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BOSTON MARATHON 2023

Molly Leidig

Bib: 17641•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
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
23:38
Rank: #10619
Start → 5K
23:38 | 7:36/mi
10K· 6.21 mi
47:08
Rank: #10798 (-179)
5K → 10K
23:30 | 7:34/mi
15K· 9.32 mi
1:11:23
Rank: #11445 (-647)
10K → 15K
24:15 | 7:48/mi
20K· 12.43 mi
1:36:50
Rank: #12334 (-889)
15K → 20K
25:27 | 8:11/mi
Half· 13.11 mi
1:42:57
Rank: #12904 (-570)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:03:02
Rank: #13232 (-328)
Half → 25K
20:05 | 8:17/mi
30K· 18.64 mi
2:30:25
Rank: #13850 (-618)
25K → 30K
27:23 | 8:49/mi
20M
2:42:47
Rank: #14153 (-303)
30K → 20M
12:22 | 9:06/mi
21M
2:52:56
Rank: #14454 (-301)
20M → 21M
10:09 | 10:09/mi
35K· 21.75 mi
2:59:04
Rank: #14407 (+47)
21M → 35K
6:08 | 8:12/mi
23M
3:10:39
Rank: #14589 (-182)
35K → 23M
11:35 | 9:15/mi
24M
3:19:09
Rank: #14562 (+27)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:26:53
Rank: #14626 (-64)
24M → 40K
7:44 | 9:03/mi
25.2M
3:30:19
Rank: #14656 (-30)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:39:32
Rank: #14822 (-166)
25.2M → Finish
9:13 | 9:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:57
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:56:35
Pace8:54 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1423:387:3623:38
7:36
-
10K
6.21 mi11:37:4447:087:3523:30
7:34
-0:02
15K
9.32 mi12:01:591:11:237:4024:15
7:48
+0:14
20K
12.43 mi12:27:261:36:507:4825:27
8:11
+0:23
Half
13.11 mi12:33:331:42:577:516:07
8:58
+0:47
25K
15.53 mi12:53:382:03:027:5520:05
8:17
-0:41
30K
18.64 mi13:21:012:30:258:0427:23
8:49
+0:32
20M
20.00 mi13:33:232:42:478:0812:22
9:06
+0:17
21M
21.00 mi13:43:322:52:568:1410:09
10:09
+1:03
35K
21.75 mi13:49:402:59:048:146:08
8:12
-1:57
23M
23.00 mi14:01:153:10:398:1711:35
9:15
+1:03
24M
24.00 mi14:09:453:19:098:188:30
8:30
-0:45
40K
24.85 mi14:17:293:26:538:197:44
9:03
+0:33
25.2M
25.20 mi14:20:553:30:198:213:26
9:57
+0:54
Finish
26.22 mi14:30:083:39:328:239:13
9:03
-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

7:34 /mi

Average Pace

8:23 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:03

56% of race

Time at Steady Pace

1:11:19

32% of race

Time at Slower Pace

25:10

11% of race

Average Pace: 8:22 /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 mi11:14:1423:387:3623:38
7:36
#10619
10K
6.21 mi11:37:4447:087:3523:30
7:34
#10798
15K
9.32 mi12:01:591:11:237:4024:15
7:48
#11445
20K
12.43 mi12:27:261:36:507:4825:27
8:11
#12334
Half
13.11 mi12:33:331:42:577:516:07
8:58
#12904
25K
15.53 mi12:53:382:03:027:5520:05
8:17
#13232
30K
18.64 mi13:21:012:30:258:0427:23
8:49
#13850
20M
20.00 mi13:33:232:42:478:0812:22
9:06
#14153
21M
21.00 mi13:43:322:52:568:1410:09
10:09
#14454
35K
21.75 mi13:49:402:59:048:146:08
8:12
#14407
23M
23.00 mi14:01:153:10:398:1711:35
9:15
#14589
24M
24.00 mi14:09:453:19:098:188:30
8:30
#14562
40K
24.85 mi14:17:293:26:538:197:44
9:03
#14626
25.2M
25.20 mi14:20:553:30:198:213:26
9:57
#14656
Finish
26.22 mi14:30:083:39:328:239:13
9:03
#14822
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106192152215212792(Top 48%)3348(Top 29%)3348(Top 69%)
10K6.21 mi3.10 mi10798-1792229-772229-7711020(Top 41%)2324(Top 20%)2324(Top 48%)
15K9.32 mi3.11 mi11445-6472573-3442573-34412792(Top 48%)3348(Top 29%)3348(Top 69%)
20K12.43 mi3.11 mi12334-8893110-5373110-53714924(Top 56%)4667(Top 41%)4667(Top 96%)
Half13.11 mi0.68 mi12904-5703428-3183428-31820300(Top 76%)7835(Top 69%)7835(Top 160%)
25K15.53 mi2.42 mi13232-3283639-2113639-21114856(Top 56%)4738(Top 41%)4738(Top 97%)
30K18.64 mi3.11 mi13850-6184045-4064045-40616164(Top 61%)5588(Top 49%)5588(Top 114%)
20M20.00 mi1.36 mi14153-3034262-2174262-21717059(Top 64%)6189(Top 54%)6189(Top 127%)
21M21.00 mi1.00 mi14454-3014469-2074469-20718546(Top 70%)7074(Top 62%)7074(Top 145%)
35K21.75 mi0.75 mi14407+474449+204449+2013485(Top 51%)4284(Top 38%)4284(Top 88%)
23M23.00 mi1.25 mi14589-1824578-1294578-12917310(Top 65%)6453(Top 56%)6453(Top 132%)
24M24.00 mi1.00 mi14562+274589-114589-1114491(Top 54%)4948(Top 43%)4948(Top 101%)
40K24.85 mi0.85 mi14626-644658-694658-6916396(Top 62%)6069(Top 53%)6069(Top 124%)
25.2M25.20 mi0.35 mi14656-304686-284686-2817196(Top 65%)6522(Top 57%)6522(Top 134%)
Finish26.22 mi1.02 mi14822-1664803-1174803-11718188(Top 68%)6995(Top 61%)6995(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12792

Females

3348

F18-39

3348

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11020

Females

2324

F18-39

2324

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12792

Females

3348

F18-39

3348

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14924

Females

4667

F18-39

4667

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20300

Females

7835

F18-39

7835

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14856

Females

4738

F18-39

4738

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16164

Females

5588

F18-39

5588

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

17059

Females

6189

F18-39

6189

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18546

Females

7074

F18-39

7074

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13485

Females

4284

F18-39

4284

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17310

Females

6453

F18-39

6453

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14491

Females

4948

F18-39

4948

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16396

Females

6069

F18-39

6069

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17196

Females

6522

F18-39

6522

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18188

Females

6995

F18-39

6995

Passing Analysis

Category:
Athletes Passed
720
Passed By
4923
Net Change
-4203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10619
5K → 10K214393-179#10619#10798
10K → 15K45692-647#10798#11445
15K → 20K22911-889#11445#12334
20K → Half1571-570#12334#12904
Half → 25K63391-328#12904#13232
25K → 30K55673-618#13232#13850
30K → 20M34337-303#13850#14153
20M → 21M20321-301#14153#14454
21M → 35K6821+47#14454#14407
35K → 23M36218-182#14407#14589
23M → 24M8558+27#14589#14562
24M → 40K42106-64#14562#14626
40K → 25.2M1545-30#14626#14656
25.2M → Finish20186-166#14656#14822
TOTALS7204923-4203
📊

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