Florian Nattero

Born : 1990 Cat. M35 Ultrarunner since 2012

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

France

United Kingdom

United States

12,4%

Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 189; Σ finishers = 1 523. 189 / 1 523 × 100 = 12.41%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed18

Km — ultra races3 320 km

> 100 km14

> 160 km11

> 200 km7

> 24h10

> 48h2

Longest race432,9 km

4ème No Finish Line Paris - 5d — 15/5/2019

Km per year (ultra races)

2022

215

2023

141

2024

546

2025

2026

Race types (share of distance)

Road54,7%

Trail10,9%

Elim.34,4%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M3

🏅 Top 36

🏅 Top 3 M8

Longest winning streak1

Current streak0

Records

50 km5h05'26 100 mi27h14'43 12 h113,00 km 24 h187,53 km 48 h226,61 km Backyard36 loops

HISTORY

18 race(s)

Date		Race	Perf.	Rk
2025
31.10	Backyard Ultra	6th Chartreuse Backyard Ultra	241.416 km (36h)	6
20.06	Backyard Ultra	4ème Backyard Bacqueville en Caux in Normandie Ultra	160.944 km (24h)	6
12.04	24h	1er Les 24 Tours Sans Venin	144.000 km	4
2024
21.06	Backyard Ultra	3ème Backyard Bacqueville en Caux in Normandie Ultra	140.826 km (21h)	4
2023
02.06	Backyard Ultra	2ème Backyard Bacqueville en Caux in Normandie Ultra	214.592 km (32h)	2 🥈
2019
15.05	5d	4ème No Finish Line Paris - 5d	432.900 km	6
16.02	Backyard Ultra	4. Last One Standing Castleward	241.416 km (36h)	3 🥉
2018
07.07	5d	9th Steep Camp 5 day Challenge	363.711 km	2 🥈
2017
27.12	24h	33rd Across the Years, 24h	187.534 km	2 🥈
02.09	12h	1st Jackrabbit Jubilee 12 Hour Run	113.000 km	1 🏆
2016
31.12	72h	32nd Across the Years, 72h	329.450 km	3 🥉
09.07	50km	2nd Capitol Reef 50K	8:07:47 h	19
17.06	50km	4th Bryce 50 km Trail Run	8:42:52 h	66
24.03	48h	5th Pulse Endurance Runs (Pickled Feet) 48 Hour	226.611 km	5
2015
29.12	24h	31st Across the Years, 24h	162.189 km	15
24.04	100mi	5th Salt Flats 100 Mile	27:14:43 h	15
21.03	50km	10th Antelope Island Buffalo Run 50 km	5:05:26 h	18
2012
06.11	50km	2nd Antelope Island 50K	5:47:40 h	30

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	15/5/2019	4ème No Finish Line Paris - 5d	432,90	×8
✓ 2	7/7/2018	9th Steep Camp 5 day Challenge	363,71	×6
✓ 3	31/12/2016	32nd Across the Years, 72h	329,45	×6
✓ 4	31/10/2025	6th Chartreuse Backyard Ultra	241,42	×4
✓ 5	16/2/2019	4. Last One Standing Castleward	241,42	×4
✓ 6	24/3/2016	5th Pulse Endurance Runs (Pickled Feet) 48 Hour	226,61	×4
✓ 7	2/6/2023	2ème Backyard Bacqueville en Caux in Normandie Ultra	214,59	×4
✓ 8	27/12/2017	33rd Across the Years, 24h	187,53	×3
✓ 9	29/12/2015	31st Across the Years, 24h	162,19	×3
✓ 10	20/6/2025	4ème Backyard Bacqueville en Caux in Normandie Ultra	160,94	×3
✓ 11	24/4/2015	5th Salt Flats 100 Mile	160,93	×3
✓ 12	12/4/2025	1er Les 24 Tours Sans Venin	144,00	×2
✓ 13	21/6/2024	3ème Backyard Bacqueville en Caux in Normandie Ultra	140,83	×2
✓ 14	2/9/2017	1st Jackrabbit Jubilee 12 Hour Run	113,00	×2
✓ 15	9/7/2016	2nd Capitol Reef 50K	50,00	—
✓ 16	17/6/2016	4th Bryce 50 km Trail Run	50,00	—
✓ 17	21/3/2015	10th Antelope Island Buffalo Run 50 km	50,00	—
✓ 18	6/11/2012	2nd Antelope Island 50K	50,00	—