Prepare the ingredients as instructed.
Prepare the cucumber salad: In a bowl, whisk together the rice wine vinegar, lime juice, fish sauce, honey, and a pinch of salt. Add in the cucumber, red onion, and chili pepper (if using) and toss gently. Let marinate at room temperature. Top with cilantro and peanuts.
Prepare the Pad Thai sauce: In a bowl, whisk together brown sugar, soy sauce, rice wine vinegar, lime juice, and fish sauce. Set aside.
Cook the noodles: Prepare rice noodles according to package instructions. Drain and set aside.
Grill the shrimp: Preheat a grill or grill pan over medium heat. Grill the shrimp on both sides to an internal temperature of 120F / 49C. Set aside.
Cook the pad thai: In a wok or pan, heat olive oil over medium heat. Saute the red bell pepper and carrots until they start to soften. Add the chicken and sauté to an internal temperature of 165°F/74°C. Add garlic; saute until fragrant about 30 seconds. Stir in the pad thai sauce until combined. Remove from the heat.
Toss in the noodles and shrimp.
Portion and top with cilantro, chopped peanuts, and lime wedges. Serve alongside Thai cucumber salad and coconut water.