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BOSTON MARATHON 2023

Ben Shelly

Bib: 8120•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
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

Start
0:00:00
Race begins
5K· 3.11 mi
23:44
Rank: #10912
Start → 5K
23:44 | 7:38/mi
10K· 6.21 mi
46:52
Rank: #10411 (+501)
5K → 10K
23:08 | 7:27/mi
15K· 9.32 mi
1:11:51
Rank: #11861 (-1450)
10K → 15K
24:59 | 8:02/mi
20K· 12.43 mi
1:36:54
Rank: #12378 (-517)
15K → 20K
25:03 | 8:04/mi
Half· 13.11 mi
1:42:36
Rank: #12629 (-251)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:03:25
Rank: #13419 (-790)
Half → 25K
20:49 | 8:35/mi
30K· 18.64 mi
2:30:00
Rank: #13648 (-229)
25K → 30K
26:35 | 8:33/mi
20M
2:41:42
Rank: #13704 (-56)
30K → 20M
11:42 | 8:37/mi
21M
2:50:42
Rank: #13682 (+22)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:57:04
Rank: #13733 (-51)
21M → 35K
6:22 | 8:31/mi
23M
3:08:28
Rank: #13916 (-183)
35K → 23M
11:24 | 9:06/mi
24M
3:17:23
Rank: #14055 (-139)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:25:20
Rank: #14214 (-159)
24M → 40K
7:57 | 9:18/mi
25.2M
3:28:38
Rank: #14233 (-19)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:36:48
Rank: #14128 (+105)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:36
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:54:12
Pace8:43 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1123:447:3823:44
7:38
-
10K
6.21 mi11:14:1946:527:3323:08
7:27
-0:11
15K
9.32 mi11:39:181:11:517:4324:59
8:02
+0:35
20K
12.43 mi12:04:211:36:547:4825:03
8:04
+0:02
Half
13.11 mi12:10:031:42:367:505:42
8:21
+0:17
25K
15.53 mi12:30:522:03:257:5720:49
8:35
+0:14
30K
18.64 mi12:57:272:30:008:0326:35
8:33
-0:02
20M
20.00 mi13:09:092:41:428:0511:42
8:37
+0:04
21M
21.00 mi13:18:092:50:428:089:00
9:00
+0:23
35K
21.75 mi13:24:312:57:048:096:22
8:31
-0:29
23M
23.00 mi13:35:553:08:288:1211:24
9:06
+0:35
24M
24.00 mi13:44:503:17:238:138:55
8:55
-0:11
40K
24.85 mi13:52:473:25:208:167:57
9:18
+0:23
25.2M
25.20 mi13:56:053:28:388:173:18
9:34
+0:16
Finish
26.22 mi14:04:153:36:488:168:10
8:01
-1:33

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

7:27 /mi

Average Pace

8:16 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:04

48% of race

Time at Steady Pace

1:11:10

33% of race

Time at Slower Pace

40:34

19% of race

Average Pace: 8:16 /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 mi10:51:1123:447:3823:44
7:38
#10912
10K
6.21 mi11:14:1946:527:3323:08
7:27
#10411
15K
9.32 mi11:39:181:11:517:4324:59
8:02
#11861
20K
12.43 mi12:04:211:36:547:4825:03
8:04
#12378
Half
13.11 mi12:10:031:42:367:505:42
8:21
#12629
25K
15.53 mi12:30:522:03:257:5720:49
8:35
#13419
30K
18.64 mi12:57:272:30:008:0326:35
8:33
#13648
20M
20.00 mi13:09:092:41:428:0511:42
8:37
#13704
21M
21.00 mi13:18:092:50:428:089:00
9:00
#13682
35K
21.75 mi13:24:312:57:048:096:22
8:31
#13733
23M
23.00 mi13:35:553:08:288:1211:24
9:06
#13916
24M
24.00 mi13:44:503:17:238:138:55
8:55
#14055
40K
24.85 mi13:52:473:25:208:167:57
9:18
#14214
25.2M
25.20 mi13:56:053:28:388:173:18
9:34
#14233
Finish
26.22 mi14:04:153:36:488:168:10
8:01
#14128
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi109128617861714719(Top 55%)10183(Top 67%)10183(Top 454%)
10K6.21 mi3.10 mi10411+5018366+2518366+25110023(Top 38%)8184(Top 54%)8184(Top 365%)
15K9.32 mi3.11 mi11861-14509032-6669032-66614719(Top 55%)10183(Top 67%)10183(Top 454%)
20K12.43 mi3.11 mi12378-5179225-1939225-19313936(Top 52%)9849(Top 65%)9849(Top 439%)
Half13.11 mi0.68 mi12629-2519336-1119336-11116771(Top 63%)10972(Top 72%)10972(Top 490%)
25K15.53 mi2.42 mi13419-7909648-3129648-31216716(Top 63%)10846(Top 71%)10846(Top 484%)
30K18.64 mi3.11 mi13648-2299708-609708-6014645(Top 55%)9909(Top 65%)9909(Top 442%)
20M20.00 mi1.36 mi13704-569709-19709-114303(Top 54%)9687(Top 64%)9687(Top 432%)
21M21.00 mi1.00 mi13682+229688+219688+2113396(Top 50%)9227(Top 61%)9227(Top 412%)
35K21.75 mi0.75 mi13733-519689-19689-115348(Top 58%)10001(Top 66%)10001(Top 446%)
23M23.00 mi1.25 mi13916-1839724-359724-3516543(Top 62%)10472(Top 69%)10472(Top 467%)
24M24.00 mi1.00 mi14055-1399752-289752-2816817(Top 63%)10539(Top 69%)10539(Top 470%)
40K24.85 mi0.85 mi14214-1599796-449796-4417486(Top 66%)10784(Top 71%)10784(Top 481%)
25.2M25.20 mi0.35 mi14233-199788+89788+815447(Top 58%)9868(Top 65%)9868(Top 440%)
Finish26.22 mi1.02 mi14128+1059734+549734+5412216(Top 46%)8391(Top 55%)8391(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14719

Males

10183

M40-44

10183

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10023

Males

8184

M40-44

8184

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14719

Males

10183

M40-44

10183

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13936

Males

9849

M40-44

9849

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16771

Males

10972

M40-44

10972

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16716

Males

10846

M40-44

10846

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14645

Males

9909

M40-44

9909

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14303

Males

9687

M40-44

9687

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13396

Males

9227

M40-44

9227

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15348

Males

10001

M40-44

10001

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16543

Males

10472

M40-44

10472

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16817

Males

10539

M40-44

10539

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17486

Males

10784

M40-44

10784

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15447

Males

9868

M40-44

9868

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12216

Males

8391

M40-44

8391

Passing Analysis

Category:
Athletes Passed
1292*
Passed By
4508
Net Change
-3216
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10912
5K → 10K596*95+501#10912#10411
10K → 15K151465-1450#10411#11861
15K → 20K48565-517#11861#12378
20K → Half4255-251#12378#12629
Half → 25K29819-790#12629#13419
25K → 30K119348-229#13419#13648
30K → 20M82138-56#13648#13704
20M → 21M10785+22#13704#13682
21M → 35K3889-51#13682#13733
35K → 23M43226-183#13733#13916
23M → 24M34173-139#13916#14055
24M → 40K32191-159#14055#14214
40K → 25.2M2039-19#14214#14233
25.2M → Finish12520+105#14233#14128
TOTALS1292*4508-3216

* 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