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BOSTON MARATHON 2023

Herbert Van Dijk

Bib: 30387•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
10:15/mi
31:52
↑ 97↓ 3451.5%
10K· 6.21 mi
10:05/mi
1:03:13
↑ 79↓ 1380.4%
15K· 9.32 mi
10:10/mi
1:34:47
↑ 67↓ 78
20K· 12.43 mi
10:13/mi
2:06:33
↑ 106↓ 860.1%
Half· 13.11 mi
10:23/mi
2:13:38
↑ 19↓ 370.5%
25K· 15.53 mi
10:28/mi
2:39:00
↑ 66↓ 880.2%
30K· 18.64 mi
10:43/mi
3:12:19
↑ 181↓ 1480.2%
20M
10:50/mi
3:27:02
↑ 64↓ 500.2%
21M
11:19/mi
3:38:21
↑ 106↓ 241.6%
35K· 21.75 mi
10:19/mi
3:46:04
↑ 17↓ 861.7%
23M
10:35/mi
3:59:19
↑ 23↓ 630.6%
24M
10:24/mi
4:09:43
↓ 821.3%
40K· 24.85 mi
10:41/mi
4:18:51
↓ 200.3%
25.2M
11:16/mi
4:22:44
↑ 13↓ 160.2%
Finish· 26.22 mi
10:11/mi
4:33:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:38
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time2:19:29
Pace10:38 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2131:5210:1531:52
10:15
-
10K
6.21 mi12:21:421:03:1310:1031:21
10:05
-0:10
15K
9.32 mi12:53:161:34:4710:1031:34
10:10
+0:05
20K
12.43 mi13:25:022:06:3310:1131:46
10:13
+0:03
Half
13.11 mi13:32:072:13:3810:127:05
10:23
+0:10
25K
15.53 mi13:57:292:39:0010:1425:22
10:28
+0:05
30K
18.64 mi14:30:483:12:1910:1933:19
10:43
+0:15
20M
20.00 mi14:45:313:27:0210:2114:43
10:50
+0:07
21M
21.00 mi14:56:503:38:2110:2411:19
11:19
+0:29
35K
21.75 mi15:04:333:46:0410:247:43
10:19
-1:00
23M
23.00 mi15:17:483:59:1910:2413:15
10:35
+0:16
24M
24.00 mi15:28:124:09:4310:2410:24
10:24
-0:11
40K
24.85 mi15:37:204:18:5110:259:08
10:41
+0:17
25.2M
25.20 mi15:41:134:22:4410:263:53
11:16
+0:35
Finish
26.22 mi15:51:364:33:0710:2510:23
10:11
-1:05

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

10:05 /mi

Average Pace

10:25 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:17:55

94% of race

Time at Steady Pace

15:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:25 /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 mi11:50:2131:5210:1531:52
10:15
#24102
10K
6.21 mi12:21:421:03:1310:1031:21
10:05
#24002
15K
9.32 mi12:53:161:34:4710:1031:34
10:10
#23939
20K
12.43 mi13:25:022:06:3310:1131:46
10:13
#23790
Half
13.11 mi13:32:072:13:3810:127:05
10:23
#23796
25K
15.53 mi13:57:292:39:0010:1425:22
10:28
#23663
30K
18.64 mi14:30:483:12:1910:1933:19
10:43
#23477
20M
20.00 mi14:45:313:27:0210:2114:43
10:50
#23384
21M
21.00 mi14:56:503:38:2110:2411:19
11:19
#23287
35K
21.75 mi15:04:333:46:0410:247:43
10:19
#23232
23M
23.00 mi15:17:483:59:1910:2413:15
10:35
#23146
24M
24.00 mi15:28:124:09:4310:2410:24
10:24
#23083
40K
24.85 mi15:37:204:18:5110:259:08
10:41
#23015
25.2M
25.20 mi15:41:134:22:4410:263:53
11:16
#22981
Finish
26.22 mi15:51:364:33:0710:2510:23
10:11
#22968
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi24102141391413923800(Top 89%)13997(Top 92%)13997(Top 984%)
10K6.21 mi3.10 mi24002+10014085+5414085+5423893(Top 90%)14044(Top 93%)14044(Top 988%)
15K9.32 mi3.11 mi23939+6314060+2514060+2523800(Top 89%)13997(Top 92%)13997(Top 984%)
20K12.43 mi3.11 mi23790+14913995+6513995+6523336(Top 88%)13781(Top 91%)13781(Top 969%)
Half13.11 mi0.68 mi23796-613994+113994+123975(Top 90%)14047(Top 93%)14047(Top 988%)
25K15.53 mi2.42 mi23663+13313927+6713927+6723123(Top 87%)13646(Top 90%)13646(Top 960%)
30K18.64 mi3.11 mi23477+18613826+10113826+10122646(Top 85%)13357(Top 88%)13357(Top 939%)
20M20.00 mi1.36 mi23384+9313767+5913767+5922396(Top 84%)13181(Top 87%)13181(Top 927%)
21M21.00 mi1.00 mi23287+9713719+4813719+4821516(Top 81%)12753(Top 84%)12753(Top 897%)
35K21.75 mi0.75 mi23232+5513680+3913680+3922025(Top 83%)12941(Top 85%)12941(Top 910%)
23M23.00 mi1.25 mi23146+8613627+5313627+5321511(Top 81%)12700(Top 84%)12700(Top 893%)
24M24.00 mi1.00 mi23083+6313581+4613581+4621801(Top 82%)12778(Top 84%)12778(Top 899%)
40K24.85 mi0.85 mi23015+6813541+4013541+4021667(Top 81%)12673(Top 84%)12673(Top 891%)
25.2M25.20 mi0.35 mi22981+3413528+1313528+1321042(Top 79%)12415(Top 82%)12415(Top 873%)
Finish26.22 mi1.02 mi22968+1313515+1313515+1322263(Top 84%)12984(Top 86%)12984(Top 913%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23800

Males

13997

M55-59

13997

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23893

Males

14044

M55-59

14044

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23800

Males

13997

M55-59

13997

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23336

Males

13781

M55-59

13781

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23975

Males

14047

M55-59

14047

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23123

Males

13646

M55-59

13646

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22646

Males

13357

M55-59

13357

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22396

Males

13181

M55-59

13181

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21516

Males

12753

M55-59

12753

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22025

Males

12941

M55-59

12941

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21511

Males

12700

M55-59

12700

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21801

Males

12778

M55-59

12778

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21667

Males

12673

M55-59

12673

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21042

Males

12415

M55-59

12415

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22263

Males

12984

M55-59

12984

Passing Analysis

Category:
Athletes Passed
1593
Passed By
459
Net Change
+1134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24102
5K → 10K254154+100#24102#24002
10K → 15K15491+63#24002#23939
15K → 20K19344+149#23939#23790
20K → Half2228-6#23790#23796
Half → 25K15522+133#23796#23663
25K → 30K21024+186#23663#23477
30K → 20M10613+93#23477#23384
20M → 21M10912+97#23384#23287
21M → 35K649+55#23287#23232
35K → 23M959+86#23232#23146
23M → 24M729+63#23146#23083
24M → 40K779+68#23083#23015
40K → 25.2M384+34#23015#22981
25.2M → Finish4431+13#22981#22968
TOTALS1593459+1134
📊

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