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BOSTON MARATHON 2023

Jan De Visser

Bib: 16141•M

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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
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:08
Rank: #7039
Start → 5K
22:08 | 7:07/mi
10K· 6.21 mi
44:30
Rank: #7505 (-466)
5K → 10K
22:22 | 7:12/mi
15K· 9.32 mi
1:07:14
Rank: #7844 (-339)
10K → 15K
22:44 | 7:19/mi
20K· 12.43 mi
1:30:52
Rank: #8331 (-487)
15K → 20K
23:38 | 7:36/mi
Half· 13.11 mi
1:36:02
Rank: #8446 (-115)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:55:27
Rank: #9082 (-636)
Half → 25K
19:25 | 8:00/mi
30K· 18.64 mi
2:21:37
Rank: #9950 (-868)
25K → 30K
26:10 | 8:25/mi
20M
2:33:15
Rank: #10258 (-308)
30K → 20M
11:38 | 8:34/mi
21M
2:43:06
Rank: #10749 (-491)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
2:51:25
Rank: #11693 (-944)
21M → 35K
8:19 | 11:07/mi
23M
3:03:22
Rank: #12239 (-546)
35K → 23M
11:57 | 9:33/mi
24M
3:13:25
Rank: #12833 (-594)
23M → 24M
10:03 | 10:03/mi
40K· 24.85 mi
3:21:52
Rank: #13176 (-343)
24M → 40K
8:27 | 9:53/mi
25.2M
3:25:19
Rank: #13229 (-53)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:36:10
Rank: #13959 (-730)
25.2M → Finish
10:51 | 10:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:02
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time2:00:08
Pace9:10 /mi
📊Positive Split: 25.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1922:087:0722:08
7:07
-
10K
6.21 mi11:34:4144:307:1022:22
7:12
+0:05
15K
9.32 mi11:57:251:07:147:1322:44
7:19
+0:07
20K
12.43 mi12:21:031:30:527:1923:38
7:36
+0:17
Half
13.11 mi12:26:131:36:027:205:10
7:34
-0:02
25K
15.53 mi12:45:381:55:277:2619:25
8:00
+0:26
30K
18.64 mi13:11:482:21:377:3626:10
8:25
+0:25
20M
20.00 mi13:23:262:33:157:4011:38
8:34
+0:09
21M
21.00 mi13:33:172:43:067:469:51
9:51
+1:17
35K
21.75 mi13:41:362:51:257:538:19
11:07
+1:16
23M
23.00 mi13:53:333:03:227:5811:57
9:33
-1:34
24M
24.00 mi14:03:363:13:258:0410:03
10:03
+0:30
40K
24.85 mi14:12:033:21:528:078:27
9:53
-0:10
25.2M
25.20 mi14:15:303:25:198:093:27
10:00
+0:07
Finish
26.22 mi14:26:213:36:108:1510:51
10:39
+0:39

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

7:07 /mi

Average Pace

8:15 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:02

44% of race

Time at Steady Pace

57:13

26% of race

Time at Slower Pace

1:02:55

29% of race

Average Pace: 8:15 /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 mi11:12:1922:087:0722:08
7:07
#7039
10K
6.21 mi11:34:4144:307:1022:22
7:12
#7505
15K
9.32 mi11:57:251:07:147:1322:44
7:19
#7844
20K
12.43 mi12:21:031:30:527:1923:38
7:36
#8331
Half
13.11 mi12:26:131:36:027:205:10
7:34
#8446
25K
15.53 mi12:45:381:55:277:2619:25
8:00
#9082
30K
18.64 mi13:11:482:21:377:3626:10
8:25
#9950
20M
20.00 mi13:23:262:33:157:4011:38
8:34
#10258
21M
21.00 mi13:33:172:43:067:469:51
9:51
#10749
35K
21.75 mi13:41:362:51:257:538:19
11:07
#11693
23M
23.00 mi13:53:333:03:227:5811:57
9:33
#12239
24M
24.00 mi14:03:363:13:258:0410:03
10:03
#12833
40K
24.85 mi14:12:033:21:528:078:27
9:53
#13176
25.2M
25.20 mi14:15:303:25:198:093:27
10:00
#13229
Finish
26.22 mi14:26:213:36:108:1510:51
10:39
#13959
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi7039630463048702(Top 33%)7372(Top 49%)7372(Top 518%)
10K6.21 mi3.10 mi7505-4666640-3366640-3368095(Top 30%)7011(Top 46%)7011(Top 493%)
15K9.32 mi3.11 mi7844-3396854-2146854-2148702(Top 33%)7372(Top 49%)7372(Top 518%)
20K12.43 mi3.11 mi8331-4877154-3007154-30010142(Top 38%)8151(Top 54%)8151(Top 573%)
Half13.11 mi0.68 mi8446-1157217-637217-6310816(Top 41%)8542(Top 56%)8542(Top 601%)
25K15.53 mi2.42 mi9082-6367599-3827599-38212810(Top 48%)9269(Top 61%)9269(Top 652%)
30K18.64 mi3.11 mi9950-8688069-4708069-47013819(Top 52%)9577(Top 63%)9577(Top 673%)
20M20.00 mi1.36 mi10258-3088197-1288197-12813980(Top 53%)9562(Top 63%)9562(Top 672%)
21M21.00 mi1.00 mi10749-4918409-2128409-21217417(Top 65%)10952(Top 72%)10952(Top 770%)
35K21.75 mi0.75 mi11693-9448827-4188827-41823493(Top 88%)13596(Top 90%)13596(Top 956%)
23M23.00 mi1.25 mi12239-5469033-2069033-20618471(Top 69%)11330(Top 75%)11330(Top 797%)
24M24.00 mi1.00 mi12833-5949267-2349267-23420904(Top 79%)12387(Top 82%)12387(Top 871%)
40K24.85 mi0.85 mi13176-3439392-1259392-12519619(Top 74%)11746(Top 77%)11746(Top 826%)
25.2M25.20 mi0.35 mi13229-539399-79399-717325(Top 65%)10678(Top 70%)10678(Top 751%)
Finish26.22 mi1.02 mi13959-7309670-2719670-27123305(Top 88%)13473(Top 89%)13473(Top 947%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8702

Males

7372

M55-59

7372

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8095

Males

7011

M55-59

7011

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8702

Males

7372

M55-59

7372

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10142

Males

8151

M55-59

8151

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10816

Males

8542

M55-59

8542

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12810

Males

9269

M55-59

9269

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13819

Males

9577

M55-59

9577

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

13980

Males

9562

M55-59

9562

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17417

Males

10952

M55-59

10952

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23493

Males

13596

M55-59

13596

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18471

Males

11330

M55-59

11330

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20904

Males

12387

M55-59

12387

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19619

Males

11746

M55-59

11746

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17325

Males

10678

M55-59

10678

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23305

Males

13473

M55-59

13473

Passing Analysis

Category:
Athletes Passed
293
Passed By
7212
Net Change
-6920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7039
5K → 10K62528-466#7039#7505
10K → 15K41380-339#7505#7844
15K → 20K34521-487#7844#8331
20K → Half3118-115#8331#8446
Half → 25K17653-636#8446#9082
25K → 30K25893-868#9082#9950
30K → 20M31338-308#9950#10258
20M → 21M13504-491#10258#10749
21M → 35K1945-944#10749#11693
35K → 23M18564-546#11693#12239
23M → 24M6600-594#12239#12833
24M → 40K12355-343#12833#13176
40K → 25.2M2881-53#13176#13229
25.2M → Finish2732-730#13229#13959
TOTALS2937212-6920
📊

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