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SF MARATHON 1ST HALF 2023

Isabella Shahmirza

Bib: 14060•F•Age: 26

Santa Cruz, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 36%
Gender (Female)
#0 / 2732
Top 26%
Division (F25-29)
#0 / 629
Top 31%
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
10:10/mi
14:14
→ flat
2.13M
21:30/mi
29:56
→ flat
6.43M
10:55/mi
1:16:53
↑ 274↓ 780.9%
6.62M
-33:-36/mi
1:10:41
↑ 161.6%
10.65M
9:06/mi
1:47:20
↑ 153↓ 3611.0%
Finish· 13.11 mi
8:40/mi
2:08:39
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:10:41
Pace10:41 /mi
2nd Half✓ Faster
Distance6.49 mi
Time57:58
Pace8:56 /mi
📊Negative Split: 18.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:59:3614:1410:1014:14
10:10
-
2.13M
2.13 mi07:15:1829:5614:0315:42
21:30
+11:20
6.43M
6.43 mi08:02:151:16:5311:5746:57
10:55
-10:35
6.62M
6.62 mi07:56:031:10:4110:41
-33:-36
-44:31
10.65M
10.65 mi08:32:421:47:2010:0536:39
9:06
+42:42
Finish
13.11 mi08:54:012:08:399:4921:19
8:40
-0:26

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

-34:-36 /mi

Average Pace

9:49 /mi

Slowest Pace

21:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:39

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:49 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.40M
1.40 mi06:59:3614:1410:1014:14
10:10
#4238
2.13M
2.13 mi07:15:1829:5614:0315:42
21:30
#4454
6.43M
6.43 mi08:02:151:16:5311:5746:57
10:55
#2663
6.62M
6.62 mi07:56:031:10:4110:41
-33:-36
#2759
10.65M
10.65 mi08:32:421:47:2010:0536:39
9:06
#2341
Finish
13.11 mi08:54:012:08:399:4921:19
8:40
#2180
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi1.40 mi423816644384238(Top 70%)1664(Top 61%)438(Top 70%)
2.13M2.13 mi0.73 mi4454-2161768-104457-194771(Top 79%)1956(Top 72%)502(Top 80%)
6.43M6.43 mi4.30 mi2663+1791887+881251+2061872(Top 31%)567(Top 21%)161(Top 26%)
6.62M6.62 mi0.19 mi2759-96940-53267-16---
10.65M10.65 mi4.03 mi2341+418764+176216+511754(Top 29%)502(Top 18%)142(Top 23%)
Finish13.11 mi2.46 mi2180+161700+64196+201742(Top 29%)528(Top 19%)143(Top 23%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 70%
~flat
+3ft-2ft

Overall

4238

Females

1664

F25-29

440

1.40M→2.13M

1.4 - 2.1 mi

Top 79%
~flat
+3ft-1ft

Overall

4771

Females

1956

F25-29

507

2.13M→6.43M

2.1 - 6.4 mi

Top 31%
×17story building
+274ft-78ft

Overall

1872

Females

567

F25-29

161

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 29%
×21story building
+153ft-361ft

Overall

1754

Females

502

F25-29

142

10.65M→Finish

10.7 - 13.1 mi

Top 29%
×17story building
+244ft-114ft

Overall

1742

Females

528

F25-29

143

Passing Analysis

Category:
Athletes Passed
2556*
Passed By
498
Net Change
+2058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4238
1.40M → 2.13M92308-216#4238#4454
2.13M → 6.43M1803*12+1791#4454#2663
6.43M → 6.62M32128-96#2663#2759
6.62M → 10.65M437*19+418#2759#2341
10.65M → Finish192*31+161#2341#2180
TOTALS2556*498+2058

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

📊

Passing Visuals

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

The San Francisco Marathon

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