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BOSTON MARATHON 2023

Courtney Loughlin

Bib: 30367•F

MA

0:00
0:00
/ mi
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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
33:46
Rank: #25489
Start → 5K
33:46 | 10:52/mi
10K· 6.21 mi
1:07:53
Rank: #25486 (+3)
5K → 10K
34:07 | 10:59/mi
15K· 9.32 mi
1:41:57
Rank: #25366 (+120)
10K → 15K
34:04 | 10:58/mi
20K· 12.43 mi
2:17:53
Rank: #25355 (+11)
15K → 20K
35:56 | 11:34/mi
Half· 13.11 mi
2:25:54
Rank: #25386 (-31)
20K → Half
8:01 | 11:45/mi
25K· 15.53 mi
2:56:20
Rank: #25446 (-60)
Half → 25K
30:26 | 12:33/mi
30K· 18.64 mi
3:34:30
Rank: #25323 (+123)
25K → 30K
38:10 | 12:17/mi
20M
3:51:23
Rank: #25298 (+25)
30K → 20M
16:53 | 12:25/mi
21M
4:04:21
Rank: #25239 (+59)
20M → 21M
12:58 | 12:58/mi
35K· 21.75 mi
4:13:13
Rank: #25228 (+11)
21M → 35K
8:52 | 11:51/mi
23M
4:28:03
Rank: #25167 (+61)
35K → 23M
14:50 | 11:51/mi
24M
4:40:04
Rank: #25154 (+13)
23M → 24M
12:01 | 12:01/mi
40K· 24.85 mi
4:50:36
Rank: #25132 (+22)
24M → 40K
10:32 | 12:19/mi
25.2M
4:55:15
Rank: #25127 (+5)
40K → 25.2M
4:39 | 13:29/mi
Finish· 26.22 mi
5:07:22
Rank: #25136 (-9)
25.2M → Finish
12:07 | 11:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:54
Pace11:08 /mi
2nd Half
Distance13.11 mi
Time2:41:28
Pace12:19 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3533:4610:5233:46
10:52
-
10K
6.21 mi12:26:421:07:5310:5534:07
10:59
+0:07
15K
9.32 mi13:00:461:41:5710:5634:04
10:58
-0:01
20K
12.43 mi13:36:422:17:5311:0635:56
11:34
+0:36
Half
13.11 mi13:44:432:25:5411:088:01
11:45
+0:11
25K
15.53 mi14:15:092:56:2011:2130:26
12:33
+0:48
30K
18.64 mi14:53:193:34:3011:3038:10
12:17
-0:16
20M
20.00 mi15:10:123:51:2311:3416:53
12:25
+0:08
21M
21.00 mi15:23:104:04:2111:3812:58
12:58
+0:33
35K
21.75 mi15:32:024:13:1311:398:52
11:51
-1:07
23M
23.00 mi15:46:524:28:0311:3914:50
11:51
0:00
24M
24.00 mi15:58:534:40:0411:4012:01
12:01
+0:10
40K
24.85 mi16:09:254:50:3611:4210:32
12:19
+0:18
25.2M
25.20 mi16:14:044:55:1511:434:39
13:29
+1:10
Finish
26.22 mi16:26:115:07:2211:4412:07
11:53
-1:36

