Jay Shafto

Bib: 10261MAge: 48

Mountain View, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 4103
Gender (Male)
#0 / 2158
Masters (Masters Men)
#0 / 709
Division (M45-49)
#0 / 171
Race Day Weather
54°/44°F
overcast clouds

⏱️ 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
2.2M
10:21/mi
22:46
→ flat
5.7M
12:47/mi
1:07:29
100780.1%
6.43M
17:40/mi
1:20:23
1473.8%
8.3M
10:43/mi
1:40:26
88530.3%
11.45M
12:38/mi
2:20:12
2933310.2%
FINISH· 13.11 mi
13:00/mi
2:41:46
61910.3%

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2M
2.20 mi07:01:1822:4610:2122:46
10:21
-
5.7M
5.70 mi07:46:011:07:2911:5044:43
12:47
+2:26
6.43M
6.43 mi07:58:551:20:2312:3012:54
17:40
+4:53
8.3M
8.30 mi08:18:581:40:2612:0620:03
10:43
-6:57
11.45M
11.45 mi08:58:442:20:1212:1539:46
12:38
+1:55
FINISH
13.11 mi09:20:182:41:4612:2021:34
13:00
+0:22

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

10:21 /mi

Average Pace

12:20 /mi

Slowest Pace

17:40 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:49

26% of race

Time at Steady Pace

1:46:03

66% of race

Time at Slower Pace

12:54

8% of race

Average Pace: 12:20 /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
2.2M
2.20 mi07:01:1822:4610:2122:46
10:21
#3688
5.7M
5.70 mi07:46:011:07:2911:5044:43
12:47
#3487
6.43M
6.43 mi07:58:551:20:2312:3012:54
17:40
#3487
8.3M
8.30 mi08:18:581:40:2612:0620:03
10:43
#3509
11.45M
11.45 mi08:58:442:20:1212:1539:46
12:38
#3377
FINISH
13.11 mi09:20:182:41:4612:2021:34
13:00
#3279
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2.2M2.20 mi2.20 mi368820371513688(Top 90%)2037(Top 94%)151(Top 88%)
5.7M5.70 mi3.50 mi3487+2011954+83143+83393(Top 83%)1906(Top 88%)142(Top 83%)
6.43M6.43 mi0.73 mi34871948+6140+33388(Top 83%)1898(Top 88%)138(Top 81%)
8.3M8.30 mi1.87 mi3509-221961-13141-13603(Top 88%)1980(Top 92%)147(Top 86%)
11.45M11.45 mi3.15 mi3377+1321903+58140+13043(Top 74%)1727(Top 80%)126(Top 74%)
FINISH13.11 mi1.66 mi3279+981843+60135+52806(Top 68%)1598(Top 74%)110(Top 64%)

Segment Performance Analysis

Start → 2.2M

0.0 - 2.2 mi

Top 90%
~flat
+6ft-3ft

Overall

3688

Males

2037

M45-49

151

2.2M→5.7M

2.2 - 5.7 mi

Top 83%
×5story building
+100ft-78ft

Overall

3393

Males

1906

M45-49

142

5.7M→6.43M

5.7 - 6.4 mi

Top 83%
×12story building
+147ft-0ft

Overall

3388

Males

1898

M45-49

138

6.43M→8.3M

6.4 - 8.3 mi

Top 88%
×4story building
+88ft-53ft

Overall

3603

Males

1980

M45-49

147

8.3M→11.45M

8.3 - 11.4 mi

Top 74%
×20story building
+293ft-331ft

Overall

3043

Males

1727

M45-49

126

11.45M→FINISH

11.4 - 13.1 mi

Top 68%
×7story building
+61ft-91ft

Overall

2806

Males

1598

M45-49

110

Passing Analysis

Category:
Athletes Passed
520*
Passed By
111
Net Change
+409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2M----#3688
2.2M5.7M222*21+201#3688#3487
5.7M6.43M28280#3487#3487
6.43M8.3M2244-22#3487#3509
8.3M11.45M142*10+132#3509#3377
11.45MFINISH106*8+98#3377#3279
TOTALS520*111+409

* 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