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BOSTON MARATHON 2023

Ann Cook

Bib: 9832•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:03
Rank: #6876
Start → 5K
22:03 | 7:06/mi
10K· 6.21 mi
43:12
Rank: #6225 (+651)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:04:28
Rank: #5978 (+247)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:26:27
Rank: #6084 (-106)
15K → 20K
21:59 | 7:05/mi
Half· 13.11 mi
1:31:12
Rank: #6100 (-16)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:48:38
Rank: #6184 (-84)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:12:15
Rank: #6372 (-188)
25K → 30K
23:37 | 7:36/mi
20M
2:22:45
Rank: #6456 (-84)
30K → 20M
10:30 | 7:44/mi
21M
2:30:49
Rank: #6470 (-14)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:36:12
Rank: #6441 (+29)
21M → 35K
5:23 | 7:12/mi
23M
2:45:46
Rank: #6455 (-14)
35K → 23M
9:34 | 7:38/mi
24M
2:52:59
Rank: #6376 (+79)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
2:59:18
Rank: #6319 (+57)
24M → 40K
6:19 | 7:23/mi
25.2M
3:02:08
Rank: #6328 (-9)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:09:53
Rank: #6402 (-74)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:12
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:38:41
Pace7:32 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3622:037:0622:03
7:06
-
10K
6.21 mi11:08:4543:126:5721:09
6:48
-0:18
15K
9.32 mi11:30:011:04:286:5521:16
6:51
+0:03
20K
12.43 mi11:52:001:26:276:5721:59
7:05
+0:14
Half
13.11 mi11:56:451:31:126:574:45
6:58
-0:07
25K
15.53 mi12:14:111:48:387:0017:26
7:11
+0:13
30K
18.64 mi12:37:482:12:157:0623:37
7:36
+0:25
20M
20.00 mi12:48:182:22:457:0810:30
7:44
+0:08
21M
21.00 mi12:56:222:30:497:118:04
8:04
+0:20
35K
21.75 mi13:01:452:36:127:115:23
7:12
-0:52
23M
23.00 mi13:11:192:45:467:129:34
7:38
+0:26
24M
24.00 mi13:18:322:52:597:127:13
7:13
-0:25
40K
24.85 mi13:24:512:59:187:136:19
7:23
+0:10
25.2M
25.20 mi13:27:413:02:087:142:50
8:13
+0:50
Finish
26.22 mi13:35:263:09:537:157:45
7:36
-0:37

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

6:48 /mi

Average Pace

7:15 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:10

25% of race

Time at Steady Pace

1:20:23

42% of race

Time at Slower Pace

1:02:20

33% of race

Average Pace: 7:15 /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 mi10:47:3622:037:0622:03
7:06
#6876
10K
6.21 mi11:08:4543:126:5721:09
6:48
#6225
15K
9.32 mi11:30:011:04:286:5521:16
6:51
#5978
20K
12.43 mi11:52:001:26:276:5721:59
7:05
#6084
Half
13.11 mi11:56:451:31:126:574:45
6:58
#6100
25K
15.53 mi12:14:111:48:387:0017:26
7:11
#6184
30K
18.64 mi12:37:482:12:157:0623:37
7:36
#6372
20M
20.00 mi12:48:182:22:457:0810:30
7:44
#6456
21M
21.00 mi12:56:222:30:497:118:04
8:04
#6470
35K
21.75 mi13:01:452:36:127:115:23
7:12
#6441
23M
23.00 mi13:11:192:45:467:129:34
7:38
#6455
24M
24.00 mi13:18:322:52:597:127:13
7:13
#6376
40K
24.85 mi13:24:512:59:187:136:19
7:23
#6319
25.2M
25.20 mi13:27:413:02:087:142:50
8:13
#6328
Finish
26.22 mi13:35:263:09:537:157:45
7:36
#6402
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi68766856855544(Top 21%)439(Top 4%)439(Top 9%)
10K6.21 mi3.10 mi6225+651559+126559+1265392(Top 20%)413(Top 4%)413(Top 8%)
15K9.32 mi3.11 mi5978+247511+48511+485544(Top 21%)439(Top 4%)439(Top 9%)
20K12.43 mi3.11 mi6084-106539-28539-286437(Top 24%)637(Top 6%)637(Top 13%)
Half13.11 mi0.68 mi6100-16538+1538+16397(Top 24%)609(Top 5%)609(Top 12%)
25K15.53 mi2.42 mi6184-84561-23561-236635(Top 25%)741(Top 6%)741(Top 15%)
30K18.64 mi3.11 mi6372-188618-57618-577951(Top 30%)1283(Top 11%)1283(Top 26%)
20M20.00 mi1.36 mi6456-84654-36654-368377(Top 31%)1541(Top 13%)1541(Top 32%)
21M21.00 mi1.00 mi6470-14674-20674-207801(Top 29%)1416(Top 12%)1416(Top 29%)
35K21.75 mi0.75 mi6441+29670+4670+46532(Top 25%)925(Top 8%)925(Top 19%)
23M23.00 mi1.25 mi6455-14686-16686-167377(Top 28%)1319(Top 12%)1319(Top 27%)
24M24.00 mi1.00 mi6376+79677+9677+95858(Top 22%)838(Top 7%)838(Top 17%)
40K24.85 mi0.85 mi6319+57672+5672+56026(Top 23%)984(Top 9%)984(Top 20%)
25.2M25.20 mi0.35 mi6328-9677-5677-57807(Top 29%)1719(Top 15%)1719(Top 35%)
Finish26.22 mi1.02 mi6402-74711-34711-349314(Top 35%)2372(Top 21%)2372(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5544

Females

439

F18-39

439

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5392

Females

413

F18-39

413

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5544

Females

439

F18-39

439

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6437

Females

637

F18-39

637

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6397

Females

609

F18-39

609

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6635

Females

741

F18-39

741

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7951

Females

1283

F18-39

1283

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8377

Females

1541

F18-39

1541

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7801

Females

1416

F18-39

1416

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6532

Females

925

F18-39

925

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7377

Females

1319

F18-39

1319

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5858

Females

838

F18-39

838

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6026

Females

984

F18-39

984

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7807

Females

1719

F18-39

1719

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9314

Females

2372

F18-39

2372

Passing Analysis

Category:
Athletes Passed
1574
Passed By
1100
Net Change
+474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6876
5K → 10K67625+651#6876#6225
10K → 15K27427+247#6225#5978
15K → 20K68174-106#5978#6084
20K → Half824-16#6084#6100
Half → 25K57141-84#6100#6184
25K → 30K70258-188#6184#6372
30K → 20M33117-84#6372#6456
20M → 21M5569-14#6456#6470
21M → 35K4920+29#6470#6441
35K → 23M6478-14#6441#6455
23M → 24M9819+79#6455#6376
24M → 40K8124+57#6376#6319
40K → 25.2M1827-9#6319#6328
25.2M → Finish2397-74#6328#6402
TOTALS15741100+474
📊

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