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BOSTON MARATHON 2023

Kelsey Long

Bib: 9903•F

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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

Start
0:00:00
Race begins
5K· 3.11 mi
34:17
Rank: #25736
Start → 5K
34:17 | 11:02/mi
10K· 6.21 mi
1:10:44
Rank: #26003 (-267)
5K → 10K
36:27 | 11:44/mi
15K· 9.32 mi
1:51:29
Rank: #26269 (-266)
10K → 15K
40:45 | 13:07/mi
20K· 12.43 mi
2:37:05
Rank: #26459 (-190)
15K → 20K
45:36 | 14:41/mi
Half· 13.11 mi
2:46:10
Rank: #26463 (-4)
20K → Half
9:05 | 13:19/mi
25K· 15.53 mi
3:22:08
Rank: #26502 (-39)
Half → 25K
35:58 | 14:50/mi
30K· 18.64 mi
4:08:12
Rank: #26512 (-10)
25K → 30K
46:04 | 14:50/mi
20M
4:29:18
Rank: #26523 (-11)
30K → 20M
21:06 | 15:32/mi
21M
4:47:17
Rank: #26550 (-27)
20M → 21M
17:59 | 17:59/mi
35K· 21.75 mi
4:57:23
Rank: #26542 (+8)
21M → 35K
10:06 | 13:30/mi
23M
5:16:07
Rank: #26547 (-5)
35K → 23M
18:44 | 14:58/mi
24M
5:31:07
Rank: #26556 (-9)
23M → 24M
15:00 | 15:00/mi
40K· 24.85 mi
5:43:16
Rank: #26546 (+10)
24M → 40K
12:09 | 14:13/mi
25.2M
5:48:13
Rank: #26538 (+8)
40K → 25.2M
4:57 | 14:21/mi
Finish· 26.22 mi
6:00:24
Rank: #26526 (+12)
25.2M → Finish
12:11 | 11:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:46:10
Pace12:41 /mi
2nd Half
Distance13.11 mi
Time3:14:14
Pace14:49 /mi
📊Positive Split: 16.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:1034:1711:0234:17
11:02
-
10K
6.21 mi11:36:371:10:4411:2336:27
11:44
+0:42
15K
9.32 mi12:17:221:51:2911:5840:45
13:07
+1:23
20K
12.43 mi13:02:582:37:0512:3845:36
14:41
+1:34
Half
13.11 mi13:12:032:46:1012:419:05
13:19
-1:22
25K
15.53 mi13:48:013:22:0813:0135:58
14:50
+1:31
30K
18.64 mi14:34:054:08:1213:1946:04
14:50
0:00
20M
20.00 mi14:55:114:29:1813:2821:06
15:32
+0:42
21M
21.00 mi15:13:104:47:1713:4117:59
17:59
+2:27
35K
21.75 mi15:23:164:57:2313:4010:06
13:30
-4:29
23M
23.00 mi15:42:005:16:0713:4518:44
14:58
+1:28
24M
24.00 mi15:57:005:31:0713:4815:00
15:00
+0:02
40K
24.85 mi16:09:095:43:1613:4912:09
14:13
-0:47
25.2M
25.20 mi16:14:065:48:1313:494:57
14:21
+0:08
Finish
26.22 mi16:26:176:00:2413:4512:11
11:57
-2:24

