David Lewis

Born : 1957 Cat. M65 Ultrarunner since 2017

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 ?

United Kingdom

Switzerland

89,1%

Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 5 736; Σ finishers = 6 437. 5 736 / 6 437 × 100 = 89.11%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20

Km — ultra races1 826 km

> 100 km4

> 160 km3

> 200 km1

Longest race289,0 km

4th Northern Traverse 300km — 1/4/2023

Km per year (ultra races)

136

2022

521

2023

203

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km7h04'57 50 mi11h24'43 100 mi39h22'11

HISTORY

20 race(s)

Date		Race	Perf.	Rk
2024
11.05	103km	7th Ultra-Trail Snowdonia - 100km	31:05:18 h	417
16.03	31mi	2nd Hundred Hills 50km	7:58:45 h	355
25.02	50km	4th North Downs Ridge 50km Ultra Race	7:13:59 h	191
2023
16.09	50mi	8th Chiltern Wonderland 50	12:41:16 h	180
24.06	32mi	5th Lakeland Five Passes Ultra	12:03:06 h	113
01.04	289km	4th Northern Traverse 300km	4d 03:56:22 h	56
18.03	31mi	1st Hundred Hills 50km	8:35:53 h	301
26.02	50km	3rd North Downs Ridge 50km Ultra Race	7:04:57 h	181
2022
25.08	56km	7ème Orsières-Champex-Chamonix	14:10:58 h	1102
09.04	50mi	10th South Downs Way 50 Mile Race	11:41:49 h	304
2021
06.11	50mi	5th Wendover Woods 50	14:59:33 h	170
23.07	100mi	Lakeland 100 Mile	39:45:57 h	329
22.05	50mi	10th North Downs Way 50 Mile Race	12:45:17 h	264
17.04	50mi	9th South Downs Way 50 Mile Race	12:10:54 h	312
2020
25.10	50mi	8th South Downs Way 50 Mile Race	11:46:34 h	246
12.09	50mi	5th Chiltern Wonderland 50	11:53:05 h	173
2019
26.07	100mi	Lakeland 100 Mile	39:22:11 h	241
18.05	50mi	9th North Downs Way 50 Mile Race	11:24:43 h	174
2018
19.05	50mi	8th North Downs Way 50 Mile Race	12:31:46 h	218
2017
28.07	50mi	Lakeland 50 Mile	15:30:49 h	429

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	1/4/2023	4th Northern Traverse 300km	289,00	×7
✓ 2	23/7/2021	Lakeland 100 Mile	160,93	×4
✓ 3	26/7/2019	Lakeland 100 Mile	160,93	×4
✓ 4	11/5/2024	7th Ultra-Trail Snowdonia - 100km	103,00	×2
✓ 5	16/9/2023	8th Chiltern Wonderland 50	80,47	×2
✓ 6	9/4/2022	10th South Downs Way 50 Mile Race	80,47	×2
✓ 7	6/11/2021	5th Wendover Woods 50	80,47	×2
✓ 8	22/5/2021	10th North Downs Way 50 Mile Race	80,47	×2
✓ 9	17/4/2021	9th South Downs Way 50 Mile Race	80,47	×2
✓ 10	25/10/2020	8th South Downs Way 50 Mile Race	80,47	×2
✓ 11	12/9/2020	5th Chiltern Wonderland 50	80,47	×2
✓ 12	18/5/2019	9th North Downs Way 50 Mile Race	80,47	×2
✓ 13	19/5/2018	8th North Downs Way 50 Mile Race	80,47	×2
✓ 14	28/7/2017	Lakeland 50 Mile	80,47	×2
✓ 15	25/8/2022	7ème Orsières-Champex-Chamonix (OCC)	56,00	×1
✓ 16	24/6/2023	5th Lakeland Five Passes Ultra	51,50	×1
✓ 17	25/2/2024	4th North Downs Ridge 50km Ultra Race	50,00	×1
✓ 18	26/2/2023	3rd North Downs Ridge 50km Ultra Race	50,00	×1
✓ 19	16/3/2024	2nd Hundred Hills 50km	49,89	×1
✓ 20	18/3/2023	1st Hundred Hills 50km	49,89	×1