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BOSTON MARATHON 2023

Heather Ocock

Bib: 19429•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:40
Rank: #18141
Start → 5K
26:40 | 8:35/mi
10K· 6.21 mi
53:19
Rank: #18420 (-279)
5K → 10K
26:39 | 8:35/mi
15K· 9.32 mi
1:20:02
Rank: #18412 (+8)
10K → 15K
26:43 | 8:36/mi
20K· 12.43 mi
1:48:35
Rank: #19009 (-597)
15K → 20K
28:33 | 9:11/mi
Half· 13.11 mi
1:54:44
Rank: #19079 (-70)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:20:23
Rank: #20307 (-1228)
Half → 25K
25:39 | 10:35/mi
30K· 18.64 mi
2:56:14
Rank: #21337 (-1030)
25K → 30K
35:51 | 11:32/mi
20M
3:11:10
Rank: #21487 (-150)
30K → 20M
14:56 | 10:59/mi
21M
3:23:16
Rank: #21584 (-97)
20M → 21M
12:06 | 12:06/mi
35K· 21.75 mi
3:30:59
Rank: #21606 (-22)
21M → 35K
7:43 | 10:19/mi
23M
3:44:52
Rank: #21671 (-65)
35K → 23M
13:53 | 11:05/mi
24M
3:55:43
Rank: #21754 (-83)
23M → 24M
10:51 | 10:51/mi
40K· 24.85 mi
4:05:34
Rank: #21819 (-65)
24M → 40K
9:51 | 11:31/mi
25.2M
4:09:40
Rank: #21825 (-6)
40K → 25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
4:19:30
Rank: #21791 (+34)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:44
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:24:46
Pace11:03 /mi
📊Positive Split: 26.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3626:408:3526:40
8:35
-
10K
6.21 mi11:45:1553:198:3526:39
8:35
0:00
15K
9.32 mi12:11:581:20:028:3526:43
8:36
+0:01
20K
12.43 mi12:40:311:48:358:4428:33
9:11
+0:35
Half
13.11 mi12:46:401:54:448:456:09
9:01
-0:10
25K
15.53 mi13:12:192:20:239:0225:39
10:35
+1:34
30K
18.64 mi13:48:102:56:149:2735:51
11:32
+0:57
20M
20.00 mi14:03:063:11:109:3314:56
10:59
-0:33
21M
21.00 mi14:15:123:23:169:4112:06
12:06
+1:07
35K
21.75 mi14:22:553:30:599:427:43
10:19
-1:47
23M
23.00 mi14:36:483:44:529:4713:53
11:05
+0:46
24M
24.00 mi14:47:393:55:439:4910:51
10:51
-0:14
40K
24.85 mi14:57:304:05:349:539:51
11:31
+0:40
25.2M
25.20 mi15:01:364:09:409:544:06
11:53
+0:22
Finish
26.22 mi15:11:264:19:309:549:50
9:39
-2:14

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

8:35 /mi

Average Pace

9:54 /mi

Slowest Pace

12:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:34

48% of race

Time at Steady Pace

1:13:02

28% of race

Time at Slower Pace

1:01:54

24% of race

Average Pace: 9:54 /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 mi11:18:3626:408:3526:40
8:35
#18141
10K
6.21 mi11:45:1553:198:3526:39
8:35
#18420
15K
9.32 mi12:11:581:20:028:3526:43
8:36
#18412
20K
12.43 mi12:40:311:48:358:4428:33
9:11
#19009
Half
13.11 mi12:46:401:54:448:456:09
9:01
#19079
25K
15.53 mi13:12:192:20:239:0225:39
10:35
#20307
30K
18.64 mi13:48:102:56:149:2735:51
11:32
#21337
20M
20.00 mi14:03:063:11:109:3314:56
10:59
#21487
21M
21.00 mi14:15:123:23:169:4112:06
12:06
#21584
35K
21.75 mi14:22:553:30:599:427:43
10:19
#21606
23M
23.00 mi14:36:483:44:529:4713:53
11:05
#21671
24M
24.00 mi14:47:393:55:439:4910:51
10:51
#21754
40K
24.85 mi14:57:304:05:349:539:51
11:31
#21819
25.2M
25.20 mi15:01:364:09:409:544:06
11:53
#21825
Finish
26.22 mi15:11:264:19:309:549:50
9:39
#21791
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi181416648664818461(Top 69%)6776(Top 59%)6776(Top 373%)
10K6.21 mi3.10 mi18420-2796776-1286776-12818744(Top 70%)6931(Top 61%)6931(Top 381%)
15K9.32 mi3.11 mi18412+86755+216755+2118461(Top 69%)6776(Top 59%)6776(Top 373%)
20K12.43 mi3.11 mi19009-5977129-3747129-37420536(Top 77%)7982(Top 70%)7982(Top 439%)
Half13.11 mi0.68 mi19079-707170-417170-4120545(Top 77%)8000(Top 70%)8000(Top 440%)
25K15.53 mi2.42 mi20307-12287875-7057875-70523320(Top 88%)9567(Top 84%)9567(Top 527%)
30K18.64 mi3.11 mi21337-10308472-5978472-59723913(Top 90%)9968(Top 87%)9968(Top 549%)
20M20.00 mi1.36 mi21487-1508559-878559-8722691(Top 85%)9353(Top 82%)9353(Top 515%)
21M21.00 mi1.00 mi21584-978620-618620-6122908(Top 86%)9500(Top 83%)9500(Top 523%)
35K21.75 mi0.75 mi21606-228643-238643-2322041(Top 83%)9072(Top 79%)9072(Top 499%)
23M23.00 mi1.25 mi21671-658699-568699-5622506(Top 85%)9326(Top 82%)9326(Top 513%)
24M24.00 mi1.00 mi21754-838753-548753-5422758(Top 85%)9503(Top 83%)9503(Top 523%)
40K24.85 mi0.85 mi21819-658801-488801-4823239(Top 87%)9789(Top 86%)9789(Top 539%)
25.2M25.20 mi0.35 mi21825-68805-48805-422309(Top 84%)9287(Top 81%)9287(Top 511%)
Finish26.22 mi1.02 mi21791+348788+178788+1720654(Top 78%)8384(Top 73%)8384(Top 461%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18461

Females

6776

F45-49

6776

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18744

Females

6931

F45-49

6931

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18461

Females

6776

F45-49

6776

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20536

Females

7982

F45-49

7982

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20545

Females

8000

F45-49

8000

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23320

Females

9567

F45-49

9567

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23913

Females

9968

F45-49

9968

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22691

Females

9353

F45-49

9353

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22908

Females

9500

F45-49

9500

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22041

Females

9072

F45-49

9072

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22506

Females

9326

F45-49

9326

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22758

Females

9503

F45-49

9503

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23239

Females

9789

F45-49

9789

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22309

Females

9287

F45-49

9287

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20654

Females

8384

F45-49

8384

Passing Analysis

Category:
Athletes Passed
681
Passed By
4331
Net Change
-3650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18141
5K → 10K190469-279#18141#18420
10K → 15K185177+8#18420#18412
15K → 20K37634-597#18412#19009
20K → Half575-70#19009#19079
Half → 25K71235-1228#19079#20307
25K → 30K121042-1030#20307#21337
30K → 20M34184-150#21337#21487
20M → 21M35132-97#21487#21584
21M → 35K3153-22#21584#21606
35K → 23M45110-65#21606#21671
23M → 24M17100-83#21671#21754
24M → 40K1984-65#21754#21819
40K → 25.2M1420-6#21819#21825
25.2M → Finish5016+34#21825#21791
TOTALS6814331-3650
📊

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