Annika Lai
Stanford, CA
Bib: 10304 F 25
Race Timeline
The Course
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
2.2M | 16:20 | 7:26 | 2.20 mi | 16:20 | 7:26 | - | |
5.7M | 47:34 | 8:21 | 3.50 mi | 31:14 | 8:55 | +1:29 | |
6.43M | 55:56 | 8:42 | 0.73 mi | 8:22 | 11:28 | +2:33 | |
8.3M | 1:09:07 | 8:20 | 1.87 mi | 13:11 | 7:03 | -4:25 | |
11.45M | 1:37:39 | 8:32 | 3.15 mi | 28:32 | 9:04 | +2:01 | |
FINISH(13.11 mi) | 1:52:54 | 8:37 | 1.66 mi | 15:15 | 9:11 | +0:07 |
Checkpoints & Pacing
Pace Line
Fastest Pace
7:03 /mi
Average Pace
8:37 /mi
Slowest Pace
11:28 /mi
Segments
Time at Faster Pace
29:31
26% of race
Time at Steady Pace
1:15:01
66% of race
Time at Slower Pace
8:22
7% of race
Average Pace: 8:37 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F25-29 | Seg. Overall | Seg. Females | Seg. F25-29 |
|---|---|---|---|---|---|---|---|
| 2.2M | 2.20 mi | 729 | 174 | 49 | 729 | 174 | 49 |
| 5.7M | 3.50 mi | 649+80 | 138+36 | 32+17 | 644 | 131 | 26 |
| 6.43M | 0.73 mi | 616+33 | 122+16 | 24+8 | 427 | 78 | 20 |
| 8.3M | 1.87 mi | 623-7 | 125-3 | 25-1 | 723 | 164 | 41 |
| 11.45M | 3.15 mi | 640-17 | 132-7 | 31-6 | 731 | 175 | 42 |
| FINISH(13.11 mi) | 1.66 mi | 618+22 | 132 | 31 | 660 | 163 | 43 |
Segment Performance Analysis
Start → 2.2M
0.0 - 2.2 mi
Overall
729
Females
174
F25-29
49
2.2M→5.7M
2.2 - 5.7 mi
Overall
644
Females
131
F25-29
26
5.7M→6.43M
5.7 - 6.4 mi
Overall
427
Females
78
F25-29
21
6.43M→8.3M
6.4 - 8.3 mi
Overall
723
Females
164
F25-29
41
8.3M→11.45M
8.3 - 11.4 mi
Overall
731
Females
175
F25-29
42
11.45M→FINISH
11.4 - 13.1 mi
Overall
660
Females
163
F25-29
43
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.2M | - | - | - | - | #729 |
| 2.2M → 5.7M | 122 | 42 | +80 | #729 | #649 |
| 5.7M → 6.43M | 37 | 4 | +33 | #649 | #616 |
| 6.43M → 8.3M | 20 | 27 | -7 | #616 | #623 |
| 8.3M → 11.45M | 26* | 43 | -17 | #623 | #640 |
| 11.45M → FINISH | 32* | 10 | +22 | #640 | #618 |
| TOTALS | 237* | 126 | +111 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Charts
Passing Circle
Position Flow
Race Lanes
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Race managed by
The San Francisco Marathon
