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BOSTON MARATHON 2024

Jack Heintzelman

Bib: 25634•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:27
Rank: #17840
Start → 5K
8:31/mi
26:27 split
10K· 6.21 mi
52:40
Rank: #17392 (+448)
5K → 10K
8:26/mi
26:13 split
15K· 9.32 mi
1:19:30
Rank: #17280 (+112)
10K → 15K
8:38/mi
26:50 split
20K· 12.43 mi
1:46:28
Rank: #16817 (+463)
15K → 20K
8:41/mi
26:58 split
Half· 13.11 mi
1:52:17
Rank: #16754 (+63)
20K → Half
8:32/mi
5:49 split
25K· 15.53 mi
2:13:48
Rank: #16366 (+388)
Half → 25K
8:52/mi
21:31 split
30K· 18.64 mi
3:28:28
Rank: #23302 (-6936)
25K → 30K
24:02/mi
1:14:40 split
20M
3:49:38
Rank: #23514 (-212)
30K → 20M
15:35/mi
21:10 split
21M
4:02:45
Rank: #23385 (+129)
20M → 21M
13:07/mi
13:07 split
35K· 21.75 mi
4:12:29
Rank: #23365 (+20)
21M → 35K
13:01/mi
9:44 split
23M
4:26:14
Rank: #23178 (+187)
35K → 23M
10:59/mi
13:45 split
24M
4:36:15
Rank: #23044 (+134)
23M → 24M
10:01/mi
10:01 split
40K· 24.85 mi
4:44:14
Rank: #22815 (+229)
24M → 40K
9:20/mi
7:59 split
25.2M
4:47:37
Rank: #22696 (+119)
40K → 25.2M
9:49/mi
3:23 split
Finish· 26.22 mi
4:55:46
Rank: #22415 (+281)
25.2M → Finish
8:00/mi
8:09 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:17
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time3:03:29
Pace14:00 /mi
📊Positive Split: 63.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4326:278:3126:27
8:31
-
10K
6.21 mi12:08:5652:408:2926:13
8:26
-0:05
15K
9.32 mi12:35:461:19:308:3226:50
8:38
+0:12
20K
12.43 mi13:02:441:46:288:3426:58
8:41
+0:03
Half
13.11 mi13:08:331:52:178:345:49
8:32
-0:09
25K
15.53 mi13:30:042:13:488:3721:31
8:52
+0:20
30K
18.64 mi14:44:443:28:2811:111:14:40
24:02
+15:10
20M
20.00 mi15:05:543:49:3811:2921:10
15:35
-8:27
21M
21.00 mi15:19:014:02:4511:3413:07
13:07
-2:28
35K
21.75 mi15:28:454:12:2911:379:44
13:01
-0:06
23M
23.00 mi15:42:304:26:1411:3513:45
10:59
-2:02
24M
24.00 mi15:52:314:36:1511:3110:01
10:01
-0:58
40K
24.85 mi16:00:304:44:1411:267:59
9:20
-0:41
25.2M
25.20 mi16:03:534:47:3711:253:23
9:49
+0:29
Finish
26.22 mi16:12:024:55:4611:178:09
8:00
-1:49

