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SundayMarathon

Race calendar · 2026

December 2026

653 races across 28 race days in December 2026.

The grid marks every race day. Open the agenda below, or any race for its full page.

653

Races this month

28

Race days

Dec

2026

Race days in December

Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
Antarctic Polar Race Cancun Mexico Marathon - 12/1/2026 +4 more
2
Ćićarija Trail Run
3
Four Corners Quad Keyah Greenvale Backyard Ultra 2026 +1 more
4
2nd Island View - Endurance Run - 100km 2nd Island View - Endurance Run - 100mi +20 more
5
1. RuHH 100 - 100km 1. RuHH 50 - 50km +124 more
6
3. 6-Stunden-Lauf Paderborn Nikolaus Edition - 6h 3° Q Trail 45 K - 45km +71 more
7
Dartmoor Way 100 EnduranceLife | Dorset +5 more
8
Choco Trail d’Hardricourt EDP Madrid Half-Marathon (Women's Race) +4 more
9
Centurion Winter Downs 200 - 338K
10
Buffalo Sunriser Sagalla Hills Marathon +1 more
11
9th Last One Standing Ultra Marathon - 26h Kiawah Island Marathon +3 more
12
10th Beast of the East (Monadnock Ultra) 50 Mile - 50mi 12th Daytona 100 - 50 Km Ultra - 50km +129 more
13
11th Annual - Sarasota Half Marathon & 5k | ELITE EVENTS 17h Mel Williams Memorial Seashore (Seashore Nature Trail) - 50km +54 more
14
5th Tucson 50K - 50km Les Courses du Père Noël +3 more
15
Media Maraton Alcoy Unión Alcoyana Seguros Six Inch Trail Marathon
16
17
Running Miles Christmas Jubilee River Run
18
Quiet Silence
19
10th Bei-yi Freeway Ultra Marathon - 55km 15ème Solstice d'hiver à Mousterlin - 15:38h +55 more
20
Shenzhen Marathon - Dec 20 3. Erlangen Ultramarathon - 50km +31 more
21
22
Bärenfels Heiligabend Marathon UTSZ Trail Races
23
24
2. Weihnachtsultra - 45km The Kilgore Half Marathon & 10k
25
Jingle All the Way - Christmas Day 5K, 10K, Half Marathon, Kids Dash by Califlow Runs
26
14th Boyer's Furnace 40 Mile Race - 40mi 2ª SP Endurance Challenge Réveillon 2026 - 60km +66 more
27
2nd Holiday Five Day 1 - 50km 4th Zhiyin Jiuzhen Ultra Trail - 50km +3 more
28
2nd Holiday Five Day 2 - 50km 42nd Across the Years, 6h +2 more
29
2nd Holiday Five Day 3 - 50km Marathon du Nouvel An Pilsen
30
14th Snowdrop Ultra 55 Hour Race - 55h 2nd Holiday Five Day 4 - 50km +5 more
31
16th New Years One Day 6 Hour Run - 6h 2nd Holiday Five Day 5 - 50km +21 more

Agenda

December race by race

Page 1 of 28 · 24 of 653 races · use the grid or race-day list to jump to any date

Date Race Location Distances
Tue 1 Dec Antarctic Polar Race IE Ireland · 42.2K IEIreland 42.2K
Tue 1 Dec Cancun Mexico Marathon - 12/1/2026 MX Mexico · 42.2K MXMexico 42.2K
Tue 1 Dec Fredericksburg Blue and Gray Half Marathon US Virginia, United States · Ultra USVirginia, United States Ultra · 21.1K
Tue 1 Dec Hurtwood 50k GB United Kingdom · Trail 50K GBUnited Kingdom Trail 50K
Tue 1 Dec Move 4 Hope - Prism of Possibility - 1K • 5K • 10K • Half Marathon Virtual Races US Miami, United States · 90K USMiami, United States 90K · 70K · 40K
Tue 1 Dec Shitter's Full : Virtual 5K - 10K - 13.1 - 26.2 US Columbus, United States · 42.2K USColumbus, United States 42.2K · 21.1K · 10K
Wed 2 Dec Ćićarija Trail Run HR Croatia · 21.1K HRCroatia 21.1K · Trail 21.4K
Thu 3 Dec Four Corners Quad Keyah US Teec Nos Pos, United States · 42.2K USTeec Nos Pos, United States 42.2K · 21.1K
Thu 3 Dec Greenvale Backyard Ultra 2026 AU Australia · Ultra AUAustralia Ultra
Thu 3 Dec Marathon des Barjots FR France · 42.2K FRFrance 42.2K · 21.1K
Fri 4 Dec 2nd Island View - Endurance Run - 100km US United States · 100K USUnited States 100K
Fri 4 Dec 2nd Island View - Endurance Run - 100mi US United States · 100 mi USUnited States 100 mi
Fri 4 Dec 3rd Chiangmai Thailand by UTMB - CHIANG DAO 160 - 162km TH Thailand · 162K THThailand 162K
Fri 4 Dec 3rd Climb 89 - 32h US United States · Ultra USUnited States Ultra · 32h
Fri 4 Dec 5th Ollie's Ultra 12h - 12h US United States · Ultra USUnited States Ultra · 12h
Fri 4 Dec 5th Ollie's Ultra 24h - 24h US United States · Ultra USUnited States Ultra · 24h
Fri 4 Dec 5th Ollie's Ultra 36h - 36h US United States · 6 Hour USUnited States 6 Hour · 36h
Fri 4 Dec 5th Ollie's Ultra 48h - 48h US United States · Ultra USUnited States Ultra · 48h
Fri 4 Dec 5th Ollie's Ultra 6h - 6h US United States · Ultra USUnited States Ultra · 6h
Fri 4 Dec 7th The Tennessee Mile 40 Hour Run - 40h US United States · Ultra USUnited States Ultra · 40h
Fri 4 Dec Ayla Red Sea Half Marathon JO Jordan · 21.1K JOJordan 21.1K
Fri 4 Dec Blood Rock 100 US Pelham, United States · 50 Miler USPelham, United States 50 Miler · 55K · 25K
Fri 4 Dec Climb 89 US RICHLAND, United States · 32 Hour USRICHLAND, United States 32 Hour
Fri 4 Dec Costa Rica San Jose Marathon - 12/4/2026 CR Costa Rica · 42.2K CRCosta Rica 42.2K
Page 1 of 28

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