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BOSTON MARATHON 2023

Mackenzie Parks

Bib: 17479•F

VA

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
26:48
Rank: #18406
Start → 5K
8:38/mi
26:48 split
10K· 6.21 mi
52:52
Rank: #17961 (+445)
5K → 10K
8:23/mi
26:04 split
15K· 9.32 mi
1:19:23
Rank: #17957 (+4)
10K → 15K
8:32/mi
26:31 split
20K· 12.43 mi
1:47:01
Rank: #18279 (-322)
15K → 20K
8:54/mi
27:38 split
Half· 13.11 mi
1:52:56
Rank: #18295 (-16)
20K → Half
8:40/mi
5:55 split
25K· 15.53 mi
2:14:19
Rank: #18247 (+48)
Half → 25K
8:49/mi
21:23 split
30K· 18.64 mi
2:43:28
Rank: #18398 (-151)
25K → 30K
9:23/mi
29:09 split
20M
2:56:45
Rank: #18539 (-141)
30K → 20M
9:46/mi
13:17 split
21M
3:07:26
Rank: #18674 (-135)
20M → 21M
10:41/mi
10:41 split
35K· 21.75 mi
3:14:31
Rank: #18717 (-43)
21M → 35K
9:28/mi
7:05 split
23M
3:27:18
Rank: #18896 (-179)
35K → 23M
10:13/mi
12:47 split
24M
3:36:26
Rank: #18831 (+65)
23M → 24M
9:08/mi
9:08 split
40K· 24.85 mi
3:44:43
Rank: #18860 (-29)
24M → 40K
9:41/mi
8:17 split
25.2M
3:48:44
Rank: #18949 (-89)
40K → 25.2M
11:39/mi
4:01 split
Finish· 26.22 mi
3:58:42
Rank: #19075 (-126)
25.2M → Finish
9:47/mi
9:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:56
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time2:05:46
Pace9:36 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2826:488:3826:48
8:38
-
10K
6.21 mi11:43:3252:528:3026:04
8:23
-0:15
15K
9.32 mi12:10:031:19:238:3126:31
8:32
+0:09
20K
12.43 mi12:37:411:47:018:3727:38
8:54
+0:22
Half
13.11 mi12:43:361:52:568:375:55
8:40
-0:14
25K
15.53 mi13:04:592:14:198:3921:23
8:49
+0:09
30K
18.64 mi13:34:082:43:288:4629:09
9:23
+0:34
20M
20.00 mi13:47:252:56:458:5013:17
9:46
+0:23
21M
21.00 mi13:58:063:07:268:5610:41
10:41
+0:55
35K
21.75 mi14:05:113:14:318:577:05
9:28
-1:13
23M
23.00 mi14:17:583:27:189:0112:47
10:13
+0:45
24M
24.00 mi14:27:063:36:269:019:08
9:08
-1:05
40K
24.85 mi14:35:233:44:439:028:17
9:41
+0:33
25.2M
25.20 mi14:39:243:48:449:054:01
11:39
+1:58
Finish
26.22 mi14:49:223:58:429:079:58
9:47
-1:52

