Boston Ultra Marathon Calendar | RunGuides

Boston Ultra Marathons

Looking for ultra distance events in Boston and the surrounding area? The RunGuides ultramarathon calendar is a list of all the events featuring an ultra distance in and around Boston. If you're looking for something other than ultra running check out the full calendar of Boston runs

Upcoming Boston Ultra Marathons 88 runs found

Date Name Distance(s) Course Link
Millbury
Apr 30, 2017 Millbury Parents Club 5k & Fun Run
5k, Fun Run
Millbury Parents Club 5k & Fun Run Apr 30, 2017 Road 5k Fun Run Road Find out more
James joyce ramble
Apr 30, 2017 James Joyce Ramble 10K
10k
James Joyce Ramble 10K Apr 30, 2017 Road 10k Road Find out more
Mmrf race for research 5k boston
Apr 30, 2017 MMRF Race for Research 5K
Fundraiser
MMRF Race for Research 5K Apr 30, 2017 Road Fundraiser Road Find out more
Earth rock run
Apr 30, 2017 Earth Rock Run
Half-marathon, Marathon
Earth Rock Run Apr 30, 2017 Road Half-marathon Marathon Road Find out more
Stringio
May 6, 2017 POTS Walk and 5k Race
5k
POTS Walk and 5k Race May 6, 2017 Road 5k Road Find out more
May 6, 2017 Marine Corps Honor Run 5K
5k
Marine Corps Honor Run 5K May 6, 2017 Road 5k Road Find out more
May 7, 2017 Newburyport River Run 1/2 Marathon & 5k
5k, Half-marathon
Newburyport River Run 1/2 Marathon & 5k May 7, 2017 Road 5k Half-marathon Road Find out more
May 7, 2017 Run4Scituate
5k, 10k, Fun Run
Run4Scituate May 7, 2017 Road 5k 10k Fun Run Road Find out more
May 7, 2017 Boston Bulldogs Run for Recovery
5k
Boston Bulldogs Run for Recovery May 7, 2017 Trail 5k Trail Find out more
May 7, 2017 Westford Road Race
5k, 10k, Fun Run
Westford Road Race May 7, 2017 Road 5k 10k Fun Run Road Find out more
May 12, 2017 Ragnar Relay Cape Cod
Relay
Ragnar Relay Cape Cod May 12 - May 13 2017 Road Relay Road Find out more
May 13, 2017 Dan Ford Road Race
8k, Other
Dan Ford Road Race May 13, 2017 Road 8k Other Road Find out more
May 14, 2017 Mom's Run Mary O'Brien Memorial 5K Run & Walk for Cancer
5k
Mom's Run Mary O'Brien Memorial 5K Run & Walk for Cancer May 14, 2017 Road 5k Road Find out more
May 18, 2017 Esplanade 5K Sunset Run
5k
Esplanade 5K Sunset Run May 18, 2017 Road 5k Road Find out more
May 20, 2017 MuckFest MS Boston
OCR
MuckFest MS Boston May 20 - May 21 2017 OCR OCR OCR Find out more
May 21, 2017 Great Bear Run
5k
Great Bear Run May 21, 2017 Road 5k Road Find out more
May 21, 2017 Evan's Run 10K / 5K
5k, 10k, Other
Evan's Run 10K / 5K May 21, 2017 Road 5k 10k Other Road Find out more
May 28, 2017 Boston's Run to Remember
8k, Half-marathon
Boston's Run to Remember May 28, 2017 Road 8k Half-marathon Road Find out more
Jun 3, 2017 Foxboro Against Diabetes 5K Run/Walk
5k
Foxboro Against Diabetes 5K Run/Walk Jun 3, 2017 Road 5k Road Find out more
Jun 3, 2017 MetroWest K9 5K
5k, Fun Run, Fundraiser
MetroWest K9 5K Jun 3, 2017 Trail 5k Fun Run Fundraiser Trail Find out more
Jun 3, 2017 Ashland Trail Race 5K/10K
5k, 10k
Ashland Trail Race 5K/10K Jun 3, 2017 Trail 5k 10k Trail Find out more
Jun 4, 2017 Twin Lobster Half Marathon & 1 Mile Race
Half-marathon, Other
Twin Lobster Half Marathon & 1 Mile Race Jun 4, 2017 Road Half-marathon Other Road Find out more
Jun 8, 2017 J.P. Morgan Corporate Challenge
Other
J.P. Morgan Corporate Challenge Jun 8, 2017 Road Other Road Find out more
Jun 10, 2017 Flag Day 5k
5k
Flag Day 5k Jun 10, 2017 Road 5k Road Find out more
Jun 11, 2017 Run for Lovelane
5k, Fun Run
Run for Lovelane Jun 11, 2017 Road 5k Fun Run Road Find out more
