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BOSTON MARATHON 2023

Brian Shober

Bib: 4948•M

IN

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #4207
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
54:41
Rank: #19672 (-15465)
5K → 10K
33:42 | 10:51/mi
15K· 9.32 mi
1:16:18
Rank: #15714 (+3958)
10K → 15K
21:37 | 6:57/mi
20K· 12.43 mi
1:38:44
Rank: #13656 (+2058)
15K → 20K
22:26 | 7:13/mi
Half· 13.11 mi
1:43:28
Rank: #13253 (+403)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
2:02:23
Rank: #12849 (+404)
Half → 25K
18:55 | 7:48/mi
30K· 18.64 mi
2:28:28
Rank: #13024 (-175)
25K → 30K
26:05 | 8:24/mi
20M
2:39:57
Rank: #13026 (-2)
30K → 20M
11:29 | 8:27/mi
21M
2:49:17
Rank: #13134 (-108)
20M → 21M
9:20 | 9:20/mi
35K· 21.75 mi
2:55:49
Rank: #13286 (-152)
21M → 35K
6:32 | 8:44/mi
23M
3:06:24
Rank: #13227 (+59)
35K → 23M
10:35 | 8:27/mi
24M
3:15:22
Rank: #13418 (-191)
23M → 24M
8:58 | 8:58/mi
40K· 24.85 mi
3:23:31
Rank: #13672 (-254)
24M → 40K
8:09 | 9:32/mi
25.2M
3:26:38
Rank: #13644 (+28)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:34:37
Rank: #13527 (+117)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:28
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:51:09
Pace8:29 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2120:596:4520:59
6:45
-
10K
6.21 mi10:58:0354:418:4833:42
10:51
+4:06
15K
9.32 mi11:19:401:16:188:1121:37
6:57
-3:54
20K
12.43 mi11:42:061:38:447:5722:26
7:13
+0:16
Half
13.11 mi11:46:501:43:287:544:44
6:56
-0:17
25K
15.53 mi12:05:452:02:237:5318:55
7:48
+0:52
30K
18.64 mi12:31:502:28:287:5826:05
8:24
+0:36
20M
20.00 mi12:43:192:39:578:0011:29
8:27
+0:03
21M
21.00 mi12:52:392:49:178:049:20
9:20
+0:53
35K
21.75 mi12:59:112:55:498:056:32
8:44
-0:36
23M
23.00 mi13:09:463:06:248:0610:35
8:27
-0:17
24M
24.00 mi13:18:443:15:228:088:58
8:58
+0:31
40K
24.85 mi13:26:533:23:318:