Saturday Jun 6

Longest Day Spa Trail en Walk

Spa - 21 km from Chaudfontaine

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The Longest Day Spa Trail en Walk will take place in Spa on Saturday 6 June 2026. This trail is organized by Runners' Lab Trailrun Series. You can run between 11 and 50 kilometers.

Sunday Jun 7

Ohm Trail

Aywaille - 14 km from Chaudfontaine

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The Ohm Trail will take place in Aywaille on Sunday 7 June 2026.

UTMB Index

Sunday Jun 14

Eifel-Marathon Waxweiler

Waxweiler - 77 km from Chaudfontaine

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The Eifel-Marathon Waxweiler will take place in Waxweiler on Sunday 14 June 2026. You can run between 10 and 51 kilometers.

Sunday Jun 21

Grenslaup Vosseven

Stramproy - 67 km from Chaudfontaine

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1 km

3 km

5 km

The Grenslaup Vosseven will take place in Stramproy on Sunday 21 June 2026. You can run 5 kilometers.

Sunday Jun 28

Calestrail

Hotton - 38 km from Chaudfontaine

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The Calestrail will take place in Hotton on Sunday 28 June 2026. You can run between 9 and 42 kilometers.

Sunday Jun 28

Marathon des Hautes Fagnes

Verviers - 18 km from Chaudfontaine

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0 km

42 km

The Marathon des Hautes Fagnes will take place in Verviers on Sunday 28 June 2026. You can run 42 kilometers.

Sat - Sun Jul 4-5

Chouffe Trail

Houffalize - 53 km from Chaudfontaine

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The Chouffe Trail will take place in Houffalize from Saturday 4 July 2026 to Sunday 5 July 2026. This trail is organized by Runners' Lab Trailrun Series.

Sun - Mon Aug 2-3

Ultra Trail Haute Ardenne

Waimes - 41 km from Chaudfontaine

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The Ultra Trail Haute Ardenne will take place in Waimes from Sunday 2 August 2026 to Monday 3 August 2026. You can run between 15 and 100 kilometers.

Sat - Sun Aug 8-9

Trail des Fantômes

La Roche-en-Ardenne - 46 km from Chaudfontaine

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The Trail des Fantômes will take place in La Roche-en-Ardenne from Saturday 8 August 2026 to Sunday 9 August 2026. This trail is organized by Runners' Lab Trailrun Series.