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BOSTON MARATHON 2023

Caitlyn Miller

Bib: 9591•F

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #5297
Start → 5K
6:52/mi
21:20 split
10K· 6.21 mi
42:31
Rank: #5349 (-52)
5K → 10K
6:49/mi
21:11 split
15K· 9.32 mi
1:03:53
Rank: #5511 (-162)
10K → 15K
6:53/mi
21:22 split
20K· 12.43 mi
1:25:14
Rank: #5404 (+107)
15K → 20K
6:52/mi
21:21 split
Half· 13.11 mi
1:29:51
Rank: #5383 (+21)
20K → Half
6:46/mi
4:37 split
25K· 15.53 mi
1:46:32
Rank: #5265 (+118)
Half → 25K
6:53/mi
16:41 split
30K· 18.64 mi
2:07:54
Rank: #4851 (+414)
25K → 30K
6:53/mi
21:22 split
20M
2:17:20
Rank: #4731 (+120)
30K → 20M
6:57/mi
9:26 split
21M
2:24:31
Rank: #4602 (+129)
20M → 21M
7:11/mi
7:11 split
35K· 21.75 mi
2:29:31
Rank: #4540 (+62)
21M → 35K
6:41/mi
5:00 split
23M
2:38:09
Rank: #4412 (+128)
35K → 23M
6:54/mi
8:38 split
24M
2:44:49
Rank: #4320 (+92)
23M → 24M
6:40/mi
6:40 split
40K· 24.85 mi
2:50:42
Rank: #4256 (+64)
24M → 40K
6:53/mi
5:53 split
25.2M
2:53:16
Rank: #4241 (+15)
40K → 25.2M
7:27/mi
2:34 split
Finish· 26.22 mi
2:59:56
Rank: #4179 (+62)
25.2M → Finish
6:33/mi
6:40 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:51
Pace6:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:05
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1821:206:5221:20
6:52
-
10K
6.21 mi11:08:2942:316:5121:11
6:49
-0:03
15K
9.32 mi11:29:511:03:536:5121:22
6:53
+0:04
20K
12.43 mi11:51:121:25:146:5221:21
6:52
-0:01
Half
13.11 mi11:55:491:29:516:514:37
6:46
-0:06
25K
15.53 mi12:12:301:46:326:5116:41
6:53
+0:07
30K
18.64 mi12:33:522:07:546:5221:22
6:53
0:00
20M
20.00 mi12:43:182:17:206:529:26
6:57
+0:04
21M
21.00 mi12:50:292:24:316:537:11
7:11
+0:14
35K
21.75 mi12:55:292:29:316:525:00
6:41
-0:30
23M
23.00 mi13:04:072:38:096:538:38
6:54
+0:13
24M
24.00 mi13:10:472:44:496:526:40
6:40
-0:14
40K
24.85 mi13:16:402:50:426:525:53
6:53
+0:13
25.2M
25.20 mi13:19:142:53:166:532:34
7:27
+0:34
Finish
26.22 mi13:25:542:59:566:526:40
6:33
-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

6:33 /mi

Average Pace

6:52 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:22

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:47:1821:206:5221:20
6:52
#5297
10K
6.21 mi11:08:2942:316:5121:11
6:49
#5349
15K
9.32 mi11:29:511:03:536:5121:22
6:53
#5511
20K
12.43 mi11:51:121:25:146:5221:21
6:52
#5404
Half
13.11 mi11:55:491:29:516:514:37
6:46
#5383
25K
15.53 mi12:12:301:46:326:5116:41
6:53
#5265
30K
18.64 mi12:33:522:07:546:5221:22
6:53
#4851
20M
20.00 mi12:43:182:17:206:529:26
6:57
#4731
21M
21.00 mi12:50:292:24:316:537:11
7:11
#4602
35K
21.75 mi12:55:292:29:316:525:00
6:41
#4540
23M
23.00 mi13:04:072:38:096:538:38
6:54
#4412
24M
24.00 mi13:10:472:44:496:526:40
6:40
#4320
40K
24.85 mi13:16:402:50:426:525:53
6:53
#4256
25.2M
25.20 mi13:19:142:53:166:532:34
7:27
#4241
Finish
26.22 mi13:25:542:59:566:526:40
6:33
#4179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi52973893895800(Top 22%)483(Top 4%)483(Top 10%)
10K6.21 mi3.10 mi5349-52401-12401-125486(Top 21%)424(Top 4%)424(Top 9%)
15K9.32 mi3.11 mi5511-162422-21422-215800(Top 22%)483(Top 4%)483(Top 10%)
20K12.43 mi3.11 mi5404+107404+18404+185144(Top 19%)381(Top 3%)381(Top 8%)
Half13.11 mi0.68 mi5383+21399+5399+55065(Top 19%)365(Top 3%)365(Top 7%)
25K15.53 mi2.42 mi5265+118382+17382+174837(Top 18%)353(Top 3%)353(Top 7%)
30K18.64 mi3.11 mi4851+414333+49333+493524(Top 13%)211(Top 2%)211(Top 4%)
20M20.00 mi1.36 mi4731+120320+13320+133696(Top 14%)250(Top 2%)250(Top 5%)
21M21.00 mi1.00 mi4602+129310+10310+103044(Top 11%)192(Top 2%)192(Top 4%)
35K21.75 mi0.75 mi4540+62303+7303+73524(Top 13%)256(Top 2%)256(Top 5%)
23M23.00 mi1.25 mi4412+128289+14289+143230(Top 12%)227(Top 2%)227(Top 5%)
24M24.00 mi1.00 mi4320+92276+13276+132969(Top 11%)212(Top 2%)212(Top 4%)
40K24.85 mi0.85 mi4256+64275+1275+13265(Top 12%)273(Top 2%)273(Top 6%)
25.2M25.20 mi0.35 mi4241+15277-2277-23698(Top 14%)376(Top 3%)376(Top 8%)
Finish26.22 mi1.02 mi4179+62270+7270+72712(Top 10%)233(Top 2%)233(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5800

Females

483

F18-39

483

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5486

Females

424

F18-39

424

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5800

Females

483

F18-39

483

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5144

Females

381

F18-39

381

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5065

Females

365

F18-39

365

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4837

Females

353

F18-39

353

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3524

Females

211

F18-39

211

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3696

Females

250

F18-39

250

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3044

Females

192

F18-39

192

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3524

Females

256

F18-39

256

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3230

Females

227

F18-39

227

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2969

Females

212

F18-39

212

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3265

Females

273

F18-39

273

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3698

Females

376

F18-39

376

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2712

Females

233

F18-39

233

Passing Analysis

Category:
Athletes Passed
1775
Passed By
657
Net Change
+1118
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5297
5K → 10K180232-52#5297#5349
10K → 15K64226-162#5349#5511
15K → 20K14538+107#5511#5404
20K → Half3110+21#5404#5383
Half → 25K16143+118#5383#5265
25K → 30K4184+414#5265#4851
30K → 20M13414+120#4851#4731
20M → 21M1356+129#4731#4602
21M → 35K7513+62#4602#4540
35K → 23M14921+128#4540#4412
23M → 24M1008+92#4412#4320
24M → 40K7713+64#4320#4256
40K → 25.2M2914+15#4256#4241
25.2M → Finish7715+62#4241#4179
TOTALS1775657+1118
📊

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