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BOSTON MARATHON 2024

Mackenzie Smith

Bib: 18789•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 47%
Gender (Female)
#0 / 10924
Top 34%
Masters (Masters Women)
#0 / 6263
Top 21%
Division (F40-44)
#0 / 1613
Top 39%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:58/mi
24:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
49:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:14:13
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:39:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:45:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:05:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:32:27
↑ 181↓ 1480.2%
20M
8:41/mi
2:44:15
↑ 64↓ 500.2%
21M
9:13/mi
2:53:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:15/mi
3:00:23
↑ 17↓ 861.7%
23M
8:38/mi
3:11:11
↑ 23↓ 630.6%
24M
8:36/mi
3:19:47
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:27:28
↓ 200.3%
25.2M
10:03/mi
3:30:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:35/mi
3:39:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:13
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:54:28
Pace8:44 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5424:467:5824:46
7:58
-
10K
6.21 mi11:42:2149:137:5524:27
7:52
-0:06
15K
9.32 mi12:07:211:14:137:5825:00
8:03
+0:11
20K
12.43 mi12:32:521:39:448:0225:31
8:13
+0:10
Half
13.11 mi12:38:211:45:138:025:29
8:02
-0:11
25K
15.53 mi12:58:412:05:338:0520:20
8:23
+0:21
30K
18.64 mi13:25:352:32:278:1126:54
8:39
+0:16
20M
20.00 mi13:37:232:44:158:1311:48
8:41
+0:02
21M
21.00 mi13:46:362:53:288:169:13
9:13
+0:32
35K
21.75 mi13:53:313:00:238:186:55
9:15
+0:02
23M
23.00 mi14:04:193:11:118:1910:48
8:38
-0:37
24M
24.00 mi14:12:553:19:478:198:36
8:36
-0:02
40K
24.85 mi14:20:363:27:288:217:41
8:59
+0:23
25.2M
25.20 mi14:24:043:30:568:223:28
10:03
+1:04
Finish
26.22 mi14:32:493:39:418:238:45
8:35
-1:28

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

7:52 /mi

Average Pace

8:23 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:13

48% of race

Time at Steady Pace

1:27:11

40% of race

Time at Slower Pace

27:17

12% of race

Average Pace: 8:23 /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 mi11:17:5424:467:5824:46
7:58
#14462
10K
6.21 mi11:42:2149:137:5524:27
7:52
#13817
15K
9.32 mi12:07:211:14:137:5825:00
8:03
#13806
20K
12.43 mi12:32:521:39:448:0225:31
8:13
#13611
Half
13.11 mi12:38:211:45:138:025:29
8:02
#13568
25K
15.53 mi12:58:412:05:338:0520:20
8:23
#13279
30K
18.64 mi13:25:352:32:278:1126:54
8:39
#12828
20M
20.00 mi13:37:232:44:158:1311:48
8:41
#12589
21M
21.00 mi13:46:362:53:288:169:13
9:13
#12360
35K
21.75 mi13:53:313:00:238:186:55
9:15
#12453
23M
23.00 mi14:04:193:11:118:1910:48
8:38
#12176
24M
24.00 mi14:12:553:19:478:198:36
8:36
#12051
40K
24.85 mi14:20:363:27:288:217:41
8:59
#11978
25.2M
25.20 mi14:24:043:30:568:223:28
10:03
#11952
Finish
26.22 mi14:32:493:39:418:238:45
8:35
#11912
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi144624600460013768(Top 54%)4219(Top 39%)4219(Top 262%)
10K6.21 mi3.10 mi13817+6454225+3754225+37513214(Top 52%)3883(Top 36%)3883(Top 241%)
15K9.32 mi3.11 mi13806+114235-104235-1013768(Top 54%)4219(Top 39%)4219(Top 262%)
20K12.43 mi3.11 mi13611+1954124+1114124+11113225(Top 52%)3962(Top 36%)3962(Top 246%)
Half13.11 mi0.68 mi13568+434106+184106+1813043(Top 51%)3911(Top 36%)3911(Top 242%)
25K15.53 mi2.42 mi13279+2893963+1433963+14312446(Top 49%)3749(Top 34%)3749(Top 232%)
30K18.64 mi3.11 mi12828+4513803+1603803+16011490(Top 45%)3445(Top 32%)3445(Top 214%)
20M20.00 mi1.36 mi12589+2393736+673736+6710473(Top 41%)3197(Top 29%)3197(Top 198%)
21M21.00 mi1.00 mi12360+2293669+673669+679596(Top 38%)3007(Top 28%)3007(Top 186%)
35K21.75 mi0.75 mi12453-933768-993768-9914459(Top 57%)5548(Top 51%)5548(Top 344%)
23M23.00 mi1.25 mi12176+2773673+953673+959168(Top 36%)2966(Top 27%)2966(Top 184%)
24M24.00 mi1.00 mi12051+1253649+243649+2410066(Top 39%)3478(Top 32%)3478(Top 216%)
40K24.85 mi0.85 mi11978+733660-113660-1110830(Top 42%)3980(Top 36%)3980(Top 247%)
25.2M25.20 mi0.35 mi11952+263662-23662-211181(Top 44%)4174(Top 38%)4174(Top 259%)
Finish26.22 mi1.02 mi11912+403680-183680-1811996(Top 47%)4457(Top 41%)4457(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

13768

Females

4219

F40-44

4219

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13214

Females

3883

F40-44

3883

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

13768

Females

4219

F40-44

4219

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13225

Females

3962

F40-44

3962

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13043

Females

3911

F40-44

3911

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12446

Females

3749

F40-44

3749

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11490

Females

3445

F40-44

3445

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10473

Females

3197

F40-44

3197

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

9596

Females

3007

F40-44

3007

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

14459

Females

5548

F40-44

5548

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9168

Females

2966

F40-44

2966

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10066

Females

3478

F40-44

3478

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10830

Females

3980

F40-44

3980

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11181

Females

4174

F40-44

4174

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

11996

Females

4457

F40-44

4457

Passing Analysis

Category:
Athletes Passed
3553
Passed By
1003
Net Change
+2550
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14462
5K → 10K71772+645#14462#13817
10K → 15K228217+11#13817#13806
15K → 20K345150+195#13806#13611
20K → Half6320+43#13611#13568
Half → 25K37687+289#13568#13279
25K → 30K52372+451#13279#12828
30K → 20M26627+239#12828#12589
20M → 21M25627+229#12589#12360
21M → 35K50143-93#12360#12453
35K → 23M29215+277#12453#12176
23M → 24M15530+125#12176#12051
24M → 40K12552+73#12051#11978
40K → 25.2M5529+26#11978#11952
25.2M → Finish10262+40#11952#11912
TOTALS35531003+2550
📊

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