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SF MARATHON 1ST HALF 2023

Isabelle Stepien

San Francisco, CA

Bib: 12864 F 29

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

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
10:44/mi
15:01
→ flat
11 ft elev
2.13M
21:45/mi
30:54
→ flat
13 ft elev
6.43M
13:19/mi
1:28:11
↑ 274↓ 780.9%
213 ft elev
6.62M
-42:-1/mi
1:20:23
↑ 161.6%
239 ft elev
10.65M
10:48/mi
2:03:53
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
10:56/mi
2:30:46
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:20:2312:09 /mi+12.4%
2nd Half
1:10:2310:51 /mi✓ faster
Negative split — 12.4% 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
15:0110:441.40 mi15:01
10:44
-
2.13M
30:5414:300.73 mi15:53
21:45
+11:01
6.43M
1:28:1113:434.30 mi57:17
13:19
-8:26
6.62M
1:20:2312:090.19 mi
-42:-1
-55:20
10.65M
2:03:5311:384.03 mi43:30
10:48
+52:49
Finish(13.11 mi)
2:30:4611:302.46 mi26:53
10:56
+0:08
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-43:-1 /mi

Average Pace

11:30 /mi

Slowest Pace

21:45 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:30:46

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:30 /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 mi4915203151949152031519
2.13M0.73 mi4825+901979+52512+748932031514
6.43M4.30 mi4521+3041802+177475+3743651718451
6.62M0.19 mi4520+11799+3475---
10.65M4.03 mi4284+2361680+119438+3739521548399
Finish(13.11 mi)2.46 mi4264+201682-2439-141841695427

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 81%
~flat
+3ft-2ft

Overall

4915

Females

2031

F25-29

521

1.40M→2.13M

1.4 - 2.1 mi

Top 81%
~flat
+3ft-1ft

Overall

4893

Females

2031

F25-29

519

2.13M→6.43M

2.1 - 6.4 mi

Top 72%
×17story building
+274ft-78ft

Overall

4365

Females

1718

F25-29

451

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 65%
×21story building
+153ft-361ft

Overall

3952

Females

1548

F25-29

399

10.65M→Finish

10.7 - 13.1 mi

Top 69%
×17story building
+244ft-114ft

Overall

4184

Females

1695

F25-29

427

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4915
1.40M → 2.13M
142232+90
#4915 → #4825
2.13M → 6.43M
161465*+304
#4825 → #4521
6.43M → 6.62M
7273+1
#4521 → #4520
6.62M → 10.65M
62298*+236
#4520 → #4284
10.65M → Finish
7292*+20
#4284 → #4264
TOTALS
5091160*+651
#4915 → #4264

* 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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The San Francisco Marathon

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