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BOSTON MARATHON 2024

David Boonstra

Bib: 10818•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 48%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
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
7:17/mi
22:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
45:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:08:23
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:31:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:36:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:54:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:18:59
↑ 181↓ 1480.2%
20M
12:46/mi
2:36:20
↑ 64↓ 500.2%
21M
10:48/mi
2:47:08
↑ 106↓ 241.6%
35K· 21.75 mi
9:20/mi
2:54:07
↑ 17↓ 861.7%
23M
9:16/mi
3:05:43
↑ 23↓ 630.6%
24M
11:39/mi
3:17:22
↓ 821.3%
40K· 24.85 mi
11:56/mi
3:27:34
↓ 200.3%
25.2M
10:58/mi
3:31:21
↑ 13↓ 160.2%
Finish· 26.22 mi
10:06/mi
3:41:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:09
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time2:05:30
Pace9:34 /mi
📊Positive Split: 30.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:3522:377:1722:37
7:17
-
10K
6.21 mi11:19:3745:397:2123:02
7:25
+0:08
15K
9.32 mi11:42:211:08:237:2022:44
7:19
-0:06
20K
12.43 mi12:05:111:31:137:2022:50
7:21
+0:02
Half
13.11 mi12:10:071:36:097:204:56
7:14
-0:07
25K
15.53 mi12:28:061:54:087:2117:59
7:25
+0:11
30K
18.64 mi12:52:572:18:597:2724:51
8:00
+0:35
20M
20.00 mi13:10:182:36:207:4917:21
12:46
+4:46
21M
21.00 mi13:21:062:47:087:5810:48
10:48
-1:58
35K
21.75 mi13:28:052:54:078:006:59
9:20
-1:28
23M
23.00 mi13:39:413:05:438:0411:36
9:16
-0:04
24M
24.00 mi13:51:203:17:228:1311:39
11:39
+2:23
40K
24.85 mi14:01:323:27:348:2110:12
11:56
+0:17
25.2M
25.20 mi14:05:193:31:218:233:47
10:58
-0:58
Finish
26.22 mi14:15:373:41:398:2810:18
10:06
-0:52

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

7:14 /mi

Average Pace

8:28 /mi

Slowest Pace

12:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:59

63% of race

Time at Steady Pace

28:53

13% of race

Time at Slower Pace

53:47

24% of race

Average Pace: 8:27 /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 mi10:56:3522:377:1722:37
7:17
#9022
10K
6.21 mi11:19:3745:397:2123:02
7:25
#9238
15K
9.32 mi11:42:211:08:237:2022:44
7:19
#8888
20K
12.43 mi12:05:111:31:137:2022:50
7:21
#8415
Half
13.11 mi12:10:071:36:097:204:56
7:14
#8342
25K
15.53 mi12:28:061:54:087:2117:59
7:25
#7953
30K
18.64 mi12:52:572:18:597:2724:51
8:00
#7817
20M
20.00 mi13:10:182:36:207:4917:21
12:46
#9908
21M
21.00 mi13:21:062:47:087:5810:48
10:48
#10356
35K
21.75 mi13:28:052:54:078:006:59
9:20
#10512
23M
23.00 mi13:39:413:05:438:0411:36
9:16
#10612
24M
24.00 mi13:51:203:17:228:1311:39
11:39
#11400
40K
24.85 mi14:01:323:27:348:2110:12
11:56
#12000
25.2M
25.20 mi14:05:193:31:218:233:47
10:58
#12045
Finish
26.22 mi14:15:373:41:398:2810:18
10:06
#12362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9022742074208278(Top 32%)6886(Top 47%)6886(Top 310%)
10K6.21 mi3.10 mi9238-2167501-817501-819528(Top 37%)7622(Top 52%)7622(Top 344%)
15K9.32 mi3.11 mi8888+3507284+2177284+2178278(Top 32%)6886(Top 47%)6886(Top 310%)
20K12.43 mi3.11 mi8415+4736983+3016983+3017313(Top 29%)6181(Top 42%)6181(Top 279%)
Half13.11 mi0.68 mi8342+736940+436940+437190(Top 28%)6132(Top 42%)6132(Top 276%)
25K15.53 mi2.42 mi7953+3896666+2746666+2746513(Top 25%)5525(Top 38%)5525(Top 249%)
30K18.64 mi3.11 mi7817+1366486+1806486+1807861(Top 31%)6126(Top 42%)6126(Top 276%)
20M20.00 mi1.36 mi9908-20917562-10767562-107622536(Top 88%)12961(Top 89%)12961(Top 584%)
21M21.00 mi1.00 mi10356-4487722-1607722-16015750(Top 62%)9518(Top 65%)9518(Top 429%)
35K21.75 mi0.75 mi10512-1567765-437765-4314825(Top 58%)9034(Top 62%)9034(Top 407%)
23M23.00 mi1.25 mi10612-1007756+97756+912438(Top 49%)7778(Top 53%)7778(Top 351%)
24M24.00 mi1.00 mi11400-7888067-3118067-31120698(Top 81%)11867(Top 81%)11867(Top 535%)
40K24.85 mi0.85 mi12000-6008304-2378304-23720295(Top 79%)11580(Top 79%)11580(Top 522%)
25.2M25.20 mi0.35 mi12045-458306-28306-214354(Top 56%)8591(Top 59%)8591(Top 387%)
Finish26.22 mi1.02 mi12362-3178405-998405-9918763(Top 73%)10860(Top 74%)10860(Top 490%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8278

Males

6886

M45-49

6886

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9528

Males

7622

M45-49

7622

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8278

Males

6886

M45-49

6886

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7313

Males

6181

M45-49

6181

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7190

Males

6132

M45-49

6132

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6513

Males

5525

M45-49

5525

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

7861

Males

6126

M45-49

6126

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

22536

Males

12961

M45-49

12961

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

15750

Males

9518

M45-49

9518

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

14825

Males

9034

M45-49

9034

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12438

Males

7778

M45-49

7778

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

20698

Males

11867

M45-49

11867

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20295

Males

11580

M45-49

11580

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14354

Males

8591

M45-49

8591

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

18763

Males

10860

M45-49

10860

Passing Analysis

Category:
Athletes Passed
2124
Passed By
5461
Net Change
-3340
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9022
5K → 10K169385-216#9022#9238
10K → 15K38737+350#9238#8888
15K → 20K49118+473#8888#8415
20K → Half774+73#8415#8342
Half → 25K40920+389#8342#7953
25K → 30K317181+136#7953#7817
30K → 20M52095-2091#7817#9908
20M → 21M29475-448#9908#10356
21M → 35K38194-156#10356#10512
35K → 23M110210-100#10512#10612
23M → 24M19807-788#10612#11400
24M → 40K18618-600#11400#12000
40K → 25.2M2974-45#12000#12045
25.2M → Finish26343-317#12045#12362
TOTALS21245461-3340
📊

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