Christopher Rios
ID 34719
Born : 1942 Cat. M80 Ultrarunner since 1984 USA
46
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
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
72,2%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 5 684; Σ finishers = 7 876. 5 684 / 7 876 × 100 = 72.17%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed46
Km — ultra races3 023 km
> 24h4
> 48h2
Longest race91,5 km
27th Across the Years, 48h — 30/12/2010

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road15,0%
Trail85,0%

Records

50 km5h10'5350 mi9h18'1224 h85,94 km48 h91,50 km

HISTORY

46 race(s)
DateRacePerf.Rk
2011
30.12 48h USA28th Across the Years, 48h 78.562 km43
2010
30.12 48h USA27th Across the Years, 48h 91.500 km23
17.07 50km USA9th Tahoe Rim Trail 50km Endurance Runs 11:55:45 h142
2009
18.07 50km USA8th Tahoe Rim Trail 50km Endurance Runs 11:03:33 h134
2008
25.10 24h USA3rd San Francisco One Day, 24h 85.938 km57
19.07 50km USA7th Tahoe Rim Trail 50km Endurance Runs 11:17:44 h112
2007
30.12 24h USA25th Across the Years, 24h 68.000 km47
2006
15.07 50km USA5th Tahoe Rim Trail 50km Endurance Runs 10:50:17 h123
2005
16.07 50km USA4th Tahoe Rim Trail 50km Endurance Runs 10:31:13 h159
2004
15.05 50km USA11th Bishop High Sierra Ultramarathons 50 km 8:59:33 h62
28.03 36.2mi USA27th Haleakala Run to the Sun 10:04:00 h58
2003
19.07 50km USA3rd Tahoe Rim Trail 50km Endurance Runs 9:07:19 h122
05.04 50mi USA24th American River 50 Mile Endurance Run 11:20:10 h373
2002
20.07 50km USA2nd Tahoe Rim Trail 50km Endurance Runs 9:09:08 h134
02.06 33mi USA6th Holcomb Valley 33 Mile 8:29:00 h76
2001
19.05 50km USA8th Bishop High Sierra Ultramarathons 50 km 8:13:01 h44
2000
04.06 33mi USA4th Holcomb Valley 33 Mile 8:33:21 h90
1999
06.06 33mi USA3rd Holcomb Valley 33 Mile 8:43:55 h134
15.05 50mi USA6th Bishop High Sierra Ultramarathons 50 Miles 12:57:59 h49
10.04 50mi USA20th American River 50 Mile Endurance Run 11:36:59 h483
1998
07.06 33mi USA2nd Holcomb Valley 33 Mile 6:26:54 h81
25.04 50mi USA7th Leona Divide 50 Mile Run 11:06:56 h106
04.04 50mi USA19th American River 50 Mile Endurance Run 11:37:13 h449
1997
07.06 50km USA8th Shadow of the Giants 50K 6:21:41 h58
17.05 50mi USA4th Bishop High Sierra Ultramarathons 50 Miles 11:06:56 h36
19.04 50mi USA6th Leona Divide 50 Mile Run 11:09:57 h119
05.04 50mi USA18th American River 50 Mile Endurance Run 9:52:04 h303
15.03 50km USA8th Way Too Cool 50K Endurance Run 6:47:08 h343
1996
01.06 50km USA7th Shadow of the Giants 50K 7:09:19 h110
18.05 50mi USA3rd Bishop High Sierra Ultramarathons 50 Miles 12:05:00 h29
20.04 50mi USA5th Leona Divide 50 Mile Run 12:29:35 h121
1995
13.05 50mi USA2nd Bishop High Sierra Ultramarathons 50 Miles 11:24:08 h31
1993
03.04 50mi USA14th American River 50 Mile Endurance Run 9:26:18 h229
17.01 40.5mi USASpunky Canyon Ultra 6:59:09 h35
1992
30.05 50km USA3rd Shadow of the Giants 50K 5:35:05 h87
04.04 50mi USA13th American River 50 Mile Endurance Run 9:41:55 h234
11.01 50mi USA12th Avalon Benefit 50-Mile Run 9:18:12 h53
1991
01.06 50km USA2nd Shadow of the Giants 50K 5:40:52 h69
06.04 50mi USA12th American River 50 Mile Endurance Run 9:20:51 h182
20.01 40.5mi USASpunky Canyon Ultra 6:38:01 h46
05.01 50mi USA11th Avalon Benefit 50-Mile Run 9:50:29 h69
1989
09.04 50mi USA10th American River 50 Mile Endurance Run 9:41:29 h118
1988
03.12 50km USA3rd OTHTC High Desert 50K Ultra 5:36:28 h9
10.04 50mi USA9th American River 50 Mile Endurance Run 10:39:26 h157
1986
06.12 50km USA1st OTHTC High Desert 50K Ultra 5:10:53 h10
1984
05.08 50km USA3rd Skyline 50k Endurance Run 6:01:51 h181