Thames Ring 100
- Total distance: 160.9 km
- Location: Nether Heyford
- Race Date: 23 Apr 2027
- Finish rate: 78%
- Entry Cost: £150
- Pacing Complexity: Moderate (29/100)
Thames Ring 100
- Distance
- 160.9 km
- Total ascent
- 543 m
- Cut-off
- 34h
- Town/Village
- Nether Heyford
- Date
- 23-24 April 2027
- Entry cost
- £150
Overview
No overview text has been written for this race yet.
Quick Facts
- Entrance Cost: £150
- Organiser: Challenge Running Ltd
- Start Town: Nether Heyford
- Dogs Allowed: Unknown
- Start Date: 23 Apr 2027
- End Date: 24 Apr 2027
- Start Time: Unknown
- Final Cut-off: 34h
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
The course covers a genuine mix of surfaces, with trail (36%) and gravel (26%) being the most common and neither clearly dominating. The terrain is highly fragmented, switching roughly every kilometre. This demands constant mental engagement and limits the ability to build a sustained rhythm from surface consistency alone. The longest unbroken stretch is 7.2 km of gravel. Uphills are predominantly on trail (86% of ascending sections). Downhills are spread across a mix of surfaces, with grass most common.
Thames Ring 100 has 52.9 km of trail / path, this is in the top 11% of all our races.
- Trail / Path36% · 52.9 km
- Gravel / Track26% · 38.8 km
- Grass18% · 26.6 km
- Paved Road17% · 23.9 km
- Off-road / Unknown3% · 4.7 km
- Rocky0% · 0.2 km
Distance
157.6 km
Ascent
543 m
Descent
576 m
High Point
155 m
Compared against 12 other races of a similar distance, Thames Ring 100 has more total elevation gain than 0% of them, and more elevation gain per kilometre than 0% of them — significantly flatter than typical for its distance.
Source: GPX Data
Gradient
0.78%
Average climb gradient
Do you have experience of gentle climbs like Thames Ring 100's, which average 0.78%?
Thames Ring 100's climbs average 0.78%. If your training never rehearses sustained climbing at that gradient, race day will be the first time your legs meet it.
0.21%
Average descent gradient
Do you have experience of gentle descents like Thames Ring 100's, which average 0.21%?
Thames Ring 100's descents average 0.21%. 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 100 scores 29/100 for pacing complexity, rated moderate.
Similar-distance races score a median of 41/100 (5 races compared).
Thames Ring 100 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. Terrain type changes 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 100?
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.
