Natasha Barker
Bib: 3014 F GB
Race Timeline
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 | 23:16 | 7:30 | 3.11 mi | 23:16 | 7:30 | - | |
10K | 46:28 | 7:29 | 3.10 mi | 23:12 | 7:29 | -0:01 | |
15K | 1:09:44 | 7:29 | 3.11 mi | 23:16 | 7:30 | +0:01 | |
20K | 1:32:24 | 7:27 | 3.11 mi | 22:40 | 7:18 | -0:12 | |
Half(13.10 mi) | 1:37:20 | 7:26 | 0.67 mi | 4:56 | 7:22 | +0:04 | |
25K | 1:54:58 | 7:25 | 2.43 mi | 17:38 | 7:15 | -0:07 | |
30K | 2:19:53 | 7:31 | 3.11 mi | 24:55 | 8:02 | +0:47 | |
35K | 2:46:02 | 7:39 | 3.11 mi | 26:09 | 8:26 | +0:24 | |
40K | 3:10:31 | 7:40 | 3.10 mi | 24:29 | 7:53 | -0:33 | |
Finish(26.22 mi) | 3:20:40 | 7:40 | 1.37 mi | 10:09 | 7:27 | -0:26 |
Checkpoints & Pacing
Pace Line
Fastest Pace
7:15 /mi
Average Pace
7:40 /mi
Slowest Pace
8:26 /mi
Segments
Time at Faster Pace
2:29:36
75% of race
Time at Steady Pace
51:04
25% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 7:39 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F18-39 | Seg. Overall | Seg. Females | Seg. F18-39 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 8946 | 1571 | 1571 | 7161 | 1028 | 1028 |
| 10K | 3.10 mi | 8442+504 | 1417+154 | 1417+154 | 8090 | 1290 | 1290 |
| 15K | 3.11 mi | 7926+516 | 1252+165 | 1252+165 | 7161 | 1028 | 1028 |
| 20K | 3.11 mi | 7658+268 | 1172+80 | 1172+80 | 6950 | 982 | 982 |
| Half(13.10 mi) | 0.67 mi | 7581+77 | 1149+23 | 1149+23 | 6114 | 754 | 754 |
| 25K | 2.43 mi | 7239+342 | 1069+80 | 1069+80 | 5852 | 713 | 713 |
| 30K | 3.11 mi | 7486-247 | 1161-92 | 1161-92 | 9302 | 1877 | 1877 |
| 35K | 3.11 mi | 7767-281 | 1309-148 | 1309-148 | 10287 | 2417 | 2417 |
| 40K | 3.10 mi | 7404+363 | 1276+33 | 1276+33 | 6344 | 1275 | 1275 |
| Finish(26.22 mi) | 1.37 mi | 7202+202 | 1235+41 | 1235+41 | 4626 | 770 | 770 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
7161
Females
1028
F18-39
1028
5K→10K
3.1 - 6.2 mi
Overall
8090
Females
1290
F18-39
1290
10K→15K
6.2 - 9.3 mi
Overall
7161
Females
1028
F18-39
1028
15K→20K
9.3 - 12.4 mi
Overall
6950
Females
982
F18-39
982
20K→Half
12.4 - 13.1 mi
Overall
6114
Females
754
F18-39
754
Half→25K
13.1 - 15.5 mi
Overall
5852
Females
713
F18-39
713
25K→30K
15.5 - 18.6 mi
Overall
9302
Females
1877
F18-39
1877
30K→35K
18.6 - 21.8 mi
Overall
10287
Females
2417
F18-39
2417
35K→40K
21.8 - 24.9 mi
Overall
6344
Females
1275
F18-39
1275
40K→Finish
24.9 - 26.2 mi
Overall
4626
Females
770
F18-39
770
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #8946 |
| 5K → 10K | 68572*+504 | #8946 → #8442 |
| 10K → 15K | 7523*+516 | #8442 → #7926 |
| 15K → 20K | 18286*+268 | #7926 → #7658 |
| 20K → Half | 178+77 | #7658 → #7581 |
| Half → 25K | 2344*+342 | #7581 → #7239 |
| 25K → 30K | 378131-247 | #7239 → #7486 |
| 30K → 35K | 200170-281 | #7486 → #7767 |
| 35K → 40K | 59422*+363 | #7767 → #7404 |
| 40K → Finish | 13215*+202 | #7404 → #7202 |
| TOTALS | 7462741*+1744 | #8946 → #7202 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
Passing Circle
Position Flow
Race Lanes
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Race managed by
London Marathon Events
Race timed by
Mika Timing
