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Marathon Calendar East of England 2025-2026

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Explore the best marathons in East of England for 2025-2026! Our updated list features 35 exciting races across the region. Find your next race in East of England below and join the running community at these great events!

February 2026
Feb
22
Sunday

ZigZag - Thetford Festival of Running

Trail Run 5 km 10 km 21 km 42 km
March 2026
Mar
21
Saturday

ZigZag - Moo-rathon, Calf and Hen K at the Farm

Trail Run 10 km 21 km 42 km
April 2026
Apr
12
Sunday

Haughley Festival of Running

Trail Run 5 km 10 km 21 km 42 km
Apr
26
Sunday

Zig Zag Running - The Other Run

Trail Run 5 km 10 km 21 km 42 km
Apr
26
Sunday

ZigZag - The 'Other' Run

5 km 10 km 21 km 42 km
May 2026
May
10
Sunday

Halstead & Essex Marathon

Trail Run 42 km
May
10
Sunday

Zig Zag Marathon and Half Marathon

Trail Run 21 km 42 km
May
17
Sunday

ZigZag - Birthday Run

5 km 10 km 21 km 42 km
May
31
Sunday

Circuit du Sore Legs

Backyard Ultra 5 km 10 km ... 50 km 6 hr
June 2026
Jun
6-7
Sa - Su

Sundowner Marathon

Trail Run 42 km
Jun
7
Sunday

Valley of the Owls Run

Trail Run 5 km 10 km 21 km 42 km
Jun
27
Saturday

Zigzag - Cock-A-Doodle Dawdle

Trail Run 5 km 10 km 21 km 42 km
July 2026
Jul
12
Sunday

Norfolk Festival Of Running

Trail Run 5 km 10 km 21 km 42 km
Jul
23
Thursday

Zig Zag Running - Great Barrow Challenge - 10 events in 10 days

Trail Run 5 km 10 km 21 km 42 km
Jul
23
Thursday

Zig Zag Running - Great Barrow Challenge Day 1

Trail Run 5 km 10 km 21 km 42 km
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