Andrew Layson
ID 218765
Born : 1961 Cat. M65 Ultrarunner since 2011 AUS
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
4
Countries visited ?AUSAustraliaFRAFranceITAItalyNZLNew Zealand
17,2%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 2 775; Σ finishers = 16 091. 2 775 / 16 091 × 100 = 17.25%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races3 571 km
> 100 km12
> 160 km7
> 200 km2
> 24h1
> 48h1
Longest race240,0 km
Coast to Kosci Ultramarathon — 11/12/2015

Km per year (ultra races)

406
4 races
2022
183
2 races
2023
203
2 races
2024
2025
127
2 races
2026

Race types (share of distance)

Trail97,2%
Elim.2,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0

Records

50 km3h59'19100 km12h24'4350 mi8h35'25100 mi24h30'00Backyard15 loops

HISTORY

38 race(s)
DateRacePerf.Rk
2026
26.04 45km AUSMt Solitary 45 km Ultra Race 6:53:36 h63
07.02 82km AUS45th Cradle Mountain Run 12:39:00 h32
2024
05.10 Backyard Ultra AUS2nd Sydney's Backyard Ultra 100.590 km (15h)77
17.02 102km NZL15th Tarawera 100 km Ultramarathon 14:20:44 h149
2023
28.10 80km AUSBondi to Manly Ultra 8:35:25 h66
11.02 103km NZL14th Tarawera 100 km Ultramarathon 13:19:37 h141
2022
05.11 80km AUSBondi to Manly Ultra 8:47:01 h46
03.09 120km AUSCairns to Port Douglas 120km 18:50:21 h6
06.08 45km AUSJabulani Challenge 45km 5:04:26 h15
24.06 100mi AUSUnreasonable East 100 Miler 28:17:59 h30
2019
18.05 100km AUS12th Ultra-Trail Australia 100 km 12:24:43 h65
07.04 45km AUSMt Solitary 45 km Ultra Race 5:44:16 h14
2018
31.08 171km FRA16ème Ultra Trail Tour du Mont Blanc 33:24:29 h239
05.05 80km AUSMargaret River Ultra 9:00:57 h6
08.04 45km AUSMt Solitary 45 km Ultra Race 5:32:51 h11
24.02 80km NZLThe Gazuntite 11:39:25 h4
2017
09.09 100mi AUSThe Great North Walk 100 Mile 24:30:00 h6
02.07 50km AUS1st Yaberoo Trail Ultra 3:59:19 h2 🥈
20.05 100km AUS10th Ultra-Trail Australia 100 km 13:04:12 h103
2016
08.10 68km AUSHounslow Classic Ultra SkyMarathon 11:29:48 h9
26.08 170km FRA14ème Ultra Trail Tour du Mont Blanc 38:52:51 h455
14.05 100km AUS9th Ultra-Trail Australia 100 km 12:44:47 h63
17.04 45km AUSMt Solitary 45 km Ultra Race 5:41:43 h14
2015
11.12 240km AUSCoast to Kosci Ultramarathon 34:36:19 h11
10.10 68km AUSHounslow Classic Ultra SkyMarathon 10:39:00 h14
12.09 100km AUSThe Great North Walk 100 km 12:25:00 h4
16.05 100km AUS8th The North Face 100 Australia 15:03:15 h275
14.03 45km AUS31st Six Foot Track 4:18:12 h79
2014
05.12 211km AUSCoast to Kosci Ultramarathon - Inclement Weather Finish 34:13:00 h24
13.09 100mi AUSThe Great North Walk 100 Mile 26:15:00 h11
27.06 119km ITA8^ Lavaredo Ultra Trail by UTMB - 120K 22:09:34 h254
17.05 50km AUS2nd The North Face 50 Australia 5:43:13 h18
08.03 45km AUS30th Six Foot Track 4:38:21 h145
12.01 64km AUSBogong to Hotham 9:23:59 h21
2013
09.03 45km AUS29th Six Foot Track 4:35:06 h102
2012
05.08 45km AUSMt Solitary 45 km Ultra Race 6:27:03 h26
2011
12.11 100km AUSThe Great North Walk 100 km 15:56:00 h10
12.03 45km AUS28th Six Foot Track 5:07:00 h203