Compiled and fact-checked by Tommo, Verus founder · Last verified August 2026 · Spot an error?
Running · 10Ks
Watford 10K 2027
- Race day
- Sunday, 7 February 2027
- Location
- Watford, Hertfordshire, UK
- Distance
- 6.24 mi / 10.0 km
Watford 10K: 7 February 2027. Entry, the Cassiobury Park and canal towpath course, charity, a pace calculator.
Watford 10K Race Timeline
150 days to go
More than 42 days out — a good window to build a consistent base before 10K-specific training ramps up.
Watford 10K 2027: quick answers
When is Watford 10K 2027?
Watford 10K 2027 takes place on Sunday, 7 February 2027, starting at 10:00am (starts together with the Watford Half Marathon, diverging onto its own route at 4km).
What time does Watford 10K start?
Watford 10K starts at 10:00am (starts together with the Watford Half Marathon, diverging onto its own route at 4km) from Cassiobury Park, Watford.
Where does Watford 10K start and finish?
Watford 10K starts at Cassiobury Park, Watford and finishes at Cassiobury Park, Watford.
How many miles is Watford 10K?
Watford 10K is 6.24 miles (10km).
How much elevation gain does Watford 10K have?
Watford 10K has approximately 180ft of total elevation gain. Mostly flat with a shorter, gentler profile than the Half — the organizer's interactive elevation tool puts total gain at around 180ft (55m) across the traffic-free roads, canal towpath and woodland trail sections.
How much does Watford 10K cost to enter?
Entry is direct via Active Training World — no ballot. 10K entry tiers were £35 (affiliated) to £37 (unaffiliated) as of Aug 2026; the 10K has sold out in a prior year, so a place isn't guaranteed if you leave it late. Always confirm current pricing on the official site.
How can I track a runner at Watford 10K?
No dedicated live-tracking app is advertised for this event — check the official ATW event page for updates closer to race day.
Key Race Metrics & Overview
- Date
- Sunday, 7 February 2027
- Distance
- 6.24 miles / 10.0km
- Location
- Watford, Hertfordshire, UK
- Start Point
- Cassiobury Park, Watford
- Finish Point
- Cassiobury Park, Watford
- Start time
- 10:00am (starts together with the Watford Half Marathon, diverging onto its own route at 4km)
- Elevation gain
- 180 ft (55m)
- Surface
- Traffic-free roads, canal towpath and woodland trail
- Cut-off time
- No published cut-off time for the 10K.
- Age requirement
- Runners must be 15 or over on race day.
- Tracking app
- No dedicated live-tracking app is advertised for this event — check the official ATW event page for updates closer to race day.
Direct Entry Summary
Entry is direct via Active Training World — no ballot. 10K entry tiers were £35 (affiliated) to £37 (unaffiliated) as of Aug 2026; the 10K has sold out in a prior year, so a place isn't guaranteed if you leave it late. Always confirm current pricing on the official site.
Ballot Policy
No ballot — entry is first come, first served via Active Training World.
Watford 10K Race Day Weather
A real forecast appears here once one exists for race day — usually about a week to ten days out. Nothing is shown until then, because a made-up forecast is worse than none.
Watford 10K Route Map & Elevation Profile
Starting at Cassiobury Park, Watford and finishing at Cassiobury Park, Watford. 180 ft of total elevation gain across 6.24 miles.
Is Watford 10K flat?
Mostly flat with a shorter, gentler profile than the Half — the organizer's interactive elevation tool puts total gain at around 180ft (55m) across the traffic-free roads, canal towpath and woodland trail sections.
Watford 10K Course Profile
180 ft total elevation gain.
Tap a point on the course for details.
Cassiobury Park, Watford
Start line.
Grand Union Canal towpath
A flat stretch along the canal after the opening traffic-free roads section.
Woodland trails
+180ft (55m) — The final stretch through woodland back past the Event HQ — where most of the course's modest elevation change happens.
Where Watford 10K starts and finishes
These are the start and finish points, not the route. Verus doesn't hold course files for this race, and drawing a line between two pins would be a guess you might end up training on. The official course map is the one to use: view it on the organiser's site .
Full Watford 10K Route Breakdown
Shares its Cassiobury Park start and finish with the Half Marathon, running together with the Half runners for the first 4km before diverging onto its own route — traffic-free roads, a stretch along the Grand Union Canal towpath, then woodland trails back past the Event HQ to the finish.
Watford 10K Pace Calculator & Splits
Watford 10K Pace Calculator
Enter a target finish time to see your pace and projected splits.
Average pace / mile
38:28
Average pace / km
23:54
Watford 10K Pace Chart
Split markers calculated for standard checkpoints — no official pacers are confirmed for this event.