Jun 11, 2017 The Color Run Boston
Fun Run
The Color Run Boston Jun 11, 2017 Road Fun Run Road Find out more
Jun 16, 2017 Ragnar Trail Relay New England
Relay
Ragnar Trail Relay New England Jun 16 - Jun 17 2017 Trail Relay Trail Find out more
Jun 17, 2017 Color Me Rad Boston
Fun Run
Color Me Rad Boston Jun 17, 2017 Road Fun Run Road Find out more
Jun 24, 2017 Tough Mudder New England
OCR
Tough Mudder New England Jun 24, 2017 OCR OCR OCR Find out more
Jun 25, 2017 B.A.A. 10K
10k
B.A.A. 10K Jun 25, 2017 Road 10k Road Find out more
Jun 25, 2017 Newton 10K
10k
Newton 10K Jun 25, 2017 Road 10k Road Find out more
Jul 4, 2017 Plymouth Independence Day 5k
5k
Plymouth Independence Day 5k Jul 4, 2017 Road 5k Road Find out more
Jul 15, 2017 Narragansett Summer Running Festival
5k, 10k, Half-marathon
Narragansett Summer Running Festival Jul 15 - Jul 16 2017 Road 5k 10k Half-marathon Road Find out more
Jul (TBD) Level Renner Road Race 10K
10k
Level Renner Road Race 10K Jul (TBD) Road 10k Road Find out more
Jul 18, 2017 Father's Day Road Race and Family Fun Walk
5k, 10k, Fun Run
Father's Day Road Race and Family Fun Walk Jul 18, 2017 Road 5k 10k Fun Run Road Find out more
Jul (TBD) Jim Kane Sugar Bowl 5k
5k
Jim Kane Sugar Bowl 5k Jul (TBD) Road 5k Road Find out more
Jul 30, 2017 WCTC 5K
5k
WCTC 5K Jul 30, 2017 Road 5k Road Find out more
Aug 1, 2017 Yankee Homecoming 10M and 5K
5k, Other
Yankee Homecoming 10M and 5K Aug 1, 2017 Road 5k Other Road Find out more
Aug 6, 2017 TripleThreat 1-Mile, 5K & Half Marathon
5k, Half-marathon, Other
TripleThreat 1-Mile, 5K & Half Marathon Aug 6, 2017 Road 5k Half-marathon Other Road Find out more
Aug 13, 2017 Memphis Soul 5K BBQ Run
5k
Memphis Soul 5K BBQ Run Aug 13, 2017 Road 5k Road Find out more
Aug 19, 2017 Warrior Dash New England
OCR
Warrior Dash New England Aug 19, 2017 OCR OCR OCR Find out more
Aug 19, 2017 Night Nation Run
Fun Run
Night Nation Run Aug 19, 2017 Road Fun Run Road Find out more
Sep 9, 2017 Dracut Old Home Day 5K Run/Walk
5k
Dracut Old Home Day 5K Run/Walk Sep 9, 2017 Road 5k Road Find out more
Sep 10, 2017 ZERO Prostate Cancer Run/Walk Boston
Fundraiser
ZERO Prostate Cancer Run/Walk Boston Sep 10, 2017 Road Fundraiser Road Find out more
Sep 10, 2017 Prospect Bandit Run 5K
5k
Prospect Bandit Run 5K Sep 10, 2017 Road 5k Road Find out more
Sep (TBD) Race 2 the Summit
5k, Half-marathon
Race 2 the Summit Sep (TBD) Road 5k Half-marathon Road Find out more
Sep (TBD) Running with Friends 5K
5k
Running with Friends 5K Sep (TBD) Road 5k Road Find out more
Sep 16, 2017 5k Foam Fest Boston
OCR
5k Foam Fest Boston Sep 16, 2017 OCR OCR OCR Find out more
Sep 16, 2017 Brighton Bangers 5K
5k
Brighton Bangers 5K Sep 16, 2017 Road 5k Road Find out more
Sep 16, 2017 Tache Realty Wicked Half Marathon
Half-marathon
Tache Realty Wicked Half Marathon Sep 16, 2017 Road Half-marathon Road Find out more
Sep 17, 2017 Jog Your Memory 5K
5k
Jog Your Memory 5K Sep 17, 2017 Road 5k Road Find out more
Sep 23, 2017 St. Jude Walk/Run to End Childhood Cancer - Boston
Fundraiser
St. Jude Walk/Run to End Childhood Cancer - Boston Sep 23, 2017 Road Fundraiser Road Find out more
Sep 23, 2017 Rugged Maniac New England
OCR
Rugged Maniac New England Sep 23, 2017 OCR OCR OCR Find out more
Sep 23, 2017 Island Run
5k, 8k
Island Run Sep 23, 2017 Trail 5k 8k Trail Find out more
Oct (TBD) Starry Night Boston 8.5K
8k, Other
Starry Night Boston 8.5K Oct (TBD) Road 8k Other Road Find out more
Oct 1, 2017 Cambridge 5K Oktoberfest
