Alexa Jacobson

San Francisco, CA

Bib: 15283 F 24

0:00
0:00
/ mi
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Overall
#0 / 5177
Top 7%
Gender (Female)
#0 / 2293
Top 3%
F20-29
#0 / 279
Top 3%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2.13M
10:08/mi
21:36
→ flat
6.62M
7:37/mi
55:50
29978
7.12M
10:50/mi
1:01:15
27
10.65M
7:38/mi
1:28:12
127360
Finish· 13.11 mi
7:31/mi
1:46:40
244114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
55:508:26 /mi+9.0%
2nd Half
50:507:50 /mi✓ faster
Negative split — 9.0% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2.13M
21:3610:082.13 mi21:36
10:08
-
6.62M
55:508:264.49 mi34:14
7:37
-2:31
7.12M
1:01:158:360.50 mi5:25
10:50
+3:13
10.65M
1:28:128:173.53 mi26:57
7:38
-3:12
Finish(13.11 mi)
1:46:408:082.46 mi18:28
7:31
-0:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:31 /mi

Average Pace

8:08 /mi

Slowest Pace

10:50 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:19:39

75% of race

Time at Slower Pace

27:01

25% of race

Average Pace: 8:08 /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. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2.13M2.13 mi405719405719
6.62M4.49 mi323+8250+217+2304507
7.12M0.50 mi342-1957-78-175614026
10.65M3.53 mi366-2462-585038112
Finish(13.11 mi)2.46 mi380-1464-2857710819

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 8%
~flat
+6ft-3ft

Overall

405

Females

71

F20-24

9

2.13M→6.62M

2.1 - 6.6 mi

Top 6%
×19story building
+299ft-78ft

Overall

304

Females

50

F20-24

7

6.62M→7.12M

6.6 - 7.1 mi

Top 15%
×2story building
+27ft-0ft

Overall

756

Females

140

F20-24

26

7.12M→10.65M

7.1 - 10.7 mi

Top 10%
×21story building
+127ft-360ft

Overall

503

Females

81

F20-24

12

10.65M→Finish

10.7 - 13.1 mi

Top 11%
×17story building
+244ft-114ft

Overall

577

Females

108

F20-24

19

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2.13M-#405
2.13M6.62M
1597+82
#405 #323
6.62M7.12M
234-19
#323 #342
7.12M10.65M
4319-24
#342 #366
10.65MFinish
2814*-14
#366 #380
TOTALS
109134*+25
#405 #380

* 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

Race Place Events

Race Place Events