Catalina Island Marathon
Race Day Weather
Cool conditions, strategic pacing required
Runners will face a steady temperature of 53°F throughout the race, with humidity at 81%, prompting the need for hydration. Light winds will shift from tailwind to crosswind across various segments, providing some assistance during climbs, particularly from miles 1-4 and 11-16. Pacing adjustments are advisable, especially on the challenging climbs from miles 13 to 19, where maintaining effort will be crucial.
Pace Calculator
Get forecast alerts for Catalina Island Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized Catalina Island Marathon race plan
Weather-adjusted pacing, per-mile terrain splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.