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Trail Running Calendar near Onkaparinga Hills 2026-2027

Explore the top trail runs near Onkaparinga Hills for 2026-2027! We've gathered 12 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

September 2026
Sep
6
Su

TRSA - Cleland National Park

Trail Run UTMB 20K 9 km 16 km Half Marathon
Trail runs through Cleland National Park near Mount Lofty with scenic bushland trails, multiple distances from 1 km kids run to 21 km, on-course drink stations and medals.
Sep
25
Fr

Operation Flinders City to Summit

Urban Trail
A 21 km fundraising trek from Adelaide CBD to Mt Lofty Summit and Woodhouse Activity Centre on 25 September 2026, featuring activity stops and fundraising for the Operation Flinders Foundation.
Sep
27
Su

Yurrebilla Trail 56Km Ultra

Trail Run 13 km 26 km 28 km 56 km
A supported 56 km trail through national parks, gorges and waterfalls on the Adelaide Hills western face, held 27 September 2026 with timing, aid stations and awards.
October 2026
Oct
11
Su

TRSA On the Trails – Mount Bold

Trail Run UTMB 20K 10 km 19 km 25 km 35 km
Trail running around Mount Bold Reservoir with five distances, UTMB Index long courses, drink stations and on-site race services in a conservation setting.
November 2026
Nov
22
Su

ATR Summer Series - Cleland National Park

Trail Run 5 km 8 km 13 km 18 km
A six-race trail series across South Australia including two Cleland National Park rounds, multiple course distances and a points-based season culminating at Port Elliot in March 2027.
Nov
28-29
Sa - Su

Dusk to Dawn 6/12

Backyard Ultra
A dusk to dawn time-based ultra on an AIMS-certified 2.56464 km riverside loop near Glenelg with a single aid station, rotating course direction every three hours, chip timing and complimentary finisher medals.
December 2026
Dec
13
Su

ATR Summer Series - Bridgewater

Trail Run 5 km 10 km 14 km 20 km
Bridgewater is the second race of the Adelaide Trail Runners Summer Series 2026-27 on 13 December, contributing series points under the stated points and qualification rules.
January 2027
Jan
17
Su

ATR Summer Series - Belair National Park

Trail Run 5 km 10 km ... 20 km 27 km
Belair National Park hosts Race 3 of the ATR Summer Series 2026-27 featuring the Belair XL 27 km as part of the XL series with a 4 hour cut-off.
February 2027
Feb
21
Su

ATR Summer Series - Cleland South

Trail Run
Part of Adelaide Trail Runners sixth Summer Series, Race Number 5 will be held at Cleland National Park on February 21, 2027.
Feb
28
Su

Belair Marathon

Trail Run 5 km 10 km ... Marathon 50 km
Trail running in Belair National Park with distances from 5 km to a 50 km ultra, featuring steep elevation and historic park scenery.
May 2027
May
14
Fr

No Time To Die Frontyard Ultra

Backyard Ultra 7 km
A backyard ultra at Victoria Park, Adelaide where runners complete a 6.71 km loop each hour until only one remains, with a spectator-friendly village and volunteer incentives.
July 2027
Jul
10-11
Sa - Su

Ultra Adelaide

Trail Run Half Marathon 35 km ... 104 km 162 km
A multi-distance trail ultra from the Adelaide Hills to the riverfront, featuring mapped aid stations, mandatory gear lists, shuttle transport and UTMB Index races.
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