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BOSTON MARATHON 2023

Jason Heineman

Bib: 8596•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
22:53
Rank: #8576
Start → 5K
22:53 | 7:22/mi
10K· 6.21 mi
46:41
Rank: #10176 (-1600)
5K → 10K
23:48 | 7:40/mi
15K· 9.32 mi
1:09:45
Rank: #9894 (+282)
10K → 15K
23:04 | 7:25/mi
20K· 12.43 mi
1:33:10
Rank: #9811 (+83)
15K → 20K
23:25 | 7:32/mi
Half· 13.11 mi
1:38:07
Rank: #9700 (+111)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:56:38
Rank: #9725 (-25)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:23:00
Rank: #10538 (-813)
25K → 30K
26:22 | 8:29/mi
20M
2:34:16
Rank: #10670 (-132)
30K → 20M
11:16 | 8:17/mi
21M
2:43:01
Rank: #10713 (-43)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:49:15
Rank: #10839 (-126)
21M → 35K
6:14 | 8:20/mi
23M
3:00:15
Rank: #11106 (-267)
35K → 23M
11:00 | 8:47/mi
24M
3:08:58
Rank: #11357 (-251)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:16:34
Rank: #11559 (-202)
24M → 40K
7:36 | 8:53/mi
25.2M
3:19:53
Rank: #11640 (-81)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:28:35
Rank: #11815 (-175)
25.2M → Finish
8:42 | 8:32/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:07
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:50:28
Pace8:26 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0522:537:2222:53
7:22
-
10K
6.21 mi11:11:5346:417:3123:48
7:40
+0:18
15K
9.32 mi11:34:571:09:457:2923:04
7:25
-0:15
20K
12.43 mi11:58:221:33:107:3023:25
7:32
+0:07
Half
13.11 mi12:03:191:38:077:294:57
7:15
-0:17
25K
15.53 mi12:21:501:56:387:3018:31
7:38
+0:23
30K
18.64 mi12:48:122:23:007:4026:22
8:29
+0:51
20M
20.00 mi12:59:282:34:167:4311:16
8:17
-0:12
21M
21.00 mi13:08:132:43:017:468:45
8:45
+0:28
35K
21.75 mi13:14:272:49:157:476:14
8:20
-0:25
23M
23.00 mi13:25:273:00:157:5011:00
8:47
+0:27
24M
24.00 mi13:34:103:08:587:528:43
8:43
-0:04
40K
24.85 mi13:41:463:16:347:557:36
8:53
+0:10
25.2M
25.20 mi13:45:053:19:537:563:19
9:37
+0:44
Finish
26.22 mi13:53:473:28:357:588:42
8:32
-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

7:15 /mi

Average Pace

7:58 /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

1:56:38

56% of race

Time at Steady Pace

52:34

25% of race

Time at Slower Pace

39:23

19% of race

Average Pace: 7:57 /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 mi10:48:0522:537:2222:53
7:22
#8576
10K
6.21 mi11:11:5346:417:3123:48
7:40
#10176
15K
9.32 mi11:34:571:09:457:2923:04
7:25
#9894
20K
12.43 mi11:58:221:33:107:3023:25
7:32
#9811
Half
13.11 mi12:03:191:38:077:294:57
7:15
#9700
25K
15.53 mi12:21:501:56:387:3018:31
7:38
#9725
30K
18.64 mi12:48:122:23:007:4026:22
8:29
#10538
20M
20.00 mi12:59:282:34:167:4311:16
8:17
#10670
21M
21.00 mi13:08:132:43:017:468:45
8:45
#10713
35K
21.75 mi13:14:272:49:157:476:14
8:20
#10839
23M
23.00 mi13:25:273:00:157:5011:00
8:47
#11106
24M
24.00 mi13:34:103:08:587:528:43
8:43
#11357
40K
24.85 mi13:41:463:16:347:557:36
8:53
#11559
25.2M
25.20 mi13:45:053:19:537:563:19
9:37
#11640
Finish
26.22 mi13:53:473:28:357:588:42
8:32
#11815
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8576733673369577(Top 36%)7905(Top 52%)7905(Top 351%)
10K6.21 mi3.10 mi10176-16008244-9088244-90811915(Top 45%)9076(Top 60%)9076(Top 403%)
15K9.32 mi3.11 mi9894+2828099+1458099+1459577(Top 36%)7905(Top 52%)7905(Top 351%)
20K12.43 mi3.11 mi9811+838037+628037+629633(Top 36%)7869(Top 52%)7869(Top 349%)
Half13.11 mi0.68 mi9700+1117979+587979+588349(Top 31%)7090(Top 47%)7090(Top 315%)
25K15.53 mi2.42 mi9725-257977+27977+29849(Top 37%)7891(Top 52%)7891(Top 350%)
30K18.64 mi3.11 mi10538-8138350-3738350-37314248(Top 54%)9745(Top 64%)9745(Top 433%)
20M20.00 mi1.36 mi10670-1328385-358385-3512348(Top 46%)8834(Top 58%)8834(Top 392%)
21M21.00 mi1.00 mi10713-438390-58390-512021(Top 45%)8583(Top 57%)8583(Top 381%)
35K21.75 mi0.75 mi10839-1268429-398429-3914367(Top 54%)9565(Top 63%)9565(Top 425%)
23M23.00 mi1.25 mi11106-2678542-1138542-11314956(Top 56%)9784(Top 64%)9784(Top 434%)
24M24.00 mi1.00 mi11357-2518629-878629-8715803(Top 59%)10069(Top 66%)10069(Top 447%)
40K24.85 mi0.85 mi11559-2028697-688697-6815614(Top 59%)9940(Top 65%)9940(Top 441%)
25.2M25.20 mi0.35 mi11640-818725-288725-2815859(Top 60%)10025(Top 66%)10025(Top 445%)
Finish26.22 mi1.02 mi11815-1758778-538778-5315684(Top 59%)10015(Top 66%)10015(Top 445%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9577

Males

7905

M45-49

7905

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

11915

Males

9076

M45-49

9076

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9577

Males

7905

M45-49

7905

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9633

Males

7869

M45-49

7869

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8349

Males

7090

M45-49

7090

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9849

Males

7891

M45-49

7891

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14248

Males

9745

M45-49

9745

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12348

Males

8834

M45-49

8834

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12021

Males

8583

M45-49

8583

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14367

Males

9565

M45-49

9565

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14956

Males

9784

M45-49

9784

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15803

Males

10069

M45-49

10069

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15614

Males

9940

M45-49

9940

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15859

Males

10025

M45-49

10025

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15684

Males

10015

M45-49

10015

Passing Analysis

Category:
Athletes Passed
1076*
Passed By
4313
Net Change
-3239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8576
5K → 10K171616-1600#8576#10176
10K → 15K346*64+282#10176#9894
15K → 20K199*116+83#9894#9811
20K → Half1154+111#9811#9700
Half → 25K117142-25#9700#9725
25K → 30K36848-813#9725#10538
30K → 20M46*178-132#10538#10670
20M → 21M5699-43#10670#10713
21M → 35K20146-126#10713#10839
35K → 23M32299-267#10839#11106
23M → 24M22273-251#11106#11357
24M → 40K20222-202#11357#11559
40K → 25.2M1596-81#11559#11640
25.2M → Finish35210-175#11640#11815
TOTALS1076*4313-3239

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing