Cassandra Scallon
ID 126097
Born : 1982 Cat. W40 Ultrarunner since 2006 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
8
Countries visited ?AUSAustraliaCANCanadaESPSpainFRAFranceHKGHong KongRSASouth AfricaSWESwedenUSAUnited States
6,6%
Rank quotient ?This runner's calculation uses 55 eligible race(s): Σ(rank − 1) = 2 233; Σ finishers = 33 953. 2 233 / 33 953 × 100 = 6.58%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed57
Km — ultra races4 316 km
> 100 km5
> 160 km2
> 24h3
> 48h1
Longest race187,8 km
7th Big Dog's Backyard Ultra — 20/10/2018

Km per year (ultra races)

67
1 race
2022
104
1 race
2023
2024
67
1 race
2025
2026

Race types (share of distance)

Road9,7%
Trail78,6%
Stage3,5%
Elim.5,9%
?2,4%

Wins & podiums (ultra)

🏆 Win2
🏆 Win F22
🏅 Top 37
🏅 Top 3 F32
Longest winning streak2
Current streak0

Records

50 km4h15'20100 km9h12'5050 mi5h19'05100 mi24h49'2612 h66,95 km24 h103,77 kmBackyard28 loops

HISTORY

55 race(s) · 2 split(s) nested
DateRacePerf.Rk
2025
03.05 12h USA1st Glorieta 12 Hour Endurance Run - 12h 66.948 km9
2023
16.06 24h USA6th Six Days in the Dome - The Redux 24h 103.768 km39
2022
14.05 Backyard Ultra USA3rd Sky Pilots Ouray Backyard Ultra 67.060 km (10h)35
2021
24.04 50mi USA8th Jackpot Ultra Running Festival 50 Mile Race 13:39:32 h16
2019
11.05 73km ESP11. Transvulcania 2019 12:37:34 h339
13.04 50mi USA11th Lake Sonoma 50 Mile Race 7:58:27 h26
03.02 50km USA15th Calico Trail Run 50 km 4:43:37 h6
2018
20.10 Backyard Ultra USA7th Big Dog's Backyard Ultra 187.768 km (28h)19
12.05 73km ESP10. Transvulcania 2018 10:49:22 h179
2017
02.12 50mi USA5th Ray Miller 50 Mile Trail Race 7:38:58 h2 🥈
13.05 73km ESP9. Transvulcania 2017 9:22:28 h83
09.04 50km USA7th Gorge Waterfalls 50k 4:46:36 h6
25.03 35mi USA19th Santa Barbara Nine Trails 35 Mile Endurance Run 6:20:10 h2 🥈
07.01 50km USA2nd La Cuesta Ranch Trail Run 4:59:22 h3 🥉
2016
03.12 50mi USA10th Endurance Challenge - California Trail 50 Mile 8:09:59 h71
23.10 76km FRA22ème Festival des Templiers - Le Grande Course 9:27:27 h98
20.08 90km SWE3rd Ultravasan90 7:27:55 h25
29.05 89km RSA91st Comrades Marathon - Down Run 7:20:29 h457
09.04 100km USA10th Mad City 100K Road Race 9:12:50 h8
09.01 100km USA16th Bandera 100 km Ultratrail 9:19:46 h5
2015
25.10 73km FRA21ème Festival des Templiers - Le Grande Course 8:28:06 h45
22.08 50mi CAN4th Squamish 50mi 8:37:32 h7
30.05 84km FRA5th IAU Trail WC Annecy (4ème La Maxi Race du Lac d'Annecy) 10:59:44 h98
16.05 100km AUS8th The North Face 100 Australia 12:39:40 h89
11.04 50mi USA7th Lake Sonoma 50 Mile Race 7:22:09 h18
21.03 50km USA23rd Chuckanut 50K 4:29:03 h22
2014
26.10 73km FRA20ème La Grande Course des Templiers 8:36:15 h66
06.09 100km USA4th Ultra Race of Champions (UROC) 100K 12:12:09 h9
16.08 50mi CAN3rd Squamish 50mi 9:36:43 h26
26.07 50km USA3rd Mount Werner Classic 50K Trail Run 6:04:03 h29
01.03 50km HKG2nd MSIG Sai Kung 50 6:00:59 h13
01.02 50mi USA1st Sean O'Brien 50 Mile Trail Race 7:38:16 h11
2013
07.12 50mi USA7th Endurance Challenge - California Trail 50 Mile 7:50:42 h33
20.10 50mi USA14th Tussey Mountainback 50 Miler 6:24:01 h3 🥉
13.09 100mi USA7th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 24:49:26 h18
03.08 50km USA2nd Mount Werner Classic 50K Trail Run 5:29:22 h11
11.05 50mi USA32nd Ice Age Trail 50 Mile Run 6:46:38 h10
13.04 50mi USA5th Lake Sonoma 50 Mile Race 7:47:42 h23
16.03 50km USA21th Chuckanut 50K 4:25:28 h30
16.02 55km USA7th Moab Red Hot 55k 4:40:58 h16
2012
12.05 50mi USA31st Ice Age Trail 50 Mile Run 9:46:05 h102
18.02 50km USA12th Hagg Lake Trail Runs 50K 4:15:20 h15
07.01 100km USA12th Bandera 100 km Ultratrail 9:40:20 h9
2011
19.11 50mi USA49th JFK 50 Mile 6:31:22 h14
09.10 50km USA25th Glacial Trail 50 km Race 4:15:34 h1 🏆
24.09 72mi USA16th Tahoe Midnight Express Ultra 72 Mile 10:52:16 h1 🏆
04.06 50km USA3rd Golden Gate Dirty 30 6:41:34 h54
14.05 50mi USA30th Ice Age Trail 50 Mile Run 8:22:55 h23
12.03 50mi USA7th Three Days of Syllamo 50 Mile Run 5:19:05 h8
11.03 50km USA7th Three Days of Syllamo 50 km Run 8:40:15 h6
11.03 150km/3stages USA7th Three Days of Syllamo Stage Race 16:16:33 h5
2010
10.10 50mi USA24th Glacial Trail 50 Mile Race 7:45:12 h2 🥈
08.05 50mi USA29th Ice Age Trail 50 Mile Run 8:01:25 h21
12.03 50km USA6th Three Days of Syllamo 50 km Run 5:26:18 h6
2006
13.05 50km USA25th Ice Age Trail 50 km Run 4:48:45 h16