Michael Sparks
ID 780414
Born : 1979 Cat. M45 Ultrarunner since 2016 USA
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
64,4%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 1 610; Σ finishers = 2 501. 1 610 / 2 501 × 100 = 64.37%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races1 675 km
> 100 km2
> 160 km1
> 24h2
Longest race160,9 km
2nd Malibu Canyon Trail Races (SAMO 100 Mile) — 9/6/2023

Km per year (ultra races)

100
2 races
2022
364
3 races
2023
305
5 races
2024
50
1 race
2025
50
1 race
2026

Race types (share of distance)

Road11,8%
Trail88,2%

Records

50 km6h01'2850 mi9h27'39100 mi30h47'4824 h122,66 km

HISTORY

27 race(s)
DateRacePerf.Rk
2026
21.03 50km USA9th Valencia Trail Race 8:16:36 h40
2025
08.03 50km USA10th Griffith Park Trail Marathon 6:01:28 h34
2024
19.10 50mi USA3rd SAMO Trail Runs 11:30:45 h11
28.09 50km USA7th Rocky Peak Trail Races 7:52:46 h30
17.08 50km USA33th Bulldog 50k Ultra Run 7:22:10 h113
17.02 24h USA11th Jackpot Ultra Running Festival 24 Hour Race 74.319 km15
21.01 50km USA19th Calico Trail Run 50 km 7:59:08 h47
2023
02.12 50mi USA5th Anza Borrego Cuyamaca 50 Mile Run 12:20:40 h65
09.06 100mi USA2nd Malibu Canyon Trail Races (SAMO 100 Mile) 30:47:48 h20
04.03 24h USA10th Jackpot Ultra Running Festival 24 Hour Race 122.664 km10
2022
20.08 50km USA31th Bulldog 50k Ultra Run 8:20:54 h105
23.01 50km USA17th Calico Trail Run 50 km 8:48:14 h73
2021
27.11 28mi USA36th Quad Dipsea Trail Run 7:41:56 h197
16.10 50mi USA18th PCT 50 Mile Trail Run 12:16:19 h20
02.10 50km USA30th Bulldog 50k Ultra Run 6:52:45 h59
2020
07.03 50km USA15th Montaña de Oro 50 km Race 8:23:43 h47
26.01 50km USA16th Calico Trail Run 50 km 7:44:32 h60
2019
23.11 50km USA6th No Name 5030 - 50 km Run 9:00:58 h51
24.08 50km USA28th Bulldog 50k Ultra Run 6:29:28 h54
03.02 50km USA15th Calico Trail Run 50 km 7:46:00 h66
2018
10.11 50km USA8th Chino Hills 50K Race 7:14:29 h84
21.01 50km USA14th Calico Trail Run 50 km 6:47:35 h47
2017
11.11 50km USA7th Chino Hills 50K Race 6:35:46 h42
22.04 50mi USA25th Leona Divide 50 Mile Run 9:27:39 h15
2016
19.11 50km USA6th Chino Hills 50K Race 8:02:27 h91
27.08 50km USA25th Bulldog 50k Ultra Run 7:03:13 h180
19.03 50km USA3rd Old West Trails 50km Race 7:09:53 h61