How many half marathons are there in Denholm?

1 upcoming, and 10 more within 100km if you are willing to drive. The next one is Mad Trapper Relentless — Ark Trail Race & Ultra on Saturday, October 3, 2026. Rebuilt from the race calendar daily.

When is the next half marathon in Denholm?

Mad Trapper Relentless — Ark Trail Race & Ultra, Saturday, October 3, 2026. Open it for the start time, distances and the official registration link.

No. Every listing links straight to the organizer's own registration page. RaceFinder never takes signups or a cut.

Half marathons in Denholm

1 upcoming in Denholm, and 10 more within 100km. Every one links to the organizer's official registration page.

5K races in Denholm 10K races in Denholm Half marathons across Quebec

Saturday, October 3, 2026
Mad Trapper Relentless — Ark Trail Race & Ultra
QC · Trail · 80km / 50km / 30km / 21km

More half marathons near Denholm

Everything within 100km, sorted by how far you would have to drive.

Sunday, October 11, 2026
BougeBouge Wakefield
Wakefield, QC · Trail · 21.1km / 10km / 5km / 3km
23 km
Saturday, May 1, 2027
Trail des Collines
Wakefield, QC · Trail · 80km / 50km / 32km / 22km
23 km
Sunday, May 2, 2027
Demi-Marathon des Collines
Wakefield, QC · Road · Half marathon / 10km / 5km / 1km
23 km
Sunday, August 22, 2027
Demi-marathon de la Voie verte
Chelsea, QC · Road · 21km / 5km / 1km · starts 8 a.m. · from $24
35 km
Saturday, October 24, 2026
Skinouk Trail 2026
Gatineau, QC · Trail · 25km / 20km / 10km / 5km
43 km
Sunday, October 11, 2026
The Maple Leaf March -- La Marche Maple Leaf
Ottawa, ON · Walk · 65km / 42km / 21km / 10km · starts 7 a.m. · from $40
44 km
Saturday, October 17, 2026
9runrun - Ottawa
Ottawa, ON · Road · 21km / 10km / 5km / 2km · starts 8 a.m. · from $30
44 km
Saturday, May 29, 2027
Tamarack Ottawa Race Weekend
Ottawa, ON · Road · 42.2km / 21.1km / 10km / 5km
44 km
Saturday, October 24, 2026
Race Around the Place
Carleton Place, ON · Road · 21km / 10km / 5km · starts 9 a.m. · from $53
81 km
Sunday, August 8, 2027
2027 Demi-Marathon Mont-Tremblant
Mont-Tremblant, QC · Road · 21km / 10km / 5km / 1km · starts 7 a.m. · from $48
97 km

New races in Denholm, once a month

Newly listed races, and the registrations closing in the next three weeks. One email a month, one click to leave.

Half marathons in Denholm — FAQ

How many half marathons are there in Denholm?: 1 upcoming, and 10 more within 100km if you are willing to drive. The next one is Mad Trapper Relentless — Ark Trail Race & Ultra on Saturday, October 3, 2026. Rebuilt from the race calendar daily.
When is the next half marathon in Denholm?: Mad Trapper Relentless — Ark Trail Race & Ultra, Saturday, October 3, 2026. Open it for the start time, distances and the official registration link.
Do I register here?: No. Every listing links straight to the organizer's own registration page. RaceFinder never takes signups or a cut.

Missing a race? Add it. Or browse every race in Denholm and half marathons across Canada.