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SF MARATHON 2023

Jason Shaeffer

Bib: 2153•M•Age: 52

San Francisco, CA

Masters
San Francisco Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 4888
Gender (Male)
#0 / 3570
Masters (Masters Men)
#0 / 1128
Division (M50-54)
#0 / 237
Race Day Weather
69°/59°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2.2 Miles
18:44
Rank: #2753
Start → 2.2 Miles
18:44 | 8:31/mi
5.7 Miles
56:21
Rank: #2991 (-238)
2.2 Miles → 5.7 Miles
37:37 | 10:45/mi
6.43 Miles
1:06:17
Rank: #2927 (+64)
5.7 Miles → 6.43 Miles
9:56 | 13:36/mi
10.92 Miles
1:48:52
Rank: #2833 (+94)
6.43 Miles → 10.92 Miles
42:35 | 9:29/mi
Garmin Hill Challenge· 11.42 mi
1:55:02
Rank: #2787 (+46)
10.92 Miles → Garmin Hill Challenge
6:10 | 12:20/mi
14.95 Miles
2:26:28
Rank: #2712 (+75)
Garmin Hill Challenge → 14.95 Miles
31:26 | 8:54/mi
18 Miles
3:05:44
Rank: #2888 (-176)
14.95 Miles → 18 Miles
39:16 | 12:53/mi
24 Miles
4:14:47
Rank: #2906 (-18)
18 Miles → 24 Miles
1:09:03 | 11:31/mi
Finish· 26.22 mi
4:40:12
Rank: #2919 (-13)
24 Miles → Finish
25:25 | 11:27/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:44:2218:448:3118:44
8:31
-
5.7 Miles
5.70 mi06:21:5956:219:5337:37
10:45
+2:14
6.43 Miles
6.43 mi06:31:551:06:1710:199:56
13:36
+2:51
10.92 Miles
10.92 mi07:14:301:48:529:5842:35
9:29
-4:07
Garmin Hill Challenge
11.42 mi07:20:401:55:0210:046:10
12:20
+2:51
14.95 Miles
14.95 mi07:52:062:26:289:4831:26
8:54
-3:26
18 Miles
18.00 mi08:31:223:05:4410:1939:16
12:53
+3:59
24 Miles
24.00 mi09:40:254:14:4710:371:09:03
11:31
-1:22
Finish
26.22 mi10:05:504:40:1210:4225:25
11:27
-0:04

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:31 /mi

Average Pace

10:42 /mi

Slowest Pace

13:36 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:32:45

33% of race

Time at Steady Pace

2:12:05

47% of race

Time at Slower Pace

55:22

20% of race

Average Pace: 10:41 /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.

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2.2 Miles
2.20 mi05:44:2218:448:3118:44
8:31
#2753
5.7 Miles
5.70 mi06:21:5956:219:5337:37
10:45
#2991
6.43 Miles
6.43 mi06:31:551:06:1710:199:56
13:36
#2927
10.92 Miles
10.92 mi07:14:301:48:529:5842:35
9:29
#2833
Garmin Hill Challenge
11.42 mi07:20:401:55:0210:046:10
12:20
#2787
14.95 Miles
14.95 mi07:52:062:26:289:4831:26
8:54
#2712
18 Miles
18.00 mi08:31:223:05:4410:1939:16
12:53
#2888
24 Miles
24.00 mi09:40:254:14:4710:371:09:03
11:31
#2906
Finish
26.22 mi10:05:504:40:1210:4225:25
11:27
#2919
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2.2 Miles2.20 mi2.20 mi275322221332753(Top 56%)2222(Top 62%)133(Top 56%)
5.7 Miles5.70 mi3.50 mi2991-2382396-174140-73076(Top 63%)2447(Top 69%)142(Top 60%)
6.43 Miles6.43 mi0.73 mi2927+642344+52134+62676(Top 55%)2186(Top 61%)120(Top 51%)
10.92 Miles10.92 mi4.49 mi2833+942294+50127+72740(Top 56%)2235(Top 63%)123(Top 52%)
Garmin Hill Challenge11.42 mi0.50 mi2787+462265+29123+42587(Top 53%)2122(Top 59%)102(Top 43%)
14.95 Miles14.95 mi3.53 mi2712+752207+58122+12435(Top 50%)1991(Top 56%)110(Top 46%)
18 Miles18.00 mi3.05 mi2888-1762320-113131-93438(Top 70%)2644(Top 74%)155(Top 65%)
24 Miles24.00 mi6.00 mi2906-182296+24133-22968(Top 61%)2262(Top 63%)137(Top 58%)
Finish26.22 mi2.22 mi2919-132300-4132+13086(Top 63%)2323(Top 65%)130(Top 55%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 56%
×1human
+8ft-12ft

Overall

2753

Males

2222

M50-54

134

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 63%
×6stories
+92ft-87ft

Overall

3076

Males

2447

M50-54

142

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 55%
×11stories
+137ft-3ft

Overall

2676

Males

2186

M50-54

120

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 56%
×21stories
+225ft-318ft

Overall

2740

Males

2235

M50-54

123

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 53%
×11stories
+134ft-123ft

Overall

2587

Males

2122

M50-54

102

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 50%
×16stories
+234ft-225ft

Overall

2435

Males

1991

M50-54

110

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 70%
×12stories
+165ft-60ft

Overall

3438

Males

2644

M50-54

155

18 Miles→24 Miles

18.0 - 24.0 mi

Top 61%
×21stories
+142ft-377ft

Overall

2968

Males

2262

M50-54

137

24 Miles→Finish

24.0 - 26.2 mi

Top 63%
~flat
+2ft-2ft

Overall

3086

Males

2323

M50-54

130

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
632*
Passed By
798
Net Change
-166
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#2753
2.2 Miles → 5.7 Miles81*319-238#2753#2991
5.7 Miles → 6.43 Miles8521+64#2991#2927
6.43 Miles → 10.92 Miles135*41+94#2927#2833
10.92 Miles → Garmin Hill Challenge537+46#2833#2787
Garmin Hill Challenge → 14.95 Miles9217+75#2787#2712
14.95 Miles → 18 Miles35*211-176#2712#2888
18 Miles → 24 Miles117*135-18#2888#2906
24 Miles → Finish34*47-13#2906#2919
TOTALS632*798-166

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

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Activity Data

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