status
1 September 2026
Arc 100M
2027 registration open
The Arc of Attrition event site lists the 100M, 100K and 50K races for 22–24 January 2027 with registration open.
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Race dates, prices and routes move. Race For You shows what changed, when we checked it and which official source supports the record.
675Current discoverable races
6Logged updates
4 September 2026Latest verification
The catalogue tracks 840 permanent UK race families separately from 5 international benchmark-only families used for comparison and predictor context.
Change log
What moved
date
1 September 2026
West Highland Way Race
41st edition date confirmed
The West Highland Way Race has confirmed its 41st edition for 19 June 2027.
Official source (opens in a new tab)verification
1 September 2026
Dragon's Back Race
2026 race facts rechecked
The organiser lists the full six-day race for 7–12 September with 380km and 16,400m of ascent.
Official source (opens in a new tab)date
1 September 2026
Montane Lakeland 100
2027 date confirmed
The Lakeland 100 weekend is listed for 23–25 July 2027.
Official source (opens in a new tab)status
1 September 2026
Race Across Scotland 215
2027 race full — waitlist open
The official organiser page currently directs 2027 runners to the waitlist.
Official source (opens in a new tab)verification
31 August 2026
Ultra Wales 50
Elevation retained as provisional
The organiser currently labels the 2,898m ascent figure as TBC.
Official source (opens in a new tab)