Michael Sanderson

Born : 1973 Cat. M50 Ultrarunner since 2003

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 ?

Chile

China

United Kingdom

Hong Kong

Iceland

Morocco

South Africa

United States

17,9%

Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 4 632; Σ finishers = 25 853. 4 632 / 25 853 × 100 = 17.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44

Km — ultra races2 346 km

> 100 km7

> 160 km6

> 200 km6

Longest race250,0 km

16th Atacama Crossing (Chile) — 25/9/2022

Km per year (ultra races)

250

2022

2023

2024

2025

2026

Race types (share of distance)

Road13,8%

Trail24,5%

Stage61,7%

Records

100 km13h56'12 50 mi9h00'29

HISTORY

16 race(s)

Date		Race	Perf.	Rk
2022
25.09	250km/6stages	16th Atacama Crossing (Chile)	29:56:50 h	14
2015
31.05	250km/6stages	Gobi March China	29:55:10 h	6
2014
18.01	100km	4th Hong Kong 100 Ultra Trail Race	13:56:12 h	50
2013
04.08	250km/6stages	Racing the Planet - Iceland 2013	25:58:35 h	7
04.05	50mi	6th Endurance Challenge - New York Trail 50 Miles	9:12:25 h	16
23.02	50mi	3rd Febapple Frozen 50 Miles	9:00:29 h	5
2012
05.05	50mi	5th Endurance Challenge - New York Trail 50 Miles	9:29:09 h	22
04.03	250km/6stages	8th Atacama Crossing	32:06:14 h	22
2011
17.12	50mi	4th Lookout Mountain 50 Mile Race	9:32:25 h	31
2010
20.11	60km	30th NYRR Knickerbocker 60K	5:02:40 h	18
2009
30.03	202.2km/4stages	24. Marathon des Sables	24:10:54 h	36
2006
24.06	153km	22nd West Highland Way Race	25:58:20 h	38
2005
02.10	87.1km	55th London to Brighton Road Race	7:13:55 h	15
10.04	245.7km/6stages	20. Marathon des Sables	41:41:06 h	302
2004
16.06	87km road race	79th Comrades Marathon - Up Run	8:28:44 h	1403
2003
16.06	89km road race	78th Comrades Marathon - Down Run	8:51:19 h	2663

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	25/9/2022	16th Atacama Crossing (Chile)	250,00	×5
✓ 2	31/5/2015	Gobi March China	250,00	×5
✓ 3	4/8/2013	Racing the Planet - Iceland 2013	250,00	×5
✓ 4	4/3/2012	8th Atacama Crossing	250,00	×5
✓ 5	10/4/2005	20. Marathon des Sables	245,70	×5
✓ 6	30/3/2009	24. Marathon des Sables	202,20	×4
✓ 7	24/6/2006	22nd West Highland Way Race	153,00	×3
✓ 8	18/1/2014	4th Hong Kong 100 Ultra Trail Race	100,00	×2
✓ 9	16/6/2003	78th Comrades Marathon - Down Run (RSA)	89,00	×2
✓ 10	2/10/2005	55th London to Brighton Road Race	87,10	×2
✓ 11	16/6/2004	79th Comrades Marathon - Up Run (RSA)	87,00	×2
✓ 12	4/5/2013	6th Endurance Challenge - New York Trail 50 Miles	80,47	×1
✓ 13	23/2/2013	3rd Febapple Frozen 50 Miles	80,47	×1
✓ 14	5/5/2012	5th Endurance Challenge - New York Trail 50 Miles	80,47	×1
✓ 15	17/12/2011	4th Lookout Mountain 50 Mile Race	80,47	×1
✓ 16	20/11/2010	30th NYRR Knickerbocker 60K	60,00	×1