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BOSTON MARATHON 2023

Kelley Kelly

Bib: 18632•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:21
Rank: #15142
Start → 5K
25:21 | 8:10/mi
10K· 6.21 mi
49:04
Rank: #13558 (+1584)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:12:16
Rank: #12246 (+1312)
10K → 15K
23:12 | 7:28/mi
20K· 12.43 mi
1:35:33
Rank: #11428 (+818)
15K → 20K
23:17 | 7:30/mi
Half· 13.11 mi
1:40:40
Rank: #11358 (+70)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:58:53
Rank: #10931 (+427)
Half → 25K
18:13 | 7:31/mi
30K· 18.64 mi
2:22:27
Rank: #10303 (+628)
25K → 30K
23:34 | 7:35/mi
20M
2:32:47
Rank: #10068 (+235)
30K → 20M
10:20 | 7:36/mi
21M
2:40:43
Rank: #9836 (+232)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:46:24
Rank: #9808 (+28)
21M → 35K
5:41 | 7:36/mi
23M
2:55:51
Rank: #9575 (+233)
35K → 23M
9:27 | 7:33/mi
24M
3:03:13
Rank: #9432 (+143)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
3:09:32
Rank: #9251 (+181)
24M → 40K
6:19 | 7:23/mi
25.2M
3:12:18
Rank: #9199 (+52)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:19:49
Rank: #9139 (+60)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:40
Pace7:41 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0325:218:1025:21
8:10
-
10K
6.21 mi11:43:4649:047:5423:43
7:38
-0:32
15K
9.32 mi12:06:581:12:167:4523:12
7:28
-0:10
20K
12.43 mi12:30:151:35:337:4123:17
7:30
+0:02
Half
13.11 mi12:35:221:40:407:415:07
7:30
0:00
25K
15.53 mi12:53:351:58:537:3918:13
7:31
+0:01
30K
18.64 mi13:17:092:22:277:3923:34
7:35
+0:04
20M
20.00 mi13:27:292:32:477:3810:20
7:36
+0:01
21M
21.00 mi13:35:252:40:437:397:56
7:56
+0:20
35K
21.75 mi13:41:062:46:247:395:41
7:36
-0:20
23M
23.00 mi13:50:332:55:517:399:27
7:33
-0:03
24M
24.00 mi13:57:553:03:137:387:22
7:22
-0:11
40K
24.85 mi14:04:143:09:327:386:19
7:23
+0:01
25.2M
25.20 mi14:07:003:12:187:382:46
8:01
+0:38
Finish
26.22 mi14:14:313:19:497:387:31
7:23
-0:38

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

7:22 /mi

Average Pace

7:38 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:28

87% of race

Time at Steady Pace

25:21

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi11:20:0325:218:1025:21
8:10
#15142
10K
6.21 mi11:43:4649:047:5423:43
7:38
#13558
15K
9.32 mi12:06:581:12:167:4523:12
7:28
#12246
20K
12.43 mi12:30:151:35:337:4123:17
7:30
#11428
Half
13.11 mi12:35:221:40:407:415:07
7:30
#11358
25K
15.53 mi12:53:351:58:537:3918:13
7:31
#10931
30K
18.64 mi13:17:092:22:277:3923:34
7:35
#10303
20M
20.00 mi13:27:292:32:477:3810:20
7:36
#10068
21M
21.00 mi13:35:252:40:437:397:56
7:56
#9836
35K
21.75 mi13:41:062:46:247:395:41
7:36
#9808
23M
23.00 mi13:50:332:55:517:399:27
7:33
#9575
24M
24.00 mi13:57:553:03:137:387:22
7:22
#9432
40K
24.85 mi14:04:143:09:327:386:19
7:23
#9251
25.2M
25.20 mi14:07:003:12:187:382:46
8:01
#9199
Finish
26.22 mi14:14:313:19:497:387:31
7:23
#9139
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi15142473247329927(Top 37%)1807(Top 16%)1807(Top 37%)
10K6.21 mi3.10 mi13558+15843772+9603772+96011643(Top 44%)2668(Top 23%)2668(Top 55%)
15K9.32 mi3.11 mi12246+13123030+7423030+7429927(Top 37%)1807(Top 16%)1807(Top 37%)
20K12.43 mi3.11 mi11428+8182570+4602570+4609281(Top 35%)1593(Top 14%)1593(Top 33%)
Half13.11 mi0.68 mi11358+702539+312539+3110268(Top 39%)2001(Top 18%)2001(Top 41%)
25K15.53 mi2.42 mi10931+4272315+2242315+2248897(Top 33%)1523(Top 13%)1523(Top 31%)
30K18.64 mi3.11 mi10303+6282056+2592056+2597861(Top 30%)1254(Top 11%)1254(Top 26%)
20M20.00 mi1.36 mi10068+2351954+1021954+1027556(Top 28%)1244(Top 11%)1244(Top 25%)
21M21.00 mi1.00 mi9836+2321872+821872+826966(Top 26%)1126(Top 10%)1126(Top 23%)
35K21.75 mi0.75 mi9808+281876-41876-49281(Top 35%)2034(Top 18%)2034(Top 42%)
23M23.00 mi1.25 mi9575+2331805+711805+716760(Top 25%)1091(Top 10%)1091(Top 22%)
24M24.00 mi1.00 mi9432+1431771+341771+346872(Top 26%)1229(Top 11%)1229(Top 25%)
40K24.85 mi0.85 mi9251+1811721+501721+506050(Top 23%)1008(Top 9%)1008(Top 21%)
25.2M25.20 mi0.35 mi9199+521712+91712+96743(Top 25%)1329(Top 12%)1329(Top 27%)
Finish26.22 mi1.02 mi9139+601707+51707+57655(Top 29%)1684(Top 15%)1684(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9927

Females

1807

F18-39

1807

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11643

Females

2668

F18-39

2668

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9927

Females

1807

F18-39

1807

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9281

Females

1593

F18-39

1593

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10268

Females

2001

F18-39

2001

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8897

Females

1523

F18-39

1523

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7861

Females

1254

F18-39

1254

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7556

Females

1244

F18-39

1244

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6966

Females

1126

F18-39

1126

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9281

Females

2034

F18-39

2034

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6760

Females

1091

F18-39

1091

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6872

Females

1229

F18-39

1229

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6050

Females

1008

F18-39

1008

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6743

Females

1329

F18-39

1329

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7655

Females

1684

F18-39

1684

Passing Analysis

Category:
Athletes Passed
6148*
Passed By
145
Net Change
+6003
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15142
5K → 10K160925+1584#15142#13558
10K → 15K13219+1312#13558#12246
15K → 20K8213+818#12246#11428
20K → Half733+70#11428#11358
Half → 25K4281+427#11358#10931
25K → 30K6335+628#10931#10303
30K → 20M239*4+235#10303#10068
20M → 21M237*5+232#10068#9836
21M → 35K5931+28#9836#9808
35K → 23M2396+233#9808#9575
23M → 24M15613+143#9575#9432
24M → 40K1865+181#9432#9251
40K → 25.2M575+52#9251#9199
25.2M → Finish9030+60#9199#9139
TOTALS6148*145+6003

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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