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BOSTON MARATHON 2023

Molly Polak

Bib: 11122•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Division (F18-39)
#0 / 4884
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:01
Rank: #8898
Start → 5K
7:25/mi
23:01 split
10K· 6.21 mi
45:24
Rank: #8496 (+402)
5K → 10K
7:12/mi
22:23 split
15K· 9.32 mi
1:08:01
Rank: #8453 (+43)
10K → 15K
7:17/mi
22:37 split
20K· 12.43 mi
1:31:40
Rank: #8829 (-376)
15K → 20K
7:37/mi
23:39 split
Half· 13.11 mi
1:36:57
Rank: #8991 (-162)
20K → Half
7:45/mi
5:17 split
25K· 15.53 mi
1:56:37
Rank: #9713 (-722)
Half → 25K
8:07/mi
19:40 split
30K· 18.64 mi
2:24:12
Rank: #11046 (-1333)
25K → 30K
8:53/mi
27:35 split
20M
2:36:02
Rank: #11378 (-332)
30K → 20M
8:42/mi
11:50 split
21M
2:45:39
Rank: #11762 (-384)
20M → 21M
9:37/mi
9:37 split
35K· 21.75 mi
2:51:54
Rank: #11883 (-121)
21M → 35K
8:21/mi
6:15 split
23M
3:02:56
Rank: #12079 (-196)
35K → 23M
8:49/mi
11:02 split
24M
3:11:11
Rank: #12135 (-56)
23M → 24M
8:15/mi
8:15 split
40K· 24.85 mi
3:18:20
Rank: #12124 (+11)
24M → 40K
8:22/mi
7:09 split
25.2M
3:21:36
Rank: #12171 (-47)
40K → 25.2M
9:28/mi
3:16 split
Finish· 26.22 mi
3:30:04
Rank: #12285 (-114)
25.2M → Finish
8:19/mi
8:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:57
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:53:07
Pace8:38 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4123:017:2523:01
7:25
-
10K
6.21 mi11:13:0445:247:1822:23
7:12
-0:13
15K
9.32 mi11:35:411:08:017:1822:37
7:17
+0:05
20K
12.43 mi11:59:201:31:407:2323:39
7:37
+0:20
Half
13.11 mi12:04:371:36:577:245:17
7:45
+0:08
25K
15.53 mi12:24:171:56:377:3019:40
8:07
+0:22
30K
18.64 mi12:51:522:24:127:4427:35
8:53
+0:46
20M
20.00 mi13:03:422:36:027:4811:50
8:42
-0:11
21M
21.00 mi13:13:192:45:397:539:37
9:37
+0:55
35K
21.75 mi13:19:342:51:547:546:15
8:21
-1:16
23M
23.00 mi13:30:363:02:567:5711:02
8:49
+0:28
24M
24.00 mi13:38:513:11:117:588:15
8:15
-0:34
40K
24.85 mi13:46:003:18:207:597:09
8:22
+0:07
25.2M
25.20 mi13:49:163:21:368:003:16
9:28
+1:06
Finish
26.22 mi13:57:443:30:048:018:28
8:19
-1:09

