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SF MARATHON 1ST HALF 2025

Alexandra Gibbons

Folsom, CA

Bib: 18535 F 32

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
11:05/mi
20:04
→ flat
5.34M
11:04/mi
59:09
↑ 80↓ 74
6.15M
11:18/mi
1:08:18
↑ 126
10.54M
11:14/mi
1:57:36
↑ 230↓ 361
11.05M
12:46/mi
2:04:07
↑ 172
Finish· 13.11 mi
12:23/mi
2:29:38
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:08:1811:06 /mi⚡ faster
2nd Half
1:21:2011:41 /mi+19.1%
Positive split — 19.1% 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
20:0411:051.81 mi20:04
11:05
-
5.34M
59:0911:053.53 mi39:05
11:04
-0:01
6.15M
1:08:1811:060.81 mi9:09
11:18
+0:14
10.54M
1:57:3611:094.39 mi49:18
11:14
-0:04
11.05M
2:04:0711:140.51 mi6:31
12:46
+1:32
Finish(13.11 mi)
2:29:3811:252.06 mi25:31
12:23
-0:23
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:04 /mi

Average Pace

11:25 /mi

Slowest Pace

12:46 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:57:36

79% of race

Time at Steady Pace

32:02

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:25 /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 mi5828233953158282339531
5.34M3.53 mi5328+5002065+274473+5851141956443
6.15M0.81 mi5180+1481989+76455+1845271646380
10.54M4.39 mi4875+3051830+159423+3245551690388
11.05M0.51 mi4660+2151721+109397+262294656129
Finish(13.11 mi)2.06 mi4758-981800-79423-2653042181503

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 82%
~flat
+4ft-3ft

Overall

5828

Females

2339

F30-34

532

1.81M→5.34M

1.8 - 5.3 mi

Top 72%
×4story building
+80ft-74ft

Overall

5114

Females

1956

F30-34

444

5.34M→6.15M

5.3 - 6.2 mi

Top 64%
×10story building
+126ft-4ft

Overall

4527

Females

1646

F30-34

381

6.15M→10.54M

6.2 - 10.5 mi

Top 64%
×21story building
+230ft-361ft

Overall

4555

Females

1690

F30-34

389

10.54M→11.05M

10.5 - 11.1 mi

Top 32%
×14story building
+172ft-0ft

Overall

2294

Females

656

F30-34

129

11.05M→Finish

11.1 - 13.1 mi

Top 75%
×7story building
+97ft-114ft

Overall

5304

Females

2181

F30-34

503

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#5828
1.81M → 5.34M
49549*+500
#5828 → #5328
5.34M → 6.15M
9157+148
#5328 → #5180
6.15M → 10.54M
47352*+305
#5180 → #4875
10.54M → 11.05M
2217+215
#4875 → #4660
11.05M → Finish
16264*-98
#4660 → #4758
TOTALS
2691339*+1070
#5828 → #4758

* 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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