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BOSTON MARATHON 2024

Marcin Aslanowicz

Bib: 11644•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 33%
Gender (Male)
#0 / 14578
Top 44%
Masters (Masters Men)
#0 / 9729
Top 34%
Division (M45-49)
#0 / 2218
Top 46%
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
7:27/mi
23:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:32/mi
1:09:54
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:33:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:38:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:56:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:21:48
↑ 181↓ 1480.2%
20M
8:25/mi
2:33:14
↑ 64↓ 500.2%
21M
9:32/mi
2:42:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:48:41
↑ 17↓ 861.7%
23M
7:59/mi
2:58:41
↑ 23↓ 630.6%
24M
8:32/mi
3:07:13
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:14:19
↓ 200.3%
25.2M
9:52/mi
3:17:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:46/mi
3:25:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:23
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:47:15
Pace8:11 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2823:097:2723:09
7:27
-
10K
6.21 mi11:13:5046:317:2923:22
7:31
+0:04
15K
9.32 mi11:37:131:09:547:3023:23
7:32
+0:01
20K
12.43 mi12:00:371:33:187:3023:24
7:32
0:00
Half
13.11 mi12:05:421:38:237:305:05
7:27
-0:05
25K
15.53 mi12:24:051:56:467:3118:23
7:35
+0:08
30K
18.64 mi12:49:072:21:487:3625:02
8:03
+0:28
20M
20.00 mi13:00:332:33:147:4011:26
8:25
+0:22
21M
21.00 mi13:10:052:42:467:459:32
9:32
+1:07
35K
21.75 mi13:16:002:48:417:455:55
7:55
-1:37
23M
23.00 mi13:26:002:58:417:4610:00
7:59
+0:04
24M
24.00 mi13:34:323:07:137:488:32
8:32
+0:33
40K
24.85 mi13:41:383:14:197:497:06
8:18
-0:14
25.2M
25.20 mi13:45:023:17:437:513:24
9:52
+1:34
Finish
26.22 mi13:52:573:25:387:517:55
7:46
-2:06

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

7:27 /mi

Average Pace

7:51 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:23

48% of race

Time at Steady Pace

1:07:15

33% of race

Time at Slower Pace

40:00

19% of race

Average Pace: 7:51 /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 mi10:50:2823:097:2723:09
7:27
#10339
10K
6.21 mi11:13:5046:317:2923:22
7:31
#10363
15K
9.32 mi11:37:131:09:547:3023:23
7:32
#10174
20K
12.43 mi12:00:371:33:187:3023:24
7:32
#9671
Half
13.11 mi12:05:421:38:237:305:05
7:27
#9619
25K
15.53 mi12:24:051:56:467:3118:23
7:35
#9208
30K
18.64 mi12:49:072:21:487:3625:02
8:03
#8913
20M
20.00 mi13:00:332:33:147:4011:26
8:25
#8851
21M
21.00 mi13:10:052:42:467:459:32
9:32
#8885
35K
21.75 mi13:16:002:48:417:455:55
7:55
#8787
23M
23.00 mi13:26:002:58:417:4610:00
7:59
#8500
24M
24.00 mi13:34:323:07:137:488:32
8:32
#8516
40K
24.85 mi13:41:383:14:197:497:06
8:18
#8411
25.2M
25.20 mi13:45:023:17:437:513:24
9:52
#8414
Finish
26.22 mi13:52:573:25:387:517:55
7:46
#8331
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10339812081209882(Top 39%)7735(Top 53%)7735(Top 349%)
10K6.21 mi3.10 mi10363-248090+308090+3010434(Top 41%)8087(Top 55%)8087(Top 365%)
15K9.32 mi3.11 mi10174+1897966+1247966+1249882(Top 39%)7735(Top 53%)7735(Top 349%)
20K12.43 mi3.11 mi9671+5037671+2957671+2958593(Top 34%)6950(Top 48%)6950(Top 313%)
Half13.11 mi0.68 mi9619+527634+377634+378698(Top 34%)7006(Top 48%)7006(Top 316%)
25K15.53 mi2.42 mi9208+4117386+2487386+2487521(Top 29%)6133(Top 42%)6133(Top 277%)
30K18.64 mi3.11 mi8913+2957117+2697117+2698196(Top 32%)6326(Top 43%)6326(Top 285%)
20M20.00 mi1.36 mi8851+627025+927025+928958(Top 35%)6496(Top 45%)6496(Top 293%)
21M21.00 mi1.00 mi8885-346977+486977+4810957(Top 43%)7198(Top 49%)7198(Top 325%)
35K21.75 mi0.75 mi8787+986890+876890+877203(Top 28%)5345(Top 37%)5345(Top 241%)
23M23.00 mi1.25 mi8500+2876672+2186672+2185679(Top 22%)4356(Top 30%)4356(Top 196%)
24M24.00 mi1.00 mi8516-166631+416631+419627(Top 38%)6352(Top 44%)6352(Top 286%)
40K24.85 mi0.85 mi8411+1056529+1026529+1027350(Top 29%)5026(Top 34%)5026(Top 227%)
25.2M25.20 mi0.35 mi8414-36505+246505+2410300(Top 40%)6503(Top 45%)6503(Top 293%)
Finish26.22 mi1.02 mi8331+836421+846421+847146(Top 28%)4946(Top 34%)4946(Top 223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

9882

Males

7735

M45-49

7735

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10434

Males

8087

M45-49

8087

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

9882

Males

7735

M45-49

7735

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

8593

Males

6950

M45-49

6950

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8698

Males

7006

M45-49

7006

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7521

Males

6133

M45-49

6133

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8196

Males

6326

M45-49

6326

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

8958

Males

6496

M45-49

6496

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

10957

Males

7198

M45-49

7198

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7203

Males

5345

M45-49

5345

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5679

Males

4356

M45-49

4356

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

9627

Males

6352

M45-49

6352

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7350

Males

5026

M45-49

5026

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10300

Males

6503

M45-49

6503

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7146

Males

4946

M45-49

4946

Passing Analysis

Category:
Athletes Passed
3082*
Passed By
1074
Net Change
+2008
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10339
5K → 10K261285-24#10339#10363
10K → 15K299110+189#10363#10174
15K → 20K528*25+503#10174#9671
20K → Half6311+52#9671#9619
Half → 25K42615+411#9619#9208
25K → 30K430135+295#9208#8913
30K → 20M14987+62#8913#8851
20M → 21M118152-34#8851#8885
21M → 35K11416+98#8885#8787
35K → 23M30215+287#8787#8500
23M → 24M96112-16#8500#8516
24M → 40K14035+105#8516#8411
40K → 25.2M4447-3#8411#8414
25.2M → Finish11229+83#8414#8331
TOTALS3082*1074+2008

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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