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BOSTON MARATHON 2023

Jonathan Bolha

Bib: 5936•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 28%
Masters (Masters Men)
#0 / 9891
Top 15%
Division (M40-44)
#0 / 2241
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #4547
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
41:52
Rank: #4362 (+185)
5K → 10K
20:47 | 6:41/mi
15K· 9.32 mi
1:03:11
Rank: #4788 (-426)
10K → 15K
21:19 | 6:52/mi
20K· 12.43 mi
1:23:48
Rank: #4289 (+499)
15K → 20K
20:37 | 6:38/mi
Half· 13.11 mi
1:28:12
Rank: #4165 (+124)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:44:10
Rank: #3827 (+338)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:05:38
Rank: #3773 (+54)
25K → 30K
21:28 | 6:55/mi
20M
2:15:15
Rank: #3796 (-23)
30K → 20M
9:37 | 7:05/mi
21M
2:23:46
Rank: #4271 (-475)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:28:55
Rank: #4286 (-15)
21M → 35K
5:09 | 6:53/mi
23M
2:38:21
Rank: #4489 (-203)
35K → 23M
9:26 | 7:32/mi
24M
2:46:01
Rank: #4654 (-165)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
2:52:17
Rank: #4672 (-18)
24M → 40K
6:16 | 7:20/mi
25.2M
2:55:13
Rank: #4708 (-36)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:02:15
Rank: #4674 (+34)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:12
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:34:03
Pace7:10 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5621:056:4721:05
6:47
-
10K
6.21 mi10:44:4341:526:4420:47
6:41
-0:06
15K
9.32 mi11:06:021:03:116:4721:19
6:52
+0:11
20K
12.43 mi11:26:391:23:486:4520:37
6:38
-0:14
Half
13.11 mi11:31:031:28:126:444:24
6:27
-0:11
25K
15.53 mi11:47:011:44:106:4215:58
6:35
+0:08
30K
18.64 mi12:08:292:05:386:4421:28
6:55
+0:20
20M
20.00 mi12:18:062:15:156:469:37
7:05
+0:10
21M
21.00 mi12:26:372:23:466:518:31
8:31
+1:26
35K
21.75 mi12:31:462:28:556:515:09
6:53
-1:38
23M
23.00 mi12:41:122:38:216:539:26
7:32
+0:39
24M
24.00 mi12:48:522:46:016:557:40
7:40
+0:08
40K
24.85 mi12:55:082:52:176:566:16
7:20
-0:20
25.2M
25.20 mi12:58:042:55:136:572:56
8:30
+1:10
Finish
26.22 mi13:05:063:02:156:577:02
6:54
-1:36

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

6:27 /mi

Average Pace

6:57 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:22

11% of race

Time at Steady Pace

2:07:04

70% of race

Time at Slower Pace

34:49

19% of race

Average Pace: 6:57 /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 mi10:23:5621:056:4721:05
6:47
#4547
10K
6.21 mi10:44:4341:526:4420:47
6:41
#4362
15K
9.32 mi11:06:021:03:116:4721:19
6:52
#4788
20K
12.43 mi11:26:391:23:486:4520:37
6:38
#4289
Half
13.11 mi11:31:031:28:126:444:24
6:27
#4165
25K
15.53 mi11:47:011:44:106:4215:58
6:35
#3827
30K
18.64 mi12:08:292:05:386:4421:28
6:55
#3773
20M
20.00 mi12:18:062:15:156:469:37
7:05
#3796
21M
21.00 mi12:26:372:23:466:518:31
8:31
#4271
35K
21.75 mi12:31:462:28:556:515:09
6:53
#4286
23M
23.00 mi12:41:122:38:216:539:26
7:32
#4489
24M
24.00 mi12:48:522:46:016:557:40
7:40
#4654
40K
24.85 mi12:55:082:52:176:566:16
7:20
#4672
25.2M
25.20 mi12:58:042:55:136:572:56
8:30
#4708
Finish
26.22 mi13:05:063:02:156:577:02
6:54
#4674
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4547424142415650(Top 21%)5187(Top 34%)5187(Top 231%)
10K6.21 mi3.10 mi4362+1854086+1554086+1554239(Top 16%)3972(Top 26%)3972(Top 177%)
15K9.32 mi3.11 mi4788-4264455-3694455-3695650(Top 21%)5187(Top 34%)5187(Top 231%)
20K12.43 mi3.11 mi4289+4994019+4364019+4363089(Top 12%)2941(Top 19%)2941(Top 131%)
Half13.11 mi0.68 mi4165+1243909+1103909+1102534(Top 10%)2433(Top 16%)2433(Top 109%)
25K15.53 mi2.42 mi3827+3383614+2953614+2952637(Top 10%)2525(Top 17%)2525(Top 113%)
30K18.64 mi3.11 mi3773+543561+533561+533726(Top 14%)3498(Top 23%)3498(Top 156%)
20M20.00 mi1.36 mi3796-233580-193580-194467(Top 17%)4108(Top 27%)4108(Top 183%)
21M21.00 mi1.00 mi4271-4753994-4143994-41410535(Top 40%)7868(Top 52%)7868(Top 351%)
35K21.75 mi0.75 mi4286-154009-154009-154677(Top 18%)4242(Top 28%)4242(Top 189%)
23M23.00 mi1.25 mi4489-2034185-1764185-1766583(Top 25%)5550(Top 37%)5550(Top 248%)
24M24.00 mi1.00 mi4654-1654330-1454330-1458812(Top 33%)6781(Top 45%)6781(Top 303%)
40K24.85 mi0.85 mi4672-184336-64336-65607(Top 21%)4754(Top 31%)4754(Top 212%)
25.2M25.20 mi0.35 mi4708-364364-284364-289418(Top 35%)6944(Top 46%)6944(Top 310%)
Finish26.22 mi1.02 mi4674+344324+404324+404621(Top 17%)4010(Top 26%)4010(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5650

Males

5187

M40-44

5187

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4239

Males

3972

M40-44

3972

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5650

Males

5187

M40-44

5187

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3089

Males

2941

M40-44

2941

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2534

Males

2433

M40-44

2433

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2637

Males

2525

M40-44

2525

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3726

Males

3498

M40-44

3498

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4467

Males

4108

M40-44

4108

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10535

Males

7868

M40-44

7868

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4677

Males

4242

M40-44

4242

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6583

Males

5550

M40-44

5550

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8812

Males

6781

M40-44

6781

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5607

Males

4754

M40-44

4754

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9418

Males

6944

M40-44

6944

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4621

Males

4010

M40-44

4010

Passing Analysis

Category:
Athletes Passed
1685
Passed By
1812
Net Change
-127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4547
5K → 10K306121+185#4547#4362
10K → 15K32458-426#4362#4788
15K → 20K4990+499#4788#4289
20K → Half1240+124#4289#4165
Half → 25K3413+338#4165#3827
25K → 30K13076+54#3827#3773
30K → 20M5174-23#3773#3796
20M → 21M11486-475#3796#4271
21M → 35K3146-15#4271#4286
35K → 23M30233-203#4286#4489
23M → 24M13178-165#4489#4654
24M → 40K3755-18#4654#4672
40K → 25.2M844-36#4672#4708
25.2M → Finish7238+34#4708#4674
TOTALS16851812-127
📊

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