How far is the Thames Path Challenge?

The Thames Path Challenge offers 5 distances: 100km (62.1 miles), 75km (46.6 miles), 50km (31.1 miles), 25km (15.5 miles), Henley 10K (6.2 miles).

Is the Thames Path Challenge course marked?

Yes, the course is marked. Navigation skills are not required.

Ultra Challenge Thames Path Challenge

Putney Bridge, LondonNo date announced yet

A hundred kilometres of Thames towpath from Putney Bridge to Henley, or seventy-five, fifty or twenty-five of it.

Distance	Ascent	Per km
100km	—	—
75km	—	—
50km	—	—
25km	—	—
Henley 10K	—	—

riversideflatMarked course

Nobody has reviewed this one yet

No reviews of the Thames Path Challenge, and nothing on what people wore. Both are things no organiser publishes and every runner wants before they enter — how it actually went, and what was on your feet.

Ran it? Write the first review

Running it soon? Connect Strava and we will ask you about it the day you finish, so you do not have to remember to come back.

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How to enter

No date announced for the next running yet. Ultra Challenge’s site ↗ is where it will show up first.

Common questions

: The Thames Path Challenge offers 5 distances: 100km (62.1 miles), 75km (46.6 miles), 50km (31.1 miles), 25km (15.5 miles), Henley 10K (6.2 miles).
: No course file for the Thames Path Challenge yet, so there's no measured climb here. When Ultra Challenge publish one, this fills in.
: Not graded yet. A TRP grade is worked out from distance and climb measured off the course file, and there isn't one for the Thames Path Challenge yet.
: Yes, the course is marked. Navigation skills are not required.
: We don't hold a compulsory kit list for the Thames Path Challenge. Ultra Challenge confirm mandatory kit in their race information, usually in the final instructions.
: We don't hold published time limits for the Thames Path Challenge. If Ultra Challenge set cut-offs, they'll be in the race information.
: We don't hold a checkpoint list for the Thames Path Challenge. What's on the table varies a lot between races, so check the Ultra Challenge race information rather than turning up expecting food.
: Not yet — we don't hold a course file for the Thames Path Challenge. Some organisers only send the GPX to entrants. If we get one, it goes up free, with no sign-up.
: No date announced. When Ultra Challenge confirm the next Thames Path Challenge, it appears here and on the race calendar.

Past runnings

2026Sat, 12 Sept 2026