Ultra Running Hub Diamond Harbour, New Zealand · Sunday, October 18, 2026
Crater Rim Ultra 53km
Calculated from 53 km alone — the organiser has not published an elevation profile. Read 2.7 as a floor, not a verdict.
What the course asks
DUV results for the 2025 edition (53km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Regional 2001-2020 average for October — NASA POWER, grid elevation 76 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 53km | 232 | Jack Harris · 04:43:25 | Julia Grant · 05:50:17 |
| 2024 | 53km | 186 | Tom Chretien · 04:59:40 | Katie Smith · 06:13:21 |
| 2023 | 53km | 130 | Sam McCutcheon · 04:59:19 | Kate Loye · 06:02:11 |
| 2022 | 53km | 95 | Daniele Danesin · 04:45:28 | Katie Morgan · 05:41:08 |
| 2020 | 52km | 167 | Weston Hill · 04:38:31 | Nancy Jiang · 05:43:38 |
| 2019 | 52km | 134 | Vajin Luke Armstrong · 05:01:23 | Melanie Aitken · 05:57:44 |
| 2018 | 52km | 111 | Andrew Thompson · 05:12:30 | Nancy Jiang · 05:38:15 |
| 2017 | 50km | 54 | Weston Hill · 04:38:18 | Sia Svendsen · 06:19:21 |
The field grew 25% between 2024 (186) and 2025 (232). 27% of the 2025 field were women.
DUV results for the 2025 edition (53km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 53 km of trail.
- Trail Running Shoes 53 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 53 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 53 km, without the bounce.
- GPS Watches Battery life first — a 53 km day outlasts most full-GPS modes.
Overview
The Crater Rim Ultra 53km is a trail race around the crater rim of the Christchurch Port Hills, New Zealand, and will next take place on October 18, 2026. This 53km race is a fixed-distance event.
With 8 editions run since 2017, the Crater Rim Ultra has seen as many as 232 finishers in its most recent 2025 edition. Its field size is bigger than 93% of 50k fields, and smaller than 7% of 50k fields in a peer group of 2756 races.
Similar races
Other 50K trail ultras, closest in distance first.