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SF MARATHON 1ST HALF 2025

Chia Hsin Lin

SAN RAMON, CA

Bib: 10984 F 53

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Masters (Masters Women)
#0 / 776
Division (F50-54)
#0 / 149
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
10:28/mi
18:56
→ flat
12 ft elev
5.34M
11:40/mi
1:00:06
↑ 80↓ 74
19 ft elev
6.15M
13:25/mi
1:10:58
↑ 1262.8%
149 ft elev
10.54M
12:57/mi
2:07:51
↑ 230↓ 3610.6%
20 ft elev
11.05M
21:30/mi
2:18:49
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
15:37/mi
2:50:59
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:10:5811:32 /mi⚡ faster
2nd Half
1:40:0114:22 /mi+40.9%
Positive split — 40.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:51:4118:5610:2818:56
10:28
-
5.34M
5.34 mi07:32:511:00:0611:1541:10
11:40
+1:12
6.15M
6.15 mi07:43:431:10:5811:3210:52
13:25
+1:45
10.54M
10.54 mi08:40:362:07:5112:0856:53
12:57
-0:28
11.05M
11.05 mi08:51:342:18:4912:3410:58
21:30
+8:33
Finish
13.11 mi09:23:442:50:5913:0332:10
15:37
-5:53

Checkpoints & Pacing

Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:28 /mi

Average Pace

13:03 /mi

Slowest Pace

21:30 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

18:56

11% of race

Time at Steady Pace

1:48:55

64% of race

Time at Slower Pace

43:08

25% of race

Average Pace: 13:03 /mi

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

Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81M
1.81 mi06:51:4118:5610:2818:56
10:28
#4837
5.34M
5.34 mi07:32:511:00:0611:1541:10
11:40
#5537
6.15M
6.15 mi07:43:431:10:5811:3210:52
13:25
#5678
10.54M
10.54 mi08:40:362:07:5112:0856:53
12:57
#5924
11.05M
11.05 mi08:51:342:18:4912:3410:58
21:30
#6054
Finish
13.11 mi09:23:442:50:5913:0332:10
15:37
#6263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
1.81M1.81 mi1.81 mi48371813674837181367
5.34M5.34 mi3.53 mi5537-7002181-36884-175762231693
6.15M6.15 mi0.81 mi5678-1412262-8187-362582589111
10.54M10.54 mi4.39 mi5924-2462417-15597-1061452559106
11.05M11.05 mi0.51 mi6054-1302484-67101-469133016142
Finish13.11 mi2.06 mi6263-2092617-133111-1067192924136

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 68%
~flat
+4ft-3ft

Overall

4837

Females

1813

F50-54

69

1.81M→5.34M

1.8 - 5.3 mi

Top 81%
×4story building
+80ft-74ft

Overall

5762

Females

2316

F50-54

94

5.34M→6.15M

5.3 - 6.2 mi

Top 88%
×10story building
+126ft-4ft

Overall

6258

Females

2589

F50-54

112

6.15M→10.54M

6.2 - 10.5 mi

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

Overall

6145

Females

2559

F50-54

107

10.54M→11.05M

10.5 - 11.1 mi

Top 97%
×14story building
+172ft-0ft

Overall

6913

Females

3016

F50-54

143

11.05M→Finish

11.1 - 13.1 mi

Top 95%
×7story building
+97ft-114ft

Overall

6719

Females

2924

F50-54

136

Passing Analysis

Category:
Athletes Passed
195*
Passed By
1621
Net Change
-1426
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#4837
1.81M → 5.34M86*786-700#4837#5537
5.34M → 6.15M10151-141#5537#5678
6.15M → 10.54M74*320-246#5678#5924
10.54M → 11.05M1131-130#5924#6054
11.05M → Finish24*233-209#6054#6263
TOTALS195*1621-1426

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

Passing Charts

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

Race Place Events

Race Place Events