Ultra Marathons

Start with the cut-off, not the distance. A generous cut-off is the single clearest signal that an organiser expects and welcomes back-of-the-field runners — and it is what buys you the right to walk the hills, sit down at an aid station, and still finish. Race to the Stones gives 25 to 30 hours for 100km. Wendover Woods gives 15 hours for 50 miles, two more than any other Centurion 50, because the course needs it.

Then look at whether the route is marked. A fully signed route with arrows and marshals removes an entire category of failure. Self-navigated races — the Fellsman, the Lakeland 100, the Cheviot Goat — expect you to carry a map and compass and use them in the dark, and a navigational error at mile 60 costs hours you do not have.

Then check aid station spacing. Seven stations across 50 miles means seven miles between them and a small pack; five stations means ten miles, and a genuinely different kit list. Finally, look at elevation per mile: anything over 150ft per mile is a hard day regardless of distance.

Most serious British ultras require a qualifying race. Centurion ask for a marathon completed within its own cut-off for their 50-mile events, and a 50-miler under 15 hours for the Autumn 100. The West Highland Way Race asks for 90 miles across no more than two off-road ultras in the preceding three years. The Montane Spine requires entrants to be 21 or over with an ultra over 60 miles behind them.

These are not gatekeeping for its own sake. They exist because a runner who has never been out for twelve hours does not yet know what their stomach does at hour ten, and a mountain race cannot safely absorb a large number of people finding out at 2am in February. Treat the qualification standard as the organiser telling you what the race actually requires.

The corollary is worth planning around: entering an ultra often starts a year earlier than race day. Ballots for the Lakeland 50 and 100 open in September for the following July. Centurion entries open eleven months ahead and sell out in minutes.

Almost every ultra beyond 50K carries a mandatory kit list, and at the serious end it is checked. The Centurion list is representative: a charged mobile phone, one litre of water capacity, a survival blanket, a waterproof jacket rated to 10,000mm with sealed seams, a whistle, a headtorch of at least 100 lumens plus a backup, a warm hat, gloves, a dry long-sleeved layer, and your own cup — most ultras are cupless at aid stations now.

Mountain and winter races go further: map and compass, full waterproof trousers, and layers rated for standing still in bad weather rather than moving through it. The kit list is not a formality. It is written on the assumption that at some point you will be stationary, wet and cold, waiting for help, and it is sized for that.

At marathon distance the legs fail first. Past about eight hours, the stomach usually does. The two most common reasons people withdraw from an ultra are missing a cut-off and being unable to eat, and the second frequently causes the first.

The fix is unglamorous: practise race nutrition on every long training run, particularly the back-to-back weekends, and find out now what you can still swallow when you feel sick. Cold weather and night running both suppress appetite sharply. Hot food and hot drinks at manned checkpoints are worth more than the minutes they cost, and races with a reputation for good checkpoint food — the Lakeland 50 among them — have that reputation for a reason.

The single biggest difference from marathon training is back-to-back long runs — a long run on Saturday followed by a second, slower one on Sunday. They build time on feet and teach you to run on tired legs without the multi-week recovery cost of one enormous training day.

The second is walking. Walking the climbs is not a failure at ultra distance, it is the plan, and power-hiking steep ground efficiently is a trainable skill worth practising rather than improvising on the day.

The third is the taper. Volume comes down harder and further out than for a marathon: three to four weeks, because a 30-mile training day costs weeks of recovery rather than days. Every race page on Verus works its training window and taper guidance from the race's own distance and elevation rather than reusing a marathon-shaped block.