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BOSTON MARATHON 2023

Kelsey Chope

Bib: 17364•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:24
Rank: #12877
Start → 5K
24:24 | 7:51/mi
10K· 6.21 mi
48:42
Rank: #13052 (-175)
5K → 10K
24:18 | 7:49/mi
15K· 9.32 mi
1:13:02
Rank: #13006 (+46)
10K → 15K
24:20 | 7:50/mi
20K· 12.43 mi
1:37:36
Rank: #12886 (+120)
15K → 20K
24:34 | 7:54/mi
Half· 13.11 mi
1:42:57
Rank: #12899 (-13)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:02:07
Rank: #12694 (+205)
Half → 25K
19:10 | 7:54/mi
30K· 18.64 mi
2:26:47
Rank: #12249 (+445)
25K → 30K
24:40 | 7:56/mi
20M
2:37:40
Rank: #12073 (+176)
30K → 20M
10:53 | 8:01/mi
21M
2:45:56
Rank: #11874 (+199)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:51:48
Rank: #11844 (+30)
21M → 35K
5:52 | 7:51/mi
23M
3:01:49
Rank: #11686 (+158)
35K → 23M
10:01 | 8:00/mi
24M
3:09:36
Rank: #11587 (+99)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:16:16
Rank: #11449 (+138)
24M → 40K
6:40 | 7:48/mi
25.2M
3:19:07
Rank: #11374 (+75)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:26:36
Rank: #11157 (+217)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:42:57
Pace7:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:39
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5524:247:5124:24
7:51
-
10K
6.21 mi11:39:1348:427:5024:18
7:49
-0:02
15K
9.32 mi12:03:331:13:027:5024:20
7:50
+0:01
20K
12.43 mi12:28:071:37:367:5124:34
7:54
+0:04
Half
13.11 mi12:33:281:42:577:515:21
7:50
-0:04
25K
15.53 mi12:52:382:02:077:5219:10
7:54
+0:04
30K
18.64 mi13:17:182:26:477:5224:40
7:56
+0:02
20M
20.00 mi13:28:112:37:407:5310:53
8:01
+0:05
21M
21.00 mi13:36:272:45:567:548:16
8:16
+0:15
35K
21.75 mi13:42:192:51:487:545:52
7:51
-0:25
23M
23.00 mi13:52:203:01:497:5410:01
8:00
+0:09
24M
24.00 mi14:00:073:09:367:547:47
7:47
-0:13
40K
24.85 mi14:06:473:16:167:546:40
7:48
+0:01
25.2M
25.20 mi14:09:383:19:077:542:51
8:16
+0:28
Finish
26.22 mi14:17:073:26:367:537:29
7:21
-0:55

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

7:21 /mi

Average Pace

7:53 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:29

95% of race

Time at Steady Pace

11:07

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:14:5524:247:5124:24
7:51
#12877
10K
6.21 mi11:39:1348:427:5024:18
7:49
#13052
15K
9.32 mi12:03:331:13:027:5024:20
7:50
#13006
20K
12.43 mi12:28:071:37:367:5124:34
7:54
#12886
Half
13.11 mi12:33:281:42:577:515:21
7:50
#12899
25K
15.53 mi12:52:382:02:077:5219:10
7:54
#12694
30K
18.64 mi13:17:182:26:477:5224:40
7:56
#12249
20M
20.00 mi13:28:112:37:407:5310:53
8:01
#12073
21M
21.00 mi13:36:272:45:567:548:16
8:16
#11874
35K
21.75 mi13:42:192:51:487:545:52
7:51
#11844
23M
23.00 mi13:52:203:01:497:5410:01
8:00
#11686
24M
24.00 mi14:00:073:09:367:547:47
7:47
#11587
40K
24.85 mi14:06:473:16:167:546:40
7:48
#11449
25.2M
25.20 mi14:09:383:19:077:542:51
8:16
#11374
Finish
26.22 mi14:17:073:26:367:537:29
7:21
#11157
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128773368336812984(Top 49%)3462(Top 30%)3462(Top 71%)
10K6.21 mi3.10 mi13052-1753473-1053473-10513328(Top 50%)3620(Top 32%)3620(Top 74%)
15K9.32 mi3.11 mi13006+463460+133460+1312984(Top 49%)3462(Top 30%)3462(Top 71%)
20K12.43 mi3.11 mi12886+1203412+483412+4812685(Top 48%)3369(Top 29%)3369(Top 69%)
Half13.11 mi0.68 mi12899-133423-113423-1113110(Top 49%)3544(Top 31%)3544(Top 73%)
25K15.53 mi2.42 mi12694+2053330+933330+9311959(Top 45%)3046(Top 27%)3046(Top 62%)
30K18.64 mi3.11 mi12249+4453124+2063124+20610451(Top 39%)2369(Top 21%)2369(Top 49%)
20M20.00 mi1.36 mi12073+1763042+823042+8210363(Top 39%)2409(Top 21%)2409(Top 49%)
21M21.00 mi1.00 mi11874+1992939+1032939+1039064(Top 34%)1961(Top 17%)1961(Top 40%)
35K21.75 mi0.75 mi11844+302940-12940-110992(Top 41%)2869(Top 25%)2869(Top 59%)
23M23.00 mi1.25 mi11686+1582871+692871+699767(Top 37%)2394(Top 21%)2394(Top 49%)
24M24.00 mi1.00 mi11587+992838+332838+339694(Top 36%)2443(Top 21%)2443(Top 50%)
40K24.85 mi0.85 mi11449+1382784+542784+548705(Top 33%)2041(Top 18%)2041(Top 42%)
25.2M25.20 mi0.35 mi11374+752756+282756+288194(Top 31%)1921(Top 17%)1921(Top 39%)
Finish26.22 mi1.02 mi11157+2172667+892667+897440(Top 28%)1608(Top 14%)1608(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12984

Females

3462

F18-39

3462

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13328

Females

3620

F18-39

3620

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12984

Females

3462

F18-39

3462

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12685

Females

3369

F18-39

3369

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13110

Females

3544

F18-39

3544

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11959

Females

3046

F18-39

3046

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10451

Females

2369

F18-39

2369

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10363

Females

2409

F18-39

2409

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9064

Females

1961

F18-39

1961

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10992

Females

2869

F18-39

2869

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9767

Females

2394

F18-39

2394

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9694

Females

2443

F18-39

2443

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8705

Females

2041

F18-39

2041

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8194

Females

1921

F18-39

1921

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7440

Females

1608

F18-39

1608

Passing Analysis

Category:
Athletes Passed
2695
Passed By
975
Net Change
+1720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12877
5K → 10K236411-175#12877#13052
10K → 15K237191+46#13052#13006
15K → 20K243123+120#13006#12886
20K → Half3447-13#12886#12899
Half → 25K24136+205#12899#12694
25K → 30K47732+445#12694#12249
30K → 20M20024+176#12249#12073
20M → 21M21112+199#12073#11874
21M → 35K6333+30#11874#11844
35K → 23M18224+158#11844#11686
23M → 24M12122+99#11686#11587
24M → 40K1479+138#11587#11449
40K → 25.2M838+75#11449#11374
25.2M → Finish2203+217#11374#11157
TOTALS2695975+1720
📊

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