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BOSTON MARATHON 2023

John Heptig

Bib: 9588•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:32
Rank: #10274
Start → 5K
23:32 | 7:34/mi
10K· 6.21 mi
46:33
Rank: #9931 (+343)
5K → 10K
23:01 | 7:25/mi
15K· 9.32 mi
1:09:22
Rank: #9545 (+386)
10K → 15K
22:49 | 7:21/mi
20K· 12.43 mi
1:32:35
Rank: #9410 (+135)
15K → 20K
23:13 | 7:28/mi
Half· 13.11 mi
1:37:36
Rank: #9382 (+28)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:55:35
Rank: #9142 (+240)
Half → 25K
17:59 | 7:25/mi
30K· 18.64 mi
2:19:16
Rank: #8927 (+215)
25K → 30K
23:41 | 7:37/mi
20M
2:29:35
Rank: #8782 (+145)
30K → 20M
10:19 | 7:36/mi
21M
2:37:37
Rank: #8693 (+89)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:43:05
Rank: #8625 (+68)
21M → 35K
5:28 | 7:18/mi
23M
2:52:31
Rank: #8478 (+147)
35K → 23M
9:26 | 7:32/mi
24M
2:59:44
Rank: #8323 (+155)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
3:06:04
Rank: #8206 (+117)
24M → 40K
6:20 | 7:24/mi
25.2M
3:08:47
Rank: #8153 (+53)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:16:05
Rank: #8044 (+109)
25.2M → Finish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:36
Pace7:27 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:29
Pace7:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2123:327:3423:32
7:34
-
10K
6.21 mi11:12:2246:337:2923:01
7:25
-0:09
15K
9.32 mi11:35:111:09:227:2722:49
7:21
-0:04
20K
12.43 mi11:58:241:32:357:2723:13
7:28
+0:07
Half
13.11 mi12:03:251:37:367:275:01
7:21
-0:07
25K
15.53 mi12:21:241:55:357:2617:59
7:25
+0:04
30K
18.64 mi12:45:052:19:167:2823:41
7:37
+0:12
20M
20.00 mi12:55:242:29:357:2910:19
7:36
-0:01
21M
21.00 mi13:03:262:37:377:308:02
8:02
+0:26
35K
21.75 mi13:08:542:43:057:305:28
7:18
-0:44
23M
23.00 mi13:18:202:52:317:309:26
7:32
+0:14
24M
24.00 mi13:25:332:59:447:297:13
7:13
-0:19
40K
24.85 mi13:31:533:06:047:296:20
7:24
+0:11
25.2M
25.20 mi13:34:363:08:477:292:43
7:53
+0:29
Finish
26.22 mi13:41:543:16:057:297:18
7:10
-0:43

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

7:10 /mi

Average Pace

7:29 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:20

95% of race

Time at Steady Pace

10:45

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi10:49:2123:327:3423:32
7:34
#10274
10K
6.21 mi11:12:2246:337:2923:01
7:25
#9931
15K
9.32 mi11:35:111:09:227:2722:49
7:21
#9545
20K
12.43 mi11:58:241:32:357:2723:13
7:28
#9410
Half
13.11 mi12:03:251:37:367:275:01
7:21
#9382
25K
15.53 mi12:21:241:55:357:2617:59
7:25
#9142
30K
18.64 mi12:45:052:19:167:2823:41
7:37
#8927
20M
20.00 mi12:55:242:29:357:2910:19
7:36
#8782
21M
21.00 mi13:03:262:37:377:308:02
8:02
#8693
35K
21.75 mi13:08:542:43:057:305:28
7:18
#8625
23M
23.00 mi13:18:202:52:317:309:26
7:32
#8478
24M
24.00 mi13:25:332:59:447:297:13
7:13
#8323
40K
24.85 mi13:31:533:06:047:296:20
7:24
#8206
25.2M
25.20 mi13:34:363:08:477:292:43
7:53
#8153
Finish
26.22 mi13:41:543:16:057:297:18
7:10
#8044
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi10274827282728892(Top 33%)7469(Top 49%)7469(Top 333%)
10K6.21 mi3.10 mi9931+3438105+1678105+1679678(Top 36%)7974(Top 53%)7974(Top 356%)
15K9.32 mi3.11 mi9545+3867894+2117894+2118892(Top 33%)7469(Top 49%)7469(Top 333%)
20K12.43 mi3.11 mi9410+1357801+937801+939086(Top 34%)7544(Top 50%)7544(Top 337%)
Half13.11 mi0.68 mi9382+287780+217780+218956(Top 34%)7472(Top 49%)7472(Top 333%)
25K15.53 mi2.42 mi9142+2407634+1467634+1468152(Top 31%)6903(Top 45%)6903(Top 308%)
30K18.64 mi3.11 mi8927+2157458+1767458+1768098(Top 30%)6740(Top 44%)6740(Top 301%)
20M20.00 mi1.36 mi8782+1457352+1067352+1067429(Top 28%)6234(Top 41%)6234(Top 278%)
21M21.00 mi1.00 mi8693+897278+747278+747541(Top 28%)6209(Top 41%)6209(Top 277%)
35K21.75 mi0.75 mi8625+687221+577221+577164(Top 27%)6004(Top 40%)6004(Top 268%)
23M23.00 mi1.25 mi8478+1477106+1157106+1156627(Top 25%)5594(Top 37%)5594(Top 250%)
24M24.00 mi1.00 mi8323+1556990+1166990+1165846(Top 22%)5012(Top 33%)5012(Top 224%)
40K24.85 mi0.85 mi8206+1176892+986892+986139(Top 23%)5113(Top 34%)5113(Top 228%)
25.2M25.20 mi0.35 mi8153+536852+406852+405827(Top 22%)4847(Top 32%)4847(Top 216%)
Finish26.22 mi1.02 mi8044+1096763+896763+896184(Top 23%)5057(Top 33%)5057(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8892

Males

7469

M40-44

7469

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9678

Males

7974

M40-44

7974

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8892

Males

7469

M40-44

7469

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9086

Males

7544

M40-44

7544

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8956

Males

7472

M40-44

7472

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8152

Males

6903

M40-44

6903

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8098

Males

6740

M40-44

6740

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7429

Males

6234

M40-44

6234

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7541

Males

6209

M40-44

6209

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7164

Males

6004

M40-44

6004

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6627

Males

5594

M40-44

5594

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5846

Males

5012

M40-44

5012

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6139

Males

5113

M40-44

5113

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5827

Males

4847

M40-44

4847

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6184

Males

5057

M40-44

5057

Passing Analysis

Category:
Athletes Passed
2717*
Passed By
487
Net Change
+2230
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10274
5K → 10K503*160+343#10274#9931
10K → 15K42842+386#9931#9545
15K → 20K21075+135#9545#9410
20K → Half3911+28#9410#9382
Half → 25K25717+240#9382#9142
25K → 30K28368+215#9142#8927
30K → 20M15712+145#8927#8782
20M → 21M12536+89#8782#8693
21M → 35K8012+68#8693#8625
35K → 23M16518+147#8625#8478
23M → 24M1594+155#8478#8323
24M → 40K12811+117#8323#8206
40K → 25.2M552+53#8206#8153
25.2M → Finish12819+109#8153#8044
TOTALS2717*487+2230

* 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