diff --git a/AdvendOfCode.Runner/Program.cs b/AdvendOfCode.Runner/Program.cs
index 13db545..2f29638 100644
--- a/AdvendOfCode.Runner/Program.cs
+++ b/AdvendOfCode.Runner/Program.cs
@@ -10,7 +10,7 @@ IChallange challange = Host.CreateDefaultBuilder()
     .Build()
     .Services
     .GetService<SolutionManager>()
-    .GetChallange(2024, 4);
+    .GetChallange(2024, 5);
 
 Console.WriteLine($"Part 1: {await challange.GetSolutionPart1()}");
 
diff --git a/AdventOfCode.Solutions/2024/Day 04/Day04.cs b/AdventOfCode.Solutions/2024/Day 04/Day04.cs
index 4a1d5b2..e8d833b 100644
--- a/AdventOfCode.Solutions/2024/Day 04/Day04.cs	
+++ b/AdventOfCode.Solutions/2024/Day 04/Day04.cs	
@@ -33,7 +33,6 @@ namespace AdventOfCode.Solutions._2024
         //1888 
         public async Task<string> GetSolutionPart2()
         {
-            //_inputReader.SetSampleInput(true);
             Grid<Point> grid = await _inputReader.ReadToGrid<Point>();
             int total =  grid.FindWithValue('M').Where(p => IsValid(grid, p, 'S')).Count();
             total += grid.FindWithValue('S').Where(p => IsValid(grid, p, 'M')).Count();
diff --git a/AdventOfCode.Solutions/2024/Day 05/Day05.cs b/AdventOfCode.Solutions/2024/Day 05/Day05.cs
new file mode 100644
index 0000000..4af6713
--- /dev/null
+++ b/AdventOfCode.Solutions/2024/Day 05/Day05.cs	
@@ -0,0 +1,119 @@
+using AdventOfCode.Core.Shared.IO;
+
+namespace AdventOfCode.Solutions._2024
+{
+    public class Day05 : IChallange
+    {
+        public int Year => 2024;
+
+        public int Day => 5;
+
+        private readonly IInputReader _inputReader;
+
+        public Day05(IInputReader inputReader)
+        {
+            _inputReader = inputReader;
+            _inputReader.SetInput(this);
+        }
+
+        // 143
+        // 5651
+        public async Task<string> GetSolutionPart1()
+        {
+            int total = 0;
+            await foreach ((Rule[] rules, int[] updates) in GetUpdateWithRules(true))
+            {
+                total += updates[(updates.Length - 1) / 2];
+            }
+
+            return total.ToString();
+        }
+
+        // 123
+        // 4743
+        public async Task<string> GetSolutionPart2()
+        {
+            int total = 0;
+            await foreach ((Rule[] rules, int[] updates) in GetUpdateWithRules(false))
+            {
+                Rule[] requiredRules = rules;
+                int A = 0,
+                    runs = (updates.Length + 1) / 2;
+
+                for (int run = 0; run < runs; run++)
+                {
+                    int[] B = requiredRules.Select(r => r.B).Distinct().ToArray();
+                    A = requiredRules.Where(r => !B.Contains(r.A)).Select(r => r.A).First();
+                    requiredRules = requiredRules.Where(r => r.A != A).ToArray();
+                }
+
+                total += A;
+            }
+
+            return total.ToString();
+        }
+
+        private struct Rule
+        {
+            public int A { get; set; }
+            public int B { get; set; }
+        }
+
+        private async IAsyncEnumerable<(Rule[] rules, int[] updates)> GetUpdateWithRules(bool returnValidSet = true)
+        {
+            List<Rule> rules = [];
+            bool inputComplete = false;
+            await foreach (string updateString in _inputReader.ReadAsStringLine())
+            {
+                if (!inputComplete)
+                {
+                    if (string.IsNullOrEmpty(updateString))
+                        inputComplete = true;
+                    else
+                        rules.Add(ParseRule(updateString));
+                    continue;
+                }
+
+                int[] updatePages = updateString.Split(',').Select(int.Parse).ToArray();
+                Rule[] requiredRules = rules
+                    .Where(r => updatePages.Contains(r.A))
+                    .Where(r => updatePages.Contains(r.B))
+                    .ToArray();
+
+                if (IsValid(requiredRules, updatePages) == returnValidSet)
+                {
+                    yield return (requiredRules, updatePages);
+                }
+            }
+        }
+
+        private static bool IsValid(Rule[] rules, int[] updates)