| Target | Pace /mi | Pace /km | 5K | 10K | Finish |
|---|---|---|---|---|---|
| 3:00 | 28:51 | 17:55 | 1:29:37 | 2:59:15 | 3:00:00 |
| 3:15 | 31:15 | 19:25 | 1:37:05 | 3:14:11 | 3:15:00 |
| 3:30 | 33:39 | 20:55 | 1:44:33 | 3:29:07 | 3:30:00 |
| 3:45 | 36:03 | 22:24 | 1:52:02 | 3:44:03 | 3:45:00 |
| 4:00 | 38:28 | 23:54 | 1:59:30 | 3:58:59 | 4:00:00 |
| 4:15 | 40:52 | 25:24 | 2:06:58 | 4:13:56 | 4:15:00 |
| 4:30 | 43:16 | 26:53 | 2:14:26 | 4:28:52 | 4:30:00 |
| 4:45 | 45:40 | 28:23 | 2:21:54 | 4:43:48 | 4:45:00 |
| 5:00 | 48:05 | 29:52 | 2:29:22 | 4:58:44 | 5:00:00 |
| 5:30 | 52:53 | 32:52 | 2:44:18 | 5:28:37 | 5:30:00 |
| 6:00 | 57:42 | 35:51 | 2:59:15 | 5:58:29 | 6:00:00 |
| 6:30 | 1:02:30 | 38:50 | 3:14:11 | 6:28:21 | 6:30:00 |
| 7:00 | 1:07:18 | 41:49 | 3:29:07 | 6:58:14 | 7:00:00 |
Watford 10K Finish Time Estimator
Enter a recent 5K, 10K or Half Marathon time to estimate your Watford 10K finish time.
Your 5K time
Estimated Watford 10K finish
52:21
An estimate only, based on Pete Riegel's race-time prediction formula. Real marathon performance depends on endurance, training specificity, pacing and race-day conditions — not just your speed over a shorter distance.
Training for a different distance? Try the full pace calculator, race time predictor or pace chart.
Got your target time? Save it to your profile.
Tag Watford 10K, set your goal pace, and let Verus track your countdown, training and fundraising in one place.
Start Your Verus JourneyWatford 10K Race Day Checklist
Tap items to mark off your race-day readiness.
- Race number attached, and any timing chip fitted per your race pack instructions
- Weather-appropriate kit for a February towpath and woodland-trail course
- Your own gels/fuel, since on-course water/gel station details weren't published at the time of writing
- A plan for reaching Cassiobury Park — there's no organised event parking, so use Watford town centre or public transport
- A meeting point agreed with family/friends in Cassiobury Park for after the race
Training Strategy for Watford 10K
6-10 weeks is a solid window for a 10K, whether it's your first or you're chasing a PB. Consistency and a weekly speed or threshold session matter more here than sheer mileage.
This course has real climbs — woodland trails around mile 5 — so include some hill-repeat sessions midweek rather than relying only on flat long runs.
Ease off mileage in the final week, keeping a couple of short, sharp race-pace efforts to stay fresh. Arrive at Cassiobury Park, Watford fresh, energized, and primed — not fit, fresh.
Lock in your target pace using the interactive splits calculator below — no official pacers are confirmed for this event, so a pace band on your watch is the more reliable option.
Test your race-day fuel and hydration plan on your long training runs, not for the first time on race day — check the Race Day Checklist below for what's actually on this course.
10K Nutrition & Fueling Plan
A 10K doesn't demand the same carb-loading as a half or full marathon — a normal balanced diet in the days before is fine, with a slightly larger carb portion the night before.
Eat something light and familiar 1-2 hours before the start.
On-course water/gel station details weren't published at the time of writing — most runners won't need fuel for a 10K, but carry water if you prefer to.
Refuelling with carbohydrate and protein soon after you finish is the well-understood way to kick-start recovery.
Watford 10K Charity Places 2027
The event's official charity partner is Alzheimer's Research UK, with an optional donation add-on at checkout — there's no separate discounted charity-place scheme with other named charities published for this event.
Lead with your personal story — explain why the charity matters to you. Personal connection generates 3x more support than a generic link broadcast.
Share key training milestones on Instagram (first 10-miler, peak week, race week) with your fundraising link in bio. Publicly thanking donors prompts secondary gifts!
Running Watford 10K for charity?
Link your JustGiving page to Verus and show up right here alongside other Watford 10K fundraisers — goal, progress and story, all in one place.
Add Your Fundraiser to VerusWhere to Stay for Watford 10K
Watford town centre
The most hotel choice, close to Watford Junction and the Underground, and a short journey to Cassiobury Park.
Not walking distance to the park itself for most hotels.
Cassiobury Park / Nascot area
Closest to the start and finish — realistic to walk on race morning.
A residential area with limited hotel choice compared to the town centre.
Travel & Logistics
No organised parking is available at Cassiobury Park itself. Watford Metropolitan (Underground) station is about a 2-minute walk, Watford High Street station about 8 minutes, and Watford Junction (mainline) around 20-45 minutes on foot depending on route.
Not applicable — the official guidance is to use Watford town centre parking or public transport rather than driving directly to the park.
Roads and paths around the course are closed to traffic for the duration of the event.
Spectator & Cheer Guide
Cassiobury Park itself, right by the start and finish, is the easiest spot to watch from.
Because the route loops back through Cassiobury Park, spectators based there can often see runners pass more than once without moving far.
No dedicated live-tracking app is advertised for this event — check the official ATW event page for updates closer to race day.
Watford 10K Frequently Asked Questions
Everything you need to know for race weekend.
People Also Search For
Similar races
Hitchin 10K
Hitchin, Hertfordshire, UK
Hertfordshire 10K
Knebworth, Hertfordshire, UK
St Albans 10K
St Albans, Hertfordshire, UK
Welwyn 10K
Welwyn Garden City, Hertfordshire, UK
Abbots Langley Tough Ten
Abbots Langley, Hertfordshire, UK
Standalone 10K
Letchworth Garden City, Hertfordshire, UK
Race details independently compiled and fact-checked by Tommo against the official Watford 10K site , last verified August 2026. Always confirm official timings and policies directly prior to race day.