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SF MARATHON 1ST HALF 2025

Cindy Su

Redmond, WA

Bib: 16315 F 20

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
F20-29
#0 / 410
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
10:38/mi
19:15
→ flat
5.34M
10:56/mi
57:49
↑ 80↓ 74
6.15M
11:23/mi
1:07:02
↑ 126
10.54M
10:55/mi
1:54:58
↑ 230↓ 361
11.05M
16:26/mi
2:03:21
↑ 172
Finish· 13.11 mi
11:22/mi
2:26:45
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:07:0210:54 /mi⚡ faster
2nd Half
1:19:4311:27 /mi+18.9%
Positive split — 18.9% 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
19:1510:381.81 mi19:15
10:38
-
5.34M
57:4910:503.53 mi38:34
10:56
+0:18
6.15M
1:07:0210:540.81 mi9:13
11:23
+0:27
10.54M
1:54:5810:544.39 mi47:56
10:55
-0:28
11.05M
2:03:2111:100.51 mi8:23
16:26
+5:31
Finish(13.11 mi)
2:26:4511:122.06 mi23:24
11:22
-5:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:38 /mi

Average Pace

11:12 /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

2:18:22

94% of race

Time at Slower Pace

8:23

6% of race

Average Pace: 11:12 /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. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.81M1.81 mi5152197330551521973305
5.34M3.53 mi4955+1971871+102291+1449321862289
6.15M0.81 mi4890+651838+33292-146161691274
10.54M4.39 mi4538+3521654+184268+2441531474233
11.05M0.51 mi4553-151661-7266+248371869289
Finish(13.11 mi)2.06 mi4483+701651+10264+242751623263

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 73%
~flat
+4ft-3ft

Overall

5152

Females

1973

F20-24

306

1.81M→5.34M

1.8 - 5.3 mi

Top 69%
×4story building
+80ft-74ft

Overall

4932

Females

1862

F20-24

290

5.34M→6.15M

5.3 - 6.2 mi

Top 65%
×10story building
+126ft-4ft

Overall

4616

Females

1691

F20-24

275

6.15M→10.54M

6.2 - 10.5 mi

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

Overall

4153

Females

1474

F20-24

234

10.54M→11.05M

10.5 - 11.1 mi

Top 68%
×14story building
+172ft-0ft

Overall

4837

Females

1869

F20-24

290

11.05M→Finish

11.1 - 13.1 mi

Top 60%
×7story building
+97ft-114ft

Overall

4275

Females

1623

F20-24

263

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#5152
1.81M → 5.34M
172369*+197
#5152 → #4955
5.34M → 6.15M
3499+65
#4955 → #4890
6.15M → 10.54M
48400*+352
#4890 → #4538
10.54M → 11.05M
5136-15
#4538 → #4553
11.05M → Finish
43113*+70
#4553 → #4483
TOTALS
3481017*+669
#5152 → #4483

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

Passing Visualized

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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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