Chrissy Ferguson
Born : 1960 Cat. W65 Ultrarunner since 1995 USA
64
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
2
Countries visited ?NEDNetherlandsUSAUnited States
47,4%
Rank quotient ?This runner's calculation uses 157 eligible race(s): Σ(rank − 1) = 10 028; Σ finishers = 21 139. 10 028 / 21 139 × 100 = 47.44%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed157
Km — ultra races12 303 km
> 100 km28
> 160 km28
Longest race160,9 km

Km per year (ultra races)

291
5 races
2022
294
5 races
2023
164
3 races
2024
50
1 race
2025
64
1 race
2026

Race types (share of distance)

Road16,4%
Trail83,6%

Wins & podiums (ultra)

🏆 Win1
🏆 Win F25
🏅 Top 38
🏅 Top 3 F49
Longest winning streak1
Current streak0

HISTORY

158 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
02.05 40mi USA48th Strolling Jim 40 Mile 9:22:56 h84
2025
18.10 50km USA15th Pumpkin Holler 50 km Race 7:47:43 h68
2024
04.05 40mi USA46th Strolling Jim 40 Mile 10:00:12 h126
13.04 50km USA34th Ouachita Trail 50 km 11:43:18 h84
03.02 50km USA29th White Rock Classic 50K 7:53:49 h26
2023
25.11 6h USA13th Sunset 6 Hour Endurance Challenge 49.004 km8
11.11 50mi USA10th Tunnel Hill 50 Mile Race 10:55:44 h160
21.10 50km USA13th Pumpkin Holler 50 km Race 7:00:35 h29
22.07 50km USA31th Full Moon Run - Midnight 50K 7:38:20 h101
06.05 40mi USA45th Strolling Jim 40 Mile 9:06:02 h105
2022
26.11 6h USA12th Sunset 6 Hour Endurance Challenge 45.705 km2 🥈
12.11 50mi USA9th Tunnel Hill 50 Mile Race 11:16:26 h165
16.07 50km USA30th Full Moon Run - Midnight 50K 8:03:49 h66
07.05 40mi USA44th Strolling Jim 40 Mile 8:14:56 h96
13.02 50km USA27th White Rock Classic 50K 7:38:30 h20
2021
26.11 6h USA11th Sunset 6 Hour Endurance Challenge 53.929 km2 🥈
13.11 50mi USA8th Tunnel Hill 50 Mile Race 11:09:38 h172
16.10 50km USA11th Pumpkin Holler 50 km Race 7:21:44 h59
17.07 50km USA29th Full Moon Run - Midnight 50K 8:06:08 h101
12.06 50mi USA5th Lighthouse 50-Mile Ultra 12:35:46 h23
01.05 40mi USA43rd Strolling Jim 40 Mile 8:47:11 h130
2020
01.02 50km USA26th White Rock Classic 50K 7:12:00 h54
2019
29.11 6h USA9th Sunset 6 Hour Endurance Challenge 47.371 km6
09.11 50mi USA6th Tunnel Hill 50 Mile Race 11:32:15 h219
19.10 50km USA9th Pumpkin Holler 50 km Race 7:20:58 h49
04.05 40mi USA41st Strolling Jim 40 Mile 8:18:56 h102
27.04 50km USA11th Frisco Railroad 50 km Run 6:21:57 h27
09.03 50km USA3rd Ozark Highlands Endurance Run 9:31:00 h30
16.02 50km USA7th FOURmidable 50K 8:38:19 h177
02.02 50km USA25th White Rock Classic 50K 6:30:00 h40
2018
23.11 6h USA8th Sunset 6 Hour Endurance Challenge 50.646 km1 🏆
10.11 50mi USA5th Tunnel Hill 50 Mile Race 9:59:42 h101
20.10 50km USA34th Palo Duro 50 km Trail Run 8:55:52 h65
08.09 50mi USA9th Do-Wacka-Do 50 Mile Trail Run 12:59:18 h13
28.07 50km USA15th Pacifica 50 km Trail Run 8:13:17 h33
05.05 40mi USA40th Strolling Jim 40 Mile 8:52:16 h136
28.04 50km USA10th Frisco Railroad 50 km Run 5:49:45 h28
21.04 50km USA28th Ouachita Trail 50 km 9:16:49 h78
07.04 51mi USA5th Brazos Bend 50 - 50 Mile 12:29:52 h71
03.03 34mi USA2nd Ozark Highlands Endurance Run 8:47:06 h10
03.02 50km USA24th White Rock Classic 50K 6:55:00 h58
2017
25.11 6h USA7th Sunset 6 Hour Endurance Challenge 49.004 km8
11.11 50mi USA4th Tunnel Hill 50 Mile Race 10:50:32 h134
07.10 100mi USA27th Arkansas Traveller 100 28:57:48 h67
29.07 50mi USA11th Burning River 50 Mile Endurance Run 13:38:09 h109
