Thames Ring 250
- Total distance: 413.45 km
- Location: Streatley
- Race Date: 21 Apr 2027
- Finish rate: 54%
- Entry Cost: £375
- Pacing Complexity: Low (15/100)
Thames Ring 250
- Distance
- 413.45 km
- Total ascent
- 1,588 m
- Town/Village
- Streatley
- Date
- 21-25 April 2027
- Entry cost
- £375
Overview
No overview text has been written for this race yet.
Quick Facts
- Entrance Cost: £375
- Organiser: Challenge Running Ltd
- Start Town: Streatley
- Dogs Allowed: Unknown
- Start Date: 21 Apr 2027
- End Date: 25 Apr 2027
- Start Time: Unknown
- Final Cut-off: Unknown
Navigation
- Type: Unknown
- Closest Train Station: Unknown
- Distance from Start Line: Unknown
Eligibility
- Minimum Age: 18 years
- Gender Eligibility: All genders
- Minimum Entry Criteria: Unknown
Toilets
- Hand Washing Beyond Sanitiser: Unknown
- Period Products Provided: Unknown
- Female Only Toilets: Unknown
Family & Spectators
- Baby Changing at Start: Unknown
- Family Friendly Spectator Areas: Unknown
- Flexible Deferral or Cancellation: Unknown
Safety
- Marshalls at Isolated Areas: Unknown
- Safeguarding and Reporting Policy: Unknown
- Can Hide Location from Public Tracking: Unknown
Terrain & Elevation
Thames Ring 250 has 360.1 km of off-road / unknown, this is in the top 2% of all our races.
- Off-road / Unknown100% · 360.1 km
Distance
413.4 km
Ascent
1588 m
Descent
1587 m
High Point
155 m
Source: GPX Data
Gradient
0.85%
Average climb gradient
Do you have experience of gentle climbs like Thames Ring 250's, which average 0.85%?
Thames Ring 250's climbs average 0.85%. If your training never rehearses sustained climbing at that gradient, race day will be the first time your legs meet it.
0.12%
Average descent gradient
Do you have experience of gentle descents like Thames Ring 250's, which average 0.12%?
Thames Ring 250's descents average 0.12%. If your training never rehearses sustained descending at that gradient, the downhills will empty your quads long before the finish.
Source: GPX Data
Climate
Pacing Complexity
Thames Ring 250 scores 15/100 for pacing complexity, rated low.
Similar-distance races score a median of 47/100 (5 races compared).
Thames Ring 250 is one of the more pacing-friendly races at this distance. The course is relatively consistent in effort demand, which makes a controlled, steady approach more viable than on many similar-distance events. Sustained effort burden is still the main watchpoint, but overall the course rewards disciplined execution over reactive pacing.
Source: GPX Data
Aid Stations
No aid station data available for this race yet.
Are you ready for Thames Ring 250?
Compare it to a race you've already run, or connect Strava and see the three biggest gaps between your training and what this course will ask of you.

