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BOSTON MARATHON 2023

Jerry Moulton

Bib: 1793•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 44%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:26
Rank: #9997
Start → 5K
23:26 | 7:33/mi
10K· 6.21 mi
46:24
Rank: #9720 (+277)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:55
Rank: #10053 (-333)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:33:16
Rank: #9866 (+187)
15K → 20K
23:21 | 7:31/mi
Half· 13.11 mi
1:38:15
Rank: #9794 (+72)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:56:20
Rank: #9542 (+252)
Half → 25K
18:05 | 7:27/mi
30K· 18.64 mi
2:19:41
Rank: #9103 (+439)
25K → 30K
23:21 | 7:31/mi
20M
2:29:38
Rank: #8802 (+301)
30K → 20M
9:57 | 7:19/mi
21M
2:37:04
Rank: #8497 (+305)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:42:01
Rank: #8243 (+254)
21M → 35K
4:57 | 6:37/mi
23M
2:51:03
Rank: #7973 (+270)
35K → 23M
9:02 | 7:13/mi
24M
2:58:08
Rank: #7807 (+166)
23M → 24M
7:05 | 7:05/mi
40K· 24.85 mi
3:04:15
Rank: #7634 (+173)
24M → 40K
6:07 | 7:09/mi
25.2M
3:06:57
Rank: #7589 (+45)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:15:45
Rank: #7939 (-350)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:15
Pace7:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:30
Pace7:26 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0323:267:3323:26
7:33
-
10K
6.21 mi11:12:0146:247:2822:58
7:24
-0:09
15K
9.32 mi11:35:321:09:557:3023:31
7:34
+0:10
20K
12.43 mi11:58:531:33:167:3023:21
7:31
-0:03
Half
13.11 mi12:03:521:38:157:304:59
7:18
-0:13
25K
15.53 mi12:21:571:56:207:2918:05
7:27
+0:09
30K
18.64 mi12:45:182:19:417:3023:21
7:31
+0:04
20M
20.00 mi12:55:152:29:387:299:57
7:19
-0:12
21M
21.00 mi13:02:412:37:047:297:26
7:26
+0:07
35K
21.75 mi13:07:382:42:017:274:57
6:37
-0:49
23M
23.00 mi13:16:402:51:037:269:02
7:13
+0:36
24M
24.00 mi13:23:452:58:087:257:05
7:05
-0:08
40K
24.85 mi13:29:523:04:157:256:07
7:09
+0:04
25.2M
25.20 mi13:32:343:06:577:252:42
7:50
+0:41
Finish
26.22 mi13:41:223:15:457:288:48
8:38
+0:48

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

6:37 /mi

Average Pace

7:28 /mi

Slowest Pace

8:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:11

14% of race

Time at Steady Pace

2:37:04

80% of race

Time at Slower Pace

11:30

6% of race

Average Pace: 7:28 /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 mi10:49:0323:267:3323:26
7:33
#9997
10K
6.21 mi11:12:0146:247:2822:58
7:24
#9720
15K
9.32 mi11:35:321:09:557:3023:31
7:34
#10053
20K
12.43 mi11:58:531:33:167:3023:21
7:31
#9866
Half
13.11 mi12:03:521:38:157:304:59
7:18
#9794
25K
15.53 mi12:21:571:56:207:2918:05
7:27
#9542
30K
18.64 mi12:45:182:19:417:3023:21
7:31
#9103
20M
20.00 mi12:55:152:29:387:299:57
7:19
#8802
21M
21.00 mi13:02:412:37:047:297:26
7:26
#8497
35K
21.75 mi13:07:382:42:017:274:57
6:37
#8243
23M
23.00 mi13:16:402:51:037:269:02
7:13
#7973
24M
24.00 mi13:23:452:58:087:257:05
7:05
#7807
40K
24.85 mi13:29:523:04:157:256:07
7:09
#7634
25.2M
25.20 mi13:32:343:06:577:252:42
7:50
#7589
Finish
26.22 mi13:41:223:15:457:288:48
8:38
#7939
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi99978122812210736(Top 40%)8518(Top 56%)8518(Top 161%)
10K6.21 mi3.10 mi9720+2777993+1297993+1299532(Top 36%)7882(Top 52%)7882(Top 149%)
15K9.32 mi3.11 mi10053-3338191-1988191-19810736(Top 40%)8518(Top 56%)8518(Top 161%)
20K12.43 mi3.11 mi9866+1878073+1188073+1189418(Top 35%)7744(Top 51%)7744(Top 147%)
Half13.11 mi0.68 mi9794+728032+418032+418580(Top 32%)7244(Top 48%)7244(Top 137%)
25K15.53 mi2.42 mi9542+2527864+1687864+1688456(Top 32%)7096(Top 47%)7096(Top 134%)
30K18.64 mi3.11 mi9103+4397567+2977567+2977325(Top 28%)6273(Top 41%)6273(Top 119%)
20M20.00 mi1.36 mi8802+3017365+2027365+2025770(Top 22%)5130(Top 34%)5130(Top 97%)
21M21.00 mi1.00 mi8497+3057151+2147151+2144305(Top 16%)3945(Top 26%)3945(Top 75%)
35K21.75 mi0.75 mi8243+2546978+1736978+1733148(Top 12%)2950(Top 19%)2950(Top 56%)
23M23.00 mi1.25 mi7973+2706785+1936785+1934894(Top 18%)4393(Top 29%)4393(Top 83%)
24M24.00 mi1.00 mi7807+1666663+1226663+1225128(Top 19%)4528(Top 30%)4528(Top 86%)
40K24.85 mi0.85 mi7634+1736541+1226541+1224662(Top 18%)4113(Top 27%)4113(Top 78%)
25.2M25.20 mi0.35 mi7589+456496+456496+455560(Top 21%)4659(Top 31%)4659(Top 88%)
Finish26.22 mi1.02 mi7939-3506696-2006696-20016132(Top 61%)10214(Top 67%)10214(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10736

Males

8518

M18-39

8518

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9532

Males

7882

M18-39

7882

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10736

Males

8518

M18-39

8518

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9418

Males

7744

M18-39

7744

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8580

Males

7244

M18-39

7244

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8456

Males

7096

M18-39

7096

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7325

Males

6273

M18-39

6273

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5770

Males

5130

M18-39

5130

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4305

Males

3945

M18-39

3945

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3148

Males

2950

M18-39

2950

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4894

Males

4393

M18-39

4393

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5128

Males

4528

M18-39

4528

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4662

Males

4113

M18-39

4113

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5560

Males

4659

M18-39

4659

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16132

Males

10214

M18-39

10214

Passing Analysis

Category:
Athletes Passed
3153*
Passed By
1093
Net Change
+2058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9997
5K → 10K463186+277#9997#9720
10K → 15K79410-333#9720#10053
15K → 20K275*88+187#10053#9866
20K → Half753+72#9866#9794
Half → 25K26715+252#9794#9542
25K → 30K451*12+439#9542#9103
30K → 20M3021+301#9103#8802
20M → 21M3061+305#8802#8497
21M → 35K2540+254#8497#8243
35K → 23M2744+270#8243#7973
23M → 24M1715+166#7973#7807
24M → 40K1774+173#7807#7634
40K → 25.2M505+45#7634#7589
25.2M → Finish9359-350#7589#7939
TOTALS3153*1093+2058

* 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