+        {
+            Rule[] requiredRules = rules;
+            List<Rule> openRules = [];
+            foreach (int update in updates)
+            {
+                // check if the current update is in the required list as the second value, if so this is an invalid update
+                if (requiredRules.Any(r => r.B == update))
+                {
+                    return false;
+                }
+
+                // get new rules
+                openRules.AddRange(requiredRules.Where(r => r.A == update));
+                requiredRules = requiredRules.Where(r => r.A != update).ToArray();
+
+                // close open rules
+                openRules = openRules.Where(r => r.B != update).ToList();
+            }
+
+            return true;
+        }
+
+        private static Rule ParseRule(string input) 
+        {
+            int[] numbers = input.Split('|').Select(int.Parse).ToArray();
+            return new Rule { A = numbers[0], B = numbers[1] };
+        }
+    }
+}
\ No newline at end of file
diff --git a/AdventOfCode.Solutions/2024/Day 05/day-05-input.txt b/AdventOfCode.Solutions/2024/Day 05/day-05-input.txt
new file mode 100644
index 0000000..757dfa8
--- /dev/null
+++ b/AdventOfCode.Solutions/2024/Day 05/day-05-input.txt	
@@ -0,0 +1,1373 @@
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+54,13,67,64,93,35,38,65,97,79,36,28,58,77,31,11,51
+61,21,37,45,66,78,12,96,69,22,24,54,13,29,67
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+77,31,51,48,94,21,37,18,66,55,78,91,12
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+48,94,21,37,39,45,66,55,46,78,71,69,22,24,13
+69,46,32,47,55,48,45,94,21,87,78,61,39,12,73,18,86,51,26,37,66
+37,39,45,66,55,78,91,12,87,71,69,22,24,54,72
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+21,37,18,39,45,55,46,78,91,12,96,26,87,71,69,22,24,54,13,29,67,42,72
+37,58,21,94,55,39,86,45,18,11,46,31,66,36,15
+37,18,39,48,46,47,81,15,61,11,58,77,66,51,21,94,55,36,31
+61,94,45,47,78,46,13,26,39,54,22,69,48,18,37
+73,77,47,58,61,12,91,11,18,31,45,86,32,21,55
+15,45,31,32,86,16,61,48,85,28,11,37,21,73,58,18,47
+65,97,85,16,79,36,81,58,77,15,31,11,51,73,86,32,48,47,61,94,21,37,18
+46,91,12,96,71,22,13,29,65,97,85
+54,29,64,93,65,85,16,31,51
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+64,22,91,87,38,26,42,72,13,67,65,55,69,29,93,71,78,35,24,96,46
+64,24,13,26,72,39,55
+85,11,36,86,35,42,16,64,51,72,38,93,79,81,48,31,58
+38,32,58,64,97,81,16,73,31,85,51,42,93,35,11,86,65,72,36,79,28,67,77
+66,55,46,78,12,96,26,87,71,69,22,24,54,13,29,67,42,64,93,35,38
+18,66,78,22,67
+37,66,46,91,96,87,71,69,24,13,29,72,64
+37,39,45,66,55,46,78,12,96,71,69,22,54,29,42,72,64
+96,91,66,77,48,73,55,51,32,86,61,47,18,94,15
+32,48,47,61,37,18,39,45,66,55,46,78,91,12,96,87,71,69,22,24,54
+72,93,38,16,79,28,15,11,51,86,32,48,47
+15,31,51,73,86,32,47,61,94,37,18,45,91,96,26
+69,24,29,67,93,38,65,28,15
\ No newline at end of file
diff --git a/AdventOfCode.Solutions/AdventOfCode.Solutions.csproj b/AdventOfCode.Solutions/AdventOfCode.Solutions.csproj
index 74cef46..c4322b4 100644
--- a/AdventOfCode.Solutions/AdventOfCode.Solutions.csproj
+++ b/AdventOfCode.Solutions/AdventOfCode.Solutions.csproj
@@ -34,6 +34,9 @@
     <Compile Update="2023\Day 13\Day13.cs">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Compile>
+    <Compile Update="2024\Day 05\Day05.cs">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Compile>
     <Compile Update="2024\Day 04\Day04.cs">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Compile>
diff --git a/AdventOfCode.Solutions/day-00-input.txt b/AdventOfCode.Solutions/day-00-input.txt
index c41c5ea..d4d4441 100644
--- a/AdventOfCode.Solutions/day-00-input.txt
+++ b/AdventOfCode.Solutions/day-00-input.txt
@@ -1,10 +1,28 @@
-MMMSXXMASM
-MSAMXMSMSA
-AMXSXMAAMM
-MSAMASMSMX
-XMASAMXAMM
-XXAMMXXAMA
-SMSMSASXSS
-SAXAMASAAA
-MAMMMXMMMM
-MXMXAXMASX
\ No newline at end of file
+47|53
+97|13
+97|61
+97|47
+75|29
+61|13
+75|53
+29|13
+97|29
+53|29
+61|53
+97|53
+61|29
+47|13
+75|47
+97|75
+47|61
+75|61
+47|29
+75|13
+53|13
+
+75,47,61,53,29
+97,61,53,29,13
+75,29,13
+75,97,47,61,53
+61,13,29
+97,13,75,29,47
\ No newline at end of file