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BOSTON MARATHON 2023

Caitlin Reagan

Bib: 15348•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:31
Rank: #15555
Start → 5K
25:31 | 8:13/mi
10K· 6.21 mi
51:12
Rank: #16113 (-558)
5K → 10K
25:41 | 8:16/mi
15K· 9.32 mi
1:16:34
Rank: #15939 (+174)
10K → 15K
25:22 | 8:10/mi
20K· 12.43 mi
1:42:28
Rank: #15886 (+53)
15K → 20K
25:54 | 8:20/mi
Half· 13.11 mi
1:47:42
Rank: #15686 (+200)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:06:57
Rank: #15149 (+537)
Half → 25K
19:15 | 7:56/mi
30K· 18.64 mi
2:32:49
Rank: #14792 (+357)
25K → 30K
25:52 | 8:20/mi
20M
2:43:18
Rank: #14318 (+474)
30K → 20M
10:29 | 7:43/mi
21M
2:51:21
Rank: #13913 (+405)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:56:57
Rank: #13690 (+223)
21M → 35K
5:36 | 7:29/mi
23M
3:06:27
Rank: #13249 (+441)
35K → 23M
9:30 | 7:35/mi
24M
3:13:58
Rank: #12991 (+258)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:20:19
Rank: #12731 (+260)
24M → 40K
6:21 | 7:26/mi
25.2M
3:22:51
Rank: #12561 (+170)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
3:29:29
Rank: #12094 (+467)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:47:42
Pace8:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:41:47
Pace7:46 /mi
📊Negative Split: 5.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0225:318:1325:31
8:13
-
10K
6.21 mi11:21:4351:128:1425:41
8:16
+0:03
15K
9.32 mi11:47:051:16:348:1325:22
8:10
-0:06
20K
12.43 mi12:12:591:42:288:1525:54
8:20
+0:10
Half
13.11 mi12:18:131:47:428:135:14
7:40
-0:40
25K
15.53 mi12:37:282:06:578:1019:15
7:56
+0:16
30K
18.64 mi13:03:202:32:498:1225:52
8:20
+0:24
20M
20.00 mi13:13:492:43:188:1010:29
7:43
-0:37
21M
21.00 mi13:21:522:51:218:108:03
8:03
+0:20
35K
21.75 mi13:27:282:56:578:085:36
7:29
-0:34
23M
23.00 mi13:36:583:06:278:069:30
7:35
+0:06
24M
24.00 mi13:44:293:13:588:057:31
7:31
-0:04
40K
24.85 mi13:50:503:20:198:046:21
7:26
-0:05
25.2M
25.20 mi13:53:223:22:518:032:32
7:21
-0:05
Finish
26.22 mi14:00:003:29:298:006:38
6:31
-0:50

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

6:31 /mi

Average Pace

8:00 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:31

7% of race

Time at Steady Pace

57:35

27% of race

Time at Slower Pace

2:16:23

65% of race

Average Pace: 7:59 /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 mi10:56:0225:318:1325:31
8:13
#15555
10K
6.21 mi11:21:4351:128:1425:41
8:16
#16113
15K
9.32 mi11:47:051:16:348:1325:22
8:10
#15939
20K
12.43 mi12:12:591:42:288:1525:54
8:20
#15886
Half
13.11 mi12:18:131:47:428:135:14
7:40
#15686
25K
15.53 mi12:37:282:06:578:1019:15
7:56
#15149
30K
18.64 mi13:03:202:32:498:1225:52
8:20
#14792
20M
20.00 mi13:13:492:43:188:1010:29
7:43
#14318
21M
21.00 mi13:21:522:51:218:108:03
8:03
#13913
35K
21.75 mi13:27:282:56:578:085:36
7:29
#13690
23M
23.00 mi13:36:583:06:278:069:30
7:35
#13249
24M
24.00 mi13:44:293:13:588:057:31
7:31
#12991
40K
24.85 mi13:50:503:20:198:046:21
7:26
#12731
25.2M
25.20 mi13:53:223:22:518:032:32
7:21
#12561
Finish
26.22 mi14:00:003:29:298:006:38
6:31
#12094
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi155555000500015606(Top 59%)5048(Top 44%)5048(Top 103%)
10K6.21 mi3.10 mi16113-5585342-3425342-34216695(Top 63%)5685(Top 50%)5685(Top 116%)
15K9.32 mi3.11 mi15939+1745241+1015241+10115606(Top 59%)5048(Top 44%)5048(Top 103%)
20K12.43 mi3.11 mi15886+535232+95232+915847(Top 60%)5249(Top 46%)5249(Top 107%)
Half13.11 mi0.68 mi15686+2005113+1195113+11911725(Top 44%)2769(Top 24%)2769(Top 57%)
25K15.53 mi2.42 mi15149+5374801+3124801+31212236(Top 46%)3214(Top 28%)3214(Top 66%)
30K18.64 mi3.11 mi14792+3574613+1884613+18813181(Top 50%)3857(Top 34%)3857(Top 79%)
20M20.00 mi1.36 mi14318+4744371+2424371+2428334(Top 31%)1538(Top 13%)1538(Top 31%)
21M21.00 mi1.00 mi13913+4054122+2494122+2497724(Top 29%)1409(Top 12%)1409(Top 29%)
35K21.75 mi0.75 mi13690+2234000+1224000+1228515(Top 32%)1714(Top 15%)1714(Top 35%)
23M23.00 mi1.25 mi13249+4413764+2363764+2367037(Top 26%)1198(Top 10%)1198(Top 25%)
24M24.00 mi1.00 mi12991+2583640+1243640+1247866(Top 30%)1641(Top 14%)1641(Top 34%)
40K24.85 mi0.85 mi12731+2603511+1293511+1296299(Top 24%)1095(Top 10%)1095(Top 22%)
25.2M25.20 mi0.35 mi12561+1703413+983413+983280(Top 12%)310(Top 3%)310(Top 6%)
Finish26.22 mi1.02 mi12094+4673176+2373176+2372572(Top 10%)212(Top 2%)212(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15606

Females

5048

F18-39

5048

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16695

Females

5685

F18-39

5685

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15606

Females

5048

F18-39

5048

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15847

Females

5249

F18-39

5249

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11725

Females

2769

F18-39

2769

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12236

Females

3214

F18-39

3214

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13181

Females

3857

F18-39

3857

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8334

Females

1538

F18-39

1538

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7724

Females

1409

F18-39

1409

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8515

Females

1714

F18-39

1714

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7037

Females

1198

F18-39

1198

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7866

Females

1641

F18-39

1641

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6299

Females

1095

F18-39

1095

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3280

Females

310

F18-39

310

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2572

Females

212

F18-39

212

Passing Analysis

Category:
Athletes Passed
4426
Passed By
965
Net Change
+3461
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15555
5K → 10K110668-558#15555#16113
10K → 15K290116+174#16113#15939
15K → 20K193140+53#15939#15886
20K → Half2000+200#15886#15686
Half → 25K5381+537#15686#15149
25K → 30K39639+357#15149#14792
30K → 20M4740+474#14792#14318
20M → 21M4050+405#14318#13913
21M → 35K2230+223#13913#13690
35K → 23M4421+441#13690#13249
23M → 24M2580+258#13249#12991
24M → 40K2600+260#12991#12731
40K → 25.2M1700+170#12731#12561
25.2M → Finish4670+467#12561#12094
TOTALS4426965+3461
📊

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