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BOSTON MARATHON 2023

John Bennett

Bib: 9007•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:36/mi
23:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
47:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:11:58
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:36:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:41:49
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:00:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:26:38
↑ 181↓ 1480.2%
20M
8:24/mi
2:38:02
↑ 64↓ 500.2%
21M
8:24/mi
2:46:26
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:52:25
↑ 17↓ 861.7%
23M
8:26/mi
3:02:59
↑ 23↓ 630.6%
24M
8:31/mi
3:11:30
↓ 821.3%
40K· 24.85 mi
8:30/mi
3:18:46
↓ 200.3%
25.2M
8:59/mi
3:21:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:30:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:49
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:48:23
Pace8:16 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2123:377:3623:37
7:36
-
10K
6.21 mi11:13:4247:587:4324:21
7:50
+0:14
15K
9.32 mi11:37:421:11:587:4324:00
7:43
-0:07
20K
12.43 mi12:02:221:36:387:4724:40
7:56
+0:13
Half
13.11 mi12:07:331:41:497:465:11
7:36
-0:20
25K
15.53 mi12:26:322:00:487:4718:59
7:50
+0:14
30K
18.64 mi12:52:222:26:387:5225:50
8:19
+0:29
20M
20.00 mi13:03:462:38:027:5411:24
8:24
+0:05
21M
21.00 mi13:12:102:46:267:568:24
8:24
0:00
35K
21.75 mi13:18:092:52:257:565:59
8:00
-0:24
23M
23.00 mi13:28:433:02:597:5710:34
8:26
+0:26
24M
24.00 mi13:37:143:11:307:598:31
8:31
+0:05
40K
24.85 mi13:44:303:18:468:007:16
8:30
-0:01
25.2M
25.20 mi13:47:363:21:528:013:06
8:59
+0:29
Finish
26.22 mi13:55:563:30:128:018:20
8:11
-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

7:36 /mi

Average Pace

8:01 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:57

77% of race

Time at Steady Pace

46:09

22% of race

Time at Slower Pace

3:06

1% of race

Average Pace: 8:01 /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 mi10:49:2123:377:3623:37
7:36
#10546
10K
6.21 mi11:13:4247:587:4324:21
7:50
#11997
15K
9.32 mi11:37:421:11:587:4324:00
7:43
#11968
20K
12.43 mi12:02:221:36:387:4724:40
7:56
#12171
Half
13.11 mi12:07:331:41:497:465:11
7:36
#12107
25K
15.53 mi12:26:322:00:487:4718:59
7:50
#11973
30K
18.64 mi12:52:222:26:387:5225:50
8:19
#12175
20M
20.00 mi13:03:462:38:027:5411:24
8:24
#12238
21M
21.00 mi13:12:102:46:267:568:24
8:24
#12058
35K
21.75 mi13:18:092:52:257:565:59
8:00
#12046
23M
23.00 mi13:28:433:02:597:5710:34
8:26
#12091
24M
24.00 mi13:37:143:11:307:598:31
8:31
#12234
40K
24.85 mi13:44:303:18:468:007:16
8:30
#12262
25.2M
25.20 mi13:47:363:21:528:013:06
8:59
#12267
Finish
26.22 mi13:55:563:30:128:018:20
8:11
#12322
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi105468428842812036(Top 45%)9101(Top 60%)9101(Top 406%)
10K6.21 mi3.10 mi11997-14519113-6859113-68513439(Top 50%)9738(Top 64%)9738(Top 435%)
15K9.32 mi3.11 mi11968+299077+369077+3612036(Top 45%)9101(Top 60%)9101(Top 406%)
20K12.43 mi3.11 mi12171-2039136-599136-5912930(Top 49%)9407(Top 62%)9407(Top 420%)
Half13.11 mi0.68 mi12107+649109+279109+2710979(Top 41%)8618(Top 57%)8618(Top 385%)
25K15.53 mi2.42 mi11973+1349033+769033+7611339(Top 43%)8646(Top 57%)8646(Top 386%)
30K18.64 mi3.11 mi12175-2029080-479080-4713105(Top 49%)9274(Top 61%)9274(Top 414%)
20M20.00 mi1.36 mi12238-639099-199099-1913006(Top 49%)9118(Top 60%)9118(Top 407%)
21M21.00 mi1.00 mi12058+1809002+979002+979791(Top 37%)7481(Top 49%)7481(Top 334%)
35K21.75 mi0.75 mi12046+128975+278975+2712086(Top 45%)8595(Top 57%)8595(Top 384%)
23M23.00 mi1.25 mi12091-458967+88967+812827(Top 48%)8833(Top 58%)8833(Top 394%)
24M24.00 mi1.00 mi12234-1439011-449011-4414541(Top 55%)9538(Top 63%)9538(Top 426%)
40K24.85 mi0.85 mi12262-289010+19010+113291(Top 50%)8909(Top 59%)8909(Top 398%)
25.2M25.20 mi0.35 mi12267-58997+138997+1312398(Top 47%)8461(Top 56%)8461(Top 378%)
Finish26.22 mi1.02 mi12322-559002-59002-513259(Top 50%)8904(Top 59%)8904(Top 397%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12036

Males

9101

M40-44

9101

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13439

Males

9738

M40-44

9738

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12036

Males

9101

M40-44

9101

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12930

Males

9407

M40-44

9407

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10979

Males

8618

M40-44

8618

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11339

Males

8646

M40-44

8646

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13105

Males

9274

M40-44

9274

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13006

Males

9118

M40-44

9118

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9791

Males

7481

M40-44

7481

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12086

Males

8595

M40-44

8595

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12827

Males

8833

M40-44

8833

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14541

Males

9538

M40-44

9538

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13291

Males

8909

M40-44

8909

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12398

Males

8461

M40-44

8461

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13259

Males

8904

M40-44

8904

Passing Analysis

Category:
Athletes Passed
1312
Passed By
3088
Net Change
-1776
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10546
5K → 10K331484-1451#10546#11997
10K → 15K211182+29#11997#11968
15K → 20K107310-203#11968#12171
20K → Half717+64#12171#12107
Half → 25K18955+134#12107#11973
25K → 30K138340-202#11973#12175
30K → 20M79142-63#12175#12238
20M → 21M19111+180#12238#12058
21M → 35K5341+12#12058#12046
35K → 23M70115-45#12046#12091
23M → 24M30173-143#12091#12234
24M → 40K4876-28#12234#12262
40K → 25.2M3237-5#12262#12267
25.2M → Finish60115-55#12267#12322
TOTALS13123088-1776
📊

Passing Visuals

Category:
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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