Albert Kao
Palo Alto, CA
Bib: 12256 M 54
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 |
|---|---|---|---|---|---|---|---|
2M | 27:21 | 13:41 | 2.00 mi | 27:21 | 13:41 | - | |
4M | 54:42 | 13:41 | 2.00 mi | 27:21 | 13:41 | 0:00 | |
6M | 1:22:03 | 13:41 | 2.00 mi | 27:21 | 13:41 | 0:00 | |
8M | 1:49:25 | 13:41 | 2.00 mi | 27:21 | 13:41 | 0:00 | |
9.6M | 2:11:18 | 13:41 | 1.60 mi | 21:53 | 13:41 | 0:00 | |
10M | 2:16:46 | 13:41 | 0.40 mi | 5:28 | 13:41 | 0:00 | |
10.5M | 2:23:36 | 13:41 | 0.50 mi | 6:50 | 13:41 | 0:00 | |
12M | 2:44:07 | 13:41 | 1.50 mi | 20:31 | 13:41 | 0:00 | |
Finish(13.11 mi) | 2:59:17 | 13:41 | 1.11 mi | 15:10 | 13:41 | 0:00 |
Checkpoints & Pacing
Pace Line
Fastest Pace
13:41 /mi
Average Pace
13:41 /mi
Slowest Pace
13:41 /mi
Segments
Time at Faster Pace
2:59:17
100% of race
Time at Steady Pace
0:00
0% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 13:41 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M50-54 | Seg. Overall | Seg. Males | Seg. M50-54 |
|---|---|---|---|---|---|---|---|---|
| 2M | 2.00 mi | 2.00 mi | 6530 | 3613 | 193 | 2461 | 1694 | 80 |
| 4M | 4.00 mi | 2.00 mi | 6467+63 | 3594+19 | 189+4 | 6341 | 3547 | 187 |
| 6M | 6.00 mi | 2.00 mi | 6376+91 | 3558+36 | 187+2 | 6173 | 3500 | 183 |
| 8M | 8.00 mi | 2.00 mi | 6296+80 | 3543+15 | 187 | 5823 | 3377 | 177 |
| 9.6M | 9.60 mi | 1.60 mi | 6370-74 | 3559-16 | 191-4 | 6426 | 3561 | 193 |
| 10M | 10.00 mi | 0.40 mi | 6202+168 | 3509+50 | 185+6 | 299 | 243 | 10 |
| 10.5M | 10.50 mi | 0.50 mi | 6307-105 | 3538-29 | 190-5 | 6586 | 3624 | 196 |
| 12M | 12.00 mi | 1.50 mi | 6025+282 | 3432+106 | 181+9 | 2461 | 1694 | 80 |
| Finish | 13.11 mi | 1.11 mi | 6018+7 | 3430+2 | 182-1 | 5867 | 3292 | 173 |
Segment Performance Analysis
10.5M→12M
0.0 - 2.0 mi
Overall
2461
Males
1694
M50-54
80
2M→4M
2.0 - 4.0 mi
Overall
6341
Males
3547
M50-54
187
4M→6M
4.0 - 6.0 mi
Overall
6173
Males
3500
M50-54
183
6M→8M
6.0 - 8.0 mi
Overall
5823
Males
3377
M50-54
177
8M→9.6M
8.0 - 9.6 mi
Overall
6426
Males
3561
M50-54
193
9.6M→10M
9.6 - 10.0 mi
Overall
299
Males
243
M50-54
10
10M→10.5M
10.0 - 10.5 mi
Overall
6586
Males
3624
M50-54
196
10.5M→12M
10.5 - 12.0 mi
Overall
2461
Males
1694
M50-54
80
12M→Finish
12.0 - 13.1 mi
Overall
5867
Males
3292
M50-54
173
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2M | - | - | - | - | #6530 |
| 2M → 4M | 69* | 6 | +63 | #6530 | #6467 |
| 4M → 6M | 95* | 4 | +91 | #6467 | #6376 |
| 6M → 8M | 105* | 25 | +80 | #6376 | #6296 |
| 8M → 9.6M | 11* | 85 | -74 | #6296 | #6370 |
| 9.6M → 10M | 168 | 0 | +168 | #6370 | #6202 |
| 10M → 10.5M | 0 | 105 | -105 | #6202 | #6307 |
| 10.5M → 12M | 287* | 5 | +282 | #6307 | #6025 |
| 12M → Finish | 36* | 29 | +7 | #6025 | #6018 |
| TOTALS | 771* | 259 | +512 |
* 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
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