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BOSTON MARATHON 2024

Alec Shilstone

Bib: 2322•M

NY

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 2%
Gender (Male)
#0 / 14578
Top 4%
Division (M18-39)
#0 / 4849
Top 10%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:11
Rank: #594
Start → 5K
18:11 | 5:51/mi
10K· 6.21 mi
36:35
Rank: #633 (-39)
5K → 10K
18:24 | 5:55/mi
15K· 9.32 mi
55:01
Rank: #619 (+14)
10K → 15K
18:26 | 5:56/mi
20K· 12.43 mi
1:13:24
Rank: #553 (+66)
15K → 20K
18:23 | 5:55/mi
Half· 13.11 mi
1:17:23
Rank: #545 (+8)
20K → Half
3:59 | 5:50/mi
25K· 15.53 mi
1:31:54
Rank: #508 (+37)
Half → 25K
14:31 | 5:59/mi
30K· 18.64 mi
1:51:11
Rank: #477 (+31)
25K → 30K
19:17 | 6:12/mi
20M
1:59:50
Rank: #469 (+8)
30K → 20M
8:39 | 6:22/mi
21M
2:06:40
Rank: #468 (+1)
20M → 21M
6:50 | 6:50/mi
35K· 21.75 mi
2:11:18
Rank: #467 (+1)
21M → 35K
4:38 | 6:12/mi
23M
2:19:53
Rank: #488 (-21)
35K → 23M
8:35 | 6:51/mi
24M
2:26:54
Rank: #523 (-35)
23M → 24M
7:01 | 7:01/mi
40K· 24.85 mi
2:32:50
Rank: #551 (-28)
24M → 40K
5:56 | 6:56/mi
25.2M
2:35:32
Rank: #564 (-13)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:42:42
Rank: #616 (-52)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:23
Pace5:54 /mi
2nd Half
Distance13.11 mi
Time1:25:19
Pace6:30 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0718:115:5118:11
5:51
-
10K
6.21 mi10:37:3136:355:5318:24
5:55
+0:04
15K
9.32 mi10:55:5755:015:5418:26
5:56
+0:01
20K
12.43 mi11:14:201:13:245:5418:23
5:55
-0:01
Half
13.11 mi11:18:191:17:235:543:59
5:50
-0:05
25K
15.53 mi11:32:501:31:545:5514:31
5:59
+0:09
30K
18.64 mi11:52:071:51:115:5819:17
6:12
+0:13
20M
20.00 mi12:00:461:59:505:598:39
6:22
+0:10
21M
21.00 mi12:07:362:06:406:026:50
6:50
+0:28
35K
21.75 mi12:12:142:11:186:024:38
6:12
-0:38
23M
23.00 mi12:20:492:19:536:058:35
6:51
+0:39
24M
24.00 mi12:27:502:26:546:077:01
7:01
+0:10
40K
24.85 mi12:33:462:32:506:095:56
6:56
-0:05
25.2M
25.20 mi12:36:282:35:326:102:42
7:50
+0:54
Finish
26.22 mi12:43:382:42:426:137:10
7:02
-0:48

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

5:50 /mi

Average Pace

6:13 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:10

14% of race

Time at Steady Pace

1:42:18

63% of race

Time at Slower Pace

38:14

23% of race

Average Pace: 6:12 /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 mi10:19:0718:115:5118:11
5:51
#594
10K
6.21 mi10:37:3136:355:5318:24
5:55
#633
15K
9.32 mi10:55:5755:015:5418:26
5:56
#619
20K
12.43 mi11:14:201:13:245:5418:23
5:55
#553
Half
13.11 mi11:18:191:17:235:543:59
5:50
#545
25K
15.53 mi11:32:501:31:545:5514:31
5:59
#508
30K
18.64 mi11:52:071:51:115:5819:17
6:12
#477
20M
20.00 mi12:00:461:59:505:598:39
6:22
#469
21M
21.00 mi12:07:362:06:406:026:50
6:50
#468
35K
21.75 mi12:12:142:11:186:024:38
6:12
#467
23M
23.00 mi12:20:492:19:536:058:35
6:51
#488
24M
24.00 mi12:27:502:26:546:077:01
7:01
#523
40K
24.85 mi12:33:462:32:506:095:56
6:56
#551
25.2M
25.20 mi12:36:282:35:326:102:42
7:50
#564
Finish
26.22 mi12:43:382:42:426:137:10
7:02
#616
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi594568568611(Top 2%)589(Top 4%)589(Top 12%)
10K6.21 mi3.10 mi633-39608-40608-40674(Top 3%)649(Top 4%)649(Top 13%)
15K9.32 mi3.11 mi619+14596+12596+12611(Top 2%)589(Top 4%)589(Top 12%)
20K12.43 mi3.11 mi553+66531+65531+65433(Top 2%)411(Top 3%)411(Top 8%)
Half13.11 mi0.68 mi545+8523+8523+8455(Top 2%)433(Top 3%)433(Top 9%)
25K15.53 mi2.42 mi508+37486+37486+37446(Top 2%)423(Top 3%)423(Top 9%)
30K18.64 mi3.11 mi477+31454+32454+32488(Top 2%)460(Top 3%)460(Top 9%)
20M20.00 mi1.36 mi469+8445+9445+9609(Top 2%)578(Top 4%)578(Top 12%)
21M21.00 mi1.00 mi468+1444+1444+1755(Top 3%)713(Top 5%)713(Top 15%)
35K21.75 mi0.75 mi467+1443+1443+1613(Top 2%)578(Top 4%)578(Top 12%)
23M23.00 mi1.25 mi488-21462-19462-191452(Top 6%)1361(Top 9%)1361(Top 28%)
24M24.00 mi1.00 mi523-35494-32494-322360(Top 9%)2103(Top 14%)2103(Top 43%)
40K24.85 mi0.85 mi551-28522-28522-281668(Top 7%)1514(Top 10%)1514(Top 31%)
25.2M25.20 mi0.35 mi564-13535-13535-132196(Top 9%)1920(Top 13%)1920(Top 40%)
Finish26.22 mi1.02 mi616-52587-52587-523240(Top 13%)2683(Top 18%)2683(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

611

Males

589

M18-39

589

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

674

Males

649

M18-39

649

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

611

Males

589

M18-39

589

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

433

Males

411

M18-39

411

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

455

Males

433

M18-39

433

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

446

Males

423

M18-39

423

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

488

Males

460

M18-39

460

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

609

Males

578

M18-39

578

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

755

Males

713

M18-39

713

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

613

Males

578

M18-39

578

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1452

Males

1361

M18-39

1361

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2360

Males

2103

M18-39

2103

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1668

Males

1514

M18-39

1514

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2196

Males

1920

M18-39

1920

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3240

Males

2683

M18-39

2683

Passing Analysis

Category:
Athletes Passed
294
Passed By
316
Net Change
-22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#594
5K → 10K1857-39#594#633
10K → 15K2713+14#633#619
15K → 20K682+66#619#553
20K → Half113+8#553#545
Half → 25K447+37#545#508
25K → 30K5019+31#508#477
30K → 20M2214+8#477#469
20M → 21M1514+1#469#468
21M → 35K109+1#468#467
35K → 23M1334-21#467#488
23M → 24M540-35#488#523
24M → 40K735-28#523#551
40K → 25.2M316-13#551#564
25.2M → Finish153-52#564#616
TOTALS294316-22
📊

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