Julian Ayres
Born : 1985 Cat. M40 Ultrarunner since 2015 GBR
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
60
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
3
Countries visited ?GBRUnited KingdomROURomaniaTURTürkiye
17,5%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 641; Σ finishers = 3 655. 641 / 3 655 × 100 = 17.54%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed48
Km — ultra races4 974 km
> 100 km14
> 160 km10
> 200 km5
> 24h2
Longest race431,3 km
Summer Spine Race — 18/6/2023

Km per year (ultra races)

735
5 races
2022
756
4 races
2023
667
5 races
2024
493
4 races
2025
604
2 races
2026

Race types (share of distance)

Trail88,9%
Stage7,6%
Elim.3,5%

Wins & podiums (ultra)

🏆 Win5
🏆 Win M5
🏅 Top 39
🏅 Top 3 M10
Longest winning streak1
Current streak0

HISTORY

43 race(s)
DateRacePerf.Rk
2026
08.08 215mi GBRRace Across Scotland 215 Mile 3d 06:55:49 h15
14.06 160mi GBRSummer Spine Challenger North 2d 06:41:05 h12
2025
11.10 32mi GBRThe Loop Ultra 4:31:05 h1 🏆
26.07 62mi GBRBeacons Way Ultra 63 14:35:42 h12
14.06 108mi GBRSummer Spine Challenger South 30:49:49 h5
16.05 168km GBR7th Ultra-Trail Snowdonia - 100mi 44:51:13 h108
2024
23.08 180mi GBRKing Offa's Dyke Race 2d 18:11:00 h6
03.08 53km GBRSnowdonia Sea2Sky 53k 5:47:07 h13
27.07 63mi GBRBeacons Way Ultra 63 16:09:46 h10
14.07 49km GBRTittesworth 50k Ultra 4:44:02 h6
13.01 108mi GBR12th Winter Spine Challenger South 34:36:01 h16
2023
29.07 100mi GBRPeak District 100 28:50:46 h7
18.06 268mi GBRSummer Spine Race 4d 15:05:18 h9
06.05 60mi GBRPilgrims Ultra 60mi 11:52:58 h4
14.01 42mi GBRWinter Run to the Castle Ultra 6:42:22 h1 🏆
2022
19.11 37.5mi GBR4th Pen Llyn Ultra Winter Edition 6:17:36 h7
05.09 380km/6stages GBR7th Dragon's Back Race 2d 18:46:53 h21
02.07 75mi GBR6th Pen Llyn Ultra 75mi 16:37:18 h2 🥈
03.06 Backyard Ultra GBR1st Lionsgate Backyard Ultra 80.472 km (12h)22
16.04 Backyard Ultra GBR2nd The Cow Shed Backyard Ultra 93.884 km (14h)31
2021
18.09 50mi GBR4th Mount Snowdon Ultra 50 11:10:38 h5
19.06 30.3mi GBRThe Howum - Heart of Wales Ultra Marathon 4:38:00 h4
2020
29.02 50mi GBRChester Ultra 50 Miles 7:46:00 h13
25.01 40mi GBRWinter Wychavon Way 6:43:19 h9
2019
09.11 59.2km GBR2nd Pen Llyn Ultra Winter Edition 6:14:47 h7
12.10 50mi GBR2nd Mount Snowdon Ultra 50 14:52:00 h27
29.06 124.5km GBR4th Pen Llyn Ultra 75mi 17:32:59 h7
11.05 84.6km GBR2nd Ultra-Trail Snowdonia UTS50 17:37:59 h47
2018
08.12 40mi GBRWinter Run to the Castle Ultra 7:57:11 h17
17.11 15:17h GBRThe Sunset to Sunrise Challenge 45.093 km13
10.11 55km GBR1st Pen Llyn Ultra Winter Edition 6:44:13 h7
20.10 119km TUR5th Cappadocia 119 km Ultra-Trail 18:22:08 h76
18.08 40mi GBRRun to the Castle Ultra 6:50:05 h1 🏆
28.04 100mi GBRLiverpool to Manchester (L2M) Double Ultra 21:36:00 h7
2017
27.12 7:41h GBRSunrise to Sunset Challenge 76.960 km3 🥉
09.12 40mi GBRWinter Run to the Castle Ultra 11:43:50 h33
19.08 40mi GBRRun to the Castle Ultra 6:51:06 h1 🏆
20.05 50km ROUTransylvania Half Hundred 9:31:57 h81
25.03 50mi GBRChester Ultra 50 Miles 8:22:00 h8
2016
10.12 40mi GBRWinter Run to the Castle Ultra 7:06:49 h4
20.08 40mi GBRRun to the Castle Ultra 6:42:51 h1 🏆
20.02 36mi GBRWinter Railway Ultra 5:07:36 h3 🥉
2015
12.12 40mi GBRWinter Run to the Castle Ultra 7:14:02 h2 🥈