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BOSTON MARATHON 2024

Derek Brozowski

Bib: 29616•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
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
29:45
Rank: #21945
Start → 5K
29:45 | 9:35/mi
10K· 6.21 mi
59:06
Rank: #21560 (+385)
5K → 10K
29:21 | 9:27/mi
15K· 9.32 mi
1:26:51
Rank: #20700 (+860)
10K → 15K
27:45 | 8:56/mi
20K· 12.43 mi
1:54:30
Rank: #19790 (+910)
15K → 20K
27:39 | 8:54/mi
Half· 13.11 mi
2:00:24
Rank: #19657 (+133)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:22:33
Rank: #19066 (+591)
Half → 25K
22:09 | 9:08/mi
30K· 18.64 mi
2:51:49
Rank: #18330 (+736)
25K → 30K
29:16 | 9:25/mi
20M
3:04:56
Rank: #18093 (+237)
30K → 20M
13:07 | 9:39/mi
21M
3:15:06
Rank: #17816 (+277)
20M → 21M
10:10 | 10:10/mi
35K· 21.75 mi
3:22:33
Rank: #17781 (+35)
21M → 35K
7:27 | 9:57/mi
23M
3:35:22
Rank: #17663 (+118)
35K → 23M
12:49 | 10:14/mi
24M
3:45:54
Rank: #17682 (-19)
23M → 24M
10:32 | 10:32/mi
40K· 24.85 mi
3:54:41
Rank: #17601 (+81)
24M → 40K
8:47 | 10:16/mi
25.2M
3:58:27
Rank: #17530 (+71)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:07:57
Rank: #17425 (+105)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:24
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:07:33
Pace9:44 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5829:459:3529:45
9:35
-
10K
6.21 mi12:22:1959:069:3129:21
9:27
-0:08
15K
9.32 mi12:50:041:26:519:1927:45
8:56
-0:31
20K
12.43 mi13:17:431:54:309:1327:39
8:54
-0:02
Half
13.11 mi13:23:372:00:249:115:54
8:39
-0:15
25K
15.53 mi13:45:462:22:339:1122:09
9:08
+0:29
30K
18.64 mi14:15:022:51:499:1329:16
9:25
+0:17
20M
20.00 mi14:28:093:04:569:1513:07
9:39
+0:14
21M
21.00 mi14:38:193:15:069:1710:10
10:10
+0:31
35K
21.75 mi14:45:463:22:339:197:27
9:57
-0:13
23M
23.00 mi14:58:353:35:229:2212:49
10:14
+0:17
24M
24.00 mi15:09:073:45:549:2510:32
10:32
+0:18
40K
24.85 mi15:17:543:54:419:278:47
10:16
-0:16
25.2M
25.20 mi15:21:403:58:279:283:46
10:55
+0:39
Finish
26.22 mi15:31:104:07:579:289:30
9:19
-1:36

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

8:39 /mi

Average Pace

9:28 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:27

34% of race

Time at Steady Pace

1:50:59

45% of race

Time at Slower Pace

53:31

22% of race

Average Pace: 9:27 /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 mi11:52:5829:459:3529:45
9:35
#21945
10K
6.21 mi12:22:1959:069:3129:21
9:27
#21560
15K
9.32 mi12:50:041:26:519:1927:45
8:56
#20700
20K
12.43 mi13:17:431:54:309:1327:39
8:54
#19790
Half
13.11 mi13:23:372:00:249:115:54
8:39
#19657
25K
15.53 mi13:45:462:22:339:1122:09
9:08
#19066
30K
18.64 mi14:15:022:51:499:1329:16
9:25
#18330
20M
20.00 mi14:28:093:04:569:1513:07
9:39
#18093
21M
21.00 mi14:38:193:15:069:1710:10
10:10
#17816
35K
21.75 mi14:45:463:22:339:197:27
9:57
#17781
23M
23.00 mi14:58:353:35:229:2212:49
10:14
#17663
24M
24.00 mi15:09:073:45:549:2510:32
10:32
#17682
40K
24.85 mi15:17:543:54:419:278:47
10:16
#17601
25.2M
25.20 mi15:21:403:58:279:283:46
10:55
#17530
Finish
26.22 mi15:31:104:07:579:289:30
9:19
#17425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21945130201302018583(Top 73%)11524(Top 79%)11524(Top 238%)
10K6.21 mi3.10 mi21560+38512833+18712833+18721207(Top 83%)12677(Top 87%)12677(Top 261%)
15K9.32 mi3.11 mi20700+86012464+36912464+36918583(Top 73%)11524(Top 79%)11524(Top 238%)
20K12.43 mi3.11 mi19790+91012039+42512039+42516879(Top 66%)10743(Top 74%)10743(Top 222%)
Half13.11 mi0.68 mi19657+13311973+6611973+6616511(Top 65%)10541(Top 72%)10541(Top 217%)
25K15.53 mi2.42 mi19066+59111681+29211681+29216143(Top 63%)10307(Top 71%)10307(Top 213%)
30K18.64 mi3.11 mi18330+73611275+40611275+40615126(Top 59%)9610(Top 66%)9610(Top 198%)
20M20.00 mi1.36 mi18093+23711140+13511140+13515157(Top 59%)9373(Top 64%)9373(Top 193%)
21M21.00 mi1.00 mi17816+27710979+16110979+16113604(Top 53%)8481(Top 58%)8481(Top 175%)
35K21.75 mi0.75 mi17781+3510950+2910950+2916997(Top 67%)10108(Top 69%)10108(Top 208%)
23M23.00 mi1.25 mi17663+11810881+6910881+6916229(Top 64%)9685(Top 66%)9685(Top 200%)
24M24.00 mi1.00 mi17682-1910865+1610865+1617935(Top 70%)10464(Top 72%)10464(Top 216%)
40K24.85 mi0.85 mi17601+8110798+6710798+6715952(Top 62%)9444(Top 65%)9444(Top 195%)
25.2M25.20 mi0.35 mi17530+7110748+5010748+5014224(Top 56%)8536(Top 59%)8536(Top 176%)
Finish26.22 mi1.02 mi17425+10510676+7210676+7215715(Top 62%)9311(Top 64%)9311(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

18583

Males

11524

M18-39

11524

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

21207

Males

12677

M18-39

12677

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

18583

Males

11524

M18-39

11524

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

16879

Males

10743

M18-39

10743

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

16511

Males

10541

M18-39

10541

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16143

Males

10307

M18-39

10307

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15126

Males

9610

M18-39

9610

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15157

Males

9373

M18-39

9373

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

13604

Males

8481

M18-39

8481

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

16997

Males

10108

M18-39

10108

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16229

Males

9685

M18-39

9685

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

17935

Males

10464

M18-39

10464

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15952

Males

9444

M18-39

9444

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14224

Males

8536

M18-39

8536

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

15715

Males

9311

M18-39

9311

Passing Analysis

Category:
Athletes Passed
4845
Passed By
325
Net Change
+4520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21945
5K → 10K47388+385#21945#21560
10K → 15K8600+860#21560#20700
15K → 20K9133+910#20700#19790
20K → Half1330+133#19790#19657
Half → 25K5976+591#19657#19066
25K → 30K7415+736#19066#18330
30K → 20M2458+237#18330#18093
20M → 21M2836+277#18093#17816
21M → 35K6934+35#17816#17781
35K → 23M17355+118#17781#17663
23M → 24M6180-19#17663#17682
24M → 40K9918+81#17682#17601
40K → 25.2M776+71#17601#17530
25.2M → Finish12116+105#17530#17425
TOTALS4845325+4520
📊

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