Skip to content
SundayMarathon
← Back to 2026
Marathon calendar

December 2026

653 races on the calendar.

Nov 2026 Today Jan 2027




Race days

Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
Antarctic Polar Race Cancun Mexico Marathon - 12/1/2026 Fredericksburg Blue and Gray Half Marathon +3 more
2
Ćićarija Trail Run
3
Four Corners Quad Keyah Greenvale Backyard Ultra 2026 Marathon des Barjots
4
2nd Island View - Endurance Run - 100km 2nd Island View - Endurance Run - 100mi 3rd Chiangmai Thailand by UTMB - CHIANG DAO 160 - 162km +19 more
5
1. RuHH 100 - 100km 1. RuHH 50 - 50km 10th Calero Park Run 50K - 50km +123 more
6
3. 6-Stunden-Lauf Paderborn Nikolaus Edition - 6h 3° Q Trail 45 K - 45km 37th Pine Mountain 40 Miles - 40mi +70 more
7
Dartmoor Way 100 EnduranceLife | Dorset Gruissan Kinetik Trail +4 more
8
Choco Trail d’Hardricourt EDP Madrid Half-Marathon (Women's Race) Gruissan Poli Trail +3 more
9
Centurion Winter Downs 200 - 338K
10
Buffalo Sunriser Sagalla Hills Marathon Trail delle Valli Etrusche
11
9th Last One Standing Ultra Marathon - 26h Kiawah Island Marathon Mae Takhrai Trail - 177K +2 more
12
10th Beast of the East (Monadnock Ultra) 50 Mile - 50mi 12th Daytona 100 - 50 Km Ultra - 50km 13th Bell Ringer 50k Trail Run - 50km +128 more
13
11th Annual - Sarasota Half Marathon & 5k | ELITE EVENTS 17h Mel Williams Memorial Seashore (Seashore Nature Trail) - 50km Fukuoka Marathon - Dec 13 +53 more
14
5th Tucson 50K - 50km Les Courses du Père Noël Meerdaalwoud Trail +2 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 17th Desert Solstice 24 Hour Run - 24h +54 more
20
Shenzhen Marathon - Dec 20 3. Erlangen Ultramarathon - 50km 3. Wald(Ultra)Marathon Calw - 46km +30 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 2nd Loop Out the Year - 6h +65 more
27
2nd Holiday Five Day 1 - 50km 4th Zhiyin Jiuzhen Ultra Trail - 50km CCTX Marathon-Corpus Christi +2 more
28
2nd Holiday Five Day 2 - 50km 42nd Across the Years, 6h 9. Grüntal-Winterultra - 50km +1 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 3rd Moccasin 24 - 24h +4 more
31
16th New Years One Day 6 Hour Run - 6h 2nd Holiday Five Day 5 - 50km 3. Otzberger Silvester-Ultra - 45km +20 more

Agenda

Page 3 of 28 — 24 of 653 races. Use the grid or race-day list above to jump to any date.

Sat, Dec 5 24 races

  1. 16th TARC Fells Trail Ultra Winter 32 Mile - 32mi United States Registration: Link needed Plan: Plan in My Races
  2. 17th Bigfoot 50K Trail Race - 50km United States Registration: Link needed Plan: Plan in My Races
  3. 17th McDowell Mountain Frenzy 50 Mile - 50mi United States Registration: Link needed Plan: Plan in My Races
  4. 2nd HAROC (aka Hanging Rock Challenge) - 50km United States Registration: Link needed Plan: Plan in My Races
  5. 2nd Island View - Endurance Run - 50km United States Registration: Link needed Plan: Plan in My Races
  6. 35. Bremer Bergmarathon mit Höhenmetersammlung - 51km Germany Registration: Link needed Plan: Plan in My Races
  7. 3rd Small Town Christmas 34Hr - 34h United States Registration: Link needed Plan: Plan in My Races
  8. 3rd Tower Tag Challenge - 8h United States Registration: Link needed Plan: Plan in My Races
  9. 3rd Ural Backyard Ultra Winter Run - 29h Russia Registration: Link needed Plan: Plan in My Races
  10. 40th OTHTC High Desert 50K Ultra - 50km United States Registration: Link needed Plan: Plan in My Races
  11. 4th Festivus 100 Miler Trail Run - 100mi United States Registration: Link needed Plan: Plan in My Races
  12. 4th Festivus 35 Miler Trail Run - 35mi United States Registration: Link needed Plan: Plan in My Races
  13. 4th Festivus 50 Miler Trail Run - 50mi United States Registration: Link needed Plan: Plan in My Races
  14. 4th Krampuslauf 9h - 9h United States Registration: Link needed Plan: Plan in My Races
  15. 5th Last Chance 50 km Ultra Race - 50km United States Registration: Link needed Plan: Plan in My Races
  16. 6th Margalla Backyard Ultra - 27h Pakistan Registration: Link needed Plan: Plan in My Races
  17. 6th The Backland Race - 18h United States Registration: Link needed Plan: Plan in My Races
  18. 7th The Tennessee Mile 6 Hour Run - 6h United States Registration: Link needed Plan: Plan in My Races
  19. 8th Anza Borrego Cuyamaca 50 Mile Run - 50mi United States Registration: Link needed Plan: Plan in My Races
  20. 8th Shakori 40 Mile Running Festival - 40mi United States Registration: Link needed Plan: Plan in My Races
  21. 8th The Border 100 - 100 Km Race - 100km India Registration: Link needed Plan: Plan in My Races
  22. 8th The Border Ultra Run - 100mi India Registration: Link needed Plan: Plan in My Races
  23. 9th 800 Heroes - Jinshui Camp Trail 115Km - 115km Taiwan Registration: Link needed Plan: Plan in My Races
  24. 9th Perpetual Motion 6 Hour Race - 6h United States Registration: Link needed Plan: Plan in My Races

Missing a marathon in December 2026?

Race organizers can send the official source for a free listing review when this month is missing a race date or showing stale calendar details. We verify the official source before publishing — no fee.

  • Free listing review
  • Official source verification
  • Runner-ready listing
  • Organizer dashboard

Search first if the race may already be listed. Missing event or stale date? Submit the official source with this month context prefilled.

List your race — free How review works