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			Ultra Marathons found in Michigan in Summer
View all ↓Ultra Marathons in Michigan in Summer 2026
		    
Find A Race is the US's favourite event listings site. Check out our list of Summer 2026 Ultra Marathons in Michigan below.
	
				Race Calendar: Ultra Marathons found in Summer
													
								🚀Boosted
							
						
						
							
		
	
												
						
					
					Grand Rapids Triathlon
Ada, Michigan
							
								    
							
 Sun 07 Jun 26
							
																						
						
									    
							
 $51.61 - $368.95
								
							
							
							
						
													
								🚀Boosted
							
						
						
							
		
	
												
						
					
					The FRED Running Relays - 25 Mile - 50 Mile - 100 Mile - 200 Mile
Rockford, Michigan
							
								    
							
 Fri 10 Jul 26 - Sat 11 Jul 26
							
																						
						
									    
							
 $43.40 - $91.10
								
							
							
							
						
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				Grand Rapids Triathlon
Ada, Michigan
							
								    
							
 Sun 07 Jun 26
							
																						
						
									    
							
 $51.61 - $368.95
								
							
							
							
						Summer Trail Fest Ultra 50K, Half Marathon, & 5 Miler
Laingsburg, Michigan
							
								    
							
 Sat 13 Jun 26
							
																						
						
									    
							
 Free - $121.78
								
							
							
							
						The FRED Running Relays - 25 Mile - 50 Mile - 100 Mile - 200 Mile
Rockford, Michigan
							
								    
							
 Fri 10 Jul 26 - Sat 11 Jul 26
							
																						
						
									    
							
 $43.40 - $91.10
								
							
							
							
						Michigan Titanium
Grand Rapids, Michigan
							
								    
							
 Sun 16 Aug 26
							
																						
						
									    
							
 $58.68 - $631.45
								
							
							
							
						
							Showing 1-4 of 4 results
					
		
     
		