Catherine Lawson

Born : 1982 Cat. W40 Ultrarunner since 2010

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

Italy

Sweden

United States

36,8%

Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 1 578; Σ finishers = 4 285. 1 578 / 4 285 × 100 = 36.83%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed17

Km — ultra races1 725 km

> 100 km5

> 160 km4

> 24h1

Longest race160,9 km

1st Arctic Ultra 100M — 30/1/2015

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road27,4%

Trail72,6%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F0

🏅 Top 30

🏅 Top 3 F1

Longest winning streak0

Current streak0

Records

100 km9h49'52 50 mi8h26'12 100 mi23h28'06 12 h75,00 km 24 h132,00 km

HISTORY

17 race(s) · 3 split(s) nested

Date		Race	Perf.	Rk
2018
10.11	50mi	5th Tunnel Hill 50 Mile Race	14:08:46 h	357
2015
21.06	12h	Trailblaster 12h Endurance Ultra	75.000 km	14
30.01	100mi	1st Arctic Ultra 100M	31:00:00 h	22
2014
17.05	50mi	1st Apocalypse 50 Mile	17:02:49 h	43
26.04	61mi	52nd The Fellsman	25:53:00 h	261
2013
15.06	100mi	2nd South Downs Way 100 Mile Race	23:28:06 h	85
12.01	45mi	GB Ultra Country to Capital	8:19:40 h	157
2012
20.10	50mi	30th Rowbotham's Round Rotherham	10:12:40 h	110
22.09	24h	22nd Self-Transcendence 24 Hour Track Race Tooting Bec	132.000 km	28
22.09	50km	22nd Self-Transcendence 24 Hour Track Race Tooting Bec - 50km Split	5:13:40 h	17
22.09	50mi	22nd Self-Transcendence 24 Hour Track Race Tooting Bec - 50mi Split	9:41:30 h	21
22.09	100km	22nd Self-Transcendence 24 Hour Track Race Tooting Bec - 100km Split	12:53:11 h	24
03.03	100mi	1st Thames Path 100	27:03:00 h	99
2011
15.10	50mi	29th Rowbotham's Round Rotherham	8:31:32 h	31
17.09	40mi	25th High Peak 40 Mile Challenge	7:40:00 h	44
28.05	100km	39^ 100 km del Passatore, Firenze-Faenza	9:49:52 h	89
30.04	53mi	6th Highland Fling Race 53 Mile	10:41:35 h	97
12.03	32mi	Haworth Hobble 32 Miles	5:37:25 h	94
2010
16.10	50mi	28th Rowbotham's Round Rotherham	8:26:12 h	24
23.07	100mi	Lakeland 100 Mile	36:10:22 h	40

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	30/1/2015	1st Arctic Ultra 100M	160,93	×4
✓ 2	15/6/2013	2nd South Downs Way 100 Mile Race	160,93	×4
✓ 3	3/3/2012	1st Thames Path 100	160,93	×4
✓ 4	23/7/2010	Lakeland 100 Mile	160,93	×4
✓ 5	22/9/2012	22nd Self-Transcendence 24 Hour Track Race Tooting Bec	132,00	×3
✓ 6	28/5/2011	39^ 100 km del Passatore, Firenze-Faenza	100,00	×2
✓ 7	26/4/2014	52nd The Fellsman	98,17	×2
✓ 8	30/4/2011	6th Highland Fling Race 53 Mile	85,30	×2
✓ 9	10/11/2018	5th Tunnel Hill 50 Mile Race	80,47	×2
✓ 10	17/5/2014	1st Apocalypse 50 Mile	80,47	×2
✓ 11	20/10/2012	30th Rowbotham's Round Rotherham	80,47	×2
✓ 12	15/10/2011	29th Rowbotham's Round Rotherham	80,47	×2
✓ 13	16/10/2010	28th Rowbotham's Round Rotherham	80,47	×2
✓ 14	21/6/2015	Trailblaster 12h Endurance Ultra	75,00	×1
✓ 15	12/1/2013	GB Ultra Country to Capital	72,42	×1
✓ 16	17/9/2011	25th High Peak 40 Mile Challenge	64,37	×1
✓ 17	12/3/2011	Haworth Hobble 32 Miles	51,50	×1