Chris Risko
ID 359200
Born : 1969 Cat. M55 Ultrarunner since 2012 USA
25
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
58,7%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 1 370; Σ finishers = 2 335. 1 370 / 2 335 × 100 = 58.67%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 107 km
> 100 km5
> 160 km5
> 24h2
Longest race160,9 km
35th Vermont 100 Mile Endurance Race — 19/7/2024

Km per year (ultra races)

50
1 race
2022
161
2 races
2023
241
2 races
2024
48
1 race
2025
80
1 race
2026

Race types (share of distance)

Road2,1%
Trail97,9%

Records

50 km5h34'1650 mi10h11'24100 mi23h47'146 h45,06 km

HISTORY

25 race(s)
DateRacePerf.Rk
2026
14.08 50mi USA5th Jigger Johnson 50M 25:27:02 h42
2025
18.10 30mi USA17th Ghost Train Rail Trail Race 30 Mile 5:54:00 h46
2024
19.07 100mi USA35th Vermont 100 Mile Endurance Race 28:39:44 h205
11.05 50mi USA14th Dirty German Endurance Fest 50 Mile 11:05:01 h103
2023
04.11 50mi USA23th Stone Cat 50 Mile 13:28:35 h31
03.06 50mi USA6th Chesterfield Gorge 50 Mile Ultra Race 11:04:38 h15
2022
08.10 50km USA11th Big Brad Ultras - Pounder 50 km 8:29:41 h40
2021
15.05 55mi USA7th Manchester to Monadnock Ultramarathon 13:22:15 h29
2020
11.10 50mi USA9th Big Brad Ultras - Punisher 50 Mile 12:13:19 h20
01.02 30h USA2nd TARCtic Frozen Yeti Trail Races 48.280 km79
2019
11.05 100mi USA3rd Riverlands 100 26:45:42 h13
23.03 6h USA4th TARC To Hale and Back 6 Hours 45.061 km13
02.02 30h USA1st TARCtic Frozen Yeti Trail Races 48.280 km103
2018
29.09 50km USA8th TARC Fall Classic 50 km 6:05:53 h43
21.07 100mi USA30th Vermont 100 Mile Endurance Race 23:47:14 h133
2017
15.07 100mi USA29th Vermont 100 Mile Endurance Race 24:28:13 h143
10.06 50km USA1st Endurance Challenge - Massachusetts Trail 50 km 8:12:28 h82
2016
22.10 100mi USA8th Ghost Train Rail Trail Races 100 Mile 23:54:00 h17
10.09 50mi USA6th TARC Fall Classic 50 Mile 11:20:55 h19
13.08 50km USA5th TARC Summer Classic 50 km 6:47:43 h15
2015
12.09 50mi USA5th TARC Fall Classic 50 Mile 11:13:37 h17
2014
08.11 50mi USA14th Stone Cat 50 Mile 10:11:24 h67
06.04 50km USA1st Cape Cod 50K Trail Race 5:34:16 h17
2013
02.11 50mi USA13th Stone Cat 50 Mile 10:21:38 h70
2012
13.10 50km USA2nd TARC Fall Classic 50 km 5:48:33 h33