Laura Rosenfeld

Bib: 17899FAge: 50

Deerfield, IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Masters (Masters Women)
#0 / 776
Division (F50-54)
#0 / 149
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
10:46/mi
19:30
→ flat
5.34M
11:35/mi
1:00:22
8074
6.15M
13:10/mi
1:11:02
1262.8%
10.54M
12:19/mi
2:05:05
2303610.6%
11.05M
18:53/mi
2:14:43
1726.4%
Finish· 13.11 mi
13:15/mi
2:42:01
971140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:11:02
Pace11:33 /mi
2nd Half
Distance6.96 mi
Time1:30:59
Pace13:04 /mi
📊Positive Split: 28.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:56:1719:3010:4619:30
10:46
-
5.34M
5.34 mi07:37:091:00:2211:1840:52
11:35
+0:49
6.15M
6.15 mi07:47:491:11:0211:3310:40
13:10
+1:35
10.54M
10.54 mi08:41:522:05:0511:5254:03
12:19
-0:51
11.05M
11.05 mi08:51:302:14:4312:129:38
18:53
+6:34
Finish
13.11 mi09:18:482:42:0112:2227:18
13:15
-5:38

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

10:46 /mi

Average Pace

12:22 /mi

Slowest Pace

18:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:22

37% of race

Time at Steady Pace

1:32:01

57% of race

Time at Slower Pace

9:38

6% of race

Average Pace: 12:21 /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 mi06:56:1719:3010:4619:30
10:46
#5373
5.34M
5.34 mi07:37:091:00:2211:1840:52
11:35
#5602
6.15M
6.15 mi07:47:491:11:0211:3310:40
13:10
#5701
10.54M
10.54 mi08:41:522:05:0511:5254:03
12:19
#5680
11.05M
11.05 mi08:51:302:14:4312:129:38
18:53
#5747
Finish
13.11 mi09:18:482:42:0112:2227:18
13:15
#5769
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
1.81M1.81 mi1.81 mi53732091795373(Top 76%)2091(Top 67%)79(Top 53%)
5.34M5.34 mi3.53 mi5602-2292220-12987-85685(Top 80%)2273(Top 73%)90(Top 60%)
6.15M6.15 mi0.81 mi5701-992277-5789-26130(Top 86%)2516(Top 81%)103(Top 69%)
10.54M10.54 mi4.39 mi5680+212285-892-35651(Top 80%)2274(Top 73%)90(Top 60%)
11.05M11.05 mi0.51 mi5747-672324-3993-16234(Top 88%)2608(Top 84%)116(Top 78%)
Finish13.11 mi2.06 mi5769-222347-2395-25843(Top 82%)2465(Top 79%)103(Top 69%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 76%
~flat
+4ft-3ft

Overall

5373

Females

2091

F50-54

81

1.81M→5.34M

1.8 - 5.3 mi

Top 80%
×4story building
+80ft-74ft

Overall

5685

Females

2273

F50-54

91

5.34M→6.15M

5.3 - 6.2 mi

Top 86%
×10story building
+126ft-4ft

Overall

6130

Females

2516

F50-54

104

6.15M→10.54M

6.2 - 10.5 mi

Top 80%
×21story building
+230ft-361ft

Overall

5651

Females

2274

F50-54

91

10.54M→11.05M

10.5 - 11.1 mi

Top 88%
×14story building
+172ft-0ft

Overall

6234

Females

2608

F50-54

117

11.05M→Finish

11.1 - 13.1 mi

Top 82%
×7story building
+97ft-114ft

Overall

5843

Females

2465

F50-54

103

Passing Analysis

Category:
Athletes Passed
415*
Passed By
811
Net Change
-396
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5373
1.81M5.34M167*396-229#5373#5602
5.34M6.15M21120-99#5602#5701
6.15M10.54M158*137+21#5701#5680
10.54M11.05M1077-67#5680#5747
11.05MFinish59*81-22#5747#5769
TOTALS415*811-396

* 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