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

8:00 /mi

Average Pace

11:17 /mi

Slowest Pace

24:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:57:05

60% of race

Time at Slower Pace

1:58:41

40% of race

Average Pace: 11:17 /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 mi11:42:4326:278:3126:27
8:31
#17840
10K
6.21 mi12:08:5652:408:2926:13
8:26
#17392
15K
9.32 mi12:35:461:19:308:3226:50
8:38
#17280
20K
12.43 mi13:02:441:46:288:3426:58
8:41
#16817
Half
13.11 mi13:08:331:52:178:345:49
8:32
#16754
25K
15.53 mi13:30:042:13:488:3721:31
8:52
#16366
30K
18.64 mi14:44:443:28:2811:111:14:40
24:02
#23302
20M
20.00 mi15:05:543:49:3811:2921:10
15:35
#23514
21M
21.00 mi15:19:014:02:4511:3413:07
13:07
#23385
35K
21.75 mi15:28:454:12:2911:379:44
13:01
#23365
23M
23.00 mi15:42:304:26:1411:3513:45
10:59
#23178
24M
24.00 mi15:52:314:36:1511:3110:01
10:01
#23044
40K
24.85 mi16:00:304:44:1411:267:59
9:20
#22815
25.2M
25.20 mi16:03:534:47:3711:253:23
9:49
#22696
Finish
26.22 mi16:12:024:55:4611:178:09
8:00
#22415
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17840111431114317150(Top 67%)10888(Top 75%)10888(Top 225%)
10K6.21 mi3.10 mi17392+44810970+17310970+17316892(Top 66%)10792(Top 74%)10792(Top 223%)
15K9.32 mi3.11 mi17280+11210930+4010930+4017150(Top 67%)10888(Top 75%)10888(Top 225%)
20K12.43 mi3.11 mi16817+46310723+20710723+20715736(Top 62%)10273(Top 70%)10273(Top 212%)
Half13.11 mi0.68 mi16754+6310691+3210691+3215876(Top 62%)10295(Top 71%)10295(Top 212%)
25K15.53 mi2.42 mi16366+38810511+18010511+18014927(Top 58%)9764(Top 67%)9764(Top 201%)
30K18.64 mi3.11 mi23302-693613595-308413595-308425541(Top 100%)14573(Top 100%)14573(Top 301%)
20M20.00 mi1.36 mi23514-21213695-10013695-10025046(Top 98%)14277(Top 98%)14277(Top 294%)
21M21.00 mi1.00 mi23385+12913608+8713608+8720947(Top 82%)12134(Top 83%)12134(Top 250%)
35K21.75 mi0.75 mi23365+2013592+1613592+1623240(Top 91%)13260(Top 91%)13260(Top 273%)
23M23.00 mi1.25 mi23178+18713479+11313479+11318378(Top 72%)10748(Top 74%)10748(Top 222%)
24M24.00 mi1.00 mi23044+13413400+7913400+7916396(Top 64%)9723(Top 67%)9723(Top 201%)
40K24.85 mi0.85 mi22815+22913288+11213288+11212426(Top 49%)7664(Top 53%)7664(Top 158%)
25.2M25.20 mi0.35 mi22696+11913224+6413224+6410140(Top 40%)6447(Top 44%)6447(Top 133%)
Finish26.22 mi1.02 mi22415+28113063+16113063+1618511(Top 33%)5670(Top 39%)5670(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17150

Males

10888

M18-39

10888

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

16892

Males

10792

M18-39

10792

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17150

Males

10888

M18-39

10888

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

15736

Males

10273

M18-39

10273

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

15876

Males

10295

M18-39

10295

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

14927

Males

9764

M18-39

9764

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

25541

Males

14573

M18-39

14573

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

25046

Males

14277

M18-39

14277

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

20947

Males

12134

M18-39

12134

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

23240

Males

13260

M18-39

13260

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

18378

Males

10748

M18-39

10748

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

16396

Males

9723

M18-39

9723

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12426

Males

7664

M18-39

7664

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10140

Males

6447

M18-39

6447

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8511

Males

5670

M18-39

5670

Passing Analysis

Category:
Athletes Passed
3058
Passed By
7633
Net Change
-4575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17840
5K → 10K569121+448#17840#17392
10K → 15K315203+112#17392#17280
15K → 20K51350+463#17280#16817
20K → Half7714+63#16817#16754
Half → 25K41931+388#16754#16366
25K → 30K06936-6936#16366#23302
30K → 20M23235-212#23302#23514
20M → 21M13910+129#23514#23385
21M → 35K5131+20#23385#23365
35K → 23M1881+187#23365#23178
23M → 24M1351+134#23178#23044
24M → 40K2290+229#23044#22815
40K → 25.2M1190+119#22815#22696
25.2M → Finish2810+281#22696#22415
TOTALS30587633-4575
📊

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