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SF MARATHON 1ST HALF 2025

Ho-Hsiang Hsiao

San Francisco, CA

Bib: 15220 F 30

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F30-34)
#0 / 691
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
11:29/mi
20:48
→ flat
5.34M
11:54/mi
1:02:49
↑ 80↓ 74
6.15M
13:15/mi
1:13:33
↑ 126
10.54M
13:04/mi
2:10:54
↑ 230↓ 361
11.05M
16:51/mi
2:19:30
↑ 172
Finish· 13.11 mi
12:07/mi
2:44:28
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:13:3311:58 /mi⚡ faster
2nd Half
1:30:5513:04 /mi+23.6%
Positive split — 23.6% 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
20:4811:291.81 mi20:48
11:29
-
5.34M
1:02:4911:463.53 mi42:01
11:54
+0:25
6.15M
1:13:3311:580.81 mi10:44
13:15
+1:21
10.54M
2:10:5412:254.39 mi57:21
13:04
-0:11
11.05M
2:19:3012:370.51 mi8:36
16:51
+3:47
Finish(13.11 mi)
2:44:2812:332.06 mi24:58
12:07
-4:44
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:29 /mi

Average Pace

12:33 /mi

Slowest Pace

16:51 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:27:47

53% of race

Time at Steady Pace

1:08:05

41% of race

Time at Slower Pace

8:36

5% of race

Average Pace: 12:33 /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. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi6208257558562082575585
5.34M3.53 mi6043+1652469+106560+2559842437554
6.15M0.81 mi6074-312491-22564-461822545582
10.54M4.39 mi6142-682533-42576-1261972589595
11.05M0.51 mi6100+422511+22572+451032007458
Finish(13.11 mi)2.06 mi5912+1882424+87552+2050752057472

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 87%
~flat
+4ft-3ft

Overall

6208

Females

2575

F30-34

586

1.81M→5.34M

1.8 - 5.3 mi

Top 84%
×4story building
+80ft-74ft

Overall

5984

Females

2437

F30-34

555

5.34M→6.15M

5.3 - 6.2 mi

Top 87%
×10story building
+126ft-4ft

Overall

6182

Females

2545

F30-34

583

6.15M→10.54M

6.2 - 10.5 mi

Top 87%
×21story building
+230ft-361ft

Overall

6197

Females

2589

F30-34

596

10.54M→11.05M

10.5 - 11.1 mi

Top 72%
×14story building
+172ft-0ft

Overall

5103

Females

2007

F30-34

459

11.05M→Finish

11.1 - 13.1 mi

Top 71%
×7story building
+97ft-114ft

Overall

5075

Females

2057

F30-34

472

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#6208
1.81M → 5.34M
98263*+165
#6208 → #6043
5.34M → 6.15M
6635-31
#6043 → #6074
6.15M → 10.54M
176108*-68
#6074 → #6142
10.54M → 11.05M
749+42
#6142 → #6100
11.05M → Finish
3191*+188
#6100 → #5912
TOTALS
350646*+296
#6208 → #5912

* 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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