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BOSTON MARATHON 2024

Brendan Brethel

Bib: 3983•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 29%
Gender (Male)
#0 / 14578
Top 41%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:17
Rank: #1669
Start → 5K
19:17 | 6:12/mi
10K· 6.21 mi
38:26
Rank: #1483 (+186)
5K → 10K
19:09 | 6:10/mi
15K· 9.32 mi
57:40
Rank: #1436 (+47)
10K → 15K
19:14 | 6:11/mi
20K· 12.43 mi
1:17:33
Rank: #1475 (-39)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:21:48
Rank: #1466 (+9)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:39:17
Rank: #1942 (-476)
Half → 25K
17:29 | 7:13/mi
30K· 18.64 mi
2:06:51
Rank: #3736 (-1794)
25K → 30K
27:34 | 8:52/mi
20M
2:22:32
Rank: #5398 (-1662)
30K → 20M
15:41 | 11:32/mi
21M
2:32:06
Rank: #5637 (-239)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
2:39:56
Rank: #6150 (-513)
21M → 35K
7:50 | 10:28/mi
23M
2:52:35
Rank: #6727 (-577)
35K → 23M
12:39 | 10:06/mi
24M
3:02:45
Rank: #7271 (-544)
23M → 24M
10:10 | 10:10/mi
40K· 24.85 mi
3:10:56
Rank: #7499 (-228)
24M → 40K
8:11 | 9:34/mi
25.2M
3:14:16
Rank: #7499
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:22:33
Rank: #7527 (-28)
25.2M → Finish
8:17 | 8:08/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:48
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time2:00:45
Pace9:13 /mi
📊Positive Split: 47.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5619:176:1219:17
6:12
-
10K
6.21 mi10:41:0538:266:1119:09
6:10
-0:02
15K
9.32 mi11:00:1957:406:1119:14
6:11
+0:01
20K
12.43 mi11:20:121:17:336:1419:53
6:24
+0:13
Half
13.11 mi11:24:271:21:486:144:15
6:14
-0:10
25K
15.53 mi11:41:561:39:176:2317:29
7:13
+0:59
30K
18.64 mi12:09:302:06:516:4827:34
8:52
+1:39
20M
20.00 mi12:25:112:22:327:0815:41
11:32
+2:40
21M
21.00 mi12:34:452:32:067:159:34
9:34
-1:58
35K
21.75 mi12:42:352:39:567:217:50
10:28
+0:54
23M
23.00 mi12:55:142:52:357:3012:39
10:06
-0:22
24M
24.00 mi13:05:243:02:457:3710:10
10:10
+0:04
40K
24.85 mi13:13:353:10:567:418:11
9:34
-0:36
25.2M
25.20 mi13:16:553:14:167:433:20
9:40
+0:06
Finish
26.22 mi13:25:123:22:337:448:17
8:08
-1:32

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

6:10 /mi

Average Pace

7:44 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:39:17

49% of race

Time at Steady Pace

56:56

28% of race

Time at Slower Pace

46:20

23% of race

Average Pace: 7:44 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:5619:176:1219:17
6:12
#1669
10K
6.21 mi10:41:0538:266:1119:09
6:10
#1483
15K
9.32 mi11:00:1957:406:1119:14
6:11
#1436
20K
12.43 mi11:20:121:17:336:1419:53
6:24
#1475
Half
13.11 mi11:24:271:21:486:144:15
6:14
#1466
25K
15.53 mi11:41:561:39:176:2317:29
7:13
#1942
30K
18.64 mi12:09:302:06:516:4827:34
8:52
#3736
20M
20.00 mi12:25:112:22:327:0815:41
11:32
#5398
21M
21.00 mi12:34:452:32:067:159:34
9:34
#5637
35K
21.75 mi12:42:352:39:567:217:50
10:28
#6150
23M
23.00 mi12:55:142:52:357:3012:39
10:06
#6727
24M
24.00 mi13:05:243:02:457:3710:10
10:10
#7271
40K
24.85 mi13:13:353:10:567:418:11
9:34
#7499
25.2M
25.20 mi13:16:553:14:167:433:20
9:40
#7499
Finish
26.22 mi13:25:123:22:337:448:17
8:08
#7527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1669161116111351(Top 5%)1311(Top 9%)1311(Top 27%)
10K6.21 mi3.10 mi1483+1861435+1761435+1761385(Top 5%)1344(Top 9%)1344(Top 28%)
15K9.32 mi3.11 mi1436+471393+421393+421351(Top 5%)1311(Top 9%)1311(Top 27%)
20K12.43 mi3.11 mi1475-391429-361429-361741(Top 7%)1679(Top 12%)1679(Top 35%)
Half13.11 mi0.68 mi1466+91420+91420+91461(Top 6%)1416(Top 10%)1416(Top 29%)
25K15.53 mi2.42 mi1942-4761879-4591879-4595377(Top 21%)4764(Top 33%)4764(Top 98%)
30K18.64 mi3.11 mi3736-17943506-16273506-162712575(Top 49%)8500(Top 58%)8500(Top 175%)
20M20.00 mi1.36 mi5398-16624837-13314837-133120473(Top 80%)11949(Top 82%)11949(Top 246%)
21M21.00 mi1.00 mi5637-2394975-1384975-13811121(Top 44%)7279(Top 50%)7279(Top 150%)
35K21.75 mi0.75 mi6150-5135313-3385313-33818477(Top 72%)10856(Top 74%)10856(Top 224%)
23M23.00 mi1.25 mi6727-5775652-3395652-33915788(Top 62%)9458(Top 65%)9458(Top 195%)
24M24.00 mi1.00 mi7271-5445946-2945946-29416844(Top 66%)9935(Top 68%)9935(Top 205%)
40K24.85 mi0.85 mi7499-2286032-866032-8613360(Top 52%)8102(Top 56%)8102(Top 167%)
25.2M25.20 mi0.35 mi74996001+316001+319379(Top 37%)6010(Top 41%)6010(Top 124%)
Finish26.22 mi1.02 mi7527-285976+255976+259335(Top 37%)6107(Top 42%)6107(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1351

Males

1311

M18-39

1311

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1385

Males

1344

M18-39

1344

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1351

Males

1311

M18-39

1311

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1741

Males

1679

M18-39

1679

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1461

Males

1416

M18-39

1416

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5377

Males

4764

M18-39

4764

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12575

Males

8500

M18-39

8500

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

20473

Males

11949

M18-39

11949

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11121

Males

7279

M18-39

7279

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

18477

Males

10856

M18-39

10856

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

15788

Males

9458

M18-39

9458

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

16844

Males

9935

M18-39

9935

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13360

Males

8102

M18-39

8102

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9379

Males

6010

M18-39

6010

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9335

Males

6107

M18-39

6107

Passing Analysis

Category:
Athletes Passed
632
Passed By
6490
Net Change
-5858
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1669
5K → 10K20620+186#1669#1483
10K → 15K7730+47#1483#1436
15K → 20K4685-39#1436#1475
20K → Half167+9#1475#1466
Half → 25K12488-476#1466#1942
25K → 30K111805-1794#1942#3736
30K → 20M41666-1662#3736#5398
20M → 21M39278-239#5398#5637
21M → 35K15528-513#5637#6150
35K → 23M27604-577#6150#6727
23M → 24M22566-544#6727#7271
24M → 40K31259-228#7271#7499
40K → 25.2M46460#7499#7499
25.2M → Finish80108-28#7499#7527
TOTALS6326490-5858
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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