Ivan Moseman
ID 166669
Born : 1967 Cat. M55 Ultrarunner since 2010 USA
50
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
2
Countries visited ?CANCanadaUSAUnited States
52,2%
Rank quotient ?This runner's calculation uses 110 eligible race(s): Σ(rank − 1) = 5 346; Σ finishers = 10 240. 5 346 / 10 240 × 100 = 52.21%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed110
Km — ultra races5 683 km
Longest race80,5 km
14th Marin Ultra Challenge 50 Mile Race — 14/3/2026

Km per year (ultra races)

561
10 races
2022
829
16 races
2023
981
19 races
2024
595
12 races
2025
1 031
20 races
2026

Race types (share of distance)

Road7,1%
Trail92,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km5h13'5850 mi11h35'396 h56,17 km

HISTORY

110 race(s)
DateRacePerf.Rk
2026
12.09 50km USA14th Berkeley Trail Adventure 6:57:58 h48
22.08 50km CAN3rd Ultra Trail Whistler by UTMB - 50K 10:34:04 h218
15.08 31.5mi USA25th Tamalpa Headlands 50K 7:11:16 h157
02.08 50km USA45th Skyline 50k Endurance Run 6:58:08 h105
11.07 50km USA17th San Lorenzo River Trail Run 7:06:59 h15
11.07 6h USA17th Dirty Dozen 6h Endurance Run 49.487 km13
28.06 50km USA7th Big Chief 50K Trail Run 7:16:42 h75
30.05 50km USA17th Cinderella 50 km Spring Trail Run 6:57:19 h9
16.05 50km USA5th Napa Wilderness Trail Runs 6:43:58 h3 🥉
09.05 50km trail race USA14th Grizzly Peak 50k 7:23:12 h8
02.05 50km USA16th Folsom Lake Trail Run - Spring 50K 6:02:31 h14
25.04 50km USA13th The Canyons Endurance 50 km Run 6:40:08 h269
11.04 50km USA6th Lake Sonoma 100K & 50K 7:25:23 h111
21.03 50km USA3rd Camp Croft 50 km 6:23:27 h8
14.03 50mi USA14th Marin Ultra Challenge 50 Mile Race 12:58:22 h137
14.02 50km USA13th Chabot Trail Run 6:33:32 h27
07.02 50km USA16th Golden Gate 50 km Winter Trail Run 7:09:40 h23
24.01 50km USA11th Folsom Lake Sweetwater Trail Run 6:51:22 h12
18.01 50km USA16th Crystal Springs 50 km Winter Trail Run 6:42:46 h18
10.01 50km USA5th No Hands Trail Run 7:28:42 h38
2025
07.12 50km USA17th Hunter S. Thompson Fear & Loathing 50 km 5:49:45 h27
29.11 28.4mi USA40th Quad Dipsea Trail Run 7:41:52 h209
02.08 50km USA14th Rodeo Valley 50 km Trail Run 6:47:55 h56
12.07 50km USA16th San Lorenzo River Trail Run 7:48:00 h33
21.06 50km USA7th Golden State 50K 6:54:24 h40
07.06 6h USA4th SF Half Day 6h 49.599 km8
01.06 50km USA16th Cinderella 50 km Spring Trail Run 7:21:43 h8
26.04 50km USA12th The Canyons Endurance 50 km Run 7:06:06 h380
22.03 50km USA2nd The Big Alta 7:06:04 h189
15.02 50km USA12th Chabot Trail Run 6:39:41 h23
01.02 50km USA15th Golden Gate 50 km Winter Trail Run 6:54:19 h15
11.01 50km USA4th No Hands Trail Run 7:21:47 h49
2024
08.12 50km USA16th Hunter S. Thompson Fear & Loathing 50 km 5:43:00 h14
30.11 28mi USA39th Quad Dipsea Trail Run 7:27:52 h211
16.11 50km USA12th Mt. Tam Trail Run 7:03:15 h91
19.10 55km USA4th Lake Sonoma 100K & 50K 7:40:50 h39
14.09 50km USA12th Berkeley Trail Adventure 6:52:29 h33
01.09 50km USA14th Crystal Springs 50 km Summer Trail Run 6:44:04 h21
17.08 31.5mi USA23rd Tamalpa Headlands 50K 6:54:47 h129
04.08 50km USA43rd Skyline 50k Endurance Run 6:47:57 h76
29.06 50km USA6th Golden State 50K 6:34:30 h35
08.06 50km USA1st Sonoma Coast Trail Runs 6:43:41 h10
11.05 50km USA41th Quicksilver 50 km Endurance Run 7:34:48 h88
13.04 50km USA9th Woodside Purisima Creek Crossover 6:38:20 h19
30.03 50km USA13th Redwood (Spring) 50 km Trail Run 6:32:58 h24
09.03 50mi USA12th Marin Ultra Challenge 50 Mile Race 12:29:17 h88
24.02 50km USA1st The Big Alta 7:45:48 h159
03.02 50km USA14th Golden Gate 50 km Winter Trail Run 6:37:42 h19
27.01 50km USA12th Fort Ord 50K Trail Run 6:27:03 h47
14.01 50km USA14th Crystal Springs 50 km Winter Trail Run 6:47:11 h28
