Ian Lawson
ID 520255
Born : 1968 Cat. M55 Ultrarunner since 1994 GBR
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
2
Countries visited ?GBRUnited KingdomRSASouth Africa
33,3%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 39 765; Σ finishers = 119 262. 39 765 / 119 262 × 100 = 33.34%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races1 593 km
> 100 km2
Longest race156,1 km
The South Downs Way Devil's Challenge — 5/5/2018

Km per year (ultra races)

2022
2023
2024
90
1 race
2025
86
1 race
2026

Race types (share of distance)

Road45,6%
Trail28,8%
Stage25,7%

Records

50 km5h00'04

HISTORY

20 race(s)
DateRacePerf.Rk
2026
14.06 86km RSA99th Comrades Marathon - Up Run 11:04:35 h12026
2025
08.06 90km RSA98th Comrades Marathon - Down Run 11:09:58 h12135
2020
07.03 48km GBRHumanity Direct Amersham Ultra 5:14:48 h39
2019
21.09 51.8km GBRHumanity Direct Tring Ultra 5:52:24 h49
09.06 87km RSA94th Comrades Marathon - Up Run 9:19:22 h3486
09.03 50km GBRHumanity Direct Amersham Ultra 5:28:38 h64
2018
10.06 90km RSA93rd Comrades Marathon - Down Run 9:13:44 h3442
05.05 97mi/3stages GBRThe South Downs Way Devil's Challenge 18:44:58 h14
10.03 50km GBRHumanity Direct Amersham Ultra 5:23:53 h34
2017
04.06 87km RSA92nd Comrades Marathon - Up Run 9:41:43 h3662
29.04 97mi/3stages GBRThe South Downs Way Devil's Challenge 19:05:24 h14
11.03 50km GBRHumanity Direct Amersham Ultra 5:00:04 h19
2016
11.06 44.5mi GBR10th Cornwall Classic Quarter Ultra Marathon 11:06:26 h126
30.04 60mi/2stages GBRPony Express New Forest Multistage Ultra 11:50:07 h55
2015
10.10 83.1km GBRLakes in a day Ultra 50mi 20:01:01 h212
2012
08.12 33.6mi GBRCoastal Trail Series - Dorset Ultra 7:10:02 h30
2002
17.06 87km road race RSA77th Comrades Marathon - Up Run 8:48:28 h2194
1996
17.06 87km RSA71st Comrades Marathon - Up Run 7:48:42 h1196
06.04 56km RSA27th Two Oceans Marathon 4:03:49 h405
1994
02.04 56km RSA25th Two Oceans Marathon 4:13:11 h583