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SF MARATHON 1ST HALF 2025

Annie Zhang

San Francisco, CA

Bib: 16890 F 26

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F25-29)
#0 / 761
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
10:43/mi
19:23
→ flat
5.34M
10:37/mi
56:51
↑ 80↓ 74
6.15M
11:34/mi
1:06:13
↑ 126
10.54M
11:17/mi
1:55:44
↑ 230↓ 361
11.05M
16:26/mi
2:04:07
↑ 172
Finish· 13.11 mi
11:41/mi
2:28:10
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:06:1310:46 /mi⚡ faster
2nd Half
1:21:5711:47 /mi+23.8%
Positive split — 23.8% 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
19:2310:431.81 mi19:23
10:43
-
5.34M
56:5110:393.53 mi37:28
10:37
-0:06
6.15M
1:06:1310:460.81 mi9:22
11:34
+0:57
10.54M
1:55:4410:594.39 mi49:31
11:17
-0:17
11.05M
2:04:0711:140.51 mi8:23
16:26
+5:09
Finish(13.11 mi)
2:28:1011:182.06 mi24:03
11:41
-4:45
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:37 /mi

Average Pace

11:18 /mi

Slowest Pace

16:26 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:19:47

94% of race

Time at Slower Pace

8:23

6% of race

Average Pace: 11:18 /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. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81M1.81 mi5279204053952792040539
5.34M3.53 mi4671+6081725+315466+7344461597439
6.15M0.81 mi4704-331736-11464+248191793495
10.54M4.39 mi4635+691708+28457+746081718466
11.05M0.51 mi4659-241720-12466-948411873502
Finish(13.11 mi)2.06 mi4603+561721-1470-446361815492

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 74%
~flat
+4ft-3ft

Overall

5279

Females

2040

F25-29

540

1.81M→5.34M

1.8 - 5.3 mi

Top 63%
×4story building
+80ft-74ft

Overall

4446

Females

1597

F25-29

440

5.34M→6.15M

5.3 - 6.2 mi

Top 68%
×10story building
+126ft-4ft

Overall

4819

Females

1793

F25-29

496

6.15M→10.54M

6.2 - 10.5 mi

Top 65%
×21story building
+230ft-361ft

Overall

4608

Females

1718

F25-29

466

10.54M→11.05M

10.5 - 11.1 mi

Top 68%
×14story building
+172ft-0ft

Overall

4841

Females

1873

F25-29

503

11.05M→Finish

11.1 - 13.1 mi

Top 65%
×7story building
+97ft-114ft

Overall

4636

Females

1815

F25-29

492

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#5279
1.81M → 5.34M
56664*+608
#5279 → #4671
5.34M → 6.15M
9562-33
#4671 → #4704
6.15M → 10.54M
147216*+69
#4704 → #4635
10.54M → 11.05M
6238-24
#4635 → #4659
11.05M → Finish
56112*+56
#4659 → #4603
TOTALS
4161092*+676
#5279 → #4603

* 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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