Running
Marathon
42.2 km
Race month
December · 45°–66°
Distances
42.2k
Running
42.2 km
Finish-time calculator
Slide to your target pace — and see when you’ll hit the line.
6:00
min / km
4:13:10
Estimated finish · 42.2 km
Where am I when? · Splits
Estimates only · form, weather, and hills can change the result.
Monthly averages based on historical data (2000–present).
December
66°45°
What makes this race distinct — for training and race day.
The Operation Jack Marathon is an annual event focused on fighting autism, featuring a marathon, half marathon, and 5K. Join us to support a great cause while enjoying a challenging race in Los Angeles.
Various refreshments will be provided at aid stations throughout the race course.
Pacers will be available to assist runners in maintaining target finish times. Check your race packet for more details on specific pacing groups.
Assumed starting point
Estimating travel…
Official finisher lists are published by the race organiser.
View official resultsLast updated: Jun 5, 2026, 08:11:25 PM
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On your marks
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