Stefan Fiandeiro
ID 614900
Born : 2000 Cat. M23 Ultrarunner since 2014 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
58,0%
Rank quotient ?This runner's calculation uses 62 eligible race(s): Σ(rank − 1) = 3 679; Σ finishers = 6 342. 3 679 / 6 342 × 100 = 58.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed62
Km — ultra races7 857 km
> 100 km32
> 160 km28
> 200 km3
> 24h4
Longest race500,0 km
17th Last Annual Vol-State 500K Endurance Run — 14/7/2022

Km per year (ultra races)

922
4 races
2022
200
2 races
2023
1 341
9 races
2024
483
3 races
2025
282
2 races
2026

Race types (share of distance)

Road14,8%
Trail85,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km5h35'13100 km14h49'0550 mi10h41'43100 mi20h57'4324 h130,12 km

HISTORY

62 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
15.05 100mi USA14th Cruel Jewel 100 Mile 38:58:16 h87
02.05 24h USA2nd Prickly Pine Jackpot 120.700 km5
2025
02.08 100mi USA7th Badger Trail Races by Ten Junk Miles Racing 27:50:25 h56
15.03 100mi USA4th Rabid Raccoon 100 Miles 34:36:33 h50
18.01 100mi USA15th Coldwater Rumble 100 Mile Race 26:23:52 h30
2024
21.12 50km USA12th Woodside Ramble 50K - Winter 6:27:23 h38
09.11 100mi USA11th Tunnel Hill 100 Mile Race 23:19:39 h64
25.10 102mi USA8th No Business 100 32:47:55 h104
19.10 100mi USA10th Uwharrie 100 Mile Trail Run 35:36:15 h20
12.10 100mi USA12th Indiana Trail 100 Mile 28:33:01 h105
05.10 100mi USA34th Arkansas Traveller 100 28:32:17 h69
14.09 100mi USA12th Virgil Crest 100 Mile Ultra 33:09:01 h10
31.08 100mi USA6th Tuscazoar 100 Mile Trail Race 31:50:37 h14
13.01 100mi USA24th HURT 100 Endurance Run 100 Mile 35:16:48 h59
2023
29.07 100km USA5th Badger Trail Races by Ten Junk Miles Racing 14:59:48 h19
13.05 100km USA40th Quicksilver 100 km Endurance Run 16:42:46 h96
2022
14.07 500km USA17th Last Annual Vol-State 500K Endurance Run 6d 04:01:15 h24
03.06 100mi USA21th San Diego 100 Mile Endurance Run 30:39:28 h94
19.03 100mi USA8th The Pistol 100 Mile Ultra Run 26:06:31 h26
05.02 100km USA8th Ordnance 100K 14:49:05 h14
2021
31.12 24h USA11th New Years One Day 24 Hour Run 100.905 km17
18.12 50km USA10th Woodside Ramble 50K - Winter 5:50:05 h39
14.08 100mi USA11th Cool Moon 100 Mile Endurance Run 27:04:27 h3 🥉
10.07 100km USA23rd Siskiyou Out Back 100 km Trail Run 16:46:01 h74
19.06 50km USA12th San Lorenzo River Trail Run 6:55:00 h42
29.05 100mi USA9th Bryce 100 Mile Trail Run 34:46:01 h80
03.05 250mi USA1st Cocodona 250 Mile Race 3d 19:10:29 h14
26.03 100mi USA16th Antelope Island Buffalo Run 100 Mile 24:58:05 h25
06.02 100mi USA29th Rocky Raccoon 100 Mile Trail Run 20:57:43 h44
16.01 100mi USA11th Coldwater Rumble 100 Mile Race 23:18:56 h13
2020
31.10 100mi USA18th Javelina Jundred 100 Mile Endurance Run 23:20:11 h46
19.09 100mi USA2nd Ride To Walk 100 Mile Endurance Race 24:23:48 h4
08.08 100mi USA10th Cool Moon 100 Mile Endurance Run 26:55:39 h5
06.06 100mi USA6th The Loco Go Big or Go Home Challenge 100M 28:43:59 h12
08.02 100km USA7th Sean O'Brien 100 km Trail Race 15:48:27 h126
11.01 100km USA20th Bandera 100 km Endurance Run 16:37:03 h207
2019
21.12 50km USA8th Woodside Ramble 50K - Winter 6:25:51 h52
09.08 206mi USA5th Bigfoot 200 Endurance Run 3d 13:27:13 h37
27.07 50mi USA6th Pioneer Spirit 50M 13:29:17 h14
22.06 100mi USA2nd Old Cascadia 100 Mile Race 33:27:39 h23
02.06 50km USA8th Big Basin - Skyline to the Sea 50 km 5:35:13 h37
19.05 50km USA32nd Ohlone 50K Wilderness Run 7:55:48 h52
11.05 100km USA36th Quicksilver 100 km Endurance Run 15:38:39 h109
09.03 50mi USA8th Marin Ultra Challenge 50 Mile Race 13:20:37 h167
23.02 52km USA2nd Mount Umunhum Trail Run 8:29:02 h44
02.02 100km USA6th Ordnance 100K 16:00:34 h45
2018
28.07 50mi USA5th Pioneer Spirit 50M 13:39:34 h42
01.06 24h USA5th San Francisco Summer Solstice 24h 130.115 km17
20.05 50km USA31th Ohlone 50K Wilderness Run 7:47:55 h81
20.04 100mi USA7th The Zion 100 Mile Run 32:18:28 h144
10.03 50mi USA7th Marin Ultra Challenge 50 Mile Race 14:09:20 h158
24.02 52km USA1st Mount Umunhum Trail Run 8:40:39 h69
13.01 50km USA8th Steep Ravine 50 km Trail Run 7:57:54 h19
2017
31.12 24h USA8th New Years One Day 24 Hour Run 107.978 km23
16.12 50km USA6th Woodside Ramble 50K - Winter 7:10:30 h79
13.05 100km USA34th Quicksilver 100 km Endurance Run 16:37:09 h152
01.04 50mi USA38th American River 50 Mile Endurance Run 10:41:43 h162
2016
17.12 50km USA5th Woodside Ramble 50K - Winter 5:51:42 h41
02.04 50mi USA37th American River 50 Mile Endurance Run 11:39:15 h286
2015
20.09 50km USA28th Ohlone 50K Wilderness Run 8:37:01 h52
21.02 50km USA5th Chabot Trail Run 6:07:55 h39
2014
14.12 50km USA3rd Woodside Ramble 50K - Winter 6:46:13 h62