Thomas O Byrne
Bib: 38258 M IE
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
Unlock your AI Race Performance Report
Your Race Story, performance analysis & focus areas — built from your data, free when you claim.
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
5K | 20:04 | 6:28 | 3.11 mi | 20:04 | 6:28 | - | |
10K | 40:26 | 6:31 | 3.10 mi | 20:22 | 6:34 | +0:06 | |
15K | 1:01:05 | 6:34 | 3.11 mi | 20:39 | 6:39 | +0:05 | |
20K | 1:21:09 | 6:32 | 3.11 mi | 20:04 | 6:28 | -0:11 | |
Half(13.10 mi) | 1:25:37 | 6:33 | 0.67 mi | 4:28 | 6:40 | +0:12 | |
25K | 1:41:30 | 6:33 | 2.43 mi | 15:53 | 6:32 | -0:08 | |
30K | 2:02:09 | 6:34 | 3.11 mi | 20:39 | 6:39 | +0:07 | |
35K | 2:23:12 | 6:36 | 3.11 mi | 21:03 | 6:47 | +0:08 | |
40K | 2:44:23 | 6:37 | 3.10 mi | 21:11 | 6:50 | +0:03 | |
Finish(26.22 mi) | 2:53:37 | 6:38 | 1.37 mi | 9:14 | 6:47 | -0:03 |
Checkpoints & Pacing
Pace Line
Fastest Pace
6:28 /mi
Average Pace
6:38 /mi
Slowest Pace
6:50 /mi
Segments
Time at Faster Pace
2:32:26
88% of race
Time at Steady Pace
21:11
12% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 6:37 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M40-44 | Seg. Overall | Seg. Males | Seg. M40-44 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 2471 | 2326 | 2326 | 2456 | 2332 | 2332 |
| 10K | 3.10 mi | 2586-115 | 2436-110 | 2436-110 | 2668 | 2508 | 2508 |
| 15K | 3.11 mi | 2528+58 | 2392+44 | 2392+44 | 2456 | 2332 | 2332 |
| 20K | 3.11 mi | 2457+71 | 2331+61 | 2331+61 | 2312 | 2205 | 2205 |
| Half(13.10 mi) | 0.67 mi | 2442+15 | 2314+17 | 2314+17 | 2393 | 2282 | 2282 |
| 25K | 2.43 mi | 2386+56 | 2270+44 | 2270+44 | 2190 | 2084 | 2084 |
| 30K | 3.11 mi | 2303+83 | 2193+77 | 2193+77 | 2061 | 1955 | 1955 |
| 35K | 3.11 mi | 2191+112 | 2081+112 | 2081+112 | 2192 | 2049 | 2049 |
| 40K | 3.10 mi | 2096+95 | 1987+94 | 1987+94 | 2099 | 1934 | 1934 |
| Finish(26.22 mi) | 1.37 mi | 2064+32 | 1955+32 | 1955+32 | 2038 | 1864 | 1864 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
2456
Males
2332
M40-44
2332
5K→10K
3.1 - 6.2 mi
Overall
2668
Males
2508
M40-44
2508
10K→15K
6.2 - 9.3 mi
Overall
2456
Males
2332
M40-44
2332
15K→20K
9.3 - 12.4 mi
Overall
2312
Males
2205
M40-44
2205
20K→Half
12.4 - 13.1 mi
Overall
2393
Males
2282
M40-44
2282
Half→25K
13.1 - 15.5 mi
Overall
2190
Males
2084
M40-44
2084
25K→30K
15.5 - 18.6 mi
Overall
2061
Males
1955
M40-44
1955
30K→35K
18.6 - 21.8 mi
Overall
2192
Males
2049
M40-44
2049
35K→40K
21.8 - 24.9 mi
Overall
2099
Males
1934
M40-44
1934
40K→Finish
24.9 - 26.2 mi
Overall
2038
Males
1864
M40-44
1864
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #2471 |
| 5K → 10K | 15136-115 | #2471 → #2586 |
| 10K → 15K | 3189+58 | #2586 → #2528 |
| 15K → 20K | 2192+71 | #2528 → #2457 |
| 20K → Half | 823+15 | #2457 → #2442 |
| Half → 25K | 2076+56 | #2442 → #2386 |
| 25K → 30K | 25108+83 | #2386 → #2303 |
| 30K → 35K | 28140+112 | #2303 → #2191 |
| 35K → 40K | 29124+95 | #2191 → #2096 |
| 40K → Finish | 1749+32 | #2096 → #2064 |
| TOTALS | 330737+407 | #2471 → #2064 |
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
