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BOSTON MARATHON 2023

John Ammondson

Bib: 1805•M

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
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
22:13
Rank: #7173
Start → 5K
22:13 | 7:09/mi
10K· 6.21 mi
44:45
Rank: #7771 (-598)
5K → 10K
22:32 | 7:15/mi
15K· 9.32 mi
1:07:06
Rank: #7734 (+37)
10K → 15K
22:21 | 7:12/mi
20K· 12.43 mi
1:29:33
Rank: #7586 (+148)
15K → 20K
22:27 | 7:14/mi
Half· 13.11 mi
1:34:11
Rank: #7437 (+149)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:51:41
Rank: #7303 (+134)
Half → 25K
17:30 | 7:13/mi
30K· 18.64 mi
2:14:16
Rank: #7006 (+297)
25K → 30K
22:35 | 7:16/mi
20M
2:24:06
Rank: #6871 (+135)
30K → 20M
9:50 | 7:14/mi
21M
2:31:33
Rank: #6681 (+190)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:36:36
Rank: #6561 (+120)
21M → 35K
5:03 | 6:45/mi
23M
2:45:35
Rank: #6395 (+166)
35K → 23M
8:59 | 7:10/mi
24M
2:52:42
Rank: #6293 (+102)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:58:53
Rank: #6216 (+77)
24M → 40K
6:11 | 7:14/mi
25.2M
3:01:34
Rank: #6179 (+37)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:08:29
Rank: #6048 (+131)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:34:11
Pace7:11 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:18
Pace7:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3122:137:0922:13
7:09
-
10K
6.21 mi10:45:0344:457:1222:32
7:15
+0:06
15K
9.32 mi11:07:241:07:067:1222:21
7:12
-0:03
20K
12.43 mi11:29:511:29:337:1222:27
7:14
+0:02
Half
13.11 mi11:34:291:34:117:114:38
6:47
-0:27
25K
15.53 mi11:51:591:51:417:1117:30
7:13
+0:26
30K
18.64 mi12:14:342:14:167:1222:35
7:16
+0:03
20M
20.00 mi12:24:242:24:067:129:50
7:14
-0:02
21M
21.00 mi12:31:512:31:337:137:27
7:27
+0:13
35K
21.75 mi12:36:542:36:367:125:03
6:45
-0:42
23M
23.00 mi12:45:532:45:357:128:59
7:10
+0:25
24M
24.00 mi12:53:002:52:427:127:07
7:07
-0:03
40K
24.85 mi12:59:112:58:537:126:11
7:14
+0:07
25.2M
25.20 mi13:01:523:01:347:122:41
7:47
+0:33
Finish
26.22 mi13:08:473:08:297:126:55
6:47
-1:00

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

6:45 /mi

Average Pace

7:12 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:21

95% of race

Time at Steady Pace

10:08

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi10:22:3122:137:0922:13
7:09
#7173
10K
6.21 mi10:45:0344:457:1222:32
7:15
#7771
15K
9.32 mi11:07:241:07:067:1222:21
7:12
#7734
20K
12.43 mi11:29:511:29:337:1222:27
7:14
#7586
Half
13.11 mi11:34:291:34:117:114:38
6:47
#7437
25K
15.53 mi11:51:591:51:417:1117:30
7:13
#7303
30K
18.64 mi12:14:342:14:167:1222:35
7:16
#7006
20M
20.00 mi12:24:242:24:067:129:50
7:14
#6871
21M
21.00 mi12:31:512:31:337:137:27
7:27
#6681
35K
21.75 mi12:36:542:36:367:125:03
6:45
#6561
23M
23.00 mi12:45:532:45:357:128:59
7:10
#6395
24M
24.00 mi12:53:002:52:427:127:07
7:07
#6293
40K
24.85 mi12:59:112:58:537:126:11
7:14
#6216
25.2M
25.20 mi13:01:523:01:347:122:41
7:47
#6179
Finish
26.22 mi13:08:473:08:297:126:55
6:47
#6048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7173640264027752(Top 29%)6752(Top 44%)6752(Top 128%)
10K6.21 mi3.10 mi7771-5986821-4196821-4198492(Top 32%)7251(Top 48%)7251(Top 137%)
15K9.32 mi3.11 mi7734+376780+416780+417752(Top 29%)6752(Top 44%)6752(Top 128%)
20K12.43 mi3.11 mi7586+1486663+1176663+1177246(Top 27%)6379(Top 42%)6379(Top 121%)
Half13.11 mi0.68 mi7437+1496562+1016562+1015225(Top 20%)4835(Top 32%)4835(Top 91%)
25K15.53 mi2.42 mi7303+1346455+1076455+1076756(Top 25%)5973(Top 39%)5973(Top 113%)
30K18.64 mi3.11 mi7006+2976218+2376218+2375869(Top 22%)5278(Top 35%)5278(Top 100%)
20M20.00 mi1.36 mi6871+1356105+1136105+1135307(Top 20%)4782(Top 32%)4782(Top 90%)
21M21.00 mi1.00 mi6681+1905946+1595946+1594363(Top 16%)3989(Top 26%)3989(Top 75%)
35K21.75 mi0.75 mi6561+1205852+945852+943918(Top 15%)3612(Top 24%)3612(Top 68%)
23M23.00 mi1.25 mi6395+1665719+1335719+1334684(Top 18%)4227(Top 28%)4227(Top 80%)
24M24.00 mi1.00 mi6293+1025635+845635+845287(Top 20%)4632(Top 31%)4632(Top 88%)
40K24.85 mi0.85 mi6216+775563+725563+725058(Top 19%)4388(Top 29%)4388(Top 83%)
25.2M25.20 mi0.35 mi6179+375529+345529+345271(Top 20%)4451(Top 29%)4451(Top 84%)
Finish26.22 mi1.02 mi6048+1315418+1115418+1114013(Top 15%)3552(Top 23%)3552(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7752

Males

6752

M18-39

6752

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8492

Males

7251

M18-39

7251

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7752

Males

6752

M18-39

6752

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7246

Males

6379

M18-39

6379

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5225

Males

4835

M18-39

4835

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6756

Males

5973

M18-39

5973

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5869

Males

5278

M18-39

5278

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5307

Males

4782

M18-39

4782

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4363

Males

3989

M18-39

3989

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3918

Males

3612

M18-39

3612

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4684

Males

4227

M18-39

4227

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5287

Males

4632

M18-39

4632

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5058

Males

4388

M18-39

4388

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5271

Males

4451

M18-39

4451

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4013

Males

3552

M18-39

3552

Passing Analysis

Category:
Athletes Passed
2030
Passed By
905
Net Change
+1125
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7173
5K → 10K54652-598#7173#7771
10K → 15K152115+37#7771#7734
15K → 20K19749+148#7734#7586
20K → Half1501+149#7586#7437
Half → 25K15521+134#7437#7303
25K → 30K31518+297#7303#7006
30K → 20M1427+135#7006#6871
20M → 21M1900+190#6871#6681
21M → 35K1211+120#6681#6561
35K → 23M1704+166#6561#6395
23M → 24M11917+102#6395#6293
24M → 40K869+77#6293#6216
40K → 25.2M447+37#6216#6179
25.2M → Finish1354+131#6179#6048
TOTALS2030905+1125
📊

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