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BOSTON MARATHON 2023

Kai Sharbono

Bib: 3021•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Female)
#0 / 11423
Top 0.9%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:44/mi
20:56
↑ 97↓ 3451.5%
10K· 6.21 mi
6:36/mi
41:25
↑ 79↓ 1380.4%
15K· 9.32 mi
6:34/mi
1:01:48
↑ 67↓ 78
20K· 12.43 mi
6:39/mi
1:22:29
↑ 106↓ 860.1%
Half· 13.11 mi
6:33/mi
1:26:57
↑ 19↓ 370.5%
25K· 15.53 mi
6:40/mi
1:43:07
↑ 66↓ 880.2%
30K· 18.64 mi
6:41/mi
2:03:54
↑ 181↓ 1480.2%
20M
6:40/mi
2:12:57
↑ 64↓ 500.2%
21M
6:51/mi
2:19:48
↑ 106↓ 241.6%
35K· 21.75 mi
6:24/mi
2:24:35
↑ 17↓ 861.7%
23M
6:34/mi
2:32:48
↑ 23↓ 630.6%
24M
6:22/mi
2:39:10
↓ 821.3%
40K· 24.85 mi
6:20/mi
2:44:35
↓ 200.3%
25.2M
6:49/mi
2:46:56
↑ 13↓ 160.2%
Finish· 26.22 mi
6:19/mi
2:53:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:26:57
Pace6:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:25
Pace6:36 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2020:566:4420:56
6:44
-
10K
6.21 mi10:42:4941:256:4020:29
6:36
-0:08
15K
9.32 mi11:03:121:01:486:3820:23
6:34
-0:02
20K
12.43 mi11:23:531:22:296:3820:41
6:39
+0:05
Half
13.11 mi11:28:211:26:576:384:28
6:33
-0:06
25K
15.53 mi11:44:311:43:076:3816:10
6:40
+0:07
30K
18.64 mi12:05:182:03:546:3920:47
6:41
+0:01
20M
20.00 mi12:14:212:12:576:399:03
6:40
-0:01
21M
21.00 mi12:21:122:19:486:396:51
6:51
+0:11
35K
21.75 mi12:25:592:24:356:394:47
6:24
-0:27
23M
23.00 mi12:34:122:32:486:398:13
6:34
+0:10
24M
24.00 mi12:40:342:39:106:386:22
6:22
-0:12
40K
24.85 mi12:45:592:44:356:375:25
6:20
-0:02
25.2M
25.20 mi12:48:202:46:566:372:21
6:49
+0:29
Finish
26.22 mi12:54:462:53:226:376:26
6:19
-0:30

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

6:19 /mi

Average Pace

6:37 /mi

Slowest Pace

6:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:33

44% of race

Time at Steady Pace

1:36:49

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:37 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
5K
3.11 mi10:22:2020:566:4420:56
6:44
#4033
10K
6.21 mi10:42:4941:256:4020:29
6:36
#3664
15K
9.32 mi11:03:121:01:486:3820:23
6:34
#3426
20K
12.43 mi11:23:531:22:296:3820:41
6:39
#3359
Half
13.11 mi11:28:211:26:576:384:28
6:33
#3338
25K
15.53 mi11:44:311:43:076:3816:10
6:40
#3266
30K
18.64 mi12:05:182:03:546:3920:47
6:41
#3021
20M
20.00 mi12:14:212:12:576:399:03
6:40
#2923
21M
21.00 mi12:21:122:19:486:396:51
6:51
#2798
35K
21.75 mi12:25:592:24:356:394:47
6:24
#2738
23M
23.00 mi12:34:122:32:486:398:13
6:34
#2610
24M
24.00 mi12:40:342:39:106:386:22
6:22
#2523
40K
24.85 mi12:45:592:44:356:375:25
6:20
#2433
25.2M
25.20 mi12:48:202:46:566:372:21
6:49
#2392
Finish
26.22 mi12:54:462:53:226:376:26
6:19
#2343
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi40332432433011(Top 11%)134(Top 1%)134(Top 3%)
10K6.21 mi3.10 mi3664+369204+39204+393463(Top 13%)176(Top 2%)176(Top 4%)
15K9.32 mi3.11 mi3426+238176+28176+283011(Top 11%)134(Top 1%)134(Top 3%)
20K12.43 mi3.11 mi3359+67167+9167+93248(Top 12%)162(Top 1%)162(Top 3%)
Half13.11 mi0.68 mi3338+21162+5162+53140(Top 12%)136(Top 1%)136(Top 3%)
25K15.53 mi2.42 mi3266+72153+9153+93147(Top 12%)144(Top 1%)144(Top 3%)
30K18.64 mi3.11 mi3021+245140+13140+132359(Top 9%)112(Top 1.0%)112(Top 2%)
20M20.00 mi1.36 mi2923+98128+12128+122130(Top 8%)100(Top 0.9%)100(Top 2%)
21M21.00 mi1.00 mi2798+125123+5123+51608(Top 6%)76(Top 0.7%)76(Top 2%)
35K21.75 mi0.75 mi2738+60119+4119+41984(Top 7%)98(Top 0.9%)98(Top 2%)
23M23.00 mi1.25 mi2610+128113+6113+61670(Top 6%)82(Top 0.7%)82(Top 2%)
24M24.00 mi1.00 mi2523+87110+3110+31599(Top 6%)86(Top 0.8%)86(Top 2%)
40K24.85 mi0.85 mi2433+90105+5105+51030(Top 4%)56(Top 0.5%)56(Top 1%)
25.2M25.20 mi0.35 mi2392+41103+2103+21252(Top 5%)64(Top 0.6%)64(Top 1%)
Finish26.22 mi1.02 mi2343+4999+499+41701(Top 6%)99(Top 0.9%)99(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

3011

Females

134

F18-39

134

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3463

Females

176

F18-39

176

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

3011

Females

134

F18-39

134

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3248

Females

162

F18-39

162

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3140

Females

136

F18-39

136

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3147

Females

144

F18-39

144

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2359

Females

112

F18-39

112

30K→20M

18.6 - 20.0 mi

Top 8%
×5story building
+64ft-50ft

Overall

2130

Females

100

F18-39

100

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1608

Females

76

F18-39

76

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1984

Females

98

F18-39

98

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1670

Females

82

F18-39

82

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1599

Females

86

F18-39

86

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1030

Females

56

F18-39

56

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1252

Females

64

F18-39

64

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1701

Females

99

F18-39

99

Passing Analysis

Category:
Athletes Passed
1912
Passed By
222
Net Change
+1690
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4033
5K → 10K45283+369#4033#3664
10K → 15K25517+238#3664#3426
15K → 20K11346+67#3426#3359
20K → Half298+21#3359#3338
Half → 25K10634+72#3338#3266
25K → 30K2516+245#3266#3021
30K → 20M1046+98#3021#2923
20M → 21M1283+125#2923#2798
21M → 35K644+60#2798#2738
35K → 23M1302+128#2738#2610
23M → 24M881+87#2610#2523
24M → 40K911+90#2523#2433
40K → 25.2M421+41#2433#2392
25.2M → Finish5910+49#2392#2343
TOTALS1912222+1690
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing