Mallory Ham
ID 429813
Born : 1956 Cat. M70 Ultrarunner since 2013 USA
39
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
77,7%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 4 534; Σ finishers = 5 837. 4 534 / 5 837 × 100 = 77.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races3 601 km
> 100 km9
> 160 km5
Longest race160,9 km
24th San Diego 100 Mile Endurance Run — 6/6/2025

Km per year (ultra races)

470
5 races
2022
401
3 races
2023
250
3 races
2024
372
4 races
2025
130
2 races
2026

Race types (share of distance)

Trail100,0%

Records

50 km5h51'54100 km15h15'1750 mi10h27'58100 mi26h24'00

HISTORY

39 race(s)
DateRacePerf.Rk
2026
01.08 50km USA14th Volcanic 50 11:03:18 h156
06.06 50mi USA5th Malibu Canyon Trail Races (SAMO 50 Mile) 13:06:22 h36
2025
20.09 50mi USA13th Bryce 50 Mile Trail Run 13:55:33 h50
06.06 100mi USA24th San Diego 100 Mile Endurance Run 32:41:19 h135
12.04 50km USA32nd Leona Divide 50 km Run 7:21:12 h57
01.02 50mi USA13th Elephant Mountain 50 Mile 14:59:02 h28
2024
05.10 100km USA13th Cuyamaca 100 km Endurance Run 18:30:52 h142
27.04 100km USA11th The Canyons Endurance 100 km Run 20:30:05 h444
23.03 50km USA8th Griffith Park Trail Marathon 6:48:16 h61
2023
28.10 159.2km USA21st Javelina Jundred 100 Mile Endurance Run 26:24:00 h314
09.06 100mi USA2nd Malibu Canyon Trail Races (SAMO 100 Mile) 32:34:20 h37
23.04 50mi USA30th Leona Divide 50 Mile Run 16:01:43 h80
2022
03.12 50mi USA13th McDowell Mountain Frenzy 50 Mile 13:03:36 h58
29.10 159.2km USA20th Javelina Jundred 100 Mile Endurance Run 28:18:25 h332
24.09 50mi USA3rd That's No Moon Ultras 50M 14:13:29 h21
16.07 50km USA5th Wy'east Howl 50km Race 7:49:56 h167
23.04 100km USA29th Leona Divide 100 km Run 15:15:17 h64
2021
30.10 159.2km USA19th Javelina Jundred 100 Mile Endurance Run 28:23:01 h233
24.04 100km USA8th The Canyons Endurance 100 km Run 18:06:12 h222
2020
08.02 50mi USA7th Sean O'Brien 50 Mile Trail Race 13:11:24 h85
2019
09.11 50mi USA3rd Run the Rock 50 Mile 12:46:25 h75
03.08 100mi USA32nd Angeles Crest 100 Mile 32:41:13 h149
06.07 60km USA14th Angeles National Forest 60k Trail Race 10:59:04 h56
06.04 100km USA27th Leona Divide 100 km Run 15:24:06 h108
02.03 50km USA3rd Griffith Park Trail Marathon 7:10:30 h112
2018
17.11 50mi USA4th Dead Horse 50 Mile Race 11:31:58 h135
20.04 100mi USA7th The Zion 100 Mile Run 30:38:42 h126
03.02 100km USA5th Sean O'Brien 100 km Trail Race 16:23:33 h134
2017
02.12 50mi USA5th Ray Miller 50 Mile Trail Race 13:25:32 h87
09.06 100mi USA16th San Diego 100 Mile Endurance Run 31:23:11 h165
11.03 68mi USA3rd Coyote Cohorts Backbone 68 Mile Trail Ultra 21:26:39 h66
07.01 50mi USA37th Avalon Benefit 50-Mile Run 10:27:58 h86
2016
19.11 50km USA4th Ray Miller 50 km Trail Race 13:51:34 h133
06.02 50mi USA3rd Sean O'Brien 50 Mile Trail Race 12:44:16 h44
2015
15.02 50km USA5th Bandit Ultra 50K Trail Run 7:10:42 h69
2014
26.10 50km USA1st No Name 5030 - 50 km Run 5:51:54 h12
11.01 50mi USA34th Avalon Benefit 50-Mile Run 11:51:11 h213
2013
07.12 50km USA4th Malibu Canyon 50 km Trail Run 6:58:06 h25
09.06 33mi USA17th Holcomb Valley 33 Mile 7:21:29 h56