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SF MARATHON 1ST HALF 2023

Siri Ziese

Bib: 11989•F•Age: 41

El Dorado Hills, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Top 48%
Masters (Masters Women)
#0 / 746
Top 34%
Division (F40-44)
#0 / 268
Top 40%
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
9:19/mi
13:03
→ flat
2.13M
18:55/mi
26:52
→ flat
6.43M
14:16/mi
1:28:13
↑ 274↓ 780.9%
6.62M
-33:-36/mi
1:22:01
↑ 161.6%
10.65M
9:28/mi
2:00:12
↑ 153↓ 3611.0%
Finish· 13.11 mi
8:45/mi
2:21:44
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:22:01
Pace12:23 /mi
2nd Half✓ Faster
Distance6.49 mi
Time59:43
Pace9:12 /mi
📊Negative Split: 27.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:07:2113:039:1913:03
9:19
-
2.13M
2.13 mi07:21:1026:5212:3713:49
18:55
+9:36
6.43M
6.43 mi08:22:311:28:1313:431:01:21
14:16
-4:39
6.62M
6.62 mi08:16:191:22:0112:23
-33:-36
-47:52
10.65M
10.65 mi08:54:302:00:1211:1738:11
9:28
+43:04
Finish
13.11 mi09:16:022:21:4410:4921:32
8:45
-0:43

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

10:49 /mi

Slowest Pace

18:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:44

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:49 /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 mi07:07:2113:039:1913:03
9:19
#2922
2.13M
2.13 mi07:21:1026:5212:3713:49
18:55
#2833
6.43M
6.43 mi08:22:311:28:1313:431:01:21
14:16
#4525
6.62M
6.62 mi08:16:191:22:0112:23
-33:-36
#4722
10.65M
10.65 mi08:54:302:00:1211:1738:11
9:28
#3903
Finish
13.11 mi09:16:022:21:4410:4921:32
8:45
#3479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
1.40M1.40 mi1.40 mi29221020772922(Top 48%)1020(Top 37%)77(Top 29%)
2.13M2.13 mi0.73 mi2833+89982+3874+32903(Top 48%)1020(Top 37%)78(Top 29%)
6.43M6.43 mi4.30 mi4525-16921804-822155-815046(Top 83%)2105(Top 77%)191(Top 71%)
6.62M6.62 mi0.19 mi4722-1971911-107169-14---
10.65M10.65 mi4.03 mi3903+8191493+418131+382290(Top 38%)753(Top 28%)53(Top 20%)
Finish13.11 mi2.46 mi3479+4241298+195108+231853(Top 31%)571(Top 21%)38(Top 14%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 48%
~flat
+3ft-2ft

Overall

2922

Females

1020

F40-44

77

1.40M→2.13M

1.4 - 2.1 mi

Top 48%
~flat
+3ft-1ft

Overall

2903

Females

1020

F40-44

78

2.13M→6.43M

2.1 - 6.4 mi

Top 83%
×17story building
+274ft-78ft

Overall

5046

Females

2105

F40-44

191

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F40-44

-

6.62M→10.65M

6.6 - 10.7 mi

Top 38%
×21story building
+153ft-361ft

Overall

2290

Females

753

F40-44

53

10.65M→Finish

10.7 - 13.1 mi

Top 31%
×17story building
+244ft-114ft

Overall

1853

Females

571

F40-44

38

Passing Analysis

Category:
Athletes Passed
1520*
Passed By
2077
Net Change
-557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2922
1.40M → 2.13M229140+89#2922#2833
2.13M → 6.43M18*1710-1692#2833#4525
6.43M → 6.62M27224-197#4525#4722
6.62M → 10.65M821*2+819#4722#3903
10.65M → Finish425*1+424#3903#3479
TOTALS1520*2077-557

* 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

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