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BOSTON MARATHON 2023

James Heun

Bib: 17530•M

OH

Masters
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0:00
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Age Group (M60-64)
#0 / 1110
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #17867
Start → 5K
26:33 | 8:33/mi
10K· 6.21 mi
52:23
Rank: #17411 (+456)
5K → 10K
25:50 | 8:19/mi
15K· 9.32 mi
1:17:55
Rank: #16914 (+497)
10K → 15K
25:32 | 8:13/mi
20K· 12.43 mi
1:43:50
Rank: #16659 (+255)
15K → 20K
25:55 | 8:21/mi
Half· 13.11 mi
1:49:26
Rank: #16621 (+38)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:09:38
Rank: #16367 (+254)
Half → 25K
20:12 | 8:20/mi
30K· 18.64 mi
2:36:33
Rank: #16146 (+221)
25K → 30K
26:55 | 8:40/mi
20M
2:48:28
Rank: #16057 (+89)
30K → 20M
11:55 | 8:46/mi
21M
2:57:47
Rank: #15963 (+94)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
3:04:16
Rank: #15954 (+9)
21M → 35K
6:29 | 8:40/mi
23M
3:15:05
Rank: #15815 (+139)
35K → 23M
10:49 | 8:38/mi
24M
3:23:33
Rank: #15748 (+67)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:31:01
Rank: #15704 (+44)
24M → 40K
7:28 | 8:44/mi
25.2M
3:34:20
Rank: #15704
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:43:15
Rank: #15734 (-30)
25.2M → Finish
8:55 | 8:45/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:49:26
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:53:49
Pace8:41 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5226:338:3326:33
8:33
-
10K
6.21 mi11:44:4252:238:2625:50
8:19
-0:14
15K
9.32 mi12:10:141:17:558:2225:32
8:13
-0:06
20K
12.43 mi12:36:091:43:508:2125:55
8:21
+0:08
Half
13.11 mi12:41:451:49:268:215:36
8:12
-0:09
25K
15.53 mi13:01:572:09:388:2120:12
8:20
+0:08
30K
18.64 mi13:28:522:36:338:2426:55
8:40
+0:20
20M
20.00 mi13:40:472:48:288:2511:55
8:46
+0:06
21M
21.00 mi13:50:062:57:478:289:19
9:19
+0:33
35K
21.75 mi13:56:353:04:168:286:29
8:40
-0:39
23M
23.00 mi14:07:243:15:058:2910:49
8:38
-0:02
24M
24.00 mi14:15:523:23:338:298:28
8:28
-0:10
40K
24.85 mi14:23:203:31:018:297:28
8:44
+0:16
25.2M
25.20 mi14:26:393:34:208:303:19
9:37
+0:53
Finish
26.22 mi14:35:343:43:158:318:55
8:45
-0:52

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:12 /mi

Average Pace

8:31 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:30:37

94% of race

Time at Steady Pace

12:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:31 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:18:5226:338:3326:33
8:33
#17867
10K
6.21 mi11:44:4252:238:2625:50
8:19
#17411
15K
9.32 mi12:10:141:17:558:2225:32
8:13
#16914
20K
12.43 mi12:36:091:43:508:2125:55
8:21
#16659
Half
13.11 mi12:41:451:49:268:215:36
8:12
#16621
25K
15.53 mi13:01:572:09:388:2120:12
8:20
#16367
30K
18.64 mi13:28:522:36:338:2426:55
8:40
#16146
20M
20.00 mi13:40:472:48:288:2511:55
8:46
#16057
21M
21.00 mi13:50:062:57:478:289:19
9:19
#15963
35K
21.75 mi13:56:353:04:168:286:29
8:40
#15954
23M
23.00 mi14:07:243:15:058:2910:49
8:38
#15815
24M
24.00 mi14:15:523:23:338:298:28
8:28
#15748
40K
24.85 mi14:23:203:31:018:297:28
8:44
#15704
25.2M
25.20 mi14:26:393:34:208:303:19
9:37
#15704
Finish
26.22 mi14:35:343:43:158:318:55
8:45
#15734
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17867113771137715977(Top 60%)10672(Top 70%)10672(Top 961%)
10K6.21 mi3.10 mi17411+45611220+15711220+15717022(Top 64%)11115(Top 73%)11115(Top 1001%)
15K9.32 mi3.11 mi16914+49711033+18711033+18715977(Top 60%)10672(Top 70%)10672(Top 961%)
20K12.43 mi3.11 mi16659+25510926+10710926+10715875(Top 60%)10587(Top 70%)10587(Top 954%)
Half13.11 mi0.68 mi16621+3810903+2310903+2315817(Top 59%)10605(Top 70%)10605(Top 955%)
25K15.53 mi2.42 mi16367+25410794+10910794+10915130(Top 57%)10183(Top 67%)10183(Top 917%)
30K18.64 mi3.11 mi16146+22110657+13710657+13715294(Top 57%)10164(Top 67%)10164(Top 916%)
20M20.00 mi1.36 mi16057+8910608+4910608+4915239(Top 57%)10087(Top 66%)10087(Top 909%)
21M21.00 mi1.00 mi15963+9410553+5510553+5515056(Top 57%)9952(Top 66%)9952(Top 897%)
35K21.75 mi0.75 mi15954+910529+2410529+2416204(Top 61%)10366(Top 68%)10366(Top 934%)
23M23.00 mi1.25 mi15815+13910447+8210447+8214008(Top 53%)9376(Top 62%)9376(Top 845%)
24M24.00 mi1.00 mi15748+6710395+5210395+5214256(Top 54%)9422(Top 62%)9422(Top 849%)
40K24.85 mi0.85 mi15704+4410376+1910376+1914693(Top 55%)9543(Top 63%)9543(Top 860%)
25.2M25.20 mi0.35 mi15704103761037615687(Top 59%)9975(Top 66%)9975(Top 899%)
Finish26.22 mi1.02 mi15734-3010380-410380-416740(Top 63%)10496(Top 69%)10496(Top 946%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15977

Males

10672

M60-64

10672

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17022

Males

11115

M60-64

11115

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15977

Males

10672

M60-64

10672

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15875

Males

10587

M60-64

10587

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15817

Males

10605

M60-64

10605

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15130

Males

10183

M60-64

10183

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15294

Males

10164

M60-64

10164

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15239

Males

10087

M60-64

10087

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15056

Males

9952

M60-64

9952

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16204

Males

10366

M60-64

10366

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14008

Males

9376

M60-64

9376

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14256

Males

9422

M60-64

9422

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14693

Males

9543

M60-64

9543

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15687

Males

9975

M60-64

9975

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16740

Males

10496

M60-64

10496

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2845
Passed By
712
Net Change
+2133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17867
5K → 10K617161+456#17867#17411
10K → 15K54144+497#17411#16914
15K → 20K31560+255#16914#16659
20K → Half5214+38#16659#16621
Half → 25K28834+254#16621#16367
25K → 30K29271+221#16367#16146
30K → 20M12132+89#16146#16057
20M → 21M12935+94#16057#15963
21M → 35K5748+9#15963#15954
35K → 23M16728+139#15954#15815
23M → 24M10134+67#15815#15748
24M → 40K8642+44#15748#15704
40K → 25.2M28280#15704#15704
25.2M → Finish5181-30#15704#15734
TOTALS2845712+2133
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing