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SF MARATHON 1ST HALF 2025

Elaine Duh

San Jose, CA

Bib: 14329 F 25

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 29%
Gender (Female)
#0 / 3107
Top 17%
Division (F25-29)
#0 / 761
Top 19%
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
9:21/mi
16:55
→ flat
12 ft elev
5.34M
9:16/mi
49:38
↑ 80↓ 74
19 ft elev
6.15M
9:36/mi
57:24
↑ 1262.8%
149 ft elev
10.54M
9:15/mi
1:38:02
↑ 230↓ 3610.6%
20 ft elev
11.05M
14:36/mi
1:45:29
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
9:32/mi
2:05:07
↑ 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
57:249:20 /mi⚡ faster
2nd Half
1:07:439:44 /mi+18.0%
Positive split — 18.0% 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
16:559:211.81 mi16:55
9:21
-
5.34M
49:389:183.53 mi32:43
9:16
-0:05
6.15M
57:249:200.81 mi7:46
9:36
+0:20
10.54M
1:38:029:184.39 mi40:38
9:15
-0:21
11.05M
1:45:299:330.51 mi7:27
14:36
+5:21
Finish(13.11 mi)
2:05:079:332.06 mi19:38
9:32
-5:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:15 /mi

Average Pace

9:33 /mi

Slowest Pace

14:36 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:57:40

94% of race

Time at Slower Pace

7:27

6% of race

Average Pace: 9:33 /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

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81M1.81 mi1.81 mi25977372082597737208
5.34M5.34 mi3.53 mi2335+262632+105178+302266606164
6.15M6.15 mi0.81 mi2270+65609+23168+102104542150
10.54M10.54 mi4.39 mi2058+212527+82143+251881458123
11.05M11.05 mi0.51 mi2168-110571-44155-1236441259346
Finish13.11 mi2.06 mi2078+90544+27146+91868493126

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 37%
~flat
+4ft-3ft

Overall

2597

Females

737

F25-29

208

1.81M→5.34M

1.8 - 5.3 mi

Top 32%
×4story building
+80ft-74ft

Overall

2266

Females

606

F25-29

164

5.34M→6.15M

5.3 - 6.2 mi

Top 30%
×10story building
+126ft-4ft

Overall

2104

Females

542

F25-29

150

6.15M→10.54M

6.2 - 10.5 mi

Top 26%
×21story building
+230ft-361ft

Overall

1881

Females

458

F25-29

123

10.54M→11.05M

10.5 - 11.1 mi

Top 51%
×14story building
+172ft-0ft

Overall

3644

Females

1259

F25-29

347

11.05M→Finish

11.1 - 13.1 mi

Top 26%
×7story building
+97ft-114ft

Overall

1868

Females

493

F25-29

126

Passing Analysis

Category:
Athletes Passed
802*
Passed By
283
Net Change
+519
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#2597
1.81M → 5.34M338*76+262#2597#2335
5.34M → 6.15M8722+65#2335#2270
6.15M → 10.54M261*49+212#2270#2058
10.54M → 11.05M5115-110#2058#2168
11.05M → Finish111*21+90#2168#2078
TOTALS802*283+519

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

Passing Charts

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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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