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BOSTON MARATHON 2023

Molly Tansey

Bib: 25919•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
33:37
Rank: #25400
Start → 5K
33:37 | 10:49/mi
10K· 6.21 mi
1:08:16
Rank: #25575 (-175)
5K → 10K
34:39 | 11:09/mi
15K· 9.32 mi
1:42:30
Rank: #25440 (+135)
10K → 15K
34:14 | 11:01/mi
20K· 12.43 mi
2:17:40
Rank: #25332 (+108)
15K → 20K
35:10 | 11:19/mi
Half· 13.11 mi
2:25:05
Rank: #25301 (+31)
20K → Half
7:25 | 10:52/mi
25K· 15.53 mi
2:51:40
Rank: #25083 (+218)
Half → 25K
26:35 | 10:58/mi
30K· 18.64 mi
3:25:54
Rank: #24750 (+333)
25K → 30K
34:14 | 11:01/mi
20M
3:41:07
Rank: #24616 (+134)
30K → 20M
15:13 | 11:12/mi
21M
3:52:39
Rank: #24486 (+130)
20M → 21M
11:32 | 11:32/mi
35K· 21.75 mi
4:00:38
Rank: #24429 (+57)
21M → 35K
7:59 | 10:40/mi
23M
4:13:53
Rank: #24289 (+140)
35K → 23M
13:15 | 10:35/mi
24M
4:24:32
Rank: #24227 (+62)
23M → 24M
10:39 | 10:39/mi
40K· 24.85 mi
4:33:57
Rank: #24143 (+84)
24M → 40K
9:25 | 11:01/mi
25.2M
4:38:05
Rank: #24124 (+19)
40K → 25.2M
4:08 | 11:59/mi
Finish· 26.22 mi
4:48:25
Rank: #24077 (+47)
25.2M → Finish
10:20 | 10:08/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:25:05
Pace11:04 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:23:20
Pace10:56 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3633:3710:4933:37
10:49
-
10K
6.21 mi12:24:151:08:1610:5934:39
11:09
+0:20
15K
9.32 mi12:58:291:42:3011:0034:14
11:01
-0:08
20K
12.43 mi13:33:392:17:4011:0535:10
11:19
+0:18
Half
13.11 mi13:41:042:25:0511:047:25
10:52
-0:27
25K
15.53 mi14:07:392:51:4011:0326:35
10:58
+0:06
30K
18.64 mi14:41:533:25:5411:0334:14
11:01
+0:03
20M
20.00 mi14:57:063:41:0711:0315:13
11:12
+0:11
21M
21.00 mi15:08:383:52:3911:0511:32
11:32
+0:20
35K
21.75 mi15:16:374:00:3811:047:59
10:40
-0:52
23M
23.00 mi15:29:524:13:5311:0213:15
10:35
-0:05
24M
24.00 mi15:40:314:24:3211:0110:39
10:39
+0:04
40K
24.85 mi15:49:564:33:5711:019:25
11:01
+0:22
25.2M
25.20 mi15:54:044:38:0511:024:08
11:59
+0:58
Finish
26.22 mi16:04:244:48:2511:0010:20
10:08
-1:51

