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BOSTON MARATHON 2023

Benjamin Chansky

Bib: 4566•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:27
Rank: #2750
Start → 5K
20:27 | 6:35/mi
10K· 6.21 mi
41:00
Rank: #3149 (-399)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:01:37
Rank: #3272 (-123)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:22:22
Rank: #3274 (-2)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:26:52
Rank: #3278 (-4)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:09
Rank: #3279 (-1)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:04:08
Rank: #3107 (+172)
25K → 30K
20:59 | 6:45/mi
20M
2:13:26
Rank: #3083 (+24)
30K → 20M
9:18 | 6:51/mi
21M
2:20:27
Rank: #3006 (+77)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:25:28
Rank: #3014 (-8)
21M → 35K
5:01 | 6:42/mi
23M
2:34:09
Rank: #3010 (+4)
35K → 23M
8:41 | 6:56/mi
24M
2:40:57
Rank: #3016 (-6)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:46:54
Rank: #3010 (+6)
24M → 40K
5:57 | 6:58/mi
25.2M
2:49:29
Rank: #3018 (-8)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:56:20
Rank: #3010 (+8)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:52
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3920:276:3520:27
6:35
-
10K
6.21 mi10:43:1241:006:3620:33
6:37
+0:02
15K
9.32 mi11:03:491:01:376:3720:37
6:38
+0:01
20K
12.43 mi11:24:341:22:226:3820:45
6:41
+0:03
Half
13.11 mi11:29:041:26:526:384:30
6:36
-0:05
25K
15.53 mi11:45:211:43:096:3816:17
6:43
+0:07
30K
18.64 mi12:06:202:04:086:4020:59
6:45
+0:02
20M
20.00 mi12:15:382:13:266:409:18
6:51
+0:06
21M
21.00 mi12:22:392:20:276:417:01
7:01
+0:10
35K
21.75 mi12:27:402:25:286:415:01
6:42
-0:19
23M
23.00 mi12:36:212:34:096:428:41
6:56
+0:14
24M
24.00 mi12:43:092:40:576:426:48
6:48
-0:08
40K
24.85 mi12:49:062:46:546:435:57
6:58
+0:10
25.2M
25.20 mi12:51:412:49:296:442:35
7:29
+0:31
Finish
26.22 mi12:58:322:56:206:446:51
6:43
-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

6:35 /mi

Average Pace

6:44 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:45

99% of race

Time at Steady Pace

2:35

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:22:3920:276:3520:27
6:35
#2750
10K
6.21 mi10:43:1241:006:3620:33
6:37
#3149
15K
9.32 mi11:03:491:01:376:3720:37
6:38
#3272
20K
12.43 mi11:24:341:22:226:3820:45
6:41
#3274
Half
13.11 mi11:29:041:26:526:384:30
6:36
#3278
25K
15.53 mi11:45:211:43:096:3816:17
6:43
#3279
30K
18.64 mi12:06:202:04:086:4020:59
6:45
#3107
20M
20.00 mi12:15:382:13:266:409:18
6:51
#3083
21M
21.00 mi12:22:392:20:276:417:01
7:01
#3006
35K
21.75 mi12:27:402:25:286:415:01
6:42
#3014
23M
23.00 mi12:36:212:34:096:428:41
6:56
#3010
24M
24.00 mi12:43:092:40:576:426:48
6:48
#3016
40K
24.85 mi12:49:062:46:546:435:57
6:58
#3010
25.2M
25.20 mi12:51:412:49:296:442:35
7:29
#3018
Finish
26.22 mi12:58:322:56:206:446:51
6:43
#3010
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2750261826183569(Top 13%)3373(Top 22%)3373(Top 64%)
10K6.21 mi3.10 mi3149-3992990-3722990-3723594(Top 14%)3394(Top 22%)3394(Top 64%)
15K9.32 mi3.11 mi3272-1233110-1203110-1203569(Top 13%)3373(Top 22%)3373(Top 64%)
20K12.43 mi3.11 mi3274-23114-43114-43397(Top 13%)3220(Top 21%)3220(Top 61%)
Half13.11 mi0.68 mi3278-43118-43118-43366(Top 13%)3197(Top 21%)3197(Top 60%)
25K15.53 mi2.42 mi3279-13122-43122-43467(Top 13%)3280(Top 22%)3280(Top 62%)
30K18.64 mi3.11 mi3107+1722958+1642958+1642711(Top 10%)2575(Top 17%)2575(Top 49%)
20M20.00 mi1.36 mi3083+242935+232935+233076(Top 12%)2890(Top 19%)2890(Top 55%)
21M21.00 mi1.00 mi3006+772861+742861+742222(Top 8%)2100(Top 14%)2100(Top 40%)
35K21.75 mi0.75 mi3014-82866-52866-53561(Top 13%)3295(Top 22%)3295(Top 62%)
23M23.00 mi1.25 mi3010+42860+62860+63423(Top 13%)3171(Top 21%)3171(Top 60%)
24M24.00 mi1.00 mi3016-62863-32863-33626(Top 14%)3325(Top 22%)3325(Top 63%)
40K24.85 mi0.85 mi3010+62853+102853+103598(Top 14%)3262(Top 21%)3262(Top 62%)
25.2M25.20 mi0.35 mi3018-82862-92862-93791(Top 14%)3381(Top 22%)3381(Top 64%)
Finish26.22 mi1.02 mi3010+82850+122850+123614(Top 14%)3228(Top 21%)3228(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3569

Males

3373

M18-39

3373

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3594

Males

3394

M18-39

3394

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3569

Males

3373

M18-39

3373

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3397

Males

3220

M18-39

3220

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3366

Males

3197

M18-39

3197

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3467

Males

3280

M18-39

3280

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2711

Males

2575

M18-39

2575

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3076

Males

2890

M18-39

2890

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2222

Males

2100

M18-39

2100

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3561

Males

3295

M18-39

3295

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3423

Males

3171

M18-39

3171

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3626

Males

3325

M18-39

3325

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3598

Males

3262

M18-39

3262

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3791

Males

3381

M18-39

3381

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3614

Males

3228

M18-39

3228

Passing Analysis

Category:
Athletes Passed
833
Passed By
1093
Net Change
-260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2750
5K → 10K43442-399#2750#3149
10K → 15K46169-123#3149#3272
15K → 20K8789-2#3272#3274
20K → Half2024-4#3274#3278
Half → 25K6667-1#3278#3279
25K → 30K19321+172#3279#3107
30K → 20M5329+24#3107#3083
20M → 21M9215+77#3083#3006
21M → 35K3139-8#3006#3014
35K → 23M5551+4#3014#3010
23M → 24M3945-6#3010#3016
24M → 40K4337+6#3016#3010
40K → 25.2M1624-8#3010#3018
25.2M → Finish4941+8#3018#3010
TOTALS8331093-260
📊

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