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BOSTON MARATHON 2023

Mollie Mclaughlin

Bib: 30943•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:38/mi
33:02
↑ 97↓ 3451.5%
10K· 6.21 mi
10:56/mi
1:06:59
↑ 79↓ 1380.4%
15K· 9.32 mi
11:21/mi
1:42:16
↑ 67↓ 78
20K· 12.43 mi
11:38/mi
2:18:25
↑ 106↓ 860.1%
Half· 13.11 mi
11:26/mi
2:26:13
↑ 19↓ 370.5%
25K· 15.53 mi
12:00/mi
2:55:19
↑ 66↓ 880.2%
30K· 18.64 mi
12:53/mi
3:35:22
↑ 181↓ 1480.2%
20M
12:22/mi
3:52:11
↑ 64↓ 500.2%
21M
12:29/mi
4:04:40
↑ 106↓ 241.6%
35K· 21.75 mi
12:12/mi
4:13:48
↑ 17↓ 861.7%
23M
15:24/mi
4:33:05
↑ 23↓ 630.6%
24M
17:20/mi
4:50:25
↓ 821.3%
40K· 24.85 mi
18:02/mi
5:05:50
↓ 200.3%
25.2M
16:29/mi
5:11:31
↑ 13↓ 160.2%
Finish· 26.22 mi
16:46/mi
5:28:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:13
Pace11:09 /mi
2nd Half
Distance13.11 mi
Time3:02:23
Pace13:55 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1633:0210:3833:02
10:38
-
10K
6.21 mi12:30:131:06:5910:4733:57
10:56
+0:18
15K
9.32 mi13:05:301:42:1610:5835:17
11:21
+0:25
20K
12.43 mi13:41:392:18:2511:0836:09
11:38
+0:17
Half
13.11 mi13:49:272:26:1311:097:48
11:26
-0:12
25K
15.53 mi14:18:332:55:1911:1729:06
12:00
+0:34
30K
18.64 mi14:58:363:35:2211:3340:03
12:53
+0:53
20M
20.00 mi15:15:253:52:1111:3716:49
12:22
-0:31
21M
21.00 mi15:27:544:04:4011:3912:29
12:29
+0:07
35K
21.75 mi15:37:024:13:4811:409:08
12:12
-0:17
23M
23.00 mi15:56:194:33:0511:5219:17
15:24
+3:12
24M
24.00 mi16:13:394:50:2512:0617:20
17:20
+1:56
40K
24.85 mi16:29:045:05:5012:1815:25
18:02
+0:42
25.2M
25.20 mi16:34:455:11:3112:225:41
16:29
-1:33
Finish
26.22 mi16:51:505:28:3612:3317:05
16:46
+0:17

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

10:38 /mi

Average Pace

12:33 /mi

Slowest Pace

18:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:59

20% of race

Time at Steady Pace

3:06:49

57% of race

Time at Slower Pace

1:14:48

23% of race

Average Pace: 12:32 /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 mi11:56:1633:0210:3833:02
10:38
#25037
10K
6.21 mi12:30:131:06:5910:4733:57
10:56
#25228
15K
9.32 mi13:05:301:42:1610:5835:17
11:21
#25406
20K
12.43 mi13:41:392:18:2511:0836:09
11:38
#25411
Half
13.11 mi13:49:272:26:1311:097:48
11:26
#25412
25K
15.53 mi14:18:332:55:1911:1729:06
12:00
#25371
30K
18.64 mi14:58:363:35:2211:3340:03
12:53
#25380
20M
20.00 mi15:15:253:52:1111:3716:49
12:22
#25340
21M
21.00 mi15:27:544:04:4011:3912:29
12:29
#25258
35K
21.75 mi15:37:024:13:4811:409:08
12:12
#25259
23M
23.00 mi15:56:194:33:0511:5219:17
15:24
#25400
24M
24.00 mi16:13:394:50:2512:0617:20
17:20
#25573
40K
24.85 mi16:29:045:05:5012:1815:25
18:02
#25696
25.2M
25.20 mi16:34:455:11:3112:225:41
16:29
#25721
Finish
26.22 mi16:51:505:28:3612:3317:05
16:46
#25846
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25037104541045425562(Top 96%)10787(Top 94%)10787(Top 221%)
10K6.21 mi3.10 mi25228-19110554-10010554-10025387(Top 95%)10658(Top 93%)10658(Top 218%)
15K9.32 mi3.11 mi25406-17810678-12410678-12425562(Top 96%)10787(Top 94%)10787(Top 221%)
20K12.43 mi3.11 mi25411-510696-1810696-1825404(Top 95%)10720(Top 94%)10720(Top 219%)
Half13.11 mi0.68 mi25412-110693+310693+325438(Top 96%)10752(Top 94%)10752(Top 220%)
25K15.53 mi2.42 mi25371+4110683+1010683+1025165(Top 95%)10612(Top 93%)10612(Top 217%)
30K18.64 mi3.11 mi25380-910705-2210705-2225325(Top 95%)10752(Top 94%)10752(Top 220%)
20M20.00 mi1.36 mi25340+4010690+1510690+1524615(Top 92%)10401(Top 91%)10401(Top 213%)
21M21.00 mi1.00 mi25258+8210645+4510645+4523446(Top 88%)9783(Top 86%)9783(Top 200%)
35K21.75 mi0.75 mi25259-110656-1110656-1124904(Top 94%)10612(Top 93%)10612(Top 217%)
23M23.00 mi1.25 mi25400-14110737-8110737-8126385(Top 99%)11321(Top 99%)11321(Top 232%)
24M24.00 mi1.00 mi25573-17310837-10010837-10026588(Top 100%)11409(Top 100%)11409(Top 234%)
40K24.85 mi0.85 mi25696-12310903-6610903-6626570(Top 100%)11404(Top 100%)11404(Top 233%)
25.2M25.20 mi0.35 mi25721-2510919-1610919-1626259(Top 99%)11280(Top 99%)11280(Top 231%)
Finish26.22 mi1.02 mi25846-12510990-7110990-7126580(Top 100%)11410(Top 100%)11410(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25562

Females

10787

F18-39

10787

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25387

Females

10658

F18-39

10658

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25562

Females

10787

F18-39

10787

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25404

Females

10720

F18-39

10720

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25438

Females

10752

F18-39

10752

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25165

Females

10612

F18-39

10612

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25325

Females

10752

F18-39

10752

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24615

Females

10401

F18-39

10401

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23446

Females

9783

F18-39

9783

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24904

Females

10612

F18-39

10612

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26385

Females

11321

F18-39

11321

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

26588

Females

11409

F18-39

11409

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26570

Females

11404

F18-39

11404

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26259

Females

11280

F18-39

11280

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

26580

Females

11410

F18-39

11410

Passing Analysis

Category:
Athletes Passed
583
Passed By
1392
Net Change
-809
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25037
5K → 10K112303-191#25037#25228
10K → 15K40218-178#25228#25406
15K → 20K8792-5#25406#25411
20K → Half1516-1#25411#25412
Half → 25K8544+41#25412#25371
25K → 30K7382-9#25371#25380
30K → 20M5818+40#25380#25340
20M → 21M853+82#25340#25258
21M → 35K2223-1#25258#25259
35K → 23M4145-141#25259#25400
23M → 24M0173-173#25400#25573
24M → 40K1124-123#25573#25696
40K → 25.2M126-25#25696#25721
25.2M → Finish0125-125#25721#25846
TOTALS5831392-809
📊

Passing Visuals

Category:
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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