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BOSTON MARATHON 2024

David Carlsson

Bib: 27238•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M40-44)
#0 / 2009
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
11:56/mi
37:05
↑ 97↓ 3451.5%
10K· 6.21 mi
12:09/mi
1:14:51
↑ 79↓ 1380.4%
15K· 9.32 mi
12:03/mi
1:52:18
↑ 67↓ 78
20K· 12.43 mi
12:49/mi
2:32:06
↑ 106↓ 860.1%
Half· 13.11 mi
12:07/mi
2:40:22
↑ 19↓ 370.5%
25K· 15.53 mi
13:50/mi
3:13:55
↑ 66↓ 880.2%
30K· 18.64 mi
14:33/mi
3:59:08
↑ 181↓ 1480.2%
20M
17:50/mi
4:23:22
↑ 64↓ 500.2%
21M
14:15/mi
4:37:37
↑ 106↓ 241.6%
35K· 21.75 mi
12:25/mi
4:46:54
↑ 17↓ 861.7%
23M
13:57/mi
5:04:22
↑ 23↓ 630.6%
24M
13:24/mi
5:17:46
↓ 821.3%
40K· 24.85 mi
14:35/mi
5:30:14
↓ 200.3%
25.2M
14:33/mi
5:35:15
↑ 13↓ 160.2%
Finish· 26.22 mi
12:38/mi
5:48:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:40:22
Pace12:14 /mi
2nd Half
Distance13.11 mi
Time3:07:45
Pace14:19 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:5937:0511:5637:05
11:56
-
10K
6.21 mi12:34:451:14:5112:0337:46
12:09
+0:13
15K
9.32 mi13:12:121:52:1812:0337:27
12:03
-0:06
20K
12.43 mi13:52:002:32:0612:1439:48
12:49
+0:46
Half
13.11 mi14:00:162:40:2212:148:16
12:07
-0:42
25K
15.53 mi14:33:493:13:5512:2933:33
13:50
+1:43
30K
18.64 mi15:19:023:59:0812:5045:13
14:33
+0:43
20M
20.00 mi15:43:164:23:2213:1024:14
17:50
+3:17
21M
21.00 mi15:57:314:37:3713:1314:15
14:15
-3:35
35K
21.75 mi16:06:484:46:5413:129:17
12:25
-1:50
23M
23.00 mi16:24:165:04:2213:1417:28
13:57
+1:32
24M
24.00 mi16:37:405:17:4613:1413:24
13:24
-0:33
40K
24.85 mi16:50:085:30:1413:1712:28
14:35
+1:11
25.2M
25.20 mi16:55:095:35:1513:185:01
14:33
-0:02
Finish
26.22 mi17:08:015:48:0713:1712:52
12:38
-1:55

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

11:56 /mi

Average Pace

13:17 /mi

Slowest Pace

17:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:43

41% of race

Time at Steady Pace

1:44:13

30% of race

Time at Slower Pace

1:41:11

29% of race

Average Pace: 13:17 /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 mi11:56:5937:0511:5637:05
11:56
#25396
10K
6.21 mi12:34:451:14:5112:0337:46
12:09
#25319
15K
9.32 mi13:12:121:52:1812:0337:27
12:03
#25193
20K
12.43 mi13:52:002:32:0612:1439:48
12:49
#25118
Half
13.11 mi14:00:162:40:2212:148:16
12:07
#25109
25K
15.53 mi14:33:493:13:5512:2933:33
13:50
#25105
30K
18.64 mi15:19:023:59:0812:5045:13
14:33
#25062
20M
20.00 mi15:43:164:23:2213:1024:14
17:50
#25195
21M
21.00 mi15:57:314:37:3713:1314:15
14:15
#25144
35K
21.75 mi16:06:484:46:5413:129:17
12:25
#25096
23M
23.00 mi16:24:165:04:2213:1417:28
13:57
#25056
24M
24.00 mi16:37:405:17:4613:1413:24
13:24
#25023
40K
24.85 mi16:50:085:30:1413:1712:28
14:35
#25014
25.2M
25.20 mi16:55:095:35:1513:185:01
14:33
#25004
Finish
26.22 mi17:08:015:48:0713:1712:52
12:38
#24990
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25396145221452224751(Top 97%)14286(Top 98%)14286(Top 711%)
10K6.21 mi3.10 mi25319+7714491+3114491+3125190(Top 99%)14454(Top 99%)14454(Top 719%)
15K9.32 mi3.11 mi25193+12614456+3514456+3524751(Top 97%)14286(Top 98%)14286(Top 711%)
20K12.43 mi3.11 mi25118+7514426+3014426+3024735(Top 97%)14247(Top 98%)14247(Top 709%)
Half13.11 mi0.68 mi25109+914419+714419+724656(Top 97%)14183(Top 97%)14183(Top 706%)
25K15.53 mi2.42 mi25105+414412+714412+724830(Top 97%)14246(Top 98%)14246(Top 709%)
30K18.64 mi3.11 mi25062+4314379+3314379+3324620(Top 96%)14099(Top 97%)14099(Top 702%)
20M20.00 mi1.36 mi25195-13314433-5414433-5425439(Top 100%)14509(Top 100%)14509(Top 722%)
21M21.00 mi1.00 mi25144+5114406+2714406+2722649(Top 89%)12983(Top 89%)12983(Top 646%)
35K21.75 mi0.75 mi25096+4814383+2314383+2322447(Top 88%)12843(Top 88%)12843(Top 639%)
23M23.00 mi1.25 mi25056+4014359+2414359+2423721(Top 93%)13505(Top 93%)13505(Top 672%)
24M24.00 mi1.00 mi25023+3314344+1514344+1523582(Top 92%)13358(Top 92%)13358(Top 665%)
40K24.85 mi0.85 mi25014+914331+1314331+1324201(Top 95%)13696(Top 94%)13696(Top 682%)
25.2M25.20 mi0.35 mi25004+1014326+514326+522433(Top 88%)12726(Top 87%)12726(Top 633%)
Finish26.22 mi1.02 mi24990+1414312+1414312+1424009(Top 94%)13577(Top 93%)13577(Top 676%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

24751

Males

14286

M40-44

14286

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

25190

Males

14454

M40-44

14454

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

24751

Males

14286

M40-44

14286

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

24735

Males

14247

M40-44

14247

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

24656

Males

14183

M40-44

14183

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

24830

Males

14246

M40-44

14246

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

24620

Males

14099

M40-44

14099

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

25439

Males

14509

M40-44

14509

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

22649

Males

12983

M40-44

12983

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

22447

Males

12843

M40-44

12843

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

23721

Males

13505

M40-44

13505

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

23582

Males

13358

M40-44

13358

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

24201

Males

13696

M40-44

13696

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

22433

Males

12726

M40-44

12726

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

24009

Males

13577

M40-44

13577

Passing Analysis

Category:
Athletes Passed
695
Passed By
289
Net Change
+406
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25396
5K → 10K9518+77#25396#25319
10K → 15K1293+126#25319#25193
15K → 20K8712+75#25193#25118
20K → Half145+9#25118#25109
Half → 25K4541+4#25109#25105
25K → 30K7431+43#25105#25062
30K → 20M5138-133#25062#25195
20M → 21M532+51#25195#25144
21M → 35K491+48#25144#25096
35K → 23M488+40#25096#25056
23M → 24M418+33#25056#25023
24M → 40K189+9#25023#25014
40K → 25.2M111+10#25014#25004
25.2M → Finish2612+14#25004#24990
TOTALS695289+406
📊

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