06.05 40mi USA39th Strolling Jim 40 Mile 8:06:55 h91
04.02 50km USA23rd White Rock Classic 50K 6:53:21 h47
2016
26.11 6h USA6th Sunset 6 Hour Endurance Challenge 52.271 km7
01.10 100mi USA26th Arkansas Traveller 100 29:19:08 h83
23.07 50km USA25th Full Moon Run - Midnight 50K 6:50:44 h87
06.02 50km USA22nd White Rock Classic 50K 6:49:26 h53
2015
14.11 50km USA6th Bona Dea 50K 5:34:36 h15
03.10 100mi USA25th Arkansas Traveller 100 28:49:40 h99
25.07 50km USA24th Full Moon Run - Midnight 50K 7:58:23 h107
06.06 50km USA10th War Eagle 50K 8:27:02 h124
07.02 50km USA21st White Rock Classic 50K 7:38:16 h51
2014
29.11 6h USA4th Sunset 6 Hour Endurance Challenge 49.004 km8
15.11 50mi USA1st Tunnel Hill 50 Mile Race 10:03:11 h64
04.10 100mi USA24th Arkansas Traveller 100 28:27:56 h82
04.07 51.5mi USA5th Midnight Madness 50 Miler Road Race 10:41:15 h33
2013
16.11 50km USA4th Bona Dea 50K 5:33:01 h15
18.05 50mi USA6th Keys100 Ultra-Marathons 50mi 14:52:50 h76
16.02 50km USA21st Sylamore Trail 50k Run 7:55:32 h137
2012
10.11 50km USA3rd Bona Dea 50K 6:07:42 h18
06.10 100mi USA22nd Arkansas Traveller 100 28:40:46 h53
14.07 50km USA21th Full Moon Run - Midnight 50K 6:11:18 h55
07.04 50mi USA33rd American River 50 Mile Endurance Run 10:32:27 h383
18.02 50km USA20th Sylamore Trail 50k Run 7:48:17 h130
04.02 50km USA18th White Rock Classic 50K 6:42:08 h38
2011
07.05 40mi USA33rd Strolling Jim 40 Mile 7:25:02 h58
09.04 50mi USA32nd American River 50 Mile Endurance Run 10:44:35 h347
2010
13.11 50km USA1st Bona Dea 50K 4:57:27 h12
02.10 100mi USA20th Arkansas Traveller 100 26:43:32 h32
28.08 50mi USA6th Lean Horse Ultra-Marathon 50 Mile 10:39:20 h24
24.07 50km USA19th Full Moon Run - Midnight 50K 6:36:42 h44
01.05 40mi USA32nd Strolling Jim 40 Mile 7:22:36 h49
10.04 50mi USA31st American River 50 Mile Endurance Run 10:19:25 h312
13.03 60km USA7th Land Between The Lakes 60 km Trail Run 7:23:25 h31
20.02 50km USA18th Sylamore Trail 50k Run 7:14:25 h90
06.02 50km USA17th White Rock Classic 50K 5:52:51 h14
2009
03.10 100mi USA19th Arkansas Traveller 100 24:19:46 h19
12.09 100mi USA30th Wasatch Front 100 Mile 35:46:31 h154
22.08 100mi USA27th Leadville Trail 100 Mile 29:36:04 h242
18.07 100mi USA21st Vermont 100 Mile Endurance Race 23:27:11 h65
27.06 100mi USA36th Western States 100 Mile Endurance Run 29:29:00 h204
02.05 40mi USA31st Strolling Jim 40 Mile 7:03:04 h27
04.04 50mi USA30th American River 50 Mile Endurance Run 10:16:16 h263
21.02 50km USA17th Sylamore Trail 50k Run 7:57:48 h86
07.02 50km USA16th White Rock Classic 50K 6:14:27 h14
2008
06.12 28mi USA1st Lake Ouachita Vista Trail Endurance 28Miles Run (LOViT) 5:56:00 h11
11.10 100mi USA9th Heartland 100 Mile Race 23:28:04 h25
19.07 100mi USA20th Vermont 100 Mile Endurance Race 23:49:01 h68
03.05 40mi USA30th Strolling Jim 40 Mile 7:27:39 h44
05.04 50mi USA29th American River 50 Mile Endurance Run 10:17:50 h256
08.03 60km USA5th Land Between The Lakes 60 km Trail Run 7:40:24 h24
02.02 50km USA15th White Rock Classic 50K 5:57:00 h12
2007
06.10 100mi USA17th Arkansas Traveller 100 27:11:53 h36
21.07 50km USA16th Full Moon Run - Midnight 50K 5:55:00 h19
24.03 36.2mi USA30th Haleakala Run to the Sun 8:40:05 h40
10.03 50km USA26th Carl Touchstone Memorial Mississippi Trail 50 km 5:52:30 h19
17.02 50km USA15th Sylamore Trail 50k Run 8:09:00 h124
20.01 50km USA2nd Swamp Stomper 50K 8:02:27 h28
2006
07.10 100mi USA16th Arkansas Traveller 100 24:34:54 h31
