14
🏅 Top 31
🏅 Top 3 F24
Longest winning streak0
Current streak0

HISTORY

46 race(s) · 1 split(s) nested
DateRacePerf.Rk
2004
13.03 50km USA15th Way Too Cool 50K Endurance Run 6:19:37 h308
2003
23.08 31.5mi USA6th Tamalpa Headlands 50K 5:59:58 h94
2002
09.03 50km USA13th Way Too Cool 50K Endurance Run 5:12:02 h121
1999
15.05 100km FRAOpen Race at IAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée) 8:41:47 h185
15.05 100km FRAIAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée) 8:41:47 h114
10.04 50mi USA20th American River 50 Mile Endurance Run 7:36:46 h45
1998
18.10 100km JPNIAU 100km WC Nakamura (5th River Shimanto 100km) 9:02:56 h52
17.05 50km USA11th Ohlone 50K Wilderness Run 5:55:42 h23
09.05 50mi USA15th Quicksilver 50 Mile Endurance Run 8:24:17 h9
04.04 50mi USA19th American River 50 Mile Endurance Run 8:24:21 h92
14.03 50km USA9th Way Too Cool 50K Endurance Run 5:47:01 h155
1997
15.11 50mi USA2nd Helen Klein Ultra Classic 50mi 6:41:41 h8
13.09 100km NEDIAU 100km WC (RUN Winschoten 100 km) 8:03:28 h78
13.09 100km NED22. RUN Winschoten 100 km - open race 8:03:28 h83
02.08 50km USA16th Skyline 50k Endurance Run 4:37:04 h22
28.06 100mi USA24th Western States 100 Mile Endurance Run 23:18:08 h69
18.05 50km USA10th Ohlone 50K Wilderness Run 5:46:00 h11
10.05 50mi USA14th Quicksilver 50 Mile Endurance Run 7:57:27 h4
05.04 50mi USA18th American River 50 Mile Endurance Run 6:58:20 h26
15.03 50km USA8th Way Too Cool 50K Endurance Run 4:31:31 h40
1996
12.12 50mi USA7th Sunmart Texas Trails 50 Mile 7:14:36 h30
12.10 100mi USA6th Arkansas Traveller 100 19:28:13 h7
17.08 50mi USA2nd Cameron Park 50 Mile 6:50:57 h5
18.05 50km USA11th Silver State 50 km 9:14:09 h52
11.05 50mi USA13th Quicksilver 50 Mile Endurance Run 7:59:23 h4
1995
09.12 50mi USA6th Sunmart Texas Trails 50 Mile 6:53:17 h5
07.10 100mi USA5th Arkansas Traveller 100 17:53:10 h2 🥈
16.09 100km NED20. IAU 100km WC Winschoten 7:44:23 h69
24.06 100mi USA22nd Western States 100 Mile Endurance Run 23:02:46 h24
13.05 50mi USA12th Quicksilver 50 Mile Endurance Run 8:19:59 h6
01.04 50mi USA16th American River 50 Mile Endurance Run 7:03:18 h22
1994
08.10 100mi USA4th Arkansas Traveller 100 18:40:36 h4
26.06 100km JPN9. Lake Saroma 100 km Ultramarathon 7:56:57 h69
26.06 100km JPNIAU 100km WC Yubetsu (9. Lake Saroma 100 km Ultramarathon) 7:56:57 h52
07.05 50mi USA11th Quicksilver 50 Mile Endurance Run 8:26:12 h6
02.04 50mi USA15th American River 50 Mile Endurance Run 6:49:55 h16
05.02 100km USA100km Jed Smith Ultra Classic 8:03:16 h16
1993
27.11 28mi USA9th Quad Dipsea Trail Run 5:00:59 h27
09.10 100mi USA3rd Arkansas Traveller 100 18:50:38 h4
07.08 100km BELIAU 100km WC Torhout 8:31:18 h114
26.06 100mi USA20th Western States 100 Mile Endurance Run 23:16:36 h35
08.05 50mi USA10th Quicksilver 50 Mile Endurance Run 8:03:15 h4
03.04 50mi USA14th American River 50 Mile Endurance Run 7:01:54 h22
1992
10.10 100mi USA2nd Arkansas Traveller 100 20:38:08 h10
27.06 100mi USA19th Western States 100 Mile Endurance Run 26:36:09 h99
04.04 50mi USA13th American River 50 Mile Endurance Run 7:41:23 h61