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BOSTON MARATHON 2024

David Seifert

Bib: 5067•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 12%
Gender (Male)
#0 / 14578
Top 20%
Masters (Masters Men)
#0 / 9729
Top 9%
Division (M40-44)
#0 / 2009
Top 25%
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
6:40/mi
20:44
↑ 97↓ 3451.5%
10K· 6.21 mi
6:48/mi
41:51
↑ 79↓ 1380.4%
15K· 9.32 mi
6:52/mi
1:03:10
↑ 67↓ 78
20K· 12.43 mi
6:55/mi
1:24:40
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:29:19
↑ 19↓ 370.5%
25K· 15.53 mi
6:56/mi
1:46:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:09/mi
2:08:21
↑ 181↓ 1480.2%
20M
7:18/mi
2:18:16
↑ 64↓ 500.2%
21M
7:32/mi
2:25:48
↑ 106↓ 241.6%
35K· 21.75 mi
6:34/mi
2:30:43
↑ 17↓ 861.7%
23M
7:02/mi
2:39:31
↑ 23↓ 630.6%
24M
6:42/mi
2:46:13
↓ 821.3%
40K· 24.85 mi
6:53/mi
2:52:06
↓ 200.3%
25.2M
7:32/mi
2:54:42
↑ 13↓ 160.2%
Finish· 26.22 mi
6:48/mi
3:01:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:19
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:32:19
Pace7:03 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2220:446:4020:44
6:40
-
10K
6.21 mi10:46:2941:516:4421:07
6:48
+0:08
15K
9.32 mi11:07:481:03:106:4721:19
6:52
+0:04
20K
12.43 mi11:29:181:24:406:4921:30
6:55
+0:03
Half
13.11 mi11:33:571:29:196:494:39
6:49
-0:06
25K
15.53 mi11:50:451:46:076:5016:48
6:56
+0:07
30K
18.64 mi12:12:592:08:216:5322:14
7:09
+0:13
20M
20.00 mi12:22:542:18:166:559:55
7:18
+0:09
21M
21.00 mi12:30:262:25:486:577:32
7:32
+0:14
35K
21.75 mi12:35:212:30:436:564:55
6:34
-0:58
23M
23.00 mi12:44:092:39:316:568:48
7:02
+0:28
24M
24.00 mi12:50:512:46:136:566:42
6:42
-0:20
40K
24.85 mi12:56:442:52:066:555:53
6:53
+0:11
25.2M
25.20 mi12:59:202:54:426:562:36
7:32
+0:39
Finish
26.22 mi13:06:163:01:386:566:56
6:48
-0:44

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

6:34 /mi

Average Pace

6:56 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:35

89% of race

Time at Steady Pace

20:03

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:25:2220:446:4020:44
6:40
#4601
10K
6.21 mi10:46:2941:516:4421:07
6:48
#4833
15K
9.32 mi11:07:481:03:106:4721:19
6:52
#4975
20K
12.43 mi11:29:181:24:406:4921:30
6:55
#4855
Half
13.11 mi11:33:571:29:196:494:39
6:49
#4833
25K
15.53 mi11:50:451:46:076:5016:48
6:56
#4579
30K
18.64 mi12:12:592:08:216:5322:14
7:09
#4323
20M
20.00 mi12:22:542:18:166:559:55
7:18
#4191
21M
21.00 mi12:30:262:25:486:577:32
7:32
#3970
35K
21.75 mi12:35:212:30:436:564:55
6:34
#3806
23M
23.00 mi12:44:092:39:316:568:48
7:02
#3586
24M
24.00 mi12:50:512:46:136:566:42
6:42
#3418
40K
24.85 mi12:56:442:52:066:555:53
6:53
#3287
25.2M
25.20 mi12:59:202:54:426:562:36
7:32
#3235
Finish
26.22 mi13:06:163:01:386:566:56
6:48
#3130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4601430243025257(Top 21%)4811(Top 33%)4811(Top 239%)
10K6.21 mi3.10 mi4833-2324493-1914493-1915141(Top 20%)4745(Top 33%)4745(Top 236%)
15K9.32 mi3.11 mi4975-1424607-1144607-1145257(Top 21%)4811(Top 33%)4811(Top 239%)
20K12.43 mi3.11 mi4855+1204499+1084499+1084749(Top 19%)4360(Top 30%)4360(Top 217%)
Half13.11 mi0.68 mi4833+224477+224477+224545(Top 18%)4183(Top 29%)4183(Top 208%)
25K15.53 mi2.42 mi4579+2544253+2244253+2243950(Top 15%)3654(Top 25%)3654(Top 182%)
30K18.64 mi3.11 mi4323+2564004+2494004+2493595(Top 14%)3281(Top 23%)3281(Top 163%)
20M20.00 mi1.36 mi4191+1323886+1183886+1183527(Top 14%)3186(Top 22%)3186(Top 159%)
21M21.00 mi1.00 mi3970+2213682+2043682+2042606(Top 10%)2371(Top 16%)2371(Top 118%)
35K21.75 mi0.75 mi3806+1643536+1463536+1461485(Top 6%)1397(Top 10%)1397(Top 70%)
23M23.00 mi1.25 mi3586+2203326+2103326+2102042(Top 8%)1868(Top 13%)1868(Top 93%)
24M24.00 mi1.00 mi3418+1683173+1533173+1531389(Top 5%)1292(Top 9%)1292(Top 64%)
40K24.85 mi0.85 mi3287+1313052+1213052+1211546(Top 6%)1416(Top 10%)1416(Top 70%)
25.2M25.20 mi0.35 mi3235+523004+483004+481544(Top 6%)1402(Top 10%)1402(Top 70%)
Finish26.22 mi1.02 mi3130+1052902+1022902+1022353(Top 9%)2039(Top 14%)2039(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5257

Males

4811

M40-44

4811

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5141

Males

4745

M40-44

4745

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5257

Males

4811

M40-44

4811

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

4749

Males

4360

M40-44

4360

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4545

Males

4183

M40-44

4183

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

3950

Males

3654

M40-44

3654

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3595

Males

3281

M40-44

3281

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3527

Males

3186

M40-44

3186

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2606

Males

2371

M40-44

2371

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1485

Males

1397

M40-44

1397

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2042

Males

1868

M40-44

1868

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1389

Males

1292

M40-44

1292

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1546

Males

1416

M40-44

1416

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1544

Males

1402

M40-44

1402

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2353

Males

2039

M40-44

2039

Passing Analysis

Category:
Athletes Passed
2327
Passed By
856
Net Change
+1471
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4601
5K → 10K107339-232#4601#4833
10K → 15K103245-142#4833#4975
15K → 20K21696+120#4975#4855
20K → Half3513+22#4855#4833
Half → 25K29238+254#4833#4579
25K → 30K33478+256#4579#4323
30K → 20M16129+132#4323#4191
20M → 21M2276+221#4191#3970
21M → 35K1640+164#3970#3806
35K → 23M2233+220#3806#3586
23M → 24M1691+168#3586#3418
24M → 40K1310+131#3418#3287
40K → 25.2M542+52#3287#3235
25.2M → Finish1116+105#3235#3130
TOTALS2327856+1471
📊

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