22.07 100mi USA18th Vermont 100 Mile Endurance Race 27:12:49 h102
06.05 40mi USA28th Strolling Jim 40 Mile 6:48:14 h21
01.04 50mi USA27th American River 50 Mile Endurance Run 10:19:41 h232
04.02 50km USA13th White Rock Classic 50K 5:30:49 h15
2005
15.10 50km USA21st Palo Duro 50 km Trail Run 8:34:36 h70
20.08 100mi USA23rd Leadville Trail 100 Mile 29:43:42 h198
07.05 40mi USA27th Strolling Jim 40 Mile 6:37:00 h18
02.04 50mi USA26th American River 50 Mile Endurance Run 9:55:23 h219
19.02 50km USA13th Sylamore Trail 50k Run 5:58:31 h57
05.02 50km USA12th White Rock Classic 50K 5:35:42 h14
2004
16.10 50km USA20th Palo Duro 50 km Trail Run 8:49:47 h75
02.10 100mi USA14th Arkansas Traveller 100 21:32:35 h10
17.07 100mi USA16th Vermont 100 Mile Endurance Race 22:22:36 h49
01.05 40mi USA26th Strolling Jim 40 Mile 6:23:55 h14
03.04 50mi USA25th American River 50 Mile Endurance Run 9:11:21 h102
2003
06.12 50mi USA14th Sunmart Texas Trails 50 Mile 8:22:27 h41
18.10 50mi USA21th Mountain Masochist 50 Mile Trail Run 10:23:11 h84
19.07 100mi USA15th Vermont 100 Mile Endurance Race 19:22:23 h25
03.05 40mi USA25th Strolling Jim 40 Mile 6:02:13 h12
05.04 50mi USA24th American River 50 Mile Endurance Run 8:57:19 h138
01.03 50km USA23th Carl Touchstone Memorial Mississippi Trail 50 km 5:08:20 h7
01.02 100mi USA11th Rocky Raccoon 100 Mile Trail Run 19:50:20 h12
2002
09.11 50km USA7th Rockledge Rumble Trail Run 5:24:09 h12
05.10 100mi USA12th Arkansas Traveller 100 21:35:27 h13
20.07 100mi USA14th Vermont 100 Mile Endurance Race 19:59:12 h29
04.05 40mi USA24th Strolling Jim 40 Mile 5:44:24 h9
06.04 50mi USA23rd American River 50 Mile Endurance Run 8:28:48 h76
2001
01.12 50mi USA12th Sunmart Texas Trails 50 Mile 7:55:47 h32
06.10 100mi USA11th Arkansas Traveller 100 21:24:53 h14
05.05 40mi USA23rd Strolling Jim 40 Mile 5:43:57 h5
07.04 50mi USA22nd American River 50 Mile Endurance Run 7:56:38 h45
24.03 50km USA8th GNC 100 km Run Challenge - 50km Split 4:10:42 h22
24.03 100km USA8th GNC 100 km Run Challenge 8:46:21 h16
03.03 50km USA21th Carl Touchstone Memorial Mississippi Trail 50 km 4:50:32 h2 🥈
17.02 50km USA9th Sylamore Trail 50k Run 5:00:14 h4
03.02 50km USA8th White Rock Classic 50K 4:47:38 h3 🥉
2000
02.12 50km USA11th Sunmart Texas Trails 50 km 4:25:05 h45
07.10 100mi USA10th Arkansas Traveller 100 22:13:33 h20
09.09 100km NED25. IAU 100km WC Winschoten 9:44:55 h141
22.07 50km USA9th Full Moon Run - Midnight 50K 4:39:21 h3 🥉
15.07 100mi USA12th Vermont 100 Mile Endurance Race 22:24:17 h57
06.05 40mi USA22nd Strolling Jim 40 Mile 5:40:14 h4
01.04 50mi USA21st American River 50 Mile Endurance Run 9:32:58 h135
04.03 50km USA20th Carl Touchstone Memorial Mississippi Trail 50 km 4:25:19 h9
1999
02.10 100mi USA9th Arkansas Traveller 100 20:58:48 h8
31.07 50km USA8th Full Moon Run - Midnight 50K 4:27:00 h4
06.03 50km USA19th Carl Touchstone Memorial Mississippi Trail 50 km 4:24:10 h4
20.02 50km USA7th Sylamore Trail 50k Run 5:08:04 h10
06.02 50km USA6th White Rock Classic 50K 4:44:25 h3 🥉
1998
14.11 50km USA3rd Rockledge Rumble Trail Run 4:58:01 h12
25.07 50km USA7th Full Moon Run - Midnight 50K 4:32:30 h2 🥈
1997
04.10 100mi USA7th Arkansas Traveller 100 19:43:46 h4
26.04 50mi USA9th Ouachita Trail 50 Mile 9:32:43 h4
1996
06.04 50mi USA17th American River 50 Mile Endurance Run 6:55:19 h13
1995
21.05 50km USA8th Ohlone 50K Wilderness Run 5:35:32 h9