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SF MARATHON 1ST HALF 2023

Samantha Senn

Bib: 10768•F•Age: 37

Palo Alto, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F35-39)
#0 / 359
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
11:30/mi
16:06
→ flat
2.13M
22:41/mi
32:40
→ flat
6.43M
16:08/mi
1:42:04
↑ 274↓ 780.9%
6.62M
-42:-28/mi
1:34:11
↑ 161.6%
10.65M
12:16/mi
2:23:39
↑ 153↓ 3611.0%
Finish· 13.11 mi
12:08/mi
2:53:30
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:34:11
Pace14:14 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:19:19
Pace12:13 /mi
📊Negative Split: 15.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:55:1716:0611:3016:06
11:30
-
2.13M
2.13 mi07:11:5132:4015:2016:34
22:41
+11:11
6.43M
6.43 mi08:21:151:42:0415:521:09:24
16:08
-6:33
6.62M
6.62 mi08:13:221:34:1114:14
-42:-28
-58:36
10.65M
10.65 mi09:02:502:23:3913:2949:28
12:16
+54:44
Finish
13.11 mi09:32:412:53:3013:1429:51
12:08
-0:08

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

-43:-28 /mi

Average Pace

13:14 /mi

Slowest Pace

22:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:30

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:14 /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 mi06:55:1716:0611:3016:06
11:30
#5373
2.13M
2.13 mi07:11:5132:4015:2016:34
22:41
#5293
6.43M
6.43 mi08:21:151:42:0415:521:09:24
16:08
#5639
6.62M
6.62 mi08:13:221:34:1114:14
-42:-28
#5666
10.65M
10.65 mi09:02:502:23:3913:2949:28
12:16
#5534
Finish
13.11 mi09:32:412:53:3013:1429:51
12:08
#5481
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
1.40M1.40 mi1.40 mi537322932895373(Top 88%)2293(Top 84%)289(Top 81%)
2.13M2.13 mi0.73 mi5293+802244+49278+115262(Top 87%)2238(Top 82%)283(Top 79%)
6.43M6.43 mi4.30 mi5639-3462456-212315-375727(Top 94%)2510(Top 92%)328(Top 91%)
6.62M6.62 mi0.19 mi5666-272474-18320-5---
10.65M10.65 mi4.03 mi5534+1322404+70310+105153(Top 85%)2201(Top 81%)279(Top 78%)
Finish13.11 mi2.46 mi5481+532372+32308+25003(Top 82%)2146(Top 79%)280(Top 78%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 88%
~flat
+3ft-2ft

Overall

5373

Females

2293

F35-39

289

1.40M→2.13M

1.4 - 2.1 mi

Top 87%
~flat
+3ft-1ft

Overall

5262

Females

2238

F35-39

284

2.13M→6.43M

2.1 - 6.4 mi

Top 94%
×17story building
+274ft-78ft

Overall

5727

Females

2510

F35-39

329

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F35-39

-

6.62M→10.65M

6.6 - 10.7 mi

Top 85%
×21story building
+153ft-361ft

Overall

5153

Females

2201

F35-39

279

10.65M→Finish

10.7 - 13.1 mi

Top 82%
×17story building
+244ft-114ft

Overall

5003

Females

2146

F35-39

280

Passing Analysis

Category:
Athletes Passed
547*
Passed By
655
Net Change
-108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5373
1.40M → 2.13M202122+80#5373#5293
2.13M → 6.43M65*411-346#5293#5639
6.43M → 6.62M3158-27#5639#5666
6.62M → 10.65M173*41+132#5666#5534
10.65M → Finish76*23+53#5534#5481
TOTALS547*655-108

* 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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