Jennifer Song
Born : 1982 Cat. W40 Ultrarunner since 2015 USA
31
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
1
Countries visited ?USAUnited States
81,2%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 4 255; Σ finishers = 5 237. 4 255 / 5 237 × 100 = 81.25%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 196 km
> 100 km4
> 160 km3
> 24h2
Longest race160,9 km

Km per year (ultra races)

161
1 race
2022
190
3 races
2023
158
3 races
2024
2025
80
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0

HISTORY

31 race(s)
DateRacePerf.Rk
2026
10.01 50mi USA46th Avalon Benefit 50 Mile Run 12:28:26 h287
2024
19.10 50km USA3rd SAMO Trail Runs 9:24:04 h60
20.04 50km USA31st Leona Divide 50 km Run 10:50:43 h112
24.02 12h USA7th Silver Moon 12 Hour Race - Paso Robles 57.936 km10
2023
14.10 50km USA13th Kodiak Ultra Marathons by UTMB - 50K 10:01:02 h395
02.04 49.9km USA9th Gorge Waterfalls 50k 8:31:01 h194
04.03 24h USA6th Silver Moon Race 24 Hour Race 90.123 km4
2022
15.04 100mi USA12th Born to Run Ultra 100 Mile Marathon 30:52:39 h32
2021
20.11 50km USA1st Golden Gate Trail Classic 50 km Race 6:56:50 h150
29.05 24h USA4th Silver Moon 24 Hour Race - Paso Robles 119.091 km6
06.02 50km USA1st Elder Creek 50 km Trail Run 7:22:27 h33
2020
11.01 50km USA40th Avalon Benefit 50 km Run 8:31:19 h227
2019
01.12 50km USA33nd OTHTC High Desert 50K Ultra 7:20:48 h89
26.10 100mi USA17th Javelina Jundred 100 Mile Endurance Run 29:45:45 h422
28.09 75km USA10th Javelina Jangover Night Run 75K 11:22:28 h22
17.05 100mi USA9th Born to Run Ultra 100 Mile Marathon 39:03:50 h52
06.04 50mi USA27th Leona Divide 50 Mile Run 13:56:08 h93
12.01 50km USA39th Avalon Benefit 50 km Run 8:46:40 h224
2018
02.12 50km USA32nd OTHTC High Desert 50K Ultra 7:58:00 h138
27.10 100km USA16th Javelina Jundred 100 km Endurance Run 17:27:46 h120
07.07 50km USA13th Angeles National Forest 50k Trail Race 9:53:57 h78
31.03 50km USA3rd Valencia Trail Race 8:19:53 h106
13.01 46.5mi USA6th San Diego 50 Mile Trail 13:11:52 h134
2017
18.11 50km USA4th San Joaquin River Trail 50K Run 8:20:37 h38
07.04 55km USA6th The Zion 55 km Run 10:33:58 h277
04.03 50km USA1st Griffith Park Trail Marathon 7:40:39 h80
07.01 50mi USA37th Avalon Benefit 50-Mile Run 12:13:20 h179
2016
04.12 50km USA30th OTHTC High Desert 50K Ultra 7:12:50 h150
27.08 50km USA25th Bulldog 50k Ultra Run 8:07:17 h237
16.04 50km USA24th Leona Divide 50 km Run 8:09:50 h170
2015
06.12 50km USA29th OTHTC High Desert 50K Ultra 7:07:55 h167