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BOSTON MARATHON 2023

Heather Mihalik

Bib: 18933•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Masters (Masters Women)
#0 / 6539
Top 18%
Division (F40-44)
#0 / 1878
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #10232
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
47:49
Rank: #11769 (-1537)
5K → 10K
24:19 | 7:50/mi
15K· 9.32 mi
1:12:04
Rank: #12094 (-325)
10K → 15K
24:15 | 7:48/mi
20K· 12.43 mi
1:36:47
Rank: #12294 (-200)
15K → 20K
24:43 | 7:57/mi
Half· 13.11 mi
1:42:13
Rank: #12383 (-89)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:01:29
Rank: #12351 (+32)
Half → 25K
19:16 | 7:57/mi
30K· 18.64 mi
2:27:26
Rank: #12546 (-195)
25K → 30K
25:57 | 8:21/mi
20M
2:38:39
Rank: #12486 (+60)
30K → 20M
11:13 | 8:15/mi
21M
2:47:41
Rank: #12540 (-54)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:53:56
Rank: #12610 (-70)
21M → 35K
6:15 | 8:21/mi
23M
3:04:43
Rank: #12694 (-84)
35K → 23M
10:47 | 8:37/mi
24M
3:13:12
Rank: #12764 (-70)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:20:20
Rank: #12740 (+24)
24M → 40K
7:08 | 8:21/mi
25.2M
3:23:40
Rank: #12801 (-61)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:32:24
Rank: #12908 (-107)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:13
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:50:11
Pace8:24 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:3223:307:3423:30
7:34
-
10K
6.21 mi12:02:5147:497:4224:19
7:50
+0:16
15K
9.32 mi12:27:061:12:047:4424:15
7:48
-0:02
20K
12.43 mi12:51:491:36:477:4724:43
7:57
+0:09
Half
13.11 mi12:57:151:42:137:485:26
7:58
+0:01
25K
15.53 mi13:16:312:01:297:4919:16
7:57
-0:01
30K
18.64 mi13:42:282:27:267:5525:57
8:21
+0:24
20M
20.00 mi13:53:412:38:397:5611:13
8:15
-0:06
21M
21.00 mi14:02:432:47:417:599:02
9:02
+0:47
35K
21.75 mi14:08:582:53:568:006:15
8:21
-0:41
23M
23.00 mi14:19:453:04:438:0210:47
8:37
+0:16
24M
24.00 mi14:28:143:13:128:038:29
8:29
-0:08
40K
24.85 mi14:35:223:20:208:047:08
8:21
-0:08
25.2M
25.20 mi14:38:423:23:408:053:20
9:40
+1:19
Finish
26.22 mi14:47:263:32:248:068:44
8:34
-1:06

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

8:06 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:29

57% of race

Time at Steady Pace

1:07:46

32% of race

Time at Slower Pace

23:09

11% of race

Average Pace: 8:06 /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 mi11:38:3223:307:3423:30
7:34
#10232
10K
6.21 mi12:02:5147:497:4224:19
7:50
#11769
15K
9.32 mi12:27:061:12:047:4424:15
7:48
#12094
20K
12.43 mi12:51:491:36:477:4724:43
7:57
#12294
Half
13.11 mi12:57:151:42:137:485:26
7:58
#12383
25K
15.53 mi13:16:312:01:297:4919:16
7:57
#12351
30K
18.64 mi13:42:282:27:267:5525:57
8:21
#12546
20M
20.00 mi13:53:412:38:397:5611:13
8:15
#12486
21M
21.00 mi14:02:432:47:417:599:02
9:02
#12540
35K
21.75 mi14:08:582:53:568:006:15
8:21
#12610
23M
23.00 mi14:19:453:04:438:0210:47
8:37
#12694
24M
24.00 mi14:28:143:13:128:038:29
8:29
#12764
40K
24.85 mi14:35:223:20:208:047:08
8:21
#12740
25.2M
25.20 mi14:38:423:23:408:053:20
9:40
#12801
Finish
26.22 mi14:47:263:32:248:068:44
8:34
#12908
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi102321975197512783(Top 48%)3339(Top 29%)3339(Top 178%)
10K6.21 mi3.10 mi11769-15372746-7712746-77113374(Top 50%)3645(Top 32%)3645(Top 194%)
15K9.32 mi3.11 mi12094-3252947-2012947-20112783(Top 48%)3339(Top 29%)3339(Top 178%)
20K12.43 mi3.11 mi12294-2003090-1433090-14313082(Top 49%)3589(Top 31%)3589(Top 191%)
Half13.11 mi0.68 mi12383-893141-513141-5114092(Top 53%)4123(Top 36%)4123(Top 220%)
25K15.53 mi2.42 mi12351+323146-53146-512300(Top 46%)3254(Top 28%)3254(Top 173%)
30K18.64 mi3.11 mi12546-1953284-1383284-13813362(Top 50%)3951(Top 35%)3951(Top 210%)
20M20.00 mi1.36 mi12486+603260+243260+2412073(Top 45%)3321(Top 29%)3321(Top 177%)
21M21.00 mi1.00 mi12540-543319-593319-5913614(Top 51%)4270(Top 37%)4270(Top 227%)
35K21.75 mi0.75 mi12610-703373-543373-5414441(Top 54%)4793(Top 42%)4793(Top 255%)
23M23.00 mi1.25 mi12694-843446-733446-7313875(Top 52%)4538(Top 40%)4538(Top 242%)
24M24.00 mi1.00 mi12764-703512-663512-6614390(Top 54%)4884(Top 43%)4884(Top 260%)
40K24.85 mi0.85 mi12740+243519-73519-712366(Top 46%)3866(Top 34%)3866(Top 206%)
25.2M25.20 mi0.35 mi12801-613557-383557-3815963(Top 60%)5827(Top 51%)5827(Top 310%)
Finish26.22 mi1.02 mi12908-1073648-913648-9115826(Top 59%)5705(Top 50%)5705(Top 304%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12783

Females

3339

F40-44

3339

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13374

Females

3645

F40-44

3645

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12783

Females

3339

F40-44

3339

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13082

Females

3589

F40-44

3589

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14092

Females

4123

F40-44

4123

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12300

Females

3254

F40-44

3254

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13362

Females

3951

F40-44

3951

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12073

Females

3321

F40-44

3321

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13614

Females

4270

F40-44

4270

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14441

Females

4793

F40-44

4793

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13875

Females

4538

F40-44

4538

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14390

Females

4884

F40-44

4884

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12366

Females

3866

F40-44

3866

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15963

Females

5827

F40-44

5827

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15826

Females

5705

F40-44

5705

Passing Analysis

Category:
Athletes Passed
992
Passed By
3668
Net Change
-2676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10232
5K → 10K301567-1537#10232#11769
10K → 15K102427-325#11769#12094
15K → 20K108308-200#12094#12294
20K → Half11100-89#12294#12383
Half → 25K137105+32#12383#12351
25K → 30K143338-195#12351#12546
30K → 20M12868+60#12546#12486
20M → 21M77131-54#12486#12540
21M → 35K30100-70#12540#12610
35K → 23M62146-84#12610#12694
23M → 24M50120-70#12694#12764
24M → 40K7046+24#12764#12740
40K → 25.2M1475-61#12740#12801
25.2M → Finish30137-107#12801#12908
TOTALS9923668-2676
📊

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