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SF MARATHON 1ST HALF 2023

Maggie Nevers

San Francisco, CA

Bib: 13903 F 29

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 24%
Gender (Female)
#0 / 2732
Top 15%
Division (F25-29)
#0 / 629
Top 18%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
8:16/mi
11:35
→ flat
2.13M
16:56/mi
23:57
→ flat
6.43M
10:29/mi
1:09:01
↑ 274↓ 78
6.62M
-34:-34/mi
1:02:38
↑ 16
10.65M
9:04/mi
1:39:09
↑ 153↓ 361
Finish· 13.11 mi
9:08/mi
2:01:37
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:02:389:28 /mi+5.8%
2nd Half
58:599:05 /mi✓ faster
Negative split — 5.8% 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
1.40M
11:358:161.40 mi11:35
8:16
-
2.13M
23:5711:150.73 mi12:22
16:56
+8:40
6.43M
1:09:0110:444.30 mi45:04
10:29
-6:27
6.62M
1:02:389:280.19 mi
-34:-34
-45:03
10.65M
1:39:099:194.03 mi36:31
9:04
+43:38
Finish(13.11 mi)
2:01:379:172.46 mi22:28
9:08
+0:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-35:-34 /mi

Average Pace

9:17 /mi

Slowest Pace

16:56 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:01:37

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:17 /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. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi12353501021235350102
2.13M0.73 mi1243-8347+3105-31358394109
6.43M4.30 mi1269-26334+13103+21365364104
6.62M0.19 mi1176+93313+2196+7---
10.65M4.03 mi1342-166354-41101-51713488133
Finish(13.11 mi)2.46 mi1476-134413-59114-132297791220

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 20%
~flat
+3ft-2ft

Overall

1235

Females

350

F25-29

103

1.40M→2.13M

1.4 - 2.1 mi

Top 22%
~flat
+3ft-1ft

Overall

1358

Females

394

F25-29

113

2.13M→6.43M

2.1 - 6.4 mi

Top 22%
×17story building
+274ft-78ft

Overall

1365

Females

364

F25-29

104

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 28%
×21story building
+153ft-361ft

Overall

1713

Females

488

F25-29

133

10.65M→Finish

10.7 - 13.1 mi

Top 38%
×17story building
+244ft-114ft

Overall

2297

Females

791

F25-29

220

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#1235
1.40M → 2.13M
109101-8
#1235 → #1243
2.13M → 6.43M
146120*-26
#1243 → #1269
6.43M → 6.62M
12105+93
#1269 → #1176
6.62M → 10.65M
19933*-166
#1176 → #1342
10.65M → Finish
15824*-134
#1342 → #1476
TOTALS
624383*-241
#1235 → #1476

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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