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BOSTON MARATHON 2024

Jay Alexander

Bib: 3860•M

KS

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 22%
Gender (Male)
#0 / 14578
Top 34%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #5266
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
41:48
Rank: #4783 (+483)
5K → 10K
20:49 | 6:42/mi
15K· 9.32 mi
1:02:35
Rank: #4443 (+340)
10K → 15K
20:47 | 6:41/mi
20K· 12.43 mi
1:23:46
Rank: #4259 (+184)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:28:18
Rank: #4205 (+54)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:45:08
Rank: #4136 (+69)
Half → 25K
16:50 | 6:57/mi
30K· 18.64 mi
2:08:03
Rank: #4213 (-77)
25K → 30K
22:55 | 7:23/mi
20M
2:18:31
Rank: #4274 (-61)
30K → 20M
10:28 | 7:42/mi
21M
2:26:48
Rank: #4260 (+14)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:32:31
Rank: #4273 (-13)
21M → 35K
5:43 | 7:38/mi
23M
2:42:36
Rank: #4293 (-20)
35K → 23M
10:05 | 8:03/mi
24M
2:52:10
Rank: #4663 (-370)
23M → 24M
9:34 | 9:34/mi
40K· 24.85 mi
3:02:30
Rank: #5368 (-705)
24M → 40K
10:20 | 12:05/mi
25.2M
3:05:51
Rank: #5420 (-52)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:15:14
Rank: #5742 (-322)
25.2M → Finish
9:23 | 9:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:18
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:46:56
Pace8:09 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1920:596:4520:59
6:45
-
10K
6.21 mi10:44:0841:486:4420:49
6:42
-0:03
15K
9.32 mi11:04:551:02:356:4320:47
6:41
-0:01
20K
12.43 mi11:26:061:23:466:4421:11
6:49
+0:08
Half
13.11 mi11:30:381:28:186:444:32
6:39
-0:10
25K
15.53 mi11:47:281:45:086:4616:50
6:57
+0:18
30K
18.64 mi12:10:232:08:036:5222:55
7:23
+0:26
20M
20.00 mi12:20:512:18:316:5610:28
7:42
+0:19
21M
21.00 mi12:29:082:26:486:598:17
8:17
+0:35
35K
21.75 mi12:34:512:32:317:015:43
7:38
-0:39
23M
23.00 mi12:44:562:42:367:0410:05
8:03
+0:25
24M
24.00 mi12:54:302:52:107:109:34
9:34
+1:31
40K
24.85 mi13:04:503:02:307:2110:20
12:05
+2:31
25.2M
25.20 mi13:08:113:05:517:233:21
9:43
-2:22
Finish
26.22 mi13:17:343:15:147:279:23
9:12
-0:31

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

6:39 /mi

Average Pace

7:27 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:18

45% of race

Time at Steady Pace

1:14:18

38% of race

Time at Slower Pace

32:38

17% of race

Average Pace: 7:27 /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 mi10:23:1920:596:4520:59
6:45
#5266
10K
6.21 mi10:44:0841:486:4420:49
6:42
#4783
15K
9.32 mi11:04:551:02:356:4320:47
6:41
#4443
20K
12.43 mi11:26:061:23:466:4421:11
6:49
#4259
Half
13.11 mi11:30:381:28:186:444:32
6:39
#4205
25K
15.53 mi11:47:281:45:086:4616:50
6:57
#4136
30K
18.64 mi12:10:232:08:036:5222:55
7:23
#4213
20M
20.00 mi12:20:512:18:316:5610:28
7:42
#4274
21M
21.00 mi12:29:082:26:486:598:17
8:17
#4260
35K
21.75 mi12:34:512:32:317:015:43
7:38
#4273
23M
23.00 mi12:44:562:42:367:0410:05
8:03
#4293
24M
24.00 mi12:54:302:52:107:109:34
9:34
#4663
40K
24.85 mi13:04:503:02:307:2110:20
12:05
#5368
25.2M
25.20 mi13:08:113:05:517:233:21
9:43
#5420
Finish
26.22 mi13:17:343:15:147:279:23
9:12
#5742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5266485648563862(Top 15%)3637(Top 25%)3637(Top 75%)
10K6.21 mi3.10 mi4783+4834459+3974459+3974323(Top 17%)4053(Top 28%)4053(Top 84%)
15K9.32 mi3.11 mi4443+3404153+3064153+3063862(Top 15%)3637(Top 25%)3637(Top 75%)
20K12.43 mi3.11 mi4259+1843984+1693984+1694017(Top 16%)3751(Top 26%)3751(Top 77%)
Half13.11 mi0.68 mi4205+543944+403944+403467(Top 14%)3285(Top 23%)3285(Top 68%)
25K15.53 mi2.42 mi4136+693875+693875+694055(Top 16%)3745(Top 26%)3745(Top 77%)
30K18.64 mi3.11 mi4213-773923-483923-484530(Top 18%)4017(Top 28%)4017(Top 83%)
20M20.00 mi1.36 mi4274-613956-333956-335207(Top 20%)4375(Top 30%)4375(Top 90%)
21M21.00 mi1.00 mi4260+143926+303926+305255(Top 21%)4261(Top 29%)4261(Top 88%)
35K21.75 mi0.75 mi4273-133922+43922+45766(Top 23%)4545(Top 31%)4545(Top 94%)
23M23.00 mi1.25 mi4293-203913+93913+96012(Top 24%)4543(Top 31%)4543(Top 94%)
24M24.00 mi1.00 mi4663-3704181-2684181-26814707(Top 58%)8866(Top 61%)8866(Top 183%)
40K24.85 mi0.85 mi5368-7054673-4924673-49220610(Top 81%)11755(Top 81%)11755(Top 242%)
25.2M25.20 mi0.35 mi5420-524696-234696-239590(Top 38%)6110(Top 42%)6110(Top 126%)
Finish26.22 mi1.02 mi5742-3224892-1964892-19615168(Top 59%)9051(Top 62%)9051(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3862

Males

3637

M18-39

3637

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4323

Males

4053

M18-39

4053

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3862

Males

3637

M18-39

3637

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4017

Males

3751

M18-39

3751

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3467

Males

3285

M18-39

3285

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4055

Males

3745

M18-39

3745

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4530

Males

4017

M18-39

4017

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5207

Males

4375

M18-39

4375

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5255

Males

4261

M18-39

4261

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

5766

Males

4545

M18-39

4545

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6012

Males

4543

M18-39

4543

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

14707

Males

8866

M18-39

8866

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

20610

Males

11755

M18-39

11755

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9590

Males

6110

M18-39

6110

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15168

Males

9051

M18-39

9051

Passing Analysis

Category:
Athletes Passed
1880
Passed By
2356
Net Change
-476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5266
5K → 10K51229+483#5266#4783
10K → 15K35515+340#4783#4443
15K → 20K24359+184#4443#4259
20K → Half584+54#4259#4205
Half → 25K15889+69#4205#4136
25K → 30K182259-77#4136#4213
30K → 20M80141-61#4213#4274
20M → 21M9985+14#4274#4260
21M → 35K4760-13#4260#4273
35K → 23M87107-20#4273#4293
23M → 24M13383-370#4293#4663
24M → 40K7712-705#4663#5368
40K → 25.2M2274-52#5368#5420
25.2M → Finish17339-322#5420#5742
TOTALS18802356-476
📊

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