Alvin Chan
ID 1027862
Born : 1979 Cat. M45 Ultrarunner since 2017 USA
49
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
56,1%
Rank quotient ?This runner's calculation uses 49 eligible race(s): Σ(rank − 1) = 2 388; Σ finishers = 4 260. 2 388 / 4 260 × 100 = 56.06%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed49
Km — ultra races4 348 km
> 100 km12
> 160 km11
> 200 km2
> 24h5
> 48h2
Longest race254,3 km
14th Pulse Endurance Runs (Pickled Feet) 48 Hour — 13/3/2025

Km per year (ultra races)

683
7 races
2022
591
8 races
2023
895
7 races
2024
719
9 races
2025
399
6 races
2026

Race types (share of distance)

Road17,4%
Trail78,1%
Elim.4,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km4h47'46100 km12h30'1350 mi8h50'54100 mi21h59'1612 h74,35 km24 h149,67 km48 h254,34 kmBackyard15 loops

HISTORY

49 race(s)
DateRacePerf.Rk
2026
15.08 12h USA2nd One Step Closer 74.351 km17
14.06 50km USA13th Mary's Peak 50k Ultra Trail Race 9:23:18 h63
25.04 Backyard Ultra USA5th Banana Slug Backyard 24 93.884 km (14h)20
27.03 50mi USA16th Badger Mountain 50 Mile Challenge 12:03:23 h61
14.02 50km USA25th Hagg Lake Trail Runs 50K 6:17:28 h32
17.01 50km USA22nd Capitol Peak MegaFatAss 6:41:22 h39
2025
13.12 50km USA16th Frozen Trail Runfest 6:51:37 h42
06.12 50km USA1st Salem 50K 5:01:02 h11
08.11 50km USA4th Willapa Trail Festival 50km Race 4:57:59 h7
01.11 50km USA12th Silver Falls Trail Run 7:06:32 h109
26.07 50km USA33rd White River 50 km Endurance Run 9:07:11 h95
21.06 100km USA7th Strawberry Field Forever 100 km Trail Race 15:12:00 h12
03.05 50km USA30th McDonald Forest 50K Trail Run 7:37:51 h130
13.04 40mi USA22nd Peterson Ridge Rumble 40 Mile Trail Run 7:33:41 h28
13.03 48h USA14th Pulse Endurance Runs (Pickled Feet) 48 Hour 254.340 km2 🥈
2024
14.12 50km USA22nd Pigtails Run 50K 5:07:21 h9
01.11 48h USA7th Dia De Los Muertos Endurance 48 Hour Run 223.647 km3 🥉
28.09 100mi USA1st Crown Stub 100 25:48:35 h7
07.09 50km USA7th Wy’east Wonder 50 km Trail Race 7:49:27 h128
28.06 100mi USA4th The Yeti 100 Mile Endurance Run-Washington 24:06:48 h28
25.05 100km USA13th Pigtails Challenge 100 km 12:30:13 h5
23.03 24h USA22th Pacific Rim One Day 149.668 km4
2023
04.11 50km USA10th Silver Falls Trail Run 7:09:27 h104
07.10 Backyard Ultra USA5th Lastest Not Fastest Backyard - North Bonneville course 99.698 km23
26.08 50km USA6th Secret Beach 50 km Race 7:06:38 h8
22.07 50km USA5th Wy'east Howl 50km Race 10:18:46 h70
23.06 100mi USA3rd The Yeti 100 Mile Endurance Run-Washington 21:59:16 h13
06.05 50mi USA7th Tillamook Burn Trail Run 50 Mile 12:23:12 h96
18.02 50km USA22th Hagg Lake Trail Runs 50K 5:39:01 h35
04.02 50km USA11th Bristow Trail Run 4:47:46 h8
2022
05.11 50km USA9th Silver Falls Trail Run 6:04:20 h51
24.09 100mi USA10th Mountain Lakes 100 25:57:47 h60
11.06 100mi USA4th Strawberry Field Forever 100 Mile Trail Race 24:01:47 h4
14.05 50km USA9th Mary's Peak 50k Ultra Trail Race 5:58:35 h14
23.04 50km USA6th Tillamook Burn Trail Run 50 km 7:11:56 h66
25.03 100mi USA12th Badger Mountain 100 Mile Challenge 29:02:35 h39
19.02 50km USA21th Hagg Lake Trail Runs 50K 6:01:24 h62
2021
06.11 50km USA8th Silver Falls Trail Run 6:18:31 h51
28.08 100mi USA1st Oregon Cascades 100 Mile Race 29:48:41 h65
26.06 50km USA3rd Strawberry Field Forever 50 km Trail Race 7:35:50 h15
15.05 50mi USA8th Mary's Peak 50 Mile Ultra Trail Race 11:54:53 h26
2019
02.11 50km USA6th Silver Falls Trail Run 6:10:39 h61
21.09 100mi USA7th Mountain Lakes 100 28:10:23 h98
17.08 50mi CAN8th Squamish 50mi 14:25:34 h280
29.03 100mi USA9th Badger Mountain 100 Mile Challenge 28:38:21 h60
2018
27.10 50mi USA17th ORRC Autumn Leaves 50 Mile Run 8:50:54 h15
16.06 50mi USA1st Wy’east Wonder 50 Mile Trail Race 11:56:16 h103
08.04 35mi USA16th Peterson Ridge Rumble 35 Mile Trail Run 6:34:22 h71
2017
04.11 50km USA4th Silver Falls Trail Run 6:19:05 h87