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BOSTON MARATHON 2024

David Mackey

CO

Bib: P126 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 50%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:11/mi
22:19
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:17/mi
44:58
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:40/mi
1:08:46
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:35/mi
1:35:26
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:43/mi
1:40:42
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:04/mi
2:02:41
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:07/mi
2:30:59
↑ 181↓ 1480.2%
138 ft elev
20M
10:37/mi
2:45:24
↑ 64↓ 500.2%
148 ft elev
21M
8:52/mi
2:54:16
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:56/mi
3:01:42
↑ 17↓ 861.7%
156 ft elev
23M
9:25/mi
3:13:30
↑ 23↓ 630.6%
116 ft elev
24M
9:04/mi
3:22:34
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:22/mi
3:31:26
↓ 200.3%
20 ft elev
25.2M
8:56/mi
3:34:31
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:32/mi
3:43:13
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:42
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time2:02:31
Pace9:21 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:12:2122:197:1122:19
7:11
-
10K
6.21 mi10:35:0044:587:1422:39
7:17
+0:06
15K
9.32 mi10:58:481:08:467:2323:48
7:40
+0:23
20K
12.43 mi11:25:281:35:267:4126:40
8:35
+0:55
Half
13.11 mi11:30:441:40:427:415:16
7:43
-0:52
25K
15.53 mi11:52:432:02:417:5421:59
9:04
+1:21
30K
18.64 mi12:21:012:30:598:0628:18
9:07
+0:03
20M
20.00 mi12:35:262:45:248:1614:25
10:37
+1:30
21M
21.00 mi12:44:182:54:168:188:52
8:52
-1:45
35K
21.75 mi12:51:443:01:428:217:26
9:56
+1:04
23M
23.00 mi13:03:323:13:308:2511:48
9:25
-0:31
24M
24.00 mi13:12:363:22:348:269:04
9:04
-0:21
40K
24.85 mi13:21:283:31:268:308:52
10:22
+1:18
25.2M
25.20 mi13:24:333:34:318:313:05
8:56
-1:26
Finish
26.22 mi13:33:153:43:138:318:42
8:32
-0:24

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

7:11 /mi

Average Pace

8:31 /mi

Slowest Pace

10:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:02

33% of race

Time at Steady Pace

1:58:28

53% of race

Time at Slower Pace

30:43

14% of race

Average Pace: 8:31 /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 mi10:12:2122:197:1122:19
7:11
#8289
10K
6.21 mi10:35:0044:587:1422:39
7:17
#8413
15K
9.32 mi10:58:481:08:467:2323:48
7:40
#9173
20K
12.43 mi11:25:281:35:267:4126:40
8:35
#11024
Half
13.11 mi11:30:441:40:427:415:16
7:43
#11003
25K
15.53 mi11:52:432:02:417:5421:59
9:04
#11957
30K
18.64 mi12:21:012:30:598:0628:18
9:07
#12353
20M
20.00 mi12:35:262:45:248:1614:25
10:37
#12935
21M
21.00 mi12:44:182:54:168:188:52
8:52
#12593
35K
21.75 mi12:51:443:01:428:217:26
9:56
#12770
23M
23.00 mi13:03:323:13:308:2511:48
9:25
#12792
24M
24.00 mi13:12:363:22:348:269:04
9:04
#12747
40K
24.85 mi13:21:283:31:268:308:52
10:22
#12949
25.2M
25.20 mi13:24:333:34:318:313:05
8:56
#12804
Finish
26.22 mi13:33:153:43:138:318:42
8:32
#12719
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi82896983698310895(Top 43%)8235(Top 56%)8235(Top 426%)
10K6.21 mi3.10 mi8413-1247017-347017-348600(Top 34%)7111(Top 49%)7111(Top 367%)
15K9.32 mi3.11 mi9173-7607455-4387455-43810895(Top 43%)8235(Top 56%)8235(Top 426%)
20K12.43 mi3.11 mi11024-18518323-8688323-86815228(Top 60%)10048(Top 69%)10048(Top 519%)
Half13.11 mi0.68 mi11003+218305+188305+1810731(Top 42%)8060(Top 55%)8060(Top 417%)
25K15.53 mi2.42 mi11957-9548689-3848689-38415780(Top 62%)10150(Top 70%)10150(Top 525%)
30K18.64 mi3.11 mi12353-3968776-878776-8713749(Top 54%)9018(Top 62%)9018(Top 466%)
20M20.00 mi1.36 mi12935-5828966-1908966-19018284(Top 72%)10892(Top 75%)10892(Top 563%)
21M21.00 mi1.00 mi12593+3428768+1988768+1987922(Top 31%)5773(Top 40%)5773(Top 298%)
35K21.75 mi0.75 mi12770-1778805-378805-3716933(Top 66%)10071(Top 69%)10071(Top 520%)
23M23.00 mi1.25 mi12792-228759+468759+4613167(Top 52%)8144(Top 56%)8144(Top 421%)
24M24.00 mi1.00 mi12747+458683+768683+7612494(Top 49%)7800(Top 54%)7800(Top 403%)
40K24.85 mi0.85 mi12949-2028723-408723-4016255(Top 64%)9589(Top 66%)9589(Top 496%)
25.2M25.20 mi0.35 mi12804+1458638+858638+856294(Top 25%)4447(Top 31%)4447(Top 230%)
Finish26.22 mi1.02 mi12719+858558+808558+8011699(Top 46%)7353(Top 50%)7353(Top 380%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

10895

Males

8235

M50-54

8235

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

8600

Males

7111

M50-54

7111

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

10895

Males

8235

M50-54

8235

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15228

Males

10048

M50-54

10048

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

10731

Males

8060

M50-54

8060

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

15780

Males

10150

M50-54

10150

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

13749

Males

9018

M50-54

9018

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

18284

Males

10892

M50-54

10892

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

7922

Males

5773

M50-54

5773

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

16933

Males

10071

M50-54

10071

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13167

Males

8144

M50-54

8144

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12494

Males

7800

M50-54

7800

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16255

Males

9589

M50-54

9589

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6294

Males

4447

M50-54

4447

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

11699

Males

7353

M50-54

7353

Passing Analysis

Category:
Athletes Passed
1529
Passed By
5957
Net Change
-4430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8289
5K → 10K184308-124#8289#8413
10K → 15K39799-760#8413#9173
15K → 20K231872-1851#9173#11024
20K → Half4625+21#11024#11003
Half → 25K581012-954#11003#11957
25K → 30K183579-396#11957#12353
30K → 20M39621-582#12353#12935
20M → 21M3508+342#12935#12593
21M → 35K39216-177#12593#12770
35K → 23M123145-22#12770#12792
23M → 24M11570+45#12792#12747
24M → 40K55257-202#12747#12949
40K → 25.2M1450+145#12949#12804
25.2M → Finish13045+85#12804#12719
TOTALS15295957-4430
📊

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