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BOSTON MARATHON 2023

Mackenzie Sinnott

Bib: 29571•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:16
Rank: #14958
Start → 5K
25:16 | 8:08/mi
10K· 6.21 mi
50:06
Rank: #14849 (+109)
5K → 10K
24:50 | 8:00/mi
15K· 9.32 mi
1:14:15
Rank: #14108 (+741)
10K → 15K
24:09 | 7:46/mi
20K· 12.43 mi
1:38:43
Rank: #13651 (+457)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:44:04
Rank: #13626 (+25)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:04:15
Rank: #13859 (-233)
Half → 25K
20:11 | 8:19/mi
30K· 18.64 mi
2:29:53
Rank: #13605 (+254)
25K → 30K
25:38 | 8:15/mi
20M
2:41:11
Rank: #13499 (+106)
30K → 20M
11:18 | 8:19/mi
21M
2:49:54
Rank: #13374 (+125)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:56:08
Rank: #13403 (-29)
21M → 35K
6:14 | 8:20/mi
23M
3:07:49
Rank: #13717 (-314)
35K → 23M
11:41 | 9:20/mi
24M
3:15:44
Rank: #13539 (+178)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:22:25
Rank: #13333 (+206)
24M → 40K
6:41 | 7:49/mi
25.2M
3:25:16
Rank: #13223 (+110)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:32:48
Rank: #13000 (+223)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:04
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:48:44
Pace8:18 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0825:168:0825:16
8:08
-
10K
6.21 mi12:07:5850:068:0424:50
8:00
-0:08
15K
9.32 mi12:32:071:14:157:5824:09
7:46
-0:14
20K
12.43 mi12:56:351:38:437:5724:28
7:53
+0:07
Half
13.11 mi13:01:561:44:047:565:21
7:50
-0:03
25K
15.53 mi13:22:072:04:158:0020:11
8:19
+0:29
30K
18.64 mi13:47:452:29:538:0225:38
8:15
-0:04
20M
20.00 mi13:59:032:41:118:0411:18
8:19
+0:04
21M
21.00 mi14:07:462:49:548:058:43
8:43
+0:24
35K
21.75 mi14:14:002:56:088:066:14
8:20
-0:23
23M
23.00 mi14:25:413:07:498:1011:41
9:20
+1:00
24M
24.00 mi14:33:363:15:448:097:55
7:55
-1:25
40K
24.85 mi14:40:173:22:258:096:41
7:49
-0:06
25.2M
25.20 mi14:43:083:25:168:092:51
8:16
+0:27
Finish
26.22 mi14:50:403:32:488:077:32
7:24
-0:52

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

7:24 /mi

Average Pace

8:07 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:11

32% of race

Time at Steady Pace

2:04:13

58% of race

Time at Slower Pace

20:24

10% of race

Average Pace: 8:07 /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 mi11:43:0825:168:0825:16
8:08
#14958
10K
6.21 mi12:07:5850:068:0424:50
8:00
#14849
15K
9.32 mi12:32:071:14:157:5824:09
7:46
#14108
20K
12.43 mi12:56:351:38:437:5724:28
7:53
#13651
Half
13.11 mi13:01:561:44:047:565:21
7:50
#13626
25K
15.53 mi13:22:072:04:158:0020:11
8:19
#13859
30K
18.64 mi13:47:452:29:538:0225:38
8:15
#13605
20M
20.00 mi13:59:032:41:118:0411:18
8:19
#13499
21M
21.00 mi14:07:462:49:548:058:43
8:43
#13374
35K
21.75 mi14:14:002:56:088:066:14
8:20
#13403
23M
23.00 mi14:25:413:07:498:1011:41
9:20
#13717
24M
24.00 mi14:33:363:15:448:097:55
7:55
#13539
40K
24.85 mi14:40:173:22:258:096:41
7:49
#13333
25.2M
25.20 mi14:43:083:25:168:092:51
8:16
#13223
Finish
26.22 mi14:50:403:32:488:077:32
7:24
#13000
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149584611461112511(Top 47%)3194(Top 28%)3194(Top 65%)
10K6.21 mi3.10 mi14849+1094557+544557+5414761(Top 55%)4514(Top 40%)4514(Top 92%)
15K9.32 mi3.11 mi14108+7414123+4344123+43412511(Top 47%)3194(Top 28%)3194(Top 65%)
20K12.43 mi3.11 mi13651+4573883+2403883+24012417(Top 47%)3210(Top 28%)3210(Top 66%)
Half13.11 mi0.68 mi13626+253863+203863+2013161(Top 49%)3595(Top 31%)3595(Top 74%)
25K15.53 mi2.42 mi13859-2334029-1664029-16615099(Top 57%)4904(Top 43%)4904(Top 100%)
30K18.64 mi3.11 mi13605+2543903+1263903+12612695(Top 48%)3582(Top 31%)3582(Top 73%)
20M20.00 mi1.36 mi13499+1063857+463857+4612469(Top 47%)3562(Top 31%)3562(Top 73%)
21M21.00 mi1.00 mi13374+1253797+603797+6011795(Top 44%)3301(Top 29%)3301(Top 68%)
35K21.75 mi0.75 mi13403-293831-343831-3414295(Top 54%)4712(Top 41%)4712(Top 96%)
23M23.00 mi1.25 mi13717-3144051-2204051-22017667(Top 66%)6665(Top 58%)6665(Top 136%)
24M24.00 mi1.00 mi13539+1783963+883963+8810702(Top 40%)2946(Top 26%)2946(Top 60%)
40K24.85 mi0.85 mi13333+2063858+1053858+1058842(Top 33%)2119(Top 19%)2119(Top 43%)
25.2M25.20 mi0.35 mi13223+1103811+473811+478221(Top 31%)1948(Top 17%)1948(Top 40%)
Finish26.22 mi1.02 mi13000+2233701+1103701+1107790(Top 29%)1750(Top 15%)1750(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12511

Females

3194

F18-39

3194

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14761

Females

4514

F18-39

4514

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12511

Females

3194

F18-39

3194

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12417

Females

3210

F18-39

3210

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13161

Females

3595

F18-39

3595

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15099

Females

4904

F18-39

4904

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12695

Females

3582

F18-39

3582

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12469

Females

3562

F18-39

3562

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11795

Females

3301

F18-39

3301

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14295

Females

4712

F18-39

4712

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17667

Females

6665

F18-39

6665

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10702

Females

2946

F18-39

2946

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8842

Females

2119

F18-39

2119

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8221

Females

1948

F18-39

1948

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7790

Females

1750

F18-39

1750

Passing Analysis

Category:
Athletes Passed
3114
Passed By
1156
Net Change
+1958
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14958
5K → 10K345236+109#14958#14849
10K → 15K76019+741#14849#14108
15K → 20K47417+457#14108#13651
20K → Half3914+25#13651#13626
Half → 25K75308-233#13626#13859
25K → 30K31763+254#13859#13605
30K → 20M14943+106#13605#13499
20M → 21M15530+125#13499#13374
21M → 35K4776-29#13374#13403
35K → 23M23337-314#13403#13717
23M → 24M1857+178#13717#13539
24M → 40K2060+206#13539#13333
40K → 25.2M1133+110#13333#13223
25.2M → Finish2263+223#13223#13000
TOTALS31141156+1958
📊

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