Persi Shafto

Bib: 13830FAge: 55

Mountain View, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Masters (Masters Women)
#0 / 776
Division (F55-59)
#0 / 125
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
12:09/mi
21:59
→ flat
5.34M
13:09/mi
1:08:24
8074
6.15M
13:04/mi
1:18:59
1262.8%
10.54M
13:53/mi
2:19:54
2303610.6%
11.05M
14:34/mi
2:27:20
1726.4%
Finish· 13.11 mi
11:49/mi
2:51:41
971140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:18:59
Pace12:51 /mi
2nd Half
Distance6.96 mi
Time1:32:42
Pace13:19 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:57:4321:5912:0921:59
12:09
-
5.34M
5.34 mi07:44:081:08:2412:4946:25
13:09
+1:00
6.15M
6.15 mi07:54:431:18:5912:5110:35
13:04
-0:05
10.54M
10.54 mi08:55:382:19:5413:161:00:55
13:53
+0:49
11.05M
11.05 mi09:03:042:27:2013:207:26
14:34
+0:41
Finish
13.11 mi09:27:252:51:4113:0624:21
11:49
-2:45

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

11:49 /mi

Average Pace

13:06 /mi

Slowest Pace

14:34 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:20

27% of race

Time at Steady Pace

57:00

33% of race

Time at Slower Pace

1:08:21

40% of race

Average Pace: 13:06 /mi

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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
1.81M
1.81 mi06:57:4321:5912:0921:59
12:09
#6630
5.34M
5.34 mi07:44:081:08:2412:4946:25
13:09
#6674
6.15M
6.15 mi07:54:431:18:5912:5110:35
13:04
#6605
10.54M
10.54 mi08:55:382:19:5413:161:00:55
13:53
#6617
11.05M
11.05 mi09:03:042:27:2013:207:26
14:34
#6529
Finish
13.11 mi09:27:252:51:4113:0624:21
11:49
#6299
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
1.81M1.81 mi1.81 mi66302831996630(Top 93%)2831(Top 91%)99(Top 79%)
5.34M5.34 mi3.53 mi6674-442839-8102-36684(Top 94%)2834(Top 91%)102(Top 82%)
6.15M6.15 mi0.81 mi6605+692794+45100+26063(Top 85%)2478(Top 80%)79(Top 63%)
10.54M10.54 mi4.39 mi6617-122808-14102-26591(Top 93%)2822(Top 91%)103(Top 82%)
11.05M11.05 mi0.51 mi6529+882759+4998+43636(Top 51%)1257(Top 40%)26(Top 21%)
Finish13.11 mi2.06 mi6299+2302635+12489+94783(Top 67%)1885(Top 61%)49(Top 39%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 93%
~flat
+4ft-3ft

Overall

6630

Females

2831

F55-59

100

1.81M→5.34M

1.8 - 5.3 mi

Top 94%
×4story building
+80ft-74ft

Overall

6684

Females

2834

F55-59

102

5.34M→6.15M

5.3 - 6.2 mi

Top 85%
×10story building
+126ft-4ft

Overall

6063

Females

2478

F55-59

79

6.15M→10.54M

6.2 - 10.5 mi

Top 93%
×21story building
+230ft-361ft

Overall

6591

Females

2822

F55-59

103

10.54M→11.05M

10.5 - 11.1 mi

Top 51%
×14story building
+172ft-0ft

Overall

3636

Females

1257

F55-59

26

11.05M→Finish

11.1 - 13.1 mi

Top 67%
×7story building
+97ft-114ft

Overall

4783

Females

1885

F55-59

49

Passing Analysis

Category:
Athletes Passed
555*
Passed By
224
Net Change
+331
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#6630
1.81M5.34M90*134-44#6630#6674
5.34M6.15M756+69#6674#6605
6.15M10.54M69*81-12#6605#6617
10.54M11.05M891+88#6617#6529
11.05MFinish232*2+230#6529#6299
TOTALS555*224+331

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events