RacesFilter

Sea-level races

Sea level, for this filter, is a start under 300 m. The same source rules as the high-altitude list apply: weather-grid elevation, or the first sample of a verified course file.

How the difficulty and PR scores are built

Valencia Marathon Trinidad AlfonsoDecember 2026Valencia · ES
RunningMarathon

Valencia Marathon

Difficulty 18 · PR 80

Sold out · LotteryRace guide →
Honolulu MarathonDecember 2026Honolulu · US
RunningMarathon

Honolulu Marathon

Difficulty 49 · PR 4

Open · Direct entryRace guide →
Maui Oceanfront MarathonJanuary 2027Wailea to Launiupoko · US
RunningMarathon · Half marathon · 5K

Maui Oceanfront

Difficulty 45

Open · Direct entryRace guide →
The Coastal ChallengeFebruary 2027Quepos to Drake Bay · CR
UltraStage race · Ultra

Coastal Challenge (TCC)

Difficulty 57

Open · Direct entryRace guide →
Tokyo MarathonMarch 2027Tokyo · JP
RunningMarathon

Tokyo Marathon

Difficulty 19

Closed · LotteryRace guide →
Zurich Marató BarcelonaMarch 2027Barcelona · ES
RunningMarathon

Barcelona Marathon

Difficulty 18

Open · Direct entryRace guide →
Big Island International MarathonMarch 2027Hilo · US
RunningMarathon · Half marathon · 10K · 5K

Big Island Intl Marathon

Difficulty 45

Open · Direct entryRace guide →
Two Oceans MarathonApril 2027Cape Town · ZA
UltraUltra · Half marathon

Two Oceans

Difficulty 41 · PR 33

Closed · LotteryRace guide →
The Hapalua – Hawaiʻi's Half MarathonApril 2027Honolulu · US
RunningHalf marathon

The Hapalua

Difficulty 54

Open · Direct entryRace guide →
Schneider Electric Marathon de ParisApril 2027Paris · FR
RunningMarathon

Paris Marathon

Difficulty 22

Open · Direct entryRace guide →
Sea Otter Classic Gran FondoApril 2027Monterey · US
CyclingGran fondo · Gran fondo

Sea Otter Classic

Difficulty 23 · PR 55

Open · Direct entryRace guide →
Boston MarathonApril 2027Boston · US
RunningMarathon

Boston Marathon

Difficulty 22 · PR 83

Closed · QualifierRace guide →
TCS London MarathonApril 2027London · GB
RunningMarathon

London Marathon

Difficulty 22

Closed · LotteryRace guide →
Big Sur International MarathonApril 2027Big Sur · US
RunningMarathon

Big Sur Marathon

Difficulty 32 · PR 33

Closed · LotteryRace guide →
Sanlam Cape Town MarathonMay 2027Cape Town · ZA
RunningMarathon

Cape Town Marathon

Difficulty 26

Closed · LotteryRace guide →
adidas Stockholm MarathonMay 2027Stockholm · SE
RunningMarathon

Stockholm Marathon

Difficulty 25 · PR 66

Sold out · Direct entryRace guide →
Ironman 70.3 Hawaiʻi (Honu)June 2027Kohala Coast · US
Triathlon70.3

Honu 70.3

Difficulty 45

Open · Direct entryRace guide →
Reykjavik MarathonAugust 2027Reykjavik · IS
RunningMarathon

Reykjavik Marathon

Difficulty 22

Details not announcedRace guide →
IRONMAN 70.3 TallinnAugust 2027Tallinn · EE
Triathlon70.3

Tallinn 70.3

Difficulty 30

Open · Direct entryRace guide →
TCS Sydney MarathonAugust 2027Sydney · AU
RunningMarathon

Sydney Marathon

Difficulty 25 · PR 57

Closed · LotteryRace guide →
The Kauaʻi Marathon & Half MarathonSeptember 2027Koloa / Poipu · US
RunningMarathon · Half marathon

Kauai Marathon

Difficulty 49

Open · Direct entryRace guide →
GENERALI Berlin MarathonSeptember 2027Berlin · DE
RunningMarathon

Berlin Marathon

Difficulty 28

Ballot openRace guide →
Bank of America Chicago MarathonOctober 2027Chicago · US
RunningMarathon

Chicago Marathon

Difficulty 29 · PR 51

Closed · LotteryRace guide →
TCS New York City MarathonNovember 2027New York · US
RunningMarathon

NYC Marathon

Difficulty 21 · PR 63

Open · QualifierRace guide →