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

10:08 /mi

Average Pace

11:00 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:43

65% of race

Time at Steady Pace

1:36:34

33% of race

Time at Slower Pace

4:08

1% of race

Average Pace: 11:00 /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 mi11:49:3633:3710:4933:37
10:49
#25400
10K
6.21 mi12:24:151:08:1610:5934:39
11:09
#25575
15K
9.32 mi12:58:291:42:3011:0034:14
11:01
#25440
20K
12.43 mi13:33:392:17:4011:0535:10
11:19
#25332
Half
13.11 mi13:41:042:25:0511:047:25
10:52
#25301
25K
15.53 mi14:07:392:51:4011:0326:35
10:58
#25083
30K
18.64 mi14:41:533:25:5411:0334:14
11:01
#24750
20M
20.00 mi14:57:063:41:0711:0315:13
11:12
#24616
21M
21.00 mi15:08:383:52:3911:0511:32
11:32
#24486
35K
21.75 mi15:16:374:00:3811:047:59
10:40
#24429
23M
23.00 mi15:29:524:13:5311:0213:15
10:35
#24289
24M
24.00 mi15:40:314:24:3211:0110:39
10:39
#24227
40K
24.85 mi15:49:564:33:5711:019:25
11:01
#24143
25.2M
25.20 mi15:54:044:38:0511:024:08
11:59
#24124
Finish
26.22 mi16:04:244:48:2511:0010:20
10:08
#24077
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25400106711067125197(Top 95%)10572(Top 93%)10572(Top 216%)
10K6.21 mi3.10 mi25575-17510784-11310784-11325629(Top 96%)10812(Top 95%)10812(Top 221%)
15K9.32 mi3.11 mi25440+13510699+8510699+8525197(Top 95%)10572(Top 93%)10572(Top 216%)
20K12.43 mi3.11 mi25332+10810644+5510644+5525026(Top 94%)10493(Top 92%)10493(Top 215%)
Half13.11 mi0.68 mi25301+3110631+1310631+1324767(Top 93%)10355(Top 91%)10355(Top 212%)
25K15.53 mi2.42 mi25083+21810511+12010511+12023916(Top 90%)9911(Top 87%)9911(Top 203%)
30K18.64 mi3.11 mi24750+33310344+16710344+16723122(Top 87%)9530(Top 83%)9530(Top 195%)
20M20.00 mi1.36 mi24616+13410279+6510279+6523019(Top 86%)9525(Top 83%)9525(Top 195%)
21M21.00 mi1.00 mi24486+13010210+6910210+6921941(Top 82%)8965(Top 78%)8965(Top 184%)
35K21.75 mi0.75 mi24429+5710183+2710183+2722722(Top 85%)9440(Top 83%)9440(Top 193%)
23M23.00 mi1.25 mi24289+14010123+6010123+6021535(Top 81%)8813(Top 77%)8813(Top 180%)
24M24.00 mi1.00 mi24227+6210095+2810095+2822358(Top 84%)9295(Top 81%)9295(Top 190%)
40K24.85 mi0.85 mi24143+8410058+3710058+3722410(Top 84%)9354(Top 82%)9354(Top 192%)
25.2M25.20 mi0.35 mi24124+1910052+610052+622512(Top 85%)9412(Top 82%)9412(Top 193%)
Finish26.22 mi1.02 mi24077+4710026+2610026+2622157(Top 83%)9207(Top 81%)9207(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25197

Females

10572

F18-39

10572

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25629

Females

10812

F18-39

10812

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25197

Females

10572

F18-39

10572

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

25026

Females

10493

F18-39

10493

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

24767

Females

10355

F18-39

10355

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

23916

Females

9911

F18-39

9911

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23122

Females

9530

F18-39

9530

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

23019

Females

9525

F18-39

9525

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21941

Females

8965

F18-39

8965

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22722

Females

9440

F18-39

9440

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21535

Females

8813

F18-39

8813

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22358

Females

9295

F18-39

9295

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22410

Females

9354

F18-39

9354

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22512

Females

9412

F18-39

9412

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22157

Females

9207

F18-39

9207

Passing Analysis

Category:
Athletes Passed
1701
Passed By
378
Net Change
+1323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25400
5K → 10K75250-175#25400#25575
10K → 15K18045+135#25575#25440
15K → 20K14739+108#25440#25332
20K → Half365+31#25332#25301
Half → 25K2224+218#25301#25083
25K → 30K3352+333#25083#24750
30K → 20M1406+134#24750#24616
20M → 21M1311+130#24616#24486
21M → 35K636+57#24486#24429
35K → 23M1400+140#24429#24289
23M → 24M653+62#24289#24227
24M → 40K851+84#24227#24143
40K → 25.2M234+19#24143#24124
25.2M → Finish5912+47#24124#24077
TOTALS1701378+1323
📊

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