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SF MARATHON 1ST HALF 2023

Jennifer Chambers

Bib: 13419•F•Age: 29

Port Carling

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

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
10:33/mi
14:46
→ flat
2.13M
20:53/mi
30:01
→ flat
6.43M
13:43/mi
1:29:00
↑ 274↓ 780.9%
6.62M
-35:-53/mi
1:22:22
↑ 161.6%
10.65M
10:16/mi
2:03:46
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:16/mi
2:26:33
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:22:22
Pace12:27 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:04:11
Pace9:53 /mi
📊Negative Split: 22.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:00:3914:4610:3314:46
10:33
-
2.13M
2.13 mi07:15:5430:0114:0615:15
20:53
+10:20
6.43M
6.43 mi08:14:531:29:0013:5058:59
13:43
-7:10
6.62M
6.62 mi08:08:151:22:2212:27
-35:-53
-49:36
10.65M
10.65 mi08:49:392:03:4611:3741:24
10:16
+46:09
Finish
13.11 mi09:12:262:26:3311:1122:47
9:16
-1:00

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

-36:-53 /mi

Average Pace

11:11 /mi

Slowest Pace

20:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:33

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:11 /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 mi07:00:3914:4610:3314:46
10:33
#4756
2.13M
2.13 mi07:15:5430:0114:0615:15
20:53
#4488
6.43M
6.43 mi08:14:531:29:0013:5058:59
13:43
#4628
6.62M
6.62 mi08:08:151:22:2212:27
-35:-53
#4778
10.65M
10.65 mi08:49:392:03:4611:3741:24
10:16
#4269
Finish
13.11 mi09:12:262:26:3311:1122:47
9:16
#3920
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi1.40 mi475619445024756(Top 78%)1944(Top 71%)502(Top 80%)
2.13M2.13 mi0.73 mi4488+2681791+153468+344399(Top 72%)1762(Top 64%)459(Top 73%)
6.43M6.43 mi4.30 mi4628-1401858-67488-204703(Top 77%)1920(Top 70%)487(Top 77%)
6.62M6.62 mi0.19 mi4778-1501945-87500-12---
10.65M10.65 mi4.03 mi4269+5091671+274434+663329(Top 55%)1237(Top 45%)323(Top 51%)
Finish13.11 mi2.46 mi3920+3491516+155387+472437(Top 40%)855(Top 31%)239(Top 38%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 78%
~flat
+3ft-2ft

Overall

4756

Females

1944

F25-29

504

1.40M→2.13M

1.4 - 2.1 mi

Top 72%
~flat
+3ft-1ft

Overall

4399

Females

1762

F25-29

464

2.13M→6.43M

2.1 - 6.4 mi

Top 77%
×17story building
+274ft-78ft

Overall

4703

Females

1920

F25-29

487

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 55%
×21story building
+153ft-361ft

Overall

3329

Females

1237

F25-29

323

10.65M→Finish

10.7 - 13.1 mi

Top 40%
×17story building
+244ft-114ft

Overall

2437

Females

855

F25-29

239

Passing Analysis

Category:
Athletes Passed
1472*
Passed By
636
Net Change
+836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4756
1.40M → 2.13M35385+268#4756#4488
2.13M → 6.43M205*345-140#4488#4628
6.43M → 6.62M33183-150#4628#4778
6.62M → 10.65M526*17+509#4778#4269
10.65M → Finish355*6+349#4269#3920
TOTALS1472*636+836

* 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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