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SF MARATHON 1ST HALF 2025

Dan Dan Yu

Palo Alto, CA

Bib: 15175 F 43

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Masters (Masters Women)
#0 / 776
Top 39%
Division (F40-44)
#0 / 244
Top 42%
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
10:08/mi
18:21
→ flat
5.34M
10:52/mi
56:41
↑ 80↓ 74
6.15M
11:30/mi
1:06:00
↑ 126
10.54M
10:54/mi
1:53:53
↑ 230↓ 361
11.05M
16:06/mi
2:02:06
↑ 172
Finish· 13.11 mi
11:41/mi
2:26:10
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:06:0010:44 /mi⚡ faster
2nd Half
1:20:1011:31 /mi+21.5%
Positive split — 21.5% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.81M
18:2110:081.81 mi18:21
10:08
-
5.34M
56:4110:373.53 mi38:20
10:52
+0:44
6.15M
1:06:0010:440.81 mi9:19
11:30
+0:38
10.54M
1:53:5310:484.39 mi47:53
10:54
-0:36
11.05M
2:02:0611:030.51 mi8:13
16:06
+5:12
Finish(13.11 mi)
2:26:1011:092.06 mi24:04
11:41
-4:25
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:08 /mi

Average Pace

11:09 /mi

Slowest Pace

16:06 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

18:21

13% of race

Time at Steady Pace

1:59:36

82% of race

Time at Slower Pace

8:13

6% of race

Average Pace: 11:09 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
1.81M1.81 mi4184147410441841474104
5.34M3.53 mi4615-4311689-215114-1048381808120
6.15M0.81 mi4633-181698-9111+347641764110
10.54M4.39 mi4361+2721560+13898+134138146490
11.05M0.51 mi4395-341582-229846491768107
Finish(13.11 mi)2.06 mi4426-311622-40103-546451819120

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 59%
~flat
+4ft-3ft

Overall

4184

Females

1474

F40-44

104

1.81M→5.34M

1.8 - 5.3 mi

Top 68%
×4story building
+80ft-74ft

Overall

4838

Females

1808

F40-44

120

5.34M→6.15M

5.3 - 6.2 mi

Top 67%
×10story building
+126ft-4ft

Overall

4764

Females

1764

F40-44

110

6.15M→10.54M

6.2 - 10.5 mi

Top 58%
×21story building
+230ft-361ft

Overall

4138

Females

1464

F40-44

90

10.54M→11.05M

10.5 - 11.1 mi

Top 65%
×14story building
+172ft-0ft

Overall

4649

Females

1768

F40-44

107

11.05M→Finish

11.1 - 13.1 mi

Top 65%
×7story building
+97ft-114ft

Overall

4645

Females

1819

F40-44

120

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#4184
1.81M → 5.34M
555124*-431
#4184 → #4615
5.34M → 6.15M
8264-18
#4615 → #4633
6.15M → 10.54M
79351*+272
#4633 → #4361
10.54M → 11.05M
7743-34
#4361 → #4395
11.05M → Finish
10069*-31
#4395 → #4426
TOTALS
893651*-242
#4184 → #4426

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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