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BOSTON MARATHON 2024

Bryan Seifarth

Bib: 7491•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 26%
Gender (Male)
#0 / 14578
Top 37%
Masters (Masters Men)
#0 / 9729
Top 26%
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:26
Rank: #6352
Start → 5K
21:26 | 6:54/mi
10K· 6.21 mi
42:53
Rank: #6175 (+177)
5K → 10K
21:27 | 6:54/mi
15K· 9.32 mi
1:04:40
Rank: #6190 (-15)
10K → 15K
21:47 | 7:01/mi
20K· 12.43 mi
1:26:33
Rank: #5956 (+234)
15K → 20K
21:53 | 7:03/mi
Half· 13.11 mi
1:31:23
Rank: #5944 (+12)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:49:17
Rank: #5924 (+20)
Half → 25K
17:54 | 7:23/mi
30K· 18.64 mi
2:13:37
Rank: #5972 (-48)
25K → 30K
24:20 | 7:50/mi
20M
2:24:39
Rank: #6006 (-34)
30K → 20M
11:02 | 8:07/mi
21M
2:34:00
Rank: #6162 (-156)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
2:40:13
Rank: #6236 (-74)
21M → 35K
6:13 | 8:19/mi
23M
2:51:18
Rank: #6377 (-141)
35K → 23M
11:05 | 8:51/mi
24M
3:00:05
Rank: #6509 (-132)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:07:36
Rank: #6578 (-69)
24M → 40K
7:31 | 8:47/mi
25.2M
3:10:43
Rank: #6555 (+23)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:18:31
Rank: #6522 (+33)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:23
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:47:08
Pace8:10 /mi
📊Positive Split: 17.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:1021:266:5421:26
6:54
-
10K
6.21 mi10:49:3742:536:5421:27
6:54
0:00
15K
9.32 mi11:11:241:04:406:5621:47
7:01
+0:07
20K
12.43 mi11:33:171:26:336:5821:53
7:03
+0:02
Half
13.11 mi11:38:071:31:236:584:50
7:05
+0:02
25K
15.53 mi11:56:011:49:177:0217:54
7:23
+0:18
30K
18.64 mi12:20:212:13:377:1024:20
7:50
+0:27
20M
20.00 mi12:31:232:24:397:1411:02
8:07
+0:17
21M
21.00 mi12:40:442:34:007:209:21
9:21
+1:14
35K
21.75 mi12:46:572:40:137:226:13
8:19
-1:02
23M
23.00 mi12:58:022:51:187:2711:05
8:51
+0:32
24M
24.00 mi13:06:493:00:057:308:47
8:47
-0:04
40K
24.85 mi13:14:203:07:367:337:31
8:47
0:00
25.2M
25.20 mi13:17:273:10:437:343:07
9:02
+0:15
Finish
26.22 mi13:25:153:18:317:357:48
7:39
-1:23

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

6:54 /mi

Average Pace

7:35 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:17

55% of race

Time at Steady Pace

43:10

22% of race

Time at Slower Pace

46:04

23% of race

Average Pace: 7:34 /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 mi10:28:1021:266:5421:26
6:54
#6352
10K
6.21 mi10:49:3742:536:5421:27
6:54
#6175
15K
9.32 mi11:11:241:04:406:5621:47
7:01
#6190
20K
12.43 mi11:33:171:26:336:5821:53
7:03
#5956
Half
13.11 mi11:38:071:31:236:584:50
7:05
#5944
25K
15.53 mi11:56:011:49:177:0217:54
7:23
#5924
30K
18.64 mi12:20:212:13:377:1024:20
7:50
#5972
20M
20.00 mi12:31:232:24:397:1411:02
8:07
#6006
21M
21.00 mi12:40:442:34:007:209:21
9:21
#6162
35K
21.75 mi12:46:572:40:137:226:13
8:19
#6236
23M
23.00 mi12:58:022:51:187:2711:05
8:51
#6377
24M
24.00 mi13:06:493:00:057:308:47
8:47
#6509
40K
24.85 mi13:14:203:07:367:337:31
8:47
#6578
25.2M
25.20 mi13:17:273:10:437:343:07
9:02
#6555
Finish
26.22 mi13:25:153:18:317:357:48
7:39
#6522
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6352569956996286(Top 25%)5594(Top 38%)5594(Top 278%)
10K6.21 mi3.10 mi6175+1775557+1425557+1426030(Top 24%)5430(Top 37%)5430(Top 270%)
15K9.32 mi3.11 mi6190-155566-95566-96286(Top 25%)5594(Top 38%)5594(Top 278%)
20K12.43 mi3.11 mi5956+2345362+2045362+2045493(Top 21%)4954(Top 34%)4954(Top 247%)
Half13.11 mi0.68 mi5944+125350+125350+126238(Top 24%)5486(Top 38%)5486(Top 273%)
25K15.53 mi2.42 mi5924+205304+465304+466302(Top 25%)5382(Top 37%)5382(Top 268%)
30K18.64 mi3.11 mi5972-485275+295275+296898(Top 27%)5568(Top 38%)5568(Top 277%)
20M20.00 mi1.36 mi6006-345267+85267+87392(Top 29%)5663(Top 39%)5663(Top 282%)
21M21.00 mi1.00 mi6162-1565352-855352-8510152(Top 40%)6814(Top 47%)6814(Top 339%)
35K21.75 mi0.75 mi6236-745371-195371-199583(Top 38%)6541(Top 45%)6541(Top 326%)
23M23.00 mi1.25 mi6377-1415430-595430-5910352(Top 41%)6743(Top 46%)6743(Top 336%)
24M24.00 mi1.00 mi6509-1325478-485478-4811000(Top 43%)7043(Top 48%)7043(Top 351%)
40K24.85 mi0.85 mi6578-695470+85470+89813(Top 38%)6299(Top 43%)6299(Top 314%)
25.2M25.20 mi0.35 mi6555+235445+255445+256662(Top 26%)4633(Top 32%)4633(Top 231%)
Finish26.22 mi1.02 mi6522+335387+585387+586450(Top 25%)4573(Top 31%)4573(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6286

Males

5594

M40-44

5594

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6030

Males

5430

M40-44

5430

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6286

Males

5594

M40-44

5594

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5493

Males

4954

M40-44

4954

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6238

Males

5486

M40-44

5486

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6302

Males

5382

M40-44

5382

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

6898

Males

5568

M40-44

5568

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7392

Males

5663

M40-44

5663

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10152

Males

6814

M40-44

6814

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

9583

Males

6541

M40-44

6541

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10352

Males

6743

M40-44

6743

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11000

Males

7043

M40-44

7043

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

9813

Males

6299

M40-44

6299

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6662

Males

4633

M40-44

4633

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6450

Males

4573

M40-44

4573

Passing Analysis

Category:
Athletes Passed
1613
Passed By
1783
Net Change
-170
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6352
5K → 10K277100+177#6352#6175
10K → 15K140155-15#6175#6190
15K → 20K27642+234#6190#5956
20K → Half3725+12#5956#5944
Half → 25K165145+20#5944#5924
25K → 30K187235-48#5924#5972
30K → 20M92126-34#5972#6006
20M → 21M62218-156#6006#6162
21M → 35K53127-74#6162#6236
35K → 23M77218-141#6236#6377
23M → 24M42174-132#6377#6509
24M → 40K76145-69#6509#6578
40K → 25.2M4219+23#6578#6555
25.2M → Finish8754+33#6555#6522
TOTALS16131783-170
📊

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