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BOSTON MARATHON 2023

Melinda Kaiser

Bib: 18759•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Masters (Masters Women)
#0 / 6539
Top 13%
Division (F40-44)
#0 / 1878
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:11
Rank: #14751
Start → 5K
25:11 | 8:06/mi
10K· 6.21 mi
48:01
Rank: #12092 (+2659)
5K → 10K
22:50 | 7:21/mi
15K· 9.32 mi
1:11:29
Rank: #11531 (+561)
10K → 15K
23:28 | 7:33/mi
20K· 12.43 mi
1:36:04
Rank: #11799 (-268)
15K → 20K
24:35 | 7:55/mi
Half· 13.11 mi
1:41:28
Rank: #11902 (-103)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:00:49
Rank: #11985 (-83)
Half → 25K
19:21 | 7:59/mi
30K· 18.64 mi
2:26:09
Rank: #11949 (+36)
25K → 30K
25:20 | 8:09/mi
20M
2:37:41
Rank: #12079 (-130)
30K → 20M
11:32 | 8:29/mi
21M
2:46:10
Rank: #11971 (+108)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:51:59
Rank: #11908 (+63)
21M → 35K
5:49 | 7:46/mi
23M
3:02:29
Rank: #11925 (-17)
35K → 23M
10:30 | 8:23/mi
24M
3:10:30
Rank: #11893 (+32)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:17:23
Rank: #11814 (+79)
24M → 40K
6:53 | 8:03/mi
25.2M
3:20:29
Rank: #11834 (-20)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:28:41
Rank: #11855 (-21)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:28
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:47:13
Pace8:11 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1225:118:0625:11
8:06
-
10K
6.21 mi11:38:0248:017:4422:50
7:21
-0:45
15K
9.32 mi12:01:301:11:297:4023:28
7:33
+0:12
20K
12.43 mi12:26:051:36:047:4424:35
7:55
+0:22
Half
13.11 mi12:31:291:41:287:445:24
7:55
0:00
25K
15.53 mi12:50:502:00:497:4719:21
7:59
+0:04
30K
18.64 mi13:16:102:26:097:5025:20
8:09
+0:10
20M
20.00 mi13:27:422:37:417:5311:32
8:29
+0:20
21M
21.00 mi13:36:112:46:107:558:29
8:29
0:00
35K
21.75 mi13:42:002:51:597:545:49
7:46
-0:43
23M
23.00 mi13:52:303:02:297:5610:30
8:23
+0:37
24M
24.00 mi14:00:313:10:307:568:01
8:01
-0:22
40K
24.85 mi14:07:243:17:237:566:53
8:03
+0:02
25.2M
25.20 mi14:10:303:20:297:573:06
8:59
+0:56
Finish
26.22 mi14:18:423:28:417:588:12
8:03
-0:56

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

7:21 /mi

Average Pace

7:58 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:07

25% of race

Time at Steady Pace

2:02:57

59% of race

Time at Slower Pace

33:37

16% of race

Average Pace: 7:58 /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 mi11:15:1225:118:0625:11
8:06
#14751
10K
6.21 mi11:38:0248:017:4422:50
7:21
#12092
15K
9.32 mi12:01:301:11:297:4023:28
7:33
#11531
20K
12.43 mi12:26:051:36:047:4424:35
7:55
#11799
Half
13.11 mi12:31:291:41:287:445:24
7:55
#11902
25K
15.53 mi12:50:502:00:497:4719:21
7:59
#11985
30K
18.64 mi13:16:102:26:097:5025:20
8:09
#11949
20M
20.00 mi13:27:422:37:417:5311:32
8:29
#12079
21M
21.00 mi13:36:112:46:107:558:29
8:29
#11971
35K
21.75 mi13:42:002:51:597:545:49
7:46
#11908
23M
23.00 mi13:52:303:02:297:5610:30
8:23
#11925
24M
24.00 mi14:00:313:10:307:568:01
8:01
#11893
40K
24.85 mi14:07:243:17:237:566:53
8:03
#11814
25.2M
25.20 mi14:10:303:20:297:573:06
8:59
#11834
Finish
26.22 mi14:18:423:28:417:588:12
8:03
#11855
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi147514482448210626(Top 40%)2151(Top 19%)2151(Top 115%)
10K6.21 mi3.10 mi12092+26592911+15712911+15719247(Top 35%)1520(Top 13%)1520(Top 81%)
15K9.32 mi3.11 mi11531+5612622+2892622+28910626(Top 40%)2151(Top 19%)2151(Top 115%)
20K12.43 mi3.11 mi11799-2682800-1782800-17812753(Top 48%)3415(Top 30%)3415(Top 182%)
Half13.11 mi0.68 mi11902-1032857-572857-5713599(Top 51%)3873(Top 34%)3873(Top 206%)
25K15.53 mi2.42 mi11985-832930-732930-7312592(Top 47%)3409(Top 30%)3409(Top 182%)
30K18.64 mi3.11 mi11949+362951-212951-2112033(Top 45%)3201(Top 28%)3201(Top 170%)
20M20.00 mi1.36 mi12079-1303048-973048-9713513(Top 51%)4140(Top 36%)4140(Top 220%)
21M21.00 mi1.00 mi11971+1082995+532995+5310442(Top 39%)2611(Top 23%)2611(Top 139%)
35K21.75 mi0.75 mi11908+632974+212974+2110533(Top 40%)2633(Top 23%)2633(Top 140%)
23M23.00 mi1.25 mi11925-173014-403014-4012503(Top 47%)3793(Top 33%)3793(Top 202%)
24M24.00 mi1.00 mi11893+323010+43010+411381(Top 43%)3276(Top 29%)3276(Top 174%)
40K24.85 mi0.85 mi11814+792990+202990+2010405(Top 39%)2847(Top 25%)2847(Top 152%)
25.2M25.20 mi0.35 mi11834-203008-183008-1812501(Top 47%)3960(Top 35%)3960(Top 211%)
Finish26.22 mi1.02 mi11855-213041-333041-3312455(Top 47%)3932(Top 34%)3932(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10626

Females

2151

F40-44

2151

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9247

Females

1520

F40-44

1520

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10626

Females

2151

F40-44

2151

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12753

Females

3415

F40-44

3415

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13599

Females

3873

F40-44

3873

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12592

Females

3409

F40-44

3409

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12033

Females

3201

F40-44

3201

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13513

Females

4140

F40-44

4140

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10442

Females

2611

F40-44

2611

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10533

Females

2633

F40-44

2633

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12503

Females

3793

F40-44

3793

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11381

Females

3276

F40-44

3276

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10405

Females

2847

F40-44

2847

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12501

Females

3960

F40-44

3960

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12455

Females

3932

F40-44

3932

Passing Analysis

Category:
Athletes Passed
4304
Passed By
1408
Net Change
+2896
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14751
5K → 10K26656+2659#14751#12092
10K → 15K58928+561#12092#11531
15K → 20K79347-268#11531#11799
20K → Half6109-103#11799#11902
Half → 25K103186-83#11902#11985
25K → 30K216180+36#11985#11949
30K → 20M73203-130#11949#12079
20M → 21M14133+108#12079#11971
21M → 35K8017+63#11971#11908
35K → 23M83100-17#11908#11925
23M → 24M8149+32#11925#11893
24M → 40K10627+79#11893#11814
40K → 25.2M2040-20#11814#11834
25.2M → Finish6283-21#11834#11855
TOTALS43041408+2896
📊

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