Running Essentials

Running kit: Include enough shorts, socks, and shirts, noting they may not dry fully in the humidity.
Running vest or pack: To carry hydration, snacks, and gear.
Multiple pairs of running shoes: With sufficient traction for varied terrain, plus spare socks.
Trekking poles: Useful for steep trails or river crossings.
Spare running gear: In case of loss, damage, or excessive wear.
Hat/visor: For sun protection.
Sunglasses: Polarized for clear vision in bright conditions.

Camp Essentials

Sleeping gear: Lightweight sleeping bag or blanket, sleeping pad or mattress, pillow, and sleeping clothes.
Sandals or camp shoes: To relax your feet after stages.
Comfortable, breathable, fast-drying camp clothes: To manage humidity.
Ear plugs or noise-canceling headphones: For a restful sleep.
Fast-drying towel: For showers and cleaning.
Small packable umbrella: Handy for unexpected rain while at camp.

Food and Nutrition

Dehydrated meals, recovery shakes, and snacks: For supplementing meals.
Wet wipes and personal care kit: For hygiene and comfort.

Medical and Safety Gear

Blister and foot care kit: For preventing and treating hotspots.
Personal medications: Painkillers, anti-inflammatories, antihistamines, etc.
Insect repellent: Essential for avoiding mosquito and bug bites.
Anti-chafing cream and lip balm: To combat friction and dryness.
Toilet paper in a ziplock bag: For emergencies during stages.

Additional Gear

Swimming gear: For cooling off in rivers or the ocean.
Power bank or external battery: To charge devices if camp charging stations are full.
$200 USD in Costa Rican Colones: To purchase sodas, snacks, or essentials from local vendors along the course.

Additional Notes for Humid, Tropical Conditions

Prepare for daily rain showers and high humidity, which can cause items to stay damp.
Train with your gear before the race to ensure you’re comfortable with its weight and performance.
Plan for self-sufficiency during the stages, as aid stations may be far apart in remote locations.