Anna Liao
Born : 1980 Cat. W45 Ultrarunner since 2013 USA
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
48,5%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 3 087; Σ finishers = 6 363. 3 087 / 6 363 × 100 = 48.51%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races2 205 km
> 100 km2
> 160 km2
Longest race160,9 km

Km per year (ultra races)

60
1 race
2022
2023
100
2 races
2024
391
4 races
2025
55
1 race
2026

Race types (share of distance)

Road6,2%
Trail93,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F4
Longest winning streak0
Current streak0

HISTORY

32 race(s)
DateRacePerf.Rk
2026
07.03 55km USA12th Antelope Canyon 55 km Race 9:52:24 h192
2025
18.07 100mi USA9th High Lonesome 100 Mile 35:31:48 h125
07.06 50km USA5th The Great Divide Ultra Night Run 7:08:03 h8
31.05 50mi USA16th North Fork 50 Mile Trail Race 11:35:55 h32
03.05 100km USA28th Miwok 100k Trail Race 15:27:41 h256
2024
29.09 50km USA4th Sawatch Ascent 50km Race 8:51:11 h102
28.09 50km USA4th West Line Winder 50 km Race 6:19:52 h75
2022
29.07 60km USA8th Never Summer 60k 12:01:26 h174
2019
14.09 50mi USA13th Run Rabbit Run 50 Mile Endurance Run 12:54:59 h90
03.08 55km USA4th Silverton Ultra Dirty - 55K 12:32:37 h88
2018
22.09 60km CAN3rd The Golden Ultra 60 km Ultramarathon 11:56:41 h56
08.09 50km CAN4th Mount Robson Ultra Marathon 7:22:43 h108
2017
20.02 50km CAN11th Gord's Frozen Ass Fifty 4:57:22 h26
2016
10.09 50km CAN17th Lost Soul Ultra 50 km Race 6:43:39 h19
20.08 54km CAN2nd Black Spur Ultra 50k 8:31:14 h29
13.08 50mi CAN7th Iron Legs 50 Mile Mountain Race 14:25:00 h22
09.07 100mi CAN9th Sinister 7 Ultra 28:54:40 h60
16.04 50km USA6th Yakima Skyline Rim 50k 8:39:18 h93
12.03 50mi USA5th Marin Ultra Challenge 50 Mile Race 11:20:24 h62
20.02 50km USA2nd Run for Amma 50 km 6:27:00 h14
2015
31.12 12h USA6th New Years One Day 12 Hour Run 85.697 km8
06.12 50km USA7th Hunter S. Thompson Fear & Loathing 50 km 6:26:00 h15
12.07 50km USA12th Pacifica 50 km Trail Run 5:51:56 h12
30.05 50mi USA3rd San Francisco 50 Mile Endurance Run 12:14:41 h46
19.04 50km USA7th Diablo Trails Challenge 7:46:24 h74
2014
06.12 50mi USA8th Endurance Challenge - California Trail 50 Mile 11:58:58 h377
16.08 50mi CAN3rd Squamish 50mi 12:18:24 h107
03.05 100km USA19th Miwok 100k Trail Race 15:02:41 h263
08.03 50km USA25th Way Too Cool 50K Endurance Run 5:12:58 h210
2013
07.12 50km USA7th Endurance Challenge - California Trail 50 km 5:34:08 h46
12.10 50km USA5th Skyline to the Sea 50km 5:51:40 h40
09.03 50km USA24th Way Too Cool 50K Endurance Run 5:32:37 h290