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SF MARATHON 1ST HALF 2025

Alyson Seah

San Francisco, CA

Bib: 14714 F 30

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 19%
Gender (Female)
#0 / 3107
Top 9%
Division (F30-34)
#0 / 691
Top 7%
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
8:47/mi
15:54
→ flat
12 ft elev
5.34M
8:54/mi
47:19
↑ 80↓ 74
19 ft elev
6.15M
9:16/mi
54:49
↑ 1262.8%
149 ft elev
10.54M
8:52/mi
1:33:44
↑ 230↓ 3610.6%
20 ft elev
11.05M
11:05/mi
1:39:23
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
9:02/mi
1:57:59
↑ 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
54:498:55 /mi⚡ faster
2nd Half
1:03:109:05 /mi+15.2%
Positive split — 15.2% 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 mi06:57:0115:548:4715:54
8:47
-
5.34M
5.34 mi07:28:2647:198:5231:25
8:54
+0:07
6.15M
6.15 mi07:35:5654:498:557:30
9:16
+0:22
10.54M
10.54 mi08:14:511:33:448:5438:55
8:52
-0:24
11.05M
11.05 mi08:20:301:39:239:005:39
11:05
+2:13
Finish
13.11 mi08:39:061:57:599:0018:36
9:02
-2:03

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

8:47 /mi

Average Pace

9:00 /mi

Slowest Pace

11:05 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:52:20

95% of race

Time at Slower Pace

5:39

5% of race

Average Pace: 9:00 /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 mi06:57:0115:548:4715:54
8:47
#1585
5.34M
5.34 mi07:28:2647:198:5231:25
8:54
#1620
6.15M
6.15 mi07:35:5654:498:557:30
9:16
#1593
10.54M
10.54 mi08:14:511:33:448:5438:55
8:52
#1445
11.05M
11.05 mi08:20:301:39:239:005:39
11:05
#1381
Finish
13.11 mi08:39:061:57:599:0018:36
9:02
#1330
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi1.81 mi158536668158536668
5.34M5.34 mi3.53 mi1620-35375-974-6166437878
6.15M6.15 mi0.81 mi1593+27355+2072+2161235466
10.54M10.54 mi4.39 mi1445+148308+4760+12136128051
11.05M11.05 mi0.51 mi1381+64286+2251+997417727
Finish13.11 mi2.06 mi1330+51274+1249+2122125948

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 22%
~flat
+4ft-3ft

Overall

1585

Females

366

F30-34

69

1.81M→5.34M

1.8 - 5.3 mi

Top 23%
×4story building
+80ft-74ft

Overall

1664

Females

378

F30-34

79

5.34M→6.15M

5.3 - 6.2 mi

Top 23%
×10story building
+126ft-4ft

Overall

1612

Females

354

F30-34

67

6.15M→10.54M

6.2 - 10.5 mi

Top 19%
×21story building
+230ft-361ft

Overall

1361

Females

280

F30-34

52

10.54M→11.05M

10.5 - 11.1 mi

Top 14%
×14story building
+172ft-0ft

Overall

974

Females

177

F30-34

27

11.05M→Finish

11.1 - 13.1 mi

Top 17%
×7story building
+97ft-114ft

Overall

1221

Females

259

F30-34

48

Passing Analysis

Category:
Athletes Passed
519*
Passed By
264
Net Change
+255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#1585
1.81M → 5.34M133168-35#1585#1620
5.34M → 6.15M6033+27#1620#1593
6.15M → 10.54M18941+148#1593#1445
10.54M → 11.05M717+64#1445#1381
11.05M → Finish66*15+51#1381#1330
TOTALS519*264+255

* 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