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BOSTON MARATHON 2023

Adam Shiff

Bib: 11405•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M55-59)
#0 / 1422
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:31
Rank: #10236
Start → 5K
23:31 | 7:34/mi
10K· 6.21 mi
46:11
Rank: #9430 (+806)
5K → 10K
22:40 | 7:18/mi
15K· 9.32 mi
1:09:02
Rank: #9227 (+203)
10K → 15K
22:51 | 7:21/mi
20K· 12.43 mi
1:31:59
Rank: #9012 (+215)
15K → 20K
22:57 | 7:23/mi
Half· 13.11 mi
1:36:55
Rank: #8956 (+56)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:55:10
Rank: #8921 (+35)
Half → 25K
18:15 | 7:32/mi
30K· 18.64 mi
2:18:41
Rank: #8674 (+247)
25K → 30K
23:31 | 7:34/mi
20M
2:28:53
Rank: #8510 (+164)
30K → 20M
10:12 | 7:30/mi
21M
2:36:38
Rank: #8332 (+178)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:41:56
Rank: #8211 (+121)
21M → 35K
5:18 | 7:05/mi
23M
2:51:22
Rank: #8084 (+127)
35K → 23M
9:26 | 7:32/mi
24M
2:58:43
Rank: #7987 (+97)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
3:05:02
Rank: #7886 (+101)
24M → 40K
6:19 | 7:23/mi
25.2M
3:07:47
Rank: #7856 (+30)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:15:00
Rank: #7724 (+132)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:38:05
Pace7:29 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1123:317:3423:31
7:34
-
10K
6.21 mi11:13:5146:117:2622:40
7:18
-0:16
15K
9.32 mi11:36:421:09:027:2422:51
7:21
+0:03
20K
12.43 mi11:59:391:31:597:2422:57
7:23
+0:02
Half
13.11 mi12:04:351:36:557:244:56
7:14
-0:09
25K
15.53 mi12:22:501:55:107:2518:15
7:32
+0:18
30K
18.64 mi12:46:212:18:417:2623:31
7:34
+0:02
20M
20.00 mi12:56:332:28:537:2710:12
7:30
-0:04
21M
21.00 mi13:04:182:36:387:287:45
7:45
+0:15
35K
21.75 mi13:09:362:41:567:275:18
7:05
-0:40
23M
23.00 mi13:19:022:51:227:279:26
7:32
+0:27
24M
24.00 mi13:26:232:58:437:277:21
7:21
-0:11
40K
24.85 mi13:32:423:05:027:276:19
7:23
+0:02
25.2M
25.20 mi13:35:273:07:477:272:45
7:58
+0:35
Finish
26.22 mi13:42:403:15:007:277:13
7:05
-0:53

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

7:05 /mi

Average Pace

7:27 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:15

99% of race

Time at Steady Pace

2:45

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:51:1123:317:3423:31
7:34
#10236
10K
6.21 mi11:13:5146:117:2622:40
7:18
#9430
15K
9.32 mi11:36:421:09:027:2422:51
7:21
#9227
20K
12.43 mi11:59:391:31:597:2422:57
7:23
#9012
Half
13.11 mi12:04:351:36:557:244:56
7:14
#8956
25K
15.53 mi12:22:501:55:107:2518:15
7:32
#8921
30K
18.64 mi12:46:212:18:417:2623:31
7:34
#8674
20M
20.00 mi12:56:332:28:537:2710:12
7:30
#8510
21M
21.00 mi13:04:182:36:387:287:45
7:45
#8332
35K
21.75 mi13:09:362:41:567:275:18
7:05
#8211
23M
23.00 mi13:19:022:51:227:279:26
7:32
#8084
24M
24.00 mi13:26:232:58:437:277:21
7:21
#7987
40K
24.85 mi13:32:423:05:027:276:19
7:23
#7886
25.2M
25.20 mi13:35:273:07:477:272:45
7:58
#7856
Finish
26.22 mi13:42:403:15:007:277:13
7:05
#7724
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10236824682468957(Top 34%)7513(Top 50%)7513(Top 528%)
10K6.21 mi3.10 mi9430+8067834+4127834+4128824(Top 33%)7470(Top 49%)7470(Top 525%)
15K9.32 mi3.11 mi9227+2037703+1317703+1318957(Top 34%)7513(Top 50%)7513(Top 528%)
20K12.43 mi3.11 mi9012+2157557+1467557+1468396(Top 32%)7126(Top 47%)7126(Top 501%)
Half13.11 mi0.68 mi8956+567517+407517+408057(Top 30%)6929(Top 46%)6929(Top 487%)
25K15.53 mi2.42 mi8921+357490+277490+278949(Top 34%)7396(Top 49%)7396(Top 520%)
30K18.64 mi3.11 mi8674+2477298+1927298+1927709(Top 29%)6517(Top 43%)6517(Top 458%)
20M20.00 mi1.36 mi8510+1647177+1217177+1216822(Top 26%)5862(Top 39%)5862(Top 412%)
21M21.00 mi1.00 mi8332+1787042+1357042+1355915(Top 22%)5142(Top 34%)5142(Top 362%)
35K21.75 mi0.75 mi8211+1216956+866956+865835(Top 22%)5125(Top 34%)5125(Top 360%)
23M23.00 mi1.25 mi8084+1276856+1006856+1006621(Top 25%)5588(Top 37%)5588(Top 393%)
24M24.00 mi1.00 mi7987+976776+806776+806725(Top 25%)5564(Top 37%)5564(Top 391%)
40K24.85 mi0.85 mi7886+1016695+816695+815999(Top 23%)5023(Top 33%)5023(Top 353%)
25.2M25.20 mi0.35 mi7856+306672+236672+236337(Top 24%)5173(Top 34%)5173(Top 364%)
Finish26.22 mi1.02 mi7724+1326562+1106562+1105714(Top 21%)4741(Top 31%)4741(Top 333%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

8957

Males

7513

M55-59

7513

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8824

Males

7470

M55-59

7470

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

8957

Males

7513

M55-59

7513

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8396

Males

7126

M55-59

7126

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8057

Males

6929

M55-59

6929

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8949

Males

7396

M55-59

7396

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7709

Males

6517

M55-59

6517

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6822

Males

5862

M55-59

5862

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5915

Males

5142

M55-59

5142

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5835

Males

5125

M55-59

5125

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6621

Males

5588

M55-59

5588

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6725

Males

5564

M55-59

5564

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5999

Males

5023

M55-59

5023

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6337

Males

5173

M55-59

5173

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5714

Males

4741

M55-59

4741

Passing Analysis

Category:
Athletes Passed
2899*
Passed By
387
Net Change
+2512
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10236
5K → 10K869*63+806#10236#9430
10K → 15K26663+203#9430#9227
15K → 20K25035+215#9227#9012
20K → Half615+56#9012#8956
Half → 25K11176+35#8956#8921
25K → 30K30053+247#8921#8674
30K → 20M17612+164#8674#8510
20M → 21M1846+178#8510#8332
21M → 35K1232+121#8332#8211
35K → 23M15124+127#8211#8084
23M → 24M11215+97#8084#7987
24M → 40K11312+101#7987#7886
40K → 25.2M388+30#7886#7856
25.2M → Finish14513+132#7856#7724
TOTALS2899*387+2512

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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