Sydney Lambert
Born : 1986 Cat. W40 Ultrarunner since 2011 USA
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
3
Countries visited ?FRAFranceITAItalyUSAUnited States
28,5%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 2 494; Σ finishers = 8 741. 2 494 / 8 741 × 100 = 28.53%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 344 km
> 100 km4
> 160 km2
Longest race171,0 km

Km per year (ultra races)

326
4 races
2022
292
4 races
2023
250
4 races
2024
200
3 races
2025
80
1 race
2026

Race types (share of distance)

Road2,1%
Trail97,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F10
🏅 Top 35
🏅 Top 3 F17
Longest winning streak0
Current streak0

HISTORY

31 race(s)
DateRacePerf.Rk
2026
18.07 50mi USA25th Tahoe Rim Trail 50M Endurance Run 14:37:01 h38
2025
08.11 50km USA9th Run the Rock 50 km 5:05:46 h24
26.04 100km USA12th The Canyons Endurance 100 km Run 13:23:44 h118
08.03 50km USA22nd Prickly Pear 50 km Trail Run 4:36:47 h9
2024
19.10 100km USA4th Lake Sonoma 100K & 50K 15:40:32 h68
28.09 50km USA1st Desert Wolf 5:30:31 h4
08.06 50km USA3rd Malibu Canyon Trail Races (SAMO 50 km) 5:05:37 h6
02.03 50km USA3rd Dos Senderos Trail - 50km 4:23:59 h2 🥈
2023
05.08 60km USA17th Capt'n Karl's Trail Series - Colorado Bend 7:46:43 h2 🥈
15.07 50mi USA22th Tahoe Rim Trail 50M Endurance Run 11:42:28 h6
29.04 101.4km USA10th The Canyons Endurance 100 km Run 12:35:46 h45
04.03 50km USA2nd Dos Senderos Trail - 50km 5:04:25 h4
2022
19.11 50mi USA60th JFK 50 Mile 7:33:17 h59
23.04 95.9km USA9th The Canyons Endurance 100 km Run 12:50:53 h97
02.04 50km USA23th Hells Hills 50km Race 4:53:12 h4
08.01 100km USA22nd Bandera 100 km Endurance Run 12:41:31 h61
2021
03.12 50km USA5th Tinajas Ultra 50 km 6:08:37 h2 🥈
07.11 50km USA6th The Hill Country Trivium 4:36:52 h2 🥈
27.08 171km FRA18ème Ultra Trail Tour du Mont Blanc 41:59:57 h792
27.06 60km USA15th Capt'n Karl's Trail Series - Pedernales Falls 7:32:37 h6
2018
29.08 119km ITA9ème Sur les Traces des Ducs de Savoie 27:56:01 h723
2016
23.10 50km USA3rd Elk-King’s 50 km Race 6:10:46 h17
26.08 170km FRA14ème Ultra Trail Tour du Mont Blanc 37:14:53 h325
30.07 50mi USA2nd Pikes Peak Ultra 12:22:45 h23
23.04 50km USA6th Cheyenne Mountain Trail Race 5:33:07 h20
02.04 50km USA16th Hells Hills 50km Race 5:04:05 h6
2015
12.12 50mi USA2nd Brazos Bend 100 - 50 Mile 8:38:22 h9
17.10 52mi USA2nd Indian Creek Fifties - 52 Miles 12:03:00 h15
26.09 50km USA1st Bigfoot Trail Race benefiting Back on My Feet Austin 4:53:42 h2 🥈
25.04 50mi USA2nd Brazos Bend 50 - 50 Mile 7:16:32 h4
2011
03.12 50km USA10th Woodside Trail Run 50K 5:48:54 h32