Semi-Marathon International d'Alger (Algiers Half Marathon) takes place on Fri, Dec 18, 2026 in Algiers, Algeria. The main route is 21.1 km.
- Date
- Fri, Dec 18, 2026
- Start
- Algiers 🇩🇿
- Distance
- 21.1 km
- Level
- Open to all
Your 8-week plan to Semi-Marathon International d'Alger (Algiers Half Marathon)
The Build phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
Build my planFree to start · No credit card
The Semi-Marathon International d'Alger is an annual city race on 18 December 2026, starting at Stade Ferhani in Bab El Oued and covering a 21.0975 km half-marathon course through Algiers, with a 10 km race alongside. Organised under the Wilaya of Algiers and the Algerian Athletics Federation.
What this race demands
The Algiers Half Marathon demands sustained aerobic endurance and pacing discipline over a standard 21.1 km road distance.
Aerobic capacity
Covering the 21.1 km distance requires a well-developed aerobic engine to maintain a steady running pace from the start at Stade Ferhani through the streets of Algiers.
Impact durability
Running a half marathon on city roads places continuous load on the musculoskeletal system, requiring strong impact durability to prevent late-race fatigue.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
1:45–2:10
Peak-week training
5–7 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Your road to race day
Race day at Semi-Marathon International d'Alger (Algiers Half Marathon) is 8 weeks away. This is how a coach divides that time. The first phase starts now.
01Build2 weeks · Oct 24, 2026 – Nov 6, 2026
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
02Peak3 weeks · Nov 7, 2026 – Nov 27, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
03Taper2 weeks · Nov 28, 2026 – Dec 11, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
04Race week1 week · Dec 12, 2026 – Dec 18, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Semi-Marathon International d'Alger (Algiers Half Marathon)?
Semi-Marathon International d'Alger (Algiers Half Marathon) takes place on Fri, Dec 18, 2026 in Algiers, Algeria.
How long is Semi-Marathon International d'Alger (Algiers Half Marathon)?
The main route is 21.1 km.
What does Semi-Marathon International d'Alger (Algiers Half Marathon) demand?
The Algiers Half Marathon demands sustained aerobic endurance and pacing discipline over a standard 21.1 km road distance.
Who is Semi-Marathon International d'Alger (Algiers Half Marathon) for?
Semi-Marathon International d'Alger (Algiers Half Marathon) is open to all participants.
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