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SF MARATHON 1ST HALF 2023

Jack Rosenberg

Bib: 12833•M•Age: 26

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M25-29)
#0 / 688
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
14:29/mi
20:17
→ flat
2.13M
19:32/mi
34:33
→ flat
6.43M
13:49/mi
1:33:57
↑ 274↓ 780.9%
6.62M
-48:-52/mi
1:24:51
↑ 161.6%
10.65M
11:01/mi
2:09:15
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:20/mi
2:32:13
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:24:51
Pace12:49 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:07:22
Pace10:23 /mi
📊Negative Split: 20.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:05:3720:1714:2920:17
14:29
-
2.13M
2.13 mi07:19:5334:3316:1314:16
19:32
+5:03
6.43M
6.43 mi08:19:171:33:5714:3759:24
13:49
-5:43
6.62M
6.62 mi08:10:111:24:5112:49
-48:-52
-62:41
10.65M
10.65 mi08:54:352:09:1512:0844:24
11:01
+59:53
Finish
13.11 mi09:17:332:32:1311:3722:58
9:20
-1:41

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

-49:-52 /mi

Average Pace

11:37 /mi

Slowest Pace

19:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:13

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:37 /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 mi07:05:3720:1714:2920:17
14:29
#5853
2.13M
2.13 mi07:19:5334:3316:1314:16
19:32
#5591
6.43M
6.43 mi08:19:171:33:5714:3759:24
13:49
#5153
6.62M
6.62 mi08:10:111:24:5112:49
-48:-52
#5061
10.65M
10.65 mi08:54:352:09:1512:0844:24
11:01
#4759
Finish
13.11 mi09:17:332:32:1311:3722:58
9:20
#4363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi585332606745853(Top 96%)3260(Top 98%)674(Top 98%)
2.13M2.13 mi0.73 mi5591+2623174+86665+93431(Top 57%)2165(Top 65%)491(Top 71%)
6.43M6.43 mi4.30 mi5153+4382996+178647+184786(Top 79%)2816(Top 85%)615(Top 89%)
6.62M6.62 mi0.19 mi5061+922954+42640+7---
10.65M10.65 mi4.03 mi4759+3022814+140614+264189(Top 69%)2525(Top 76%)567(Top 82%)
Finish13.11 mi2.46 mi4363+3962625+189586+282535(Top 42%)1639(Top 49%)376(Top 55%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 96%
~flat
+3ft-2ft

Overall

5853

Males

3260

M25-29

679

1.40M→2.13M

1.4 - 2.1 mi

Top 57%
~flat
+3ft-1ft

Overall

3431

Males

2165

M25-29

497

2.13M→6.43M

2.1 - 6.4 mi

Top 79%
×17story building
+274ft-78ft

Overall

4786

Males

2816

M25-29

618

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 69%
×21story building
+153ft-361ft

Overall

4189

Males

2525

M25-29

568

10.65M→Finish

10.7 - 13.1 mi

Top 42%
×17story building
+244ft-114ft

Overall

2535

Males

1639

M25-29

376

Passing Analysis

Category:
Athletes Passed
1650*
Passed By
160
Net Change
+1490
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5853
1.40M → 2.13M284*22+262#5853#5591
2.13M → 6.43M525*87+438#5591#5153
6.43M → 6.62M10715+92#5153#5061
6.62M → 10.65M336*34+302#5061#4759
10.65M → Finish398*2+396#4759#4363
TOTALS1650*160+1490

* 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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