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SF MARATHON 1ST HALF 2023

Alexander Esparza

Bib: 9353•M•Age: 24

Santa Cruz, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
M20-29
#0 / 333
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
13:24/mi
18:46
→ flat
2.13M
28:10/mi
39:20
→ flat
6.43M
16:30/mi
1:50:17
↑ 274↓ 780.9%
6.62M
-49:-39/mi
1:41:02
↑ 161.6%
10.65M
14:49/mi
2:40:46
↑ 153↓ 3611.0%
Finish· 13.11 mi
13:57/mi
3:15:05
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:41:02
Pace15:16 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:34:03
Pace14:30 /mi
📊Negative Split: 6.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:13:1118:4613:2418:46
13:24
-
2.13M
2.13 mi07:33:4539:2018:2820:34
28:10
+14:46
6.43M
6.43 mi08:44:421:50:1717:091:10:57
16:30
-11:40
6.62M
6.62 mi08:35:271:41:0215:16
-49:-39
-66:09
10.65M
10.65 mi09:35:112:40:4615:0659:44
14:49
+64:28
Finish
13.11 mi10:09:303:15:0514:5334:19
13:57
-0:52

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

-50:-39 /mi

Average Pace

14:53 /mi

Slowest Pace

28:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:05

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 14:53 /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 mi07:13:1118:4613:2418:46
13:24
#5738
2.13M
2.13 mi07:33:4539:2018:2820:34
28:10
#5941
6.43M
6.43 mi08:44:421:50:1717:091:10:57
16:30
#5904
6.62M
6.62 mi08:35:271:41:0215:16
-49:-39
#5909
10.65M
10.65 mi09:35:112:40:4615:0659:44
14:49
#5932
Finish
13.11 mi10:09:303:15:0514:5334:19
13:57
#5893
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.40M1.40 mi1.40 mi573832113265738(Top 94%)3211(Top 96%)326(Top 98%)
2.13M2.13 mi0.73 mi5941-2033297-86332-65994(Top 99%)3320(Top 100%)331(Top 99%)
6.43M6.43 mi4.30 mi5904+373287+10330+25801(Top 96%)3235(Top 97%)327(Top 98%)
6.62M6.62 mi0.19 mi5909-53284+3328+2---
10.65M10.65 mi4.03 mi5932-233280+43285905(Top 97%)3271(Top 98%)325(Top 98%)
Finish13.11 mi2.46 mi5893+393261+19327+15686(Top 94%)3172(Top 95%)322(Top 97%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 94%
~flat
+3ft-2ft

Overall

5738

Males

3211

M20-24

327

1.40M→2.13M

1.4 - 2.1 mi

Top 99%
~flat
+3ft-1ft

Overall

5994

Males

3320

M20-24

332

2.13M→6.43M

2.1 - 6.4 mi

Top 96%
×17story building
+274ft-78ft

Overall

5801

Males

3235

M20-24

327

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 97%
×21story building
+153ft-361ft

Overall

5905

Males

3271

M20-24

325

10.65M→Finish

10.7 - 13.1 mi

Top 94%
×17story building
+244ft-114ft

Overall

5686

Males

3172

M20-24

322

Passing Analysis

Category:
Athletes Passed
234*
Passed By
389
Net Change
-155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5738
1.40M → 2.13M23226-203#5738#5941
2.13M → 6.43M111*74+37#5941#5904
6.43M → 6.62M1217-5#5904#5909
6.62M → 10.65M40*63-23#5909#5932
10.65M → Finish48*9+39#5932#5893
TOTALS234*389-155

* 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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