Trail
SUM 100
100 km
Start: Jul 25, 07:00 AM
Sydney Ultra Marathons
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Trail in Australia, Sydney
Distances
Trail
SUM 50
50 km
Start: Jul 25, 07:30 AM
Trail
SUM 30
30 km
Start: Jul 26, 08:00 AM
About
Sydney Ultra Marathons (SUM) proves that one of the world’s biggest cities still has deep, wild bushland on its doorstep, offering serious ultra distances run through Ku-ring-gai Chase National Park, Garigal National Park, Manly Dam and surrounding reserves with competitive cut-off times for safety and compliance.
Catering & aid stations
Yes. All distances feature fully stocked aid stations at regular intervals. What is found at the aid stations is TBD.
Pacers
Unfortunately, pacers are not allowed for the Sydney Ultra Marathons.
Typical weather in Sydney
Monthly averages based on historical data (2000–present).
Jan26°19°
↑ 06:00
↓ 20:10
Feb25°19°
↑ 06:30
↓ 19:50
Mar24°18°
↑ 06:55
↓ 19:15
Apr22°15°
↑ 06:18
↓ 17:33
May19°12°
↑ 06:41
↓ 17:04
Jun17°10°
↑ 06:59
↓ 16:54
Jul16°9°
↑ 06:59
↓ 17:05
Aug18°9°
↑ 06:35
↓ 17:26
Sep20°11°
↑ 05:56
↓ 17:47
Oct22°14°
↑ 06:15
↓ 19:09
Nov23°16°
↑ 05:44
↓ 19:37
Dec25°18°
↑ 05:39
↓ 20:03
Sign up now
Register on the official organiser website.
Sign up nowWhat's included in entry
- Premium Event Shirt
- Free Race Photos
- Finishers Medal
- Aid Stations
FAQ
What is included with my entry?
Premium Event Shirt, Free Race Photos, Finishers Medal, Aid Stations, and everything else you expect from a world class event.
Where are the races held?
All races start from St Ives Showground, located approximately 27 minutes’ drive from the Sydney Harbour Bridge, within Ku-ring-gai Chase National Park, Garigal National Park, Manly Dam and surrounding reserves.
Are there cut-off times?
Yes. Cut-off times: SUM 100 — 25 hours (final cut-off 8:00 AM Sunday 26 July 2026); SUM 50 — 10 hours (final cut-off 5:30 PM Saturday 25 July 2026); SUM 30 — 5 hours (final cut-off 1:00 PM Sunday 26 July 2026).
Are pacers allowed?
No. Pacers are not allowed for the Sydney Ultra Marathons.
Is there a bag drop?
Yes. There will be a bag drop available at the start and finish line for all races. During the SUM 100 there will be a bag drop available during the race.
Do I need to bring my own gear?
Yes. All participants are required to carry the full list of mandatory gear from start to finish throughout the race. Random gear checks will be conducted before letting you into the starting corral.
Last updated: Jun 6, 2026, 12:03:49 AM
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