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BOSTON MARATHON 2023

James Bonner

Bib: 2563•M

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 27%
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
20:40
Rank: #3252
Start → 5K
20:40 | 6:39/mi
10K· 6.21 mi
41:42
Rank: #4091 (-839)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:02:39
Rank: #4231 (-140)
10K → 15K
20:57 | 6:45/mi
20K· 12.43 mi
1:23:33
Rank: #4102 (+129)
15K → 20K
20:54 | 6:44/mi
Half· 13.11 mi
1:28:03
Rank: #4040 (+62)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:44:24
Rank: #3972 (+68)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:06:27
Rank: #4148 (-176)
25K → 30K
22:03 | 7:06/mi
20M
2:16:13
Rank: #4253 (-105)
30K → 20M
9:46 | 7:11/mi
21M
2:23:51
Rank: #4314 (-61)
20M → 21M
7:38 | 7:38/mi
35K· 21.75 mi
2:28:59
Rank: #4314
21M → 35K
5:08 | 6:52/mi
23M
2:38:06
Rank: #4384 (-70)
35K → 23M
9:07 | 7:17/mi
24M
2:45:06
Rank: #4408 (-24)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:51:24
Rank: #4454 (-46)
24M → 40K
6:18 | 7:22/mi
25.2M
2:53:58
Rank: #4429 (+25)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:01:06
Rank: #4442 (-13)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:03
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:33:03
Pace7:06 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3620:406:3920:40
6:39
-
10K
6.21 mi10:42:3841:426:4321:02
6:46
+0:07
15K
9.32 mi11:03:351:02:396:4320:57
6:45
-0:01
20K
12.43 mi11:24:291:23:336:4320:54
6:44
-0:01
Half
13.11 mi11:28:591:28:036:434:30
6:36
-0:08
25K
15.53 mi11:45:201:44:246:4316:21
6:45
+0:09
30K
18.64 mi12:07:232:06:276:4722:03
7:06
+0:21
20M
20.00 mi12:17:092:16:136:499:46
7:11
+0:05
21M
21.00 mi12:24:472:23:516:517:38
7:38
+0:27
35K
21.75 mi12:29:552:28:596:515:08
6:52
-0:46
23M
23.00 mi12:39:022:38:066:529:07
7:17
+0:25
24M
24.00 mi12:46:022:45:066:537:00
7:00
-0:17
40K
24.85 mi12:52:202:51:246:546:18
7:22
+0:22
25.2M
25.20 mi12:54:542:53:586:542:34
7:27
+0:05
Finish
26.22 mi13:02:023:01:066:557:08
7:00
-0:27

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

6:36 /mi

Average Pace

6:55 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:29

86% of race

Time at Steady Pace

25:37

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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 mi10:21:3620:406:3920:40
6:39
#3252
10K
6.21 mi10:42:3841:426:4321:02
6:46
#4091
15K
9.32 mi11:03:351:02:396:4320:57
6:45
#4231
20K
12.43 mi11:24:291:23:336:4320:54
6:44
#4102
Half
13.11 mi11:28:591:28:036:434:30
6:36
#4040
25K
15.53 mi11:45:201:44:246:4316:21
6:45
#3972
30K
18.64 mi12:07:232:06:276:4722:03
7:06
#4148
20M
20.00 mi12:17:092:16:136:499:46
7:11
#4253
21M
21.00 mi12:24:472:23:516:517:38
7:38
#4314
35K
21.75 mi12:29:552:28:596:515:08
6:52
#4314
23M
23.00 mi12:39:022:38:066:529:07
7:17
#4384
24M
24.00 mi12:46:022:45:066:537:00
7:00
#4408
40K
24.85 mi12:52:202:51:246:546:18
7:22
#4454
25.2M
25.20 mi12:54:542:53:586:542:34
7:27
#4429
Finish
26.22 mi13:02:023:01:066:557:08
7:00
#4442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3252307130714543(Top 17%)4242(Top 28%)4242(Top 80%)
10K6.21 mi3.10 mi4091-8393846-7753846-7754983(Top 19%)4615(Top 30%)4615(Top 87%)
15K9.32 mi3.11 mi4231-1403965-1193965-1194543(Top 17%)4242(Top 28%)4242(Top 80%)
20K12.43 mi3.11 mi4102+1293851+1143851+1143782(Top 14%)3570(Top 24%)3570(Top 68%)
Half13.11 mi0.68 mi4040+623795+563795+563437(Top 13%)3268(Top 22%)3268(Top 62%)
25K15.53 mi2.42 mi3972+683740+553740+553706(Top 14%)3491(Top 23%)3491(Top 66%)
30K18.64 mi3.11 mi4148-1763900-1603900-1604911(Top 18%)4519(Top 30%)4519(Top 86%)
20M20.00 mi1.36 mi4253-1053989-893989-895029(Top 19%)4562(Top 30%)4562(Top 86%)
21M21.00 mi1.00 mi4314-614033-444033-445245(Top 20%)4641(Top 31%)4641(Top 88%)
35K21.75 mi0.75 mi43144032+14032+14557(Top 17%)4148(Top 27%)4148(Top 78%)
23M23.00 mi1.25 mi4384-704096-644096-645193(Top 20%)4601(Top 30%)4601(Top 87%)
24M24.00 mi1.00 mi4408-244115-194115-194661(Top 18%)4175(Top 28%)4175(Top 79%)
40K24.85 mi0.85 mi4454-464155-404155-405837(Top 22%)4903(Top 32%)4903(Top 93%)
25.2M25.20 mi0.35 mi4429+254130+254130+253647(Top 14%)3275(Top 22%)3275(Top 62%)
Finish26.22 mi1.02 mi4442-134137-74137-75187(Top 19%)4395(Top 29%)4395(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4543

Males

4242

M18-39

4242

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4983

Males

4615

M18-39

4615

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4543

Males

4242

M18-39

4242

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3782

Males

3570

M18-39

3570

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3437

Males

3268

M18-39

3268

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3706

Males

3491

M18-39

3491

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4911

Males

4519

M18-39

4519

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5029

Males

4562

M18-39

4562

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5245

Males

4641

M18-39

4641

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4557

Males

4148

M18-39

4148

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5193

Males

4601

M18-39

4601

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4661

Males

4175

M18-39

4175

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5837

Males

4903

M18-39

4903

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3647

Males

3275

M18-39

3275

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5187

Males

4395

M18-39

4395

Passing Analysis

Category:
Athletes Passed
837
Passed By
2027
Net Change
-1190
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3252
5K → 10K20859-839#3252#4091
10K → 15K81221-140#4091#4231
15K → 20K16637+129#4231#4102
20K → Half664+62#4102#4040
Half → 25K11143+68#4040#3972
25K → 30K69245-176#3972#4148
30K → 20M37142-105#4148#4253
20M → 21M46107-61#4253#4314
21M → 35K41410#4314#4314
35K → 23M53123-70#4314#4384
23M → 24M4165-24#4384#4408
24M → 40K3076-46#4408#4454
40K → 25.2M294+25#4454#4429
25.2M → Finish4760-13#4429#4442
TOTALS8372027-1190
📊

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