Jack Margerrison
Bib: 5178 M GB
Race Timeline
See every mile of your race
Add your watch's GPX to unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.
Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.
The Course
Half Splits
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
5K | 20:20 | 6:33 | 3.11 mi | 20:20 | 6:33 | - | |
10K | 40:32 | 6:32 | 3.10 mi | 20:12 | 6:31 | -0:02 | |
15K | 1:02:10 | 6:41 | 3.11 mi | 21:38 | 6:58 | +0:27 | |
20K | 1:22:15 | 6:38 | 3.11 mi | 20:05 | 6:28 | -0:30 | |
Half(13.10 mi) | 1:26:41 | 6:38 | 0.67 mi | 4:26 | 6:37 | +0:09 | |
25K | 1:42:50 | 6:38 | 2.43 mi | 16:09 | 6:38 | +0:01 | |
30K | 2:03:40 | 6:39 | 3.11 mi | 20:50 | 6:43 | +0:05 | |
35K | 2:24:34 | 6:39 | 3.11 mi | 20:54 | 6:44 | +0:01 | |
40K | 2:45:28 | 6:40 | 3.10 mi | 20:54 | 6:44 | 0:00 | |
Finish(26.22 mi) | 2:54:36 | 6:40 | 1.37 mi | 9:08 | 6:42 | -0:02 |
Checkpoints & Pacing
Pace Line
Fastest Pace
6:28 /mi
Average Pace
6:40 /mi
Slowest Pace
6:58 /mi
Segments
Time at Faster Pace
2:32:58
88% of race
Time at Steady Pace
21:38
12% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 6:40 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M18-39 | Seg. Overall | Seg. Males | Seg. M18-39 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 2879 | 2691 | 2691 | 4224 | 3864 | 3864 |
| 10K | 3.10 mi | 2655+224 | 2496+195 | 2496+195 | 2452 | 2321 | 2321 |
| 15K | 3.11 mi | 3045-390 | 2842-346 | 2842-346 | 4224 | 3864 | 3864 |
| 20K | 3.11 mi | 2843+202 | 2669+173 | 2669+173 | 2330 | 2223 | 2223 |
| Half(13.10 mi) | 0.67 mi | 2799+44 | 2635+34 | 2635+34 | 2220 | 2121 | 2121 |
| 25K | 2.43 mi | 2737+62 | 2582+53 | 2582+53 | 2607 | 2454 | 2454 |
| 30K | 3.11 mi | 2627+110 | 2482+100 | 2482+100 | 2292 | 2159 | 2159 |
| 35K | 3.11 mi | 2430+197 | 2298+184 | 2298+184 | 2039 | 1915 | 1915 |
| 40K | 3.10 mi | 2257+173 | 2132+166 | 2132+166 | 1780 | 1647 | 1647 |
| Finish(26.22 mi) | 1.37 mi | 2190+67 | 2066+66 | 2066+66 | 1800 | 1659 | 1659 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
4224
Males
3864
M18-39
3864
5K→10K
3.1 - 6.2 mi
Overall
2452
Males
2321
M18-39
2321
10K→15K
6.2 - 9.3 mi
Overall
4224
Males
3864
M18-39
3864
15K→20K
9.3 - 12.4 mi
Overall
2330
Males
2223
M18-39
2223
20K→Half
12.4 - 13.1 mi
Overall
2220
Males
2121
M18-39
2121
Half→25K
13.1 - 15.5 mi
Overall
2607
Males
2454
M18-39
2454
25K→30K
15.5 - 18.6 mi
Overall
2292
Males
2159
M18-39
2159
30K→35K
18.6 - 21.8 mi
Overall
2039
Males
1915
M18-39
1915
35K→40K
21.8 - 24.9 mi
Overall
1780
Males
1647
M18-39
1647
40K→Finish
24.9 - 26.2 mi
Overall
1800
Males
1659
M18-39
1659
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #2879 |
| 5K → 10K | 24248*+224 | #2879 → #2655 |
| 10K → 15K | 20012-390 | #2655 → #3045 |
| 15K → 20K | 5207*+202 | #3045 → #2843 |
| 20K → Half | 145+44 | #2843 → #2799 |
| Half → 25K | 1577+62 | #2799 → #2737 |
| 25K → 30K | 16126+110 | #2737 → #2627 |
| 30K → 35K | 12209*+197 | #2627 → #2430 |
| 35K → 40K | 21194+173 | #2430 → #2257 |
| 40K → Finish | 1077+67 | #2257 → #2190 |
| TOTALS | 3041195*+689 | #2879 → #2190 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
Passing Circle
Position Flow
Race Lanes
Is this your race? Claim it to upload your GPX and export your data as yours.
Upload your GPX file
Add per-mile pace & heart rate — works with Garmin, Apple Watch, Strava & more.
Download your race track as a GPX or TCX file for Strava, Garmin Connect, or other apps.
Questions or issues regarding timing data?
If you notice any discrepancies in your timing data or have questions about your results, our support team can help.
Contact Race SupportQuick Links
Find another athlete or browse the full results
Public Race Data
Enhanced athlete results built from publicly available data.
Race managed by
London Marathon Events
Race timed by
Mika Timing
