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BOSTON MARATHON 2023

John Van Noten

Bib: 27805•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
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
8:45/mi
27:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:45/mi
54:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:21:12
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:48:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:54:47
↑ 19↓ 370.5%
25K· 15.53 mi
9:00/mi
2:16:36
↑ 66↓ 880.2%
30K· 18.64 mi
10:02/mi
2:47:47
↑ 181↓ 1480.2%
20M
9:43/mi
3:00:59
↑ 64↓ 500.2%
21M
11:16/mi
3:12:15
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:18:59
↑ 17↓ 861.7%
23M
9:21/mi
3:30:42
↑ 23↓ 630.6%
24M
9:15/mi
3:39:57
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:47:45
↓ 200.3%
25.2M
9:43/mi
3:51:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
4:00:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:47
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:05:26
Pace9:34 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3827:108:4527:10
8:45
-
10K
6.21 mi12:17:4954:218:4527:11
8:45
0:00
15K
9.32 mi12:44:401:21:128:4326:51
8:39
-0:06
20K
12.43 mi13:12:231:48:558:4627:43
8:55
+0:16
Half
13.11 mi13:18:151:54:478:455:52
8:36
-0:19
25K
15.53 mi13:40:042:16:368:4821:49
9:00
+0:24
30K
18.64 mi14:11:152:47:479:0031:11
10:02
+1:02
20M
20.00 mi14:24:273:00:599:0313:12
9:43
-0:19
21M
21.00 mi14:35:433:12:159:0911:16
11:16
+1:33
35K
21.75 mi14:42:273:18:599:096:44
9:00
-2:16
23M
23.00 mi14:54:103:30:429:1011:43
9:21
+0:21
24M
24.00 mi15:03:253:39:579:109:15
9:15
-0:06
40K
24.85 mi15:11:133:47:459:107:48
9:07
-0:08
25.2M
25.20 mi15:14:343:51:069:103:21
9:43
+0:36
Finish
26.22 mi15:23:414:00:139:109:07
8:57
-0:46

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

8:36 /mi

Average Pace

9:10 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:43

14% of race

Time at Steady Pace

2:16:47

57% of race

Time at Slower Pace

1:10:43

29% of race

Average Pace: 9:10 /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 mi11:50:3827:108:4527:10
8:45
#19139
10K
6.21 mi12:17:4954:218:4527:11
8:45
#19380
15K
9.32 mi12:44:401:21:128:4326:51
8:39
#19107
20K
12.43 mi13:12:231:48:558:4627:43
8:55
#19135
Half
13.11 mi13:18:151:54:478:455:52
8:36
#19095
25K
15.53 mi13:40:042:16:368:4821:49
9:00
#19047
30K
18.64 mi14:11:152:47:479:0031:11
10:02
#19592
20M
20.00 mi14:24:273:00:599:0313:12
9:43
#19598
21M
21.00 mi14:35:433:12:159:0911:16
11:16
#19745
35K
21.75 mi14:42:273:18:599:096:44
9:00
#19677
23M
23.00 mi14:54:103:30:429:1011:43
9:21
#19565
24M
24.00 mi15:03:253:39:579:109:15
9:15
#19527
40K
24.85 mi15:11:133:47:459:107:48
9:07
#19436
25.2M
25.20 mi15:14:343:51:069:103:21
9:43
#19387
Finish
26.22 mi15:23:414:00:139:109:07
8:57
#19347
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi19139118341183418684(Top 70%)11752(Top 77%)11752(Top 524%)
10K6.21 mi3.10 mi19380-24111971-13711971-13719670(Top 74%)12157(Top 80%)12157(Top 542%)
15K9.32 mi3.11 mi19107+27311890+8111890+8118684(Top 70%)11752(Top 77%)11752(Top 524%)
20K12.43 mi3.11 mi19135-2811917-2711917-2719316(Top 73%)12020(Top 79%)12020(Top 536%)
Half13.11 mi0.68 mi19095+4011896+2111896+2118309(Top 69%)11628(Top 77%)11628(Top 519%)
25K15.53 mi2.42 mi19047+4811883+1311883+1318938(Top 71%)11825(Top 78%)11825(Top 528%)
30K18.64 mi3.11 mi19592-54512085-20212085-20221127(Top 79%)12685(Top 84%)12685(Top 566%)
20M20.00 mi1.36 mi19598-612075+1012075+1019586(Top 74%)11938(Top 79%)11938(Top 533%)
21M21.00 mi1.00 mi19745-14712132-5712132-5721397(Top 80%)12690(Top 84%)12690(Top 566%)
35K21.75 mi0.75 mi19677+6812095+3712095+3717903(Top 67%)11104(Top 73%)11104(Top 495%)
23M23.00 mi1.25 mi19565+11212040+5512040+5517752(Top 67%)11016(Top 73%)11016(Top 492%)
24M24.00 mi1.00 mi19527+3812007+3312007+3318251(Top 69%)11202(Top 74%)11202(Top 500%)
40K24.85 mi0.85 mi19436+9111963+4411963+4416723(Top 63%)10461(Top 69%)10461(Top 467%)
25.2M25.20 mi0.35 mi19387+4911946+1711946+1716153(Top 61%)10197(Top 67%)10197(Top 455%)
Finish26.22 mi1.02 mi19347+4011921+2511921+2517695(Top 66%)10926(Top 72%)10926(Top 488%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18684

Males

11752

M40-44

11752

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

19670

Males

12157

M40-44

12157

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18684

Males

11752

M40-44

11752

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19316

Males

12020

M40-44

12020

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18309

Males

11628

M40-44

11628

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18938

Males

11825

M40-44

11825

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

21127

Males

12685

M40-44

12685

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19586

Males

11938

M40-44

11938

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21397

Males

12690

M40-44

12690

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17903

Males

11104

M40-44

11104

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17752

Males

11016

M40-44

11016

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18251

Males

11202

M40-44

11202

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16723

Males

10461

M40-44

10461

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16153

Males

10197

M40-44

10197

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17695

Males

10926

M40-44

10926

Passing Analysis

Category:
Athletes Passed
1608
Passed By
1816
Net Change
-208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19139
5K → 10K225466-241#19139#19380
10K → 15K35784+273#19380#19107
15K → 20K149177-28#19107#19135
20K → Half5212+40#19135#19095
Half → 25K14092+48#19095#19047
25K → 30K48593-545#19047#19592
30K → 20M8995-6#19592#19598
20M → 21M45192-147#19598#19745
21M → 35K8214+68#19745#19677
35K → 23M13321+112#19677#19565
23M → 24M6628+38#19565#19527
24M → 40K987+91#19527#19436
40K → 25.2M501+49#19436#19387
25.2M → Finish7434+40#19387#19347
TOTALS16081816-208
📊

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