Magdalena Lewy Boulet
ID 481640
Born : 1973 Cat. W50 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.
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
7
Countries visited ?FRAFranceHKGHong KongITAItalyMARMoroccoNZLNew ZealandUAEUnited Arab EmiratesUSAUnited States
4,7%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 730; Σ finishers = 15 395. 730 / 15 395 × 100 = 4.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed48
Km — ultra races3 497 km
> 100 km12
> 160 km9
> 200 km3
Longest race270,0 km
40. Marathon des Sables Legendary — 5/4/2026

Km per year (ultra races)

2022
2023
2024
2025
270
1 race
2026

Race types (share of distance)

Trail74,1%
Stage25,9%

Wins & podiums (ultra)

🏆 Win1
🏆 Win F18
🏅 Top 35
🏅 Top 3 F27
Longest winning streak1
Current streak0

Records

50 km3h53'09100 km9h51'2750 mi7h06'12100 mi19h05'21

HISTORY

32 race(s)
DateRacePerf.Rk
2026
05.04 270km/6stages MAR40. Marathon des Sables Legendary 37:31:22 h158
2021
26.06 100mi USA48th Western States 100 Mile Endurance Run 22:12:19 h30
2020
11.12 270km/6stages UAE1st Al Marmoom Ultramarathon Desert 37:27:59 h2 🥈
22.02 50km USA10th Chabot Trail Run 4:13:07 h2 🥈
2019
17.08 100mi USA37th Leadville Trail 100 Mile 20:18:07 h11
13.04 50mi USA11th Lake Sonoma 50 Mile Race 7:59:17 h27
02.02 130km/2stages HKG3rd The 9 Dragons - 50/50 22:18:41 h9
2018
28.07 50km USA4th Pikes Peak Ultra 50 km 5:50:27 h5
08.04 237km/6stages MAR33. Marathon des Sables Maroc 25:11:19 h14
2017
01.09 167.7km FRA15ème Ultra Trail Tour du Mont Blanc 31:10:53 h168
24.06 100mi USA44th Western States 100 Mile Endurance Run 19:49:15 h17
15.04 50mi USA9th Lake Sonoma 50 Mile Race 7:32:59 h12
11.02 102km NZL9th Tarawera 100 km Ultramarathon 9:20:13 h11
2016
03.12 50mi USA10th Endurance Challenge - California Trail 50 Mile 7:06:12 h21
15.10 50km USA3rd Overlook Endurance Run 50K 4:09:52 h5
26.08 170km FRA14ème Ultra Trail Tour du Mont Blanc 28:18:05 h50
09.07 50km USA9th Speedgoat 50k 7:30:10 h36
07.05 100km USA3rd The Canyons Endurance 100 km Run 10:58:03 h4
2015
26.09 100km USA5th Ultra Race of Champions (UROC) 100K 10:03:29 h5
28.08 101km ITA10ème Courmayeur-Champex-Chamonix 14:02:47 h17
27.06 100mi USA42nd Western States 100 Mile Endurance Run 19:05:21 h20
02.05 100km USA2nd The Canyons Endurance 100 km Run 11:32:27 h3 🥉
19.04 50km USA7th Diablo Trails Challenge 4:34:22 h2 🥈
21.03 50km USA23rd Chuckanut 50K 4:13:44 h10
07.02 100km USA2nd Sean O'Brien 100 km Trail Race 9:51:27 h7
2014
06.12 50mi USA8th Endurance Challenge - California Trail 50 Mile 7:08:09 h24
26.10 73km FRA20ème La Grande Course des Templiers 8:02:40 h33
21.09 50km USA5th Flagline Trail Fest 50K 4:10:49 h9
06.09 50km USA1st Overlook Endurance Run 50K 3:55:19 h1 🏆
01.06 50mi USA2nd Cayuga Trails 50 Mile Race 8:22:00 h16
08.03 50km USA25th Way Too Cool 50K Endurance Run 3:53:09 h10
2013
07.12 50mi USA7th Endurance Challenge - California Trail 50 Mile 7:31:12 h23