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BOSTON MARATHON 2023

Shreya Chilukuri

Bib: 16318•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
8:29/mi
26:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:45
↑ 79↓ 1380.4%
15K· 9.32 mi
9:01/mi
1:20:46
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:47:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:53:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:15:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:44:19
↑ 181↓ 1480.2%
20M
9:41/mi
2:57:28
↑ 64↓ 500.2%
21M
9:21/mi
3:06:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:13:17
↑ 17↓ 861.7%
23M
9:02/mi
3:24:35
↑ 23↓ 630.6%
24M
8:56/mi
3:33:31
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:41:16
↓ 200.3%
25.2M
9:40/mi
3:44:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
3:53:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:48
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time1:59:44
Pace9:08 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1326:218:2926:21
8:29
-
10K
6.21 mi11:43:3752:458:2926:24
8:30
+0:01
15K
9.32 mi12:11:381:20:468:4028:01
9:01
+0:31
20K
12.43 mi12:38:441:47:528:4127:06
8:43
-0:18
Half
13.11 mi12:44:401:53:488:415:56
8:42
-0:01
25K
15.53 mi13:06:272:15:358:4421:47
8:59
+0:17
30K
18.64 mi13:35:112:44:198:4928:44
9:15
+0:16
20M
20.00 mi13:48:202:57:288:5213:09
9:41
+0:26
21M
21.00 mi13:57:413:06:498:549:21
9:21
-0:20
35K
21.75 mi14:04:093:13:178:536:28
8:39
-0:42
23M
23.00 mi14:15:273:24:358:5411:18
9:02
+0:23
24M
24.00 mi14:24:233:33:318:548:56
8:56
-0:06
40K
24.85 mi14:32:083:41:168:547:45
9:04
+0:08
25.2M
25.20 mi14:35:283:44:368:553:20
9:40
+0:36
Finish
26.22 mi14:44:243:53:328:558:56
8:46
-0:54

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

8:29 /mi

Average Pace

8:55 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:42

89% of race

Time at Steady Pace

25:50

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:54 /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 mi11:17:1326:218:2926:21
8:29
#17450
10K
6.21 mi11:43:3752:458:2926:24
8:30
#17849
15K
9.32 mi12:11:381:20:468:4028:01
9:01
#18843
20K
12.43 mi12:38:441:47:528:4127:06
8:43
#18694
Half
13.11 mi12:44:401:53:488:415:56
8:42
#18701
25K
15.53 mi13:06:272:15:358:4421:47
8:59
#18728
30K
18.64 mi13:35:112:44:198:4928:44
9:15
#18673
20M
20.00 mi13:48:202:57:288:5213:09
9:41
#18746
21M
21.00 mi13:57:413:06:498:549:21
9:21
#18527
35K
21.75 mi14:04:093:13:178:536:28
8:39
#18419
23M
23.00 mi14:15:273:24:358:5411:18
9:02
#18287
24M
24.00 mi14:24:233:33:318:548:56
8:56
#18222
40K
24.85 mi14:32:083:41:168:547:45
9:04
#18162
25.2M
25.20 mi14:35:283:44:368:553:20
9:40
#18136
Finish
26.22 mi14:44:243:53:328:558:56
8:46
#18101
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi174506224622420578(Top 77%)7998(Top 70%)7998(Top 164%)
10K6.21 mi3.10 mi17849-3996433-2096433-20918242(Top 69%)6619(Top 58%)6619(Top 136%)
15K9.32 mi3.11 mi18843-9947033-6007033-60020578(Top 77%)7998(Top 70%)7998(Top 164%)
20K12.43 mi3.11 mi18694+1496930+1036930+10318264(Top 69%)6649(Top 58%)6649(Top 136%)
Half13.11 mi0.68 mi18701-76935-56935-518951(Top 71%)7050(Top 62%)7050(Top 144%)
25K15.53 mi2.42 mi18728-276969-346969-3418874(Top 71%)7057(Top 62%)7057(Top 144%)
30K18.64 mi3.11 mi18673+556957+126957+1218402(Top 69%)6864(Top 60%)6864(Top 141%)
20M20.00 mi1.36 mi18746-737006-497006-4919501(Top 73%)7569(Top 66%)7569(Top 155%)
21M21.00 mi1.00 mi18527+2196890+1166890+11615296(Top 57%)5233(Top 46%)5233(Top 107%)
35K21.75 mi0.75 mi18419+1086844+466844+4616165(Top 61%)5804(Top 51%)5804(Top 119%)
23M23.00 mi1.25 mi18287+1326780+646780+6416198(Top 61%)5854(Top 51%)5854(Top 120%)
24M24.00 mi1.00 mi18222+656753+276753+2716949(Top 64%)6330(Top 55%)6330(Top 130%)
40K24.85 mi0.85 mi18162+606732+216732+2116515(Top 62%)6145(Top 54%)6145(Top 126%)
25.2M25.20 mi0.35 mi18136+266722+106722+1016031(Top 60%)5895(Top 52%)5895(Top 121%)
Finish26.22 mi1.02 mi18101+356710+126710+1216880(Top 63%)6312(Top 55%)6312(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20578

Females

7998

F18-39

7998

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18242

Females

6619

F18-39

6619

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20578

Females

7998

F18-39

7998

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18264

Females

6649

F18-39

6649

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18951

Females

7050

F18-39

7050

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18874

Females

7057

F18-39

7057

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18402

Females

6864

F18-39

6864

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19501

Females

7569

F18-39

7569

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15296

Females

5233

F18-39

5233

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16165

Females

5804

F18-39

5804

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16198

Females

5854

F18-39

5854

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

16949

Females

6330

F18-39

6330

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16515

Females

6145

F18-39

6145

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16031

Females

5895

F18-39

5895

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16880

Females

6312

F18-39

6312

Passing Analysis

Category:
Athletes Passed
1562
Passed By
2213
Net Change
-651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17450
5K → 10K149548-399#17450#17849
10K → 15K191013-994#17849#18843
15K → 20K23687+149#18843#18694
20K → Half2431-7#18694#18701
Half → 25K109136-27#18701#18728
25K → 30K198143+55#18728#18673
30K → 20M63136-73#18673#18746
20M → 21M2289+219#18746#18527
21M → 35K1135+108#18527#18419
35K → 23M15321+132#18419#18287
23M → 24M8520+65#18287#18222
24M → 40K8121+60#18222#18162
40K → 25.2M348+26#18162#18136
25.2M → Finish7035+35#18136#18101
TOTALS15622213-651
📊

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