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

7:12 /mi

Average Pace

8:01 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:57

46% of race

Time at Steady Pace

49:47

24% of race

Time at Slower Pace

1:03:20

30% of race

Average Pace: 8:01 /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 mi10:50:4123:017:2523:01
7:25
#8898
10K
6.21 mi11:13:0445:247:1822:23
7:12
#8496
15K
9.32 mi11:35:411:08:017:1822:37
7:17
#8453
20K
12.43 mi11:59:201:31:407:2323:39
7:37
#8829
Half
13.11 mi12:04:371:36:577:245:17
7:45
#8991
25K
15.53 mi12:24:171:56:377:3019:40
8:07
#9713
30K
18.64 mi12:51:522:24:127:4427:35
8:53
#11046
20M
20.00 mi13:03:422:36:027:4811:50
8:42
#11378
21M
21.00 mi13:13:192:45:397:539:37
9:37
#11762
35K
21.75 mi13:19:342:51:547:546:15
8:21
#11883
23M
23.00 mi13:30:363:02:567:5711:02
8:49
#12079
24M
24.00 mi13:38:513:11:117:588:15
8:15
#12135
40K
24.85 mi13:46:003:18:207:597:09
8:22
#12124
25.2M
25.20 mi13:49:163:21:368:003:16
9:28
#12171
Finish
26.22 mi13:57:443:30:048:018:28
8:19
#12285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8898136113618426(Top 32%)1230(Top 11%)1230(Top 25%)
10K6.21 mi3.10 mi8496+4021219+1421219+1428143(Top 31%)1099(Top 10%)1099(Top 23%)
15K9.32 mi3.11 mi8453+431201+181201+188426(Top 32%)1230(Top 11%)1230(Top 25%)
20K12.43 mi3.11 mi8829-3761367-1661367-16610194(Top 38%)2004(Top 18%)2004(Top 41%)
Half13.11 mi0.68 mi8991-1621442-751442-7512303(Top 46%)3095(Top 27%)3095(Top 63%)
25K15.53 mi2.42 mi9713-7221732-2901732-29013581(Top 51%)3967(Top 35%)3967(Top 81%)
30K18.64 mi3.11 mi11046-13332430-6982430-69816536(Top 62%)5807(Top 51%)5807(Top 119%)
20M20.00 mi1.36 mi11378-3322644-2142644-21414900(Top 56%)4927(Top 43%)4927(Top 101%)
21M21.00 mi1.00 mi11762-3842880-2362880-23616501(Top 62%)5905(Top 52%)5905(Top 121%)
35K21.75 mi0.75 mi11883-1212959-792959-7914436(Top 54%)4788(Top 42%)4788(Top 98%)
23M23.00 mi1.25 mi12079-1963102-1433102-14315057(Top 57%)5203(Top 46%)5203(Top 107%)
24M24.00 mi1.00 mi12135-563152-503152-5012951(Top 49%)4103(Top 36%)4103(Top 84%)
40K24.85 mi0.85 mi12124+113172-203172-2012486(Top 47%)3927(Top 34%)3927(Top 80%)
25.2M25.20 mi0.35 mi12171-473199-273199-2715062(Top 57%)5316(Top 47%)5316(Top 109%)
Finish26.22 mi1.02 mi12285-1143282-833282-8314164(Top 53%)4825(Top 42%)4825(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8426

Females

1230

F18-39

1230

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8143

Females

1099

F18-39

1099

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8426

Females

1230

F18-39

1230

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10194

Females

2004

F18-39

2004

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12303

Females

3095

F18-39

3095

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13581

Females

3967

F18-39

3967

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16536

Females

5807

F18-39

5807

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14900

Females

4927

F18-39

4927

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16501

Females

5905

F18-39

5905

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14436

Females

4788

F18-39

4788

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15057

Females

5203

F18-39

5203

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12951

Females

4103

F18-39

4103

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12486

Females

3927

F18-39

3927

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15062

Females

5316

F18-39

5316

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14164

Females

4825

F18-39

4825

Passing Analysis

Category:
Athletes Passed
1028
Passed By
4414
Net Change
-3387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8898
5K → 10K49896+402#8898#8496
10K → 15K158115+43#8496#8453
15K → 20K49425-376#8453#8829
20K → Half1163-162#8829#8991
Half → 25K20742-722#8991#9713
25K → 30K121344-1333#9713#11046
30K → 20M31363-332#11046#11378
20M → 21M18402-384#11378#11762
21M → 35K18139-121#11762#11883
35K → 23M45241-196#11883#12079
23M → 24M48104-56#12079#12135
24M → 40K7362+11#12135#12124
40K → 25.2M1461-47#12124#12171
25.2M → Finish43157-114#12171#12285
TOTALS10284414-3387
📊

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