Sarah Ngai
El Segundo, CA
Bib: 13416 F 57
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 | 20:28 | 9:18 | 2.20 mi | 20:28 | 9:18 | - | |
5.7M | 1:01:21 | 10:46 | 3.50 mi | 40:53 | 11:41 | +2:23 | |
6.43M | 1:15:01 | 11:40 | 0.73 mi | 13:40 | 18:43 | +7:02 | |
8.3M | 1:32:57 | 11:12 | 1.87 mi | 17:56 | 9:35 | -9:08 | |
11.45M | 2:11:53 | 11:31 | 3.15 mi | 38:56 | 12:22 | +2:47 | |
FINISH(13.11 mi) | 2:35:12 | 11:50 | 1.66 mi | 23:19 | 14:03 | +1:41 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:18 /mi
Average Pace
11:50 /mi
Slowest Pace
18:43 /mi
Segments
Time at Faster Pace
38:24
25% of race
Time at Steady Pace
1:19:49
51% of race
Time at Slower Pace
36:59
24% of race
Average Pace: 11:50 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F55-59 | Seg. Overall | Seg. Females | Seg. F55-59 |
|---|---|---|---|---|---|---|---|---|
| 2.2M | 2.20 mi | 2.20 mi | 2963 | 1242 | 43 | 2963 | 1242 | 43 |
| 5.7M | 5.70 mi | 3.50 mi | 2860+103 | 1174+68 | 38+5 | 2817 | 1157 | 37 |
| 6.43M | 6.43 mi | 0.73 mi | 3041-181 | 1264-90 | 44-6 | 3648 | 1635 | 62 |
| 8.3M | 8.30 mi | 1.87 mi | 3027+14 | 1256+8 | 43+1 | 3015 | 1277 | 46 |
| 11.45M | 11.45 mi | 3.15 mi | 2975+52 | 1248+8 | 44-1 | 2915 | 1242 | 45 |
| FINISH | 13.11 mi | 1.66 mi | 3017-42 | 1286-38 | 46-2 | 3191 | 1415 | 51 |
Segment Performance Analysis
Start → 2.2M
0.0 - 2.2 mi
Overall
2963
Females
1242
F55-59
43
2.2M→5.7M
2.2 - 5.7 mi
Overall
2817
Females
1157
F55-59
37
5.7M→6.43M
5.7 - 6.4 mi
Overall
3648
Females
1635
F55-59
62
6.43M→8.3M
6.4 - 8.3 mi
Overall
3015
Females
1277
F55-59
46
8.3M→11.45M
8.3 - 11.4 mi
Overall
2915
Females
1242
F55-59
45
11.45M→FINISH
11.4 - 13.1 mi
Overall
3191
Females
1415
F55-59
51
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.2M | - | - | - | - | #2963 |
| 2.2M → 5.7M | 195* | 92 | +103 | #2963 | #2860 |
| 5.7M → 6.43M | 1 | 182 | -181 | #2860 | #3041 |
| 6.43M → 8.3M | 48 | 34 | +14 | #3041 | #3027 |
| 8.3M → 11.45M | 93* | 41 | +52 | #3027 | #2975 |
| 11.45M → FINISH | 39* | 81 | -42 | #2975 | #3017 |
| TOTALS | 376* | 430 | -54 |
* 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
