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BOSTON MARATHON 2023

James Holt

Bib: 4169•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
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
22:40
Rank: #8079
Start → 5K
22:40 | 7:18/mi
10K· 6.21 mi
46:10
Rank: #9410 (-1331)
5K → 10K
23:30 | 7:34/mi
15K· 9.32 mi
1:08:53
Rank: #9110 (+300)
10K → 15K
22:43 | 7:19/mi
20K· 12.43 mi
1:32:10
Rank: #9119 (-9)
15K → 20K
23:17 | 7:30/mi
Half· 13.11 mi
1:37:08
Rank: #9089 (+30)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:55:27
Rank: #9079 (+10)
Half → 25K
18:19 | 7:33/mi
30K· 18.64 mi
2:19:27
Rank: #9012 (+67)
25K → 30K
24:00 | 7:43/mi
20M
2:29:58
Rank: #8936 (+76)
30K → 20M
10:31 | 7:44/mi
21M
2:38:16
Rank: #8936
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:43:45
Rank: #8856 (+80)
21M → 35K
5:29 | 7:20/mi
23M
2:53:26
Rank: #8787 (+69)
35K → 23M
9:41 | 7:44/mi
24M
3:00:56
Rank: #8707 (+80)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
3:07:38
Rank: #8690 (+17)
24M → 40K
6:42 | 7:50/mi
25.2M
3:10:43
Rank: #8735 (-45)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:19:02
Rank: #8897 (-162)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:08
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:41:54
Pace7:46 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5722:407:1822:40
7:18
-
10K
6.21 mi10:48:2746:107:2623:30
7:34
+0:16
15K
9.32 mi11:11:101:08:537:2322:43
7:19
-0:15
20K
12.43 mi11:34:271:32:107:2523:17
7:30
+0:11
Half
13.11 mi11:39:251:37:087:254:58
7:17
-0:13
25K
15.53 mi11:57:441:55:277:2618:19
7:33
+0:16
30K
18.64 mi12:21:442:19:277:2924:00
7:43
+0:10
20M
20.00 mi12:32:152:29:587:3010:31
7:44
+0:01
21M
21.00 mi12:40:332:38:167:328:18
8:18
+0:34
35K
21.75 mi12:46:022:43:457:325:29
7:20
-0:58
23M
23.00 mi12:55:432:53:267:329:41
7:44
+0:24
24M
24.00 mi13:03:133:00:567:327:30
7:30
-0:14
40K
24.85 mi13:09:553:07:387:336:42
7:50
+0:20
25.2M
25.20 mi13:13:003:10:437:343:05
8:56
+1:06
Finish
26.22 mi13:21:193:19:027:368:19
8:10
-0:46

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

7:17 /mi

Average Pace

7:36 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:50

28% of race

Time at Steady Pace

1:56:48

59% of race

Time at Slower Pace

26:24

13% of race

Average Pace: 7:35 /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 mi10:24:5722:407:1822:40
7:18
#8079
10K
6.21 mi10:48:2746:107:2623:30
7:34
#9410
15K
9.32 mi11:11:101:08:537:2322:43
7:19
#9110
20K
12.43 mi11:34:271:32:107:2523:17
7:30
#9119
Half
13.11 mi11:39:251:37:087:254:58
7:17
#9089
25K
15.53 mi11:57:441:55:277:2618:19
7:33
#9079
30K
18.64 mi12:21:442:19:277:2924:00
7:43
#9012
20M
20.00 mi12:32:152:29:587:3010:31
7:44
#8936
21M
21.00 mi12:40:332:38:167:328:18
8:18
#8936
35K
21.75 mi12:46:022:43:457:325:29
7:20
#8856
23M
23.00 mi12:55:432:53:267:329:41
7:44
#8787
24M
24.00 mi13:03:133:00:567:327:30
7:30
#8707
40K
24.85 mi13:09:553:07:387:336:42
7:50
#8690
25.2M
25.20 mi13:13:003:10:437:343:05
8:56
#8735
Finish
26.22 mi13:21:193:19:027:368:19
8:10
#8897
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8079702470248658(Top 33%)7346(Top 48%)7346(Top 139%)
10K6.21 mi3.10 mi9410-13317821-7977821-79710966(Top 41%)8655(Top 57%)8655(Top 164%)
15K9.32 mi3.11 mi9110+3007630+1917630+1918658(Top 33%)7346(Top 48%)7346(Top 139%)
20K12.43 mi3.11 mi9119-97623+77623+79253(Top 35%)7655(Top 50%)7655(Top 145%)
Half13.11 mi0.68 mi9089+307601+227601+228431(Top 32%)7170(Top 47%)7170(Top 136%)
25K15.53 mi2.42 mi9079+107596+57596+59175(Top 34%)7537(Top 50%)7537(Top 143%)
30K18.64 mi3.11 mi9012+677509+877509+878822(Top 33%)7171(Top 47%)7171(Top 136%)
20M20.00 mi1.36 mi8936+767447+627447+628427(Top 32%)6852(Top 45%)6852(Top 130%)
21M21.00 mi1.00 mi89367425+227425+229213(Top 35%)7185(Top 47%)7185(Top 136%)
35K21.75 mi0.75 mi8856+807365+607365+607329(Top 28%)6102(Top 40%)6102(Top 115%)
23M23.00 mi1.25 mi8787+697291+747291+747953(Top 30%)6388(Top 42%)6388(Top 121%)
24M24.00 mi1.00 mi8707+807224+677224+677696(Top 29%)6134(Top 40%)6134(Top 116%)
40K24.85 mi0.85 mi8690+177191+337191+338889(Top 33%)6751(Top 44%)6751(Top 128%)
25.2M25.20 mi0.35 mi8735-457202-117202-1112083(Top 45%)8277(Top 55%)8277(Top 157%)
Finish26.22 mi1.02 mi8897-1627285-837285-8313133(Top 49%)8829(Top 58%)8829(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8658

Males

7346

M18-39

7346

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10966

Males

8655

M18-39

8655

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8658

Males

7346

M18-39

7346

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9253

Males

7655

M18-39

7655

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8431

Males

7170

M18-39

7170

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9175

Males

7537

M18-39

7537

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8822

Males

7171

M18-39

7171

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8427

Males

6852

M18-39

6852

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9213

Males

7185

M18-39

7185

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7329

Males

6102

M18-39

6102

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7953

Males

6388

M18-39

6388

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7696

Males

6134

M18-39

6134

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8889

Males

6751

M18-39

6751

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12083

Males

8277

M18-39

8277

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13133

Males

8829

M18-39

8829

Passing Analysis

Category:
Athletes Passed
1429
Passed By
2247
Net Change
-818
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8079
5K → 10K181349-1331#8079#9410
10K → 15K33939+300#9410#9110
15K → 20K123132-9#9110#9119
20K → Half4212+30#9119#9089
Half → 25K121111+10#9089#9079
25K → 30K197130+67#9079#9012
30K → 20M12145+76#9012#8936
20M → 21M74740#8936#8936
21M → 35K899+80#8936#8856
35K → 23M10334+69#8856#8787
23M → 24M10020+80#8787#8707
24M → 40K7053+17#8707#8690
40K → 25.2M1560-45#8690#8735
25.2M → Finish17179-162#8735#8897
TOTALS14292247-818
📊

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