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SF MARATHON 1ST HALF 2025

Tiffany Huang

Union City, CA

Bib: 15869 F 29

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 43%
Gender (Female)
#0 / 3107
Top 31%
Division (F25-29)
#0 / 761
Top 35%
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
9:55/mi
17:57
→ flat
5.34M
10:04/mi
53:29
↑ 80↓ 74
6.15M
10:03/mi
1:01:37
↑ 126
10.54M
9:53/mi
1:45:01
↑ 230↓ 361
11.05M
14:54/mi
1:52:37
↑ 172
Finish· 13.11 mi
10:05/mi
2:13:23
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:01:3710:01 /mi⚡ faster
2nd Half
1:11:4610:19 /mi+16.5%
Positive split — 16.5% 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
17:579:551.81 mi17:57
9:55
-
5.34M
53:2910:013.53 mi35:32
10:04
+0:09
6.15M
1:01:3710:010.81 mi8:08
10:03
-0:01
10.54M
1:45:019:584.39 mi43:24
9:53
-0:10
11.05M
1:52:3710:120.51 mi7:36
14:54
+5:01
Finish(13.11 mi)
2:13:2310:102.06 mi20:46
10:05
-4:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:53 /mi

Average Pace

10:10 /mi

Slowest Pace

14:54 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:05:47

94% of race

Time at Slower Pace

7:36

6% of race

Average Pace: 10:10 /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 mi3731125333737311253337
5.34M3.53 mi3566+1651173+80317+2035351154317
6.15M0.81 mi3404+1621093+80307+102776824229
10.54M4.39 mi3083+321960+133268+392764832225
11.05M0.51 mi3146-63993-33276-838471367372
Finish(13.11 mi)2.06 mi3030+116956+37264+122588805220

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 53%
~flat
+4ft-3ft

Overall

3731

Females

1253

F25-29

337

1.81M→5.34M

1.8 - 5.3 mi

Top 50%
×4story building
+80ft-74ft

Overall

3535

Females

1154

F25-29

317

5.34M→6.15M

5.3 - 6.2 mi

Top 39%
×10story building
+126ft-4ft

Overall

2776

Females

824

F25-29

229

6.15M→10.54M

6.2 - 10.5 mi

Top 39%
×21story building
+230ft-361ft

Overall

2764

Females

832

F25-29

225

10.54M→11.05M

10.5 - 11.1 mi

Top 54%
×14story building
+172ft-0ft

Overall

3847

Females

1367

F25-29

373

11.05M→Finish

11.1 - 13.1 mi

Top 36%
×7story building
+97ft-114ft

Overall

2588

Females

805

F25-29

220

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#3731
1.81M → 5.34M
153318*+165
#3731 → #3566
5.34M → 6.15M
14176+162
#3566 → #3404
6.15M → 10.54M
44365*+321
#3404 → #3083
10.54M → 11.05M
8926-63
#3083 → #3146
11.05M → Finish
14130*+116
#3146 → #3030
TOTALS
3141015*+701
#3731 → #3030

* 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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