The next edition of OTT Ultra takes place on 7 November 2026.

Where does OTT Ultra take place?

OTT Ultra takes place in Merthyr Tydfil, UK.

How is OTT Ultra rated by runners?

OTT Ultra has an average rating of 4.86 out of 5 from 18 verified participant reviews on Racecheck.

What is OTT Ultra like?

Based on participant reviews, runners describe it as: Somewhat challenging (50% of reviews), Small & Intimate (100% of reviews), Remote Nature (80% of reviews), Hilly (60% of reviews).

OTT Ultra reviews | Racecheck

Name: OTT Ultra
Start: 2026-11-07
End: 2026-11-07
Location: Merthyr Tydfil, UK
Rating: 4.86

Daniel B.

5.0

· 2025 Ultra ·

My first Ultra in 2024, returned in 2025 and have now run a total of 10 which I think reflects brilliantly on the event. A great Ultra for a first timer or an experienced runner looking for a combination of great runnable sections and more challenging but shorter technical sectio...

My first Ultra in 2024, returned in 2025 and have now run a total of 10 which I think reflects brilliantly on the event. A great Ultra for a first timer or an experienced runner looking for a combination of great runnable sections and more challenging but shorter technical sections. Communication is excellent beforehand. The opportunity to collect bib previous evening in execellent local independent running shop takes morning stress away and helps avoid any mandatory kit problems. Well marked course, with numerous great views at various points and really good finishing area. Also some of the best volunteers on any race

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Alex B.

5.0

· 2025 Ultra ·

I've done this race twice now and it's definitely one of my favourite routes. OTT in general are such a friendly running community and their races reflect this. The organisation of the event is really good and participation number's aren't too high so it feels more intimate than ...

I've done this race twice now and it's definitely one of my favourite routes. OTT in general are such a friendly running community and their races reflect this. The organisation of the event is really good and participation number's aren't too high so it feels more intimate than bigger events. Aid stations always have a good vibe with plenty of food and drink options. The route itself may seem daunting on paper but is actually very runnable, especially as you do all your elevation gain in the first half. Great for someone's first ultra distance. Can't wait to do this for the third time (and fourth, and fifth......)

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Stuart F.

5.0

· 2025 Ultra ·

The route was unbelievable, it gave everything an ultra should give, from bogs to runnable sections, tight passes and open land, the organisers were great and really welcoming as was my first with them. All the volunteers were friendly even stretched at time as all races are, but...

The route was unbelievable, it gave everything an ultra should give, from bogs to runnable sections, tight passes and open land, the organisers were great and really welcoming as was my first with them. All the volunteers were friendly even stretched at time as all races are, but they never once let it show.

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Matt T.

4.2

· 2025 Ultra ·

This was my first ultra (in 2024) and returned for 2025. I like the fact it's a small but very well marked event put on by friendly organisers with a strong community vibe. The course is a bit of a mix - it's actually quite a quick course (ignoring the middle bit!) with some prop...

This was my first ultra (in 2024) and returned for 2025. I like the fact it's a small but very well marked event put on by friendly organisers with a strong community vibe. The course is a bit of a mix - it's actually quite a quick course (ignoring the middle bit!) with some proper climbing and technical trail thrown in along the way - very runnable. It's definitely a good first ultra on trails for someone considering upping their distance beyond marathon.

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Andrew m.

4.9

· 2025 Ultra ·

Great event well organised, 2nd year of running the ultra. Great support. Many thanks

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Conor P.

5.0

· 2025 Ultra ·

Everything was perfect, such a well run event and a great atmosphere, the route itself is incredible and is a nice mix of terrains. The organisers and volunteers really made the day enjoyable, runner safety was well thought out and the aid stations had a good selection. I woul...

Everything was perfect, such a well run event and a great atmosphere, the route itself is incredible and is a nice mix of terrains. The organisers and volunteers really made the day enjoyable, runner safety was well thought out and the aid stations had a good selection. I would definitely return to this race.

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Laurie H.

5.0

· 2024 Ultra ·

Great event, great company! Routes are always marked well, great checkpoints and volunteers, can't ask for me!

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Tomas H.

5.0

· 2024 Ultra ·

Everything was great, race going through ice places, volunteers are friendly, good finish wis hot food. I just missing potatoes 😊

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Andrew m.

4.9

· 2024 Ultra ·

Great event, well stocked aid stations, plenty of food at the finish, overall a lovely event in the Brecon Beacons

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Emma L.

4.7

· 2021 Ultra ·

This is one of my favourite ultra marathon courses. A great mixture of challenge and a break to catch your breath. Stunning scenery. The fish and chips at the last check point was the icing on the cake! This one’s always on my race calendar . In fact I am even the poster girl for...

This is one of my favourite ultra marathon courses. A great mixture of challenge and a break to catch your breath. Stunning scenery. The fish and chips at the last check point was the icing on the cake! This one’s always on my race calendar . In fact I am even the poster girl for the event!

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OTT Ultra