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BOSTON MARATHON 2025

Todd Heintz

Bib: 12665•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
Division (M50-54)
#0 / 1996
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:57
Rank: #11174
Start → 5K
22:57 | 7:23/mi
10K· 6.21 mi
46:00
Rank: #11256 (-82)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:09:08
Rank: #11218 (+38)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:32:13
Rank: #10929 (+289)
15K → 20K
23:05 | 7:26/mi
Half· 13.11 mi
1:37:18
Rank: #10946 (-17)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:55:53
Rank: #10975 (-29)
Half → 25K
18:35 | 7:40/mi
30K· 18.64 mi
2:20:10
Rank: #10750 (+225)
25K → 30K
24:17 | 7:49/mi
20M
2:30:50
Rank: #10612 (+138)
30K → 20M
10:40 | 7:51/mi
21M
2:38:39
Rank: #10276 (+336)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:44:20
Rank: #10232 (+44)
21M → 35K
5:41 | 7:36/mi
23M
2:53:53
Rank: #10011 (+221)
35K → 23M
9:33 | 7:38/mi
24M
3:01:24
Rank: #9858 (+153)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:08:00
Rank: #9778 (+80)
24M → 40K
6:36 | 7:43/mi
25.2M
3:10:49
Rank: #9708 (+70)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:18:26
Rank: #9651 (+57)
25.2M → Finish
7:37 | 7:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:18
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:41:08
Pace7:43 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1522:577:2322:57
7:23
-
10K
6.21 mi11:13:1846:007:2423:03
7:25
+0:02
15K
9.32 mi11:36:261:09:087:2523:08
7:27
+0:02
20K
12.43 mi11:59:311:32:137:2523:05
7:26
-0:01
Half
13.11 mi12:04:361:37:187:255:05
7:27
+0:01
25K
15.53 mi12:23:111:55:537:2818:35
7:40
+0:13
30K
18.64 mi12:47:282:20:107:3124:17
7:49
+0:09
20M
20.00 mi12:58:082:30:507:3210:40
7:51
+0:02
21M
21.00 mi13:05:572:38:397:337:49
7:49
-0:02
35K
21.75 mi13:11:382:44:207:335:41
7:36
-0:13
23M
23.00 mi13:21:112:53:537:349:33
7:38
+0:02
24M
24.00 mi13:28:423:01:247:347:31
7:31
-0:07
40K
24.85 mi13:35:183:08:007:346:36
7:43
+0:12
25.2M
25.20 mi13:38:073:10:497:342:49
8:10
+0:27
Finish
26.22 mi13:45:443:18:267:347:37
7:28
-0:42

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

7:23 /mi

Average Pace

7:34 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:37

99% of race

Time at Steady Pace

2:49

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:50:1522:577:2322:57
7:23
#11174
10K
6.21 mi11:13:1846:007:2423:03
7:25
#11256
15K
9.32 mi11:36:261:09:087:2523:08
7:27
#11218
20K
12.43 mi11:59:311:32:137:2523:05
7:26
#10929
Half
13.11 mi12:04:361:37:187:255:05
7:27
#10946
25K
15.53 mi12:23:111:55:537:2818:35
7:40
#10975
30K
18.64 mi12:47:282:20:107:3124:17
7:49
#10750
20M
20.00 mi12:58:082:30:507:3210:40
7:51
#10612
21M
21.00 mi13:05:572:38:397:337:49
7:49
#10276
35K
21.75 mi13:11:382:44:207:335:41
7:36
#10232
23M
23.00 mi13:21:112:53:537:349:33
7:38
#10011
24M
24.00 mi13:28:423:01:247:347:31
7:31
#9858
40K
24.85 mi13:35:183:08:007:346:36
7:43
#9778
25.2M
25.20 mi13:38:073:10:497:342:49
8:10
#9708
Finish
26.22 mi13:45:443:18:267:347:37
7:28
#9651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi111748781878111280(Top 40%)8726(Top 54%)8726(Top 437%)
10K6.21 mi3.10 mi11256-828798-178798-1711340(Top 40%)8822(Top 55%)8822(Top 442%)
15K9.32 mi3.11 mi11218+388761+378761+3711280(Top 40%)8726(Top 54%)8726(Top 437%)
20K12.43 mi3.11 mi10929+2898599+1628599+16210145(Top 36%)8089(Top 50%)8089(Top 405%)
Half13.11 mi0.68 mi10946-178600-18600-111232(Top 40%)8643(Top 54%)8643(Top 433%)
25K15.53 mi2.42 mi10975-298568+328568+3211243(Top 40%)8498(Top 53%)8498(Top 426%)
30K18.64 mi3.11 mi10750+2258383+1858383+18510065(Top 35%)7719(Top 48%)7719(Top 387%)
20M20.00 mi1.36 mi10612+1388273+1108273+1109355(Top 33%)7182(Top 45%)7182(Top 360%)
21M21.00 mi1.00 mi10276+3368071+2028071+2026299(Top 22%)5267(Top 33%)5267(Top 264%)
35K21.75 mi0.75 mi10232+448031+408031+409294(Top 33%)7000(Top 43%)7000(Top 351%)
23M23.00 mi1.25 mi10011+2217872+1597872+1597432(Top 26%)5835(Top 36%)5835(Top 292%)
24M24.00 mi1.00 mi9858+1537766+1067766+1067824(Top 28%)6018(Top 37%)6018(Top 302%)
40K24.85 mi0.85 mi9778+807683+837683+838209(Top 29%)6108(Top 38%)6108(Top 306%)
25.2M25.20 mi0.35 mi9708+707632+517632+516866(Top 24%)5285(Top 33%)5285(Top 265%)
Finish26.22 mi1.02 mi9651+577555+777555+778995(Top 32%)6435(Top 40%)6435(Top 322%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11280

Males

8726

M50-54

8726

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11340

Males

8822

M50-54

8822

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11280

Males

8726

M50-54

8726

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10145

Males

8089

M50-54

8089

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11232

Males

8643

M50-54

8643

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11243

Males

8498

M50-54

8498

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

10065

Males

7719

M50-54

7719

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9355

Males

7182

M50-54

7182

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6299

Males

5267

M50-54

5267

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9294

Males

7000

M50-54

7000

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7432

Males

5835

M50-54

5835

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7824

Males

6018

M50-54

6018

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8209

Males

6108

M50-54

6108

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6866

Males

5285

M50-54

5285

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8995

Males

6435

M50-54

6435

Passing Analysis

Category:
Athletes Passed
2578*
Passed By
1055
Net Change
+1523
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11174
5K → 10K208290-82#11174#11256
10K → 15K214176+38#11256#11218
15K → 20K33041+289#11218#10929
20K → Half3047-17#10929#10946
Half → 25K158187-29#10946#10975
25K → 30K344119+225#10975#10750
30K → 20M17941+138#10750#10612
20M → 21M3404+336#10612#10276
21M → 35K7733+44#10276#10232
35K → 23M23716+221#10232#10011
23M → 24M168*15+153#10011#9858
24M → 40K10828+80#9858#9778
40K → 25.2M8212+70#9778#9708
25.2M → Finish10346+57#9708#9651
TOTALS2578*1055+1523

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

📊

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