5k
Cambridge 5K Oktoberfest Oct 1, 2017 Road 5k Road Find out more
Oct (TBD) Apple Harvest Run
5k, Other
Apple Harvest Run Oct (TBD) Road 5k Other Road Find out more
Oct (TBD) Fall Frolic 5K & Fun Run
5k, Fun Run
Fall Frolic 5K & Fun Run Oct (TBD) Road 5k Fun Run Road Find out more
Oct 4, 2017 Run for Recess
5k, Fun Run
Run for Recess Oct 4, 2017 Road 5k Fun Run Road Find out more
Oct 8, 2017 B.A.A. Half Marathon
Half-marathon
B.A.A. Half Marathon Oct 8, 2017 Trail Half-marathon Trail Find out more
Oct (TBD) Hazelwood Women's 5k
5k
Hazelwood Women's 5k Oct (TBD) Road 5k Road Find out more
Oct 22, 2017 Baystate Marathon and Half Marathon
Half-marathon, Marathon
Baystate Marathon and Half Marathon Oct 22, 2017 Road Half-marathon Marathon Road Find out more
Oct 28, 2017 Boston Common Costume Dash
5k
Boston Common Costume Dash Oct 28, 2017 Road 5k Road Find out more
Oct (TBD) Ashland Half Marathon and 5K
5k, Half-marathon
Ashland Half Marathon and 5K Oct (TBD) Road 5k Half-marathon Road Find out more
Oct 29, 2017 Hallows Eve 5K Run/ Walk
5k, Fun Run
Hallows Eve 5K Run/ Walk Oct 29, 2017 Road 5k Fun Run Road Find out more
Nov 4, 2017 Spartan Race Boston
OCR
Spartan Race Boston Nov 4 - Nov 5 2017 OCR OCR OCR Find out more
Nov (TBD) Tyngsboro Trot 5k
5k, Fun Run
Tyngsboro Trot 5k Nov (TBD) Road 5k Fun Run Road Find out more
Nov (TBD) Boston River Run 5k
5k
Boston River Run 5k Nov (TBD) Road 5k Road Find out more
Nov 18, 2017 Kingston 5K Turkey Trot
5k
Kingston 5K Turkey Trot Nov 18, 2017 Road 5k Road Find out more
Nov 19, 2017 4 BIGGSteps 5K
5k
4 BIGGSteps 5K Nov 19, 2017 Road 5k Road Find out more
Dec 10, 2017 Cambridge 5K Yulefest
5k
Cambridge 5K Yulefest Dec 10, 2017 Road 5k Road Find out more
Dec (TBD) Walter's Run 5K
5k
Walter's Run 5K Dec (TBD) Road 5k Road Find out more
Dec (TBD) Ugly Sweater Run - Boston
Fun Run
Ugly Sweater Run - Boston Dec (TBD) Road Fun Run Road Find out more
Jan 1, 2018 Annual Hangover Classic 10k and 5k Road Races
5k, 10k
Annual Hangover Classic 10k and 5k Road Races Jan 1, 2018 Road 5k 10k Road Find out more
Jan (TBD) Commitment Day Boston
5k
Commitment Day Boston Jan (TBD) Road 5k Road Find out more
Jan 1, 2018 Needham New Years Day 5K
5k
Needham New Years Day 5K Jan 1, 2018 Road 5k Road Find out more
Feb (TBD) LOCO Palooza 5K
5k
LOCO Palooza 5K Feb (TBD) Road 5k Road Find out more
Feb (TBD) Cupid's Undie Run - Boston
Fun Run
Cupid's Undie Run - Boston Feb (TBD) Road Fun Run Road Find out more
Mar (TBD) Running Of The Leprechauns 5K
5k
Running Of The Leprechauns 5K Mar (TBD) Road 5k Road Find out more
Mar (TBD) Marathon Park Prep
Half-marathon
Marathon Park Prep Mar (TBD) Road Half-marathon Road Find out more
Mar (TBD) Ras na Heireann USA 5k
5k
Ras na Heireann USA 5k Mar (TBD) Road 5k Road Find out more
Mar (TBD) New Bedford Half Marathon
Half-marathon
New Bedford Half Marathon Mar (TBD) Road Half-marathon Road Find out more
Mar (TBD) St. Patrick's Day Road Race
5k
St. Patrick's Day Road Race Mar (TBD) Road 5k Road Find out more
Mar (TBD) MHMS Family Fun Run
5k, Fun Run
MHMS Family Fun Run Mar (TBD) Road 5k Fun Run Road Find out more
Apr (TBD) April Fools 4 Miler
Other
April Fools 4 Miler Apr (TBD) Road Other Road Find out more
Apr (TBD) Cohasset Road Race by the Sea 10K
10k
Cohasset Road Race by the Sea 10K Apr (TBD) Road 10k Road Find out more
Apr (TBD) B.A.A. 5k
5k
B.A.A. 5k Apr (TBD) Road 5k Road Find out more
Apr (TBD) Boston Marathon
Marathon
Boston Marathon Apr (TBD) Road Marathon Road Find out more