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

11:02 /mi

Average Pace

13:45 /mi

Slowest Pace

17:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:51

40% of race

Time at Steady Pace

2:58:28

50% of race

Time at Slower Pace

39:05

11% of race

Average Pace: 13:45 /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 mi11:00:1034:1711:0234:17
11:02
#25736
10K
6.21 mi11:36:371:10:4411:2336:27
11:44
#26003
15K
9.32 mi12:17:221:51:2911:5840:45
13:07
#26269
20K
12.43 mi13:02:582:37:0512:3845:36
14:41
#26459
Half
13.11 mi13:12:032:46:1012:419:05
13:19
#26463
25K
15.53 mi13:48:013:22:0813:0135:58
14:50
#26502
30K
18.64 mi14:34:054:08:1213:1946:04
14:50
#26512
20M
20.00 mi14:55:114:29:1813:2821:06
15:32
#26523
21M
21.00 mi15:13:104:47:1713:4117:59
17:59
#26550
35K
21.75 mi15:23:164:57:2313:4010:06
13:30
#26542
23M
23.00 mi15:42:005:16:0713:4518:44
14:58
#26547
24M
24.00 mi15:57:005:31:0713:4815:00
15:00
#26556
40K
24.85 mi16:09:095:43:1613:4912:09
14:13
#26546
25.2M
25.20 mi16:14:065:48:1313:494:57
14:21
#26538
Finish
26.22 mi16:26:176:00:2413:4512:11
11:57
#26526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25736108801088026512(Top 100%)11367(Top 100%)11367(Top 233%)
10K6.21 mi3.10 mi26003-26711046-16611046-16626111(Top 98%)11114(Top 97%)11114(Top 228%)
15K9.32 mi3.11 mi26269-26611210-16411210-16426512(Top 100%)11367(Top 100%)11367(Top 233%)
20K12.43 mi3.11 mi26459-19011333-12311333-12326578(Top 100%)11401(Top 100%)11401(Top 233%)
Half13.11 mi0.68 mi26463-411336-311336-326431(Top 99%)11324(Top 99%)11324(Top 232%)
25K15.53 mi2.42 mi26502-3911364-2811364-2826527(Top 100%)11373(Top 100%)11373(Top 233%)
30K18.64 mi3.11 mi26512-1011366-211366-226369(Top 99%)11297(Top 99%)11297(Top 231%)
20M20.00 mi1.36 mi26523-1111372-611372-626431(Top 99%)11335(Top 99%)11335(Top 232%)
21M21.00 mi1.00 mi26550-2711386-1411386-1426551(Top 100%)11389(Top 100%)11389(Top 233%)
35K21.75 mi0.75 mi26542+811383+311383+325901(Top 97%)11092(Top 97%)11092(Top 227%)
23M23.00 mi1.25 mi26547-511386-311386-326286(Top 99%)11278(Top 99%)11278(Top 231%)
24M24.00 mi1.00 mi26556-911391-511391-526388(Top 99%)11331(Top 99%)11331(Top 232%)
40K24.85 mi0.85 mi26546+1011386+511386+525808(Top 97%)11079(Top 97%)11079(Top 227%)
25.2M25.20 mi0.35 mi26538+811382+411382+425302(Top 95%)10833(Top 95%)10833(Top 222%)
Finish26.22 mi1.02 mi26526+1211376+611376+625202(Top 95%)10776(Top 94%)10776(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

26512

Females

11367

F18-39

11367

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

26111

Females

11114

F18-39

11114

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

26512

Females

11367

F18-39

11367

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

26578

Females

11401

F18-39

11401

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

26431

Females

11324

F18-39

11324

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

26527

Females

11373

F18-39

11373

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

26369

Females

11297

F18-39

11297

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

26431

Females

11335

F18-39

11335

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

26551

Females

11389

F18-39

11389

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

25901

Females

11092

F18-39

11092

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

26286

Females

11278

F18-39

11278

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

26388

Females

11331

F18-39

11331

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25808

Females

11079

F18-39

11079

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25302

Females

10833

F18-39

10833

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

25202

Females

10776

F18-39

10776

Passing Analysis

Category:
Athletes Passed
109
Passed By
899
Net Change
-790
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25736
5K → 10K29296-267#25736#26003
10K → 15K4270-266#26003#26269
15K → 20K8198-190#26269#26459
20K → Half37-4#26459#26463
Half → 25K544-39#26463#26502
25K → 30K1121-10#26502#26512
30K → 20M213-11#26512#26523
20M → 21M027-27#26523#26550
21M → 35K102+8#26550#26542
35K → 23M510-5#26542#26547
23M → 24M110-9#26547#26556
24M → 40K111+10#26556#26546
40K → 25.2M80+8#26546#26538
25.2M → Finish120+12#26538#26526
TOTALS109899-790
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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