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

8:23 /mi

Average Pace

9:07 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:19

56% of race

Time at Steady Pace

1:16:54

32% of race

Time at Slower Pace

27:29

12% of race

Average Pace: 9:06 /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 mi11:17:2826:488:3826:48
8:38
#18406
10K
6.21 mi11:43:3252:528:3026:04
8:23
#17961
15K
9.32 mi12:10:031:19:238:3126:31
8:32
#17957
20K
12.43 mi12:37:411:47:018:3727:38
8:54
#18279
Half
13.11 mi12:43:361:52:568:375:55
8:40
#18295
25K
15.53 mi13:04:592:14:198:3921:23
8:49
#18247
30K
18.64 mi13:34:082:43:288:4629:09
9:23
#18398
20M
20.00 mi13:47:252:56:458:5013:17
9:46
#18539
21M
21.00 mi13:58:063:07:268:5610:41
10:41
#18674
35K
21.75 mi14:05:113:14:318:577:05
9:28
#18717
23M
23.00 mi14:17:583:27:189:0112:47
10:13
#18896
24M
24.00 mi14:27:063:36:269:019:08
9:08
#18831
40K
24.85 mi14:35:233:44:439:028:17
9:41
#18860
25.2M
25.20 mi14:39:243:48:449:054:01
11:39
#18949
Finish
26.22 mi14:49:223:58:429:079:58
9:47
#19075
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi184066818681818062(Top 68%)6542(Top 57%)6542(Top 134%)
10K6.21 mi3.10 mi17961+4456513+3056513+30517540(Top 66%)6208(Top 54%)6208(Top 127%)
15K9.32 mi3.11 mi17957+46499+146499+1418062(Top 68%)6542(Top 57%)6542(Top 134%)
20K12.43 mi3.11 mi18279-3226677-1786677-17819187(Top 72%)7202(Top 63%)7202(Top 147%)
Half13.11 mi0.68 mi18295-166690-136690-1318835(Top 71%)6992(Top 61%)6992(Top 143%)
25K15.53 mi2.42 mi18247+486678+126678+1218076(Top 68%)6597(Top 58%)6597(Top 135%)
30K18.64 mi3.11 mi18398-1516805-1276805-12718969(Top 71%)7180(Top 63%)7180(Top 147%)
20M20.00 mi1.36 mi18539-1416892-876892-8719784(Top 74%)7739(Top 68%)7739(Top 158%)
21M21.00 mi1.00 mi18674-1356970-786970-7820111(Top 76%)7983(Top 70%)7983(Top 163%)
35K21.75 mi0.75 mi18717-437009-397009-3919756(Top 74%)7784(Top 68%)7784(Top 159%)
23M23.00 mi1.25 mi18896-1797127-1187127-11820610(Top 77%)8295(Top 73%)8295(Top 170%)
24M24.00 mi1.00 mi18831+657107+207107+2017823(Top 67%)6816(Top 60%)6816(Top 140%)
40K24.85 mi0.85 mi18860-297124-177124-1718995(Top 71%)7491(Top 66%)7491(Top 153%)
25.2M25.20 mi0.35 mi18949-897177-537177-5321859(Top 82%)9043(Top 79%)9043(Top 185%)
Finish26.22 mi1.02 mi19075-1267251-747251-7421095(Top 79%)8604(Top 75%)8604(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18062

Females

6542

F18-39

6542

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17540

Females

6208

F18-39

6208

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18062

Females

6542

F18-39

6542

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19187

Females

7202

F18-39

7202

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18835

Females

6992

F18-39

6992

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18076

Females

6597

F18-39

6597

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18969

Females

7180

F18-39

7180

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19784

Females

7739

F18-39

7739

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20111

Females

7983

F18-39

7983

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19756

Females

7784

F18-39

7784

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20610

Females

8295

F18-39

8295

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17823

Females

6816

F18-39

6816

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18995

Females

7491

F18-39

7491

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21859

Females

9043

F18-39

9043

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21095

Females

8604

F18-39

8604

Passing Analysis

Category:
Athletes Passed
1504
Passed By
2173
Net Change
-669
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18406
5K → 10K614169+445#18406#17961
10K → 15K189185+4#17961#17957
15K → 20K85407-322#17957#18279
20K → Half2036-16#18279#18295
Half → 25K14799+48#18295#18247
25K → 30K134285-151#18247#18398
30K → 20M47188-141#18398#18539
20M → 21M44179-135#18539#18674
21M → 35K3275-43#18674#18717
35K → 23M31210-179#18717#18896
23M → 24M9732+65#18896#18831
24M → 40K3665-29#18831#18860
40K → 25.2M13102-89#18860#18949
25.2M → Finish15141-126#18949#19075
TOTALS15042173-669
📊

Passing Visuals

Category:
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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