Tamatha Ryan

Born : 1968 Cat. W55 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

44,3%

Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 2 223; Σ finishers = 5 016. 2 223 / 5 016 × 100 = 44.32%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20

Km — ultra races2 014 km

> 100 km7

> 160 km7

Longest race169,0 km

Lakeland 100 Mile — 25/7/2025

Km per year (ultra races)

2022

2023

249

2024

169

2025

2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F0

🏅 Top 30

🏅 Top 3 F3

Longest winning streak0

Current streak0

Records

50 km4h44'18 50 mi9h04'26 100 mi23h46'23

HISTORY

20 race(s)

Date		Race	Perf.	Rk
2025
25.07	105mi	Lakeland 100 Mile	36:35:12 h	267
2024
26.07	105mi	Lakeland 100 Mile	38:53:44 h	364
18.05	50mi	13th North Downs Way 50 Mile Race	11:54:51 h	249
2023
01.05	50km	Big Way Round	6:00:24 h	84
2021
16.10	50km	Run to the Sea: Bournemouth	4:44:18 h	45
12.06	100mi	9th South Downs Way 100 Mile Race	25:43:28 h	201
2020
10.10	100mi	9th Autumn 100 Mile Race	23:46:23 h	96
05.09	100mi	9th Thames Path 100	23:46:50 h	106
08.08	103mi	10th North Downs Way 100 Mile Race	29:44:41 h	106
2019
28.12	50km	4th Winter Cross Ultra 50km	5:09:42 h	25
2018
13.10	100mi	7th Autumn 100 Mile Race	26:24:27 h	134
15.09	50mi	3rd Chiltern Wonderland 50 Mile Race	9:10:41 h	30
12.08	50km	Salisbury 54321 Trail Races	5:24:13 h	95
19.05	50mi	8th North Downs Way 50 Mile Race	9:04:26 h	28
11.03	33mi	The Imber Ultra	5:23:57 h	25
2017
25.11	50mi	2nd Wendover Woods 50	11:13:47 h	78
16.09	50mi	2nd Chiltern Wonderland 50 Mile Race	9:41:13 h	48
13.08	50km	Salisbury 54321 Trail Races	5:02:57 h	49
13.05	50mi	7th North Downs Way 50 Mile Race	10:18:08 h	98
08.04	50mi	5th South Downs Way 50 Mile Race	9:25:26 h	115

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	25/7/2025	Lakeland 100 Mile	168,98	×4
✓ 2	26/7/2024	Lakeland 100 Mile	168,98	×4
✓ 3	8/8/2020	10th North Downs Way 100 Mile Race	165,76	×4
✓ 4	12/6/2021	9th South Downs Way 100 Mile Race	160,93	×4
✓ 5	10/10/2020	9th Autumn 100 Mile Race	160,93	×4
✓ 6	5/9/2020	9th Thames Path 100	160,93	×4
✓ 7	13/10/2018	7th Autumn 100 Mile Race	160,93	×4
✓ 8	18/5/2024	13th North Downs Way 50 Mile Race	80,47	×2
✓ 9	15/9/2018	3rd Chiltern Wonderland 50 Mile Race	80,47	×2
✓ 10	19/5/2018	8th North Downs Way 50 Mile Race	80,47	×2
✓ 11	25/11/2017	2nd Wendover Woods 50	80,47	×2
✓ 12	16/9/2017	2nd Chiltern Wonderland 50 Mile Race	80,47	×2
✓ 13	13/5/2017	7th North Downs Way 50 Mile Race	80,47	×2
✓ 14	8/4/2017	5th South Downs Way 50 Mile Race	80,47	×2
✓ 15	11/3/2018	The Imber Ultra	53,11	×1
✓ 16	1/5/2023	Big Way Round	50,00	×1
✓ 17	16/10/2021	Run to the Sea: Bournemouth	50,00	×1
✓ 18	28/12/2019	4th Winter Cross Ultra 50km	50,00	×1
✓ 19	12/8/2018	Salisbury 54321 Trail Races	50,00	×1
✓ 20	13/8/2017	Salisbury 54321 Trail Races	50,00	×1