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Portsmouth Coastal Waterside Marathon

Portsmouth, England, UK

Partly cloudy throughout the day.

partly-cloudy-night
7
Wind
13mph
Gusting to
28mph
partly-cloudy-night
7
Wind
12mph
Gusting to
27mph
Details
partly-cloudy-night
7
Wind
13mph
Gusting to
27mph
partly-cloudy-day
7
Wind
13mph
Gusting to
27mph
partly-cloudy-day
7
Wind
13mph
Gusting to
27mph
partly-cloudy-day
7
Wind
13mph
Gusting to
27mph
partly-cloudy-day
7
Wind
14mph
Gusting to
27mph
partly-cloudy-day
7
Wind
14mph
Gusting to
28mph
partly-cloudy-day
7
Wind
14mph
Gusting to
28mph
partly-cloudy-day
7
Wind
14mph
Gusting to
27mph
partly-cloudy-day
7
Wind
13mph
Gusting to
27mph
partly-cloudy-night
7
Wind
13mph
Gusting to
26mph
partly-cloudy-night
7
Wind
13mph
Gusting to
26mph
Pre-Race
Race
Post-Race
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Race Overview

The Portsmouth Coastal Waterside Marathon offers runners a festive and scenic journey along the picturesque Southsea seafront and around Langstone Harbour. This flat, multi-terrain course combines road and coastal paths, providing a dynamic running experience with minimal elevation changes—just 108 meters over the entire marathon distance. As you run, you'll be treated to stunning sea views and pass key landmarks like the Tudor Sailing Club and Applegreen garage. The course is renowned for its lively atmosphere, featuring aid stations stocked with treats like jelly beans, Jaffa cakes, and savory snacks. Runners can also enjoy on-site massage and taping services to enhance their race day experience. Whether you're a seasoned marathoner or a novice, this race promises a memorable and accessible challenge amidst the vibrant coastal setting.
Wikipedia

FAQ

When is the 2026 Portsmouth Coastal Waterside Marathon?

The 2026 Portsmouth Coastal Waterside Marathon will be held on Sunday December 20, 2026.

What is the time limit for the Portsmouth Coastal Waterside Marathon?

The time limit for the Portsmouth Coastal Waterside Marathon is 7.25 hours.

Portsmouth Coastal Waterside Marathon Weather History

Portsmouth Coastal Waterside Marathon Weather Averages

Average Temp: 47°, Average Low: 44°, Average High: 50°
Time9AM10AM11AM12PM1PM2PM3PM
Temp
46°
46°
47°
47°
48°
48°
48°
Feel40°42°43°43°44°44°44°
Rain-------
Wind12mph
13mph
13mph
15mph
15mph
16mph
15mph
Dew41°42°42°42°41°42°42°
RunScoreRun Score: 7Run Score: 6Run Score: 6Run Score: 6Run Score: 6Run Score: 6Run Score: 6

Portsmouth Coastal Waterside Marathon 2025

Dec 21, 2025
Partly cloudy throughout the day with a chance of rain throughout the day.
Low: 48°, High: 52°, Moderate Rain
Time9AM10AM11AM12PM1PM2PM3PM
Temp
clear-day 49°
partly-cloudy-day 49°
rain 50°
partly-cloudy-day 51°
partly-cloudy-day 51°
partly-cloudy-day 51°
rain 50°
Feel46°46°50°51°51°51°50°
Rain--light---light
Wind6mph
8mph
8mph
10mph
11mph
11mph
11mph
Dew47°48°48°48°47°47°48°
RunScoreRun Score: 9Run Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Portsmouth Coastal Waterside Marathon 2024

Dec 22, 2024
Partly cloudy throughout the day.
Low: 40°, High: 45°
Time9AM10AM11AM12PM1PM2PM3PM
Temp
partly-cloudy-day 42°
partly-cloudy-day 43°
partly-cloudy-day 43°
partly-cloudy-day 42°
partly-cloudy-day 44°
partly-cloudy-day 44°
partly-cloudy-day 45°
Feel36°36°34°35°36°36°37°
Rain-------
Wind10mph
15mph
18mph
12mph
17mph
18mph
17mph
Dew33°32°33°35°31°32°34°
RunScoreRun Score: 7Run Score: 6Run Score: 5Run Score: 6Run Score: 5Run Score: 5Run Score: 5

Portsmouth Coastal Waterside Marathon 2023

Dec 17, 2023
Cloudy skies throughout the day.
Low: 49°, High: 51°
Time9AM10AM11AM12PM1PM2PM3PM
Temp
cloudy 49°
cloudy 50°
cloudy 50°
cloudy 50°
cloudy 50°
cloudy 50°
cloudy 50°
Feel45°50°50°50°50°50°50°
Rain-------
Wind12mph
13mph
13mph
17mph
15mph
16mph
14mph
Dew44°45°45°44°44°44°44°
RunScoreRun Score: 7Run Score: 7Run Score: 8Run Score: 6Run Score: 7Run Score: 7Run Score: 7

Portsmouth Coastal Waterside Marathon 2022

Dec 18, 2022
Partly cloudy throughout the day with rain.
Low: 39°, High: 51°, Heavy Rain
Time9AM10AM11AM12PM1PM2PM3PM
Temp
partly-cloudy-day 40°
rain 42°
rain 42°
rain 43°
rain 44°
rain 46°
rain 46°
Feel34°36°37°36°38°40°40°
Rain-lightlightlightlightmoderatelight
Wind10mph
10mph
10mph
13mph
14mph
12mph
13mph
Dew37°39°41°42°44°45°45°
RunScoreRun Score: 7Run Score: 5Run Score: 5Run Score: 5Run Score: 4Run Score: 5Run Score: 5

Portsmouth Coastal Waterside Marathon 2013

Dec 22, 2013
Clearing in the afternoon with a chance of rain throughout the day.
Low: 44°, High: 51°, Moderate Rain
Time9AM10AM11AM12PM1PM2PM3PM
Temp
partly-cloudy-day 48°
partly-cloudy-day 48°
clear-day 50°
rain 49°
clear-day 50°
partly-cloudy-day 49°
clear-day 49°
Feel41°41°44°42°44°42°42°
Rain---moderate---
Wind20mph
18mph
16mph
23mph
19mph
23mph
21mph
Dew44°44°45°42°42°40°41°
RunScoreRun Score: 5Run Score: 6Run Score: 6Run Score: 3Run Score: 6Run Score: 5Run Score: 5