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

10:52 /mi

Average Pace

11:44 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:57

33% of race

Time at Steady Pace

1:31:47

30% of race

Time at Slower Pace

1:53:38

37% of race

Average Pace: 11:43 /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 mi11:52:3533:4610:5233:46
10:52
#25489
10K
6.21 mi12:26:421:07:5310:5534:07
10:59
#25486
15K
9.32 mi13:00:461:41:5710:5634:04
10:58
#25366
20K
12.43 mi13:36:422:17:5311:0635:56
11:34
#25355
Half
13.11 mi13:44:432:25:5411:088:01
11:45
#25386
25K
15.53 mi14:15:092:56:2011:2130:26
12:33
#25446
30K
18.64 mi14:53:193:34:3011:3038:10
12:17
#25323
20M
20.00 mi15:10:123:51:2311:3416:53
12:25
#25298
21M
21.00 mi15:23:104:04:2111:3812:58
12:58
#25239
35K
21.75 mi15:32:024:13:1311:398:52
11:51
#25228
23M
23.00 mi15:46:524:28:0311:3914:50
11:51
#25167
24M
24.00 mi15:58:534:40:0411:4012:01
12:01
#25154
40K
24.85 mi16:09:254:50:3611:4210:32
12:19
#25132
25.2M
25.20 mi16:14:044:55:1511:434:39
13:29
#25127
Finish
26.22 mi16:26:115:07:2211:4412:07
11:53
#25136
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25489107171071725138(Top 94%)10537(Top 92%)10537(Top 216%)
10K6.21 mi3.10 mi25486+310727-1010727-1025449(Top 96%)10700(Top 94%)10700(Top 219%)
15K9.32 mi3.11 mi25366+12010653+7410653+7425138(Top 94%)10537(Top 92%)10537(Top 216%)
20K12.43 mi3.11 mi25355+1110658-510658-525321(Top 95%)10670(Top 93%)10670(Top 218%)
Half13.11 mi0.68 mi25386-3110681-2310681-2325689(Top 96%)10895(Top 95%)10895(Top 223%)
25K15.53 mi2.42 mi25446-6010728-4710728-4725586(Top 96%)10839(Top 95%)10839(Top 222%)
30K18.64 mi3.11 mi25323+12310677+5110677+5124794(Top 93%)10451(Top 91%)10451(Top 214%)
20M20.00 mi1.36 mi25298+2510663+1410663+1424662(Top 93%)10422(Top 91%)10422(Top 213%)
21M21.00 mi1.00 mi25239+5910633+3010633+3024048(Top 90%)10120(Top 89%)10120(Top 207%)
35K21.75 mi0.75 mi25228+1110636-310636-324540(Top 92%)10422(Top 91%)10422(Top 213%)
23M23.00 mi1.25 mi25167+6110615+2110615+2123796(Top 89%)10002(Top 88%)10002(Top 205%)
24M24.00 mi1.00 mi25154+1310616-110616-124561(Top 92%)10467(Top 92%)10467(Top 214%)
40K24.85 mi0.85 mi25132+2210605+1110605+1124253(Top 91%)10310(Top 90%)10310(Top 211%)
25.2M25.20 mi0.35 mi25127+510604+110604+124520(Top 92%)10450(Top 91%)10450(Top 214%)
Finish26.22 mi1.02 mi25136-910611-710611-725141(Top 94%)10736(Top 94%)10736(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25138

Females

10537

F18-39

10537

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25449

Females

10700

F18-39

10700

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25138

Females

10537

F18-39

10537

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25321

Females

10670

F18-39

10670

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

25689

Females

10895

F18-39

10895

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

25586

Females

10839

F18-39

10839

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24794

Females

10451

F18-39

10451

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

24662

Females

10422

F18-39

10422

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

24048

Females

10120

F18-39

10120

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24540

Females

10422

F18-39

10422

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23796

Females

10002

F18-39

10002

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24561

Females

10467

F18-39

10467

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24253

Females

10310

F18-39

10310

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24520

Females

10450

F18-39

10450

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

25141

Females

10736

F18-39

10736

Passing Analysis

Category:
Athletes Passed
907
Passed By
554
Net Change
+353
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25489
5K → 10K158155+3#25489#25486
10K → 15K17050+120#25486#25366
15K → 20K9786+11#25366#25355
20K → Half839-31#25355#25386
Half → 25K3797-60#25386#25446
25K → 30K15229+123#25446#25323
30K → 20M4722+25#25323#25298
20M → 21M645+59#25298#25239
21M → 35K2615+11#25239#25228
35K → 23M709+61#25228#25167
23M → 24M2411+13#25167#25154
24M → 40K275+22#25154#25132
40K → 25.2M1510+5#25132#25127
25.2M → Finish1221-9#25127#25136
TOTALS907554+353
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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