06.01 50km USA3rd No Hands Trail Run 7:14:43 h24
2023
31.12 6h USA13th New Years One Day 6 Hour Run 48.150 km18
16.12 50km USA12th Woodside Ramble 50K - Winter 6:43:18 h53
09.12 50km USA15th Hunter S. Thompson Fear & Loathing 50 km 5:38:00 h9
11.11 50km USA11th Mt. Tam Trail Run 7:24:57 h77
16.09 50km USA11th Berkeley Trail Adventure 6:26:07 h28
03.09 50km USA13th Crystal Springs 50 km Summer Trail Run 6:22:39 h19
05.08 50km USA12th Rodeo Valley 50 km Trail Run 6:36:00 h26
15.07 50mi USA25th Mt. Hood 50 Mile Trail Run 12:05:07 h88
01.07 50km USA5th Golden State 50K 6:56:17 h49
10.06 50km USA14th Cinderella 50 km Spring Trail Run 7:01:32 h16
13.05 50km USA40th Quicksilver 50 km Endurance Run 7:41:07 h74
29.04 50km USA10th Sierra Azul Trail Challenge 7:05:05 h13
15.04 50km USA8th Woodside Purisima Creek Crossover 6:31:25 h17
18.02 50km USA2nd North Marin Ridge 50km Run 6:30:25 h19
04.02 50km USA13th Golden Gate 50 km Winter Trail Run 6:22:17 h15
28.01 50km USA11th Fort Ord 50K Trail Run 6:17:26 h40
2022
04.12 50km USA14th Hunter S. Thompson Fear & Loathing 50 km 6:18:00 h13
12.11 50km USA10th Mt. Tam Trail Run 6:57:47 h51
08.10 50km USA36th Ruth Anderson Ultra 50km 5:13:58 h19
07.08 50km USA41st Skyline 50k Endurance Run 6:53:08 h93
18.06 50km USA13th San Lorenzo River Trail Run 6:18:36 h6
21.05 50mi USA9th San Francisco 50 Mile Endurance Run 11:35:39 h14
16.04 50km USA7th Woodside Purisima Creek Crossover 6:32:14 h20
12.03 50mi USA10th Marin Ultra Challenge 50 Mile Race 11:38:05 h66
05.02 50km USA12th Golden Gate 50 km Winter Trail Run 6:20:22 h9
16.01 50km USA12th Crystal Springs 50 km Winter Trail Run 6:07:42 h24
2021
31.12 6h USA11th New Years One Day 6 Hour Run 56.166 km5
11.12 50km USA17th Rodeo Beach 50km 5:58:17 h7
13.11 50km USA9th Mt. Tam Trail Run 6:59:21 h83
23.10 50km USA38th Quicksilver 50 km Endurance Run 6:06:00 h40
07.08 50km USA10th Rodeo Valley 50 km Trail Run 6:02:47 h29
31.07 50km USA11th Crystal Springs 50 km Summer Trail Run 5:39:56 h15
18.07 50km USA3rd Big Chief 50K Trail Run 7:49:40 h115
10.07 50km USA11th Golden Gate 50 km Summer Trail Run 6:24:29 h28
05.06 50km USA6th Ruck a Chuck 50K 6:50:10 h23
2020
19.01 50km USA10th Crystal Springs 50 km Winter Trail Run 5:49:26 h17
2019
14.12 50km USA15th Rodeo Beach 50km 5:46:04 h30
02.11 50km USA17th Woodside Trail Run 50K 6:07:40 h12
03.08 50km USA1st The Groves 50km Trail Race 6:49:58 h19
18.05 50km USA7th San Francisco 50 km Endurance Run 5:59:15 h17
09.03 50km USA8th Marin Ultra Challenge 50 km Race 5:35:58 h65
2018
22.09 50km USA8th Coastal 50 km Trail Run 5:46:15 h13
05.08 50km USA8th Crystal Springs 50 km Summer Trail Run 6:00:47 h9
2017
04.06 50km USA6th Big Basin - Skyline to the Sea 50 km 5:36:01 h25
20.05 50km USA5th San Francisco 50 km Endurance Run 5:57:55 h8
09.04 50km USA3rd Woodside Purisima Creek Crossover 6:00:35 h36
01.01 50km USA15th Woodside Trail Run 50K 5:29:51 h25
2016
09.07 50km USA6th Golden Gate 50 km Summer Trail Run 6:22:29 h17
09.04 50km USA2nd Woodside Purisima Creek Crossover 6:58:10 h36
2015
26.07 50km USA4th Big Basin - Skyline to the Sea 50 km 5:35:26 h24
13.06 50km USA4th Rodeo Valley 50 km Trail Run 5:27:08 h25
12.04 50km USA1st Woodside Purisima Creek Crossover 6:12:41 h30
2014
10.05 50km USA5th Cinderella 50 km Spring Trail Run 6:02:11 h10
13.04 50km USA3rd Woodside Ramble 50K - Spring 5:39:01 h23
2013
22.06 50km USA2nd Marin Ultra Challenge 50 km Race 5:51:33 h25
09.06 50km USA2nd Big Basin - Skyline to the Sea 50 km 5:26:04 h47
2011
03.12 50km USA5th Endurance Challenge - California Trail 50 km 6:30:09 h132
2010
17.07 50mi USA4th Headlands Hundred 50 Mile Endurance Run 12:24:57 h63
10.06 50km USA8th Angel Island 50k 6:27:28 h27