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			Ultra Marathons found in Michigan in December
View all ↓Ultra Marathons in Michigan in December 2025
		    
Find A Race is the US's favourite event listings site. Check out our list of December 2025 Ultra Marathons in Michigan below.
	
				Race Calendar: Ultra Marathons found in December
													
								🚀Boosted
							
						
						
							
		
	
												
						
					
					RUN THE MITT VIRTUAL CHALLENGE
ANY TOWN, Michigan
							
								    
							
 Wed 01 Jan 25 - Sat 27 Dec 25
							
																						
						
									    
							
 $65.10 - $75.70
								
							
							
							
						
													
								🚀Boosted
							
						
						
							
		
	
												
						
					
					Tour de Trails
Rockford, Illinois
							
								    
							
 Sat 20 Dec 25 - Sat 21 Mar 26
							
																						
						
									    
							
 $25.00 - $110.00
								
							
							
							
						
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				Tour de Trails
Rockford, Illinois
							
								    
							
 Sat 20 Dec 25 - Sat 21 Mar 26
							
																						
						
									    
							
 $25.00 - $110.00
								
							
							
							
						RUN THE MITT VIRTUAL CHALLENGE
ANY TOWN, Michigan
							
								    
							
 Wed 01 Jan 25 - Sat 27 Dec 25
							
																						
						
									    
							
 $65.10 - $75.70
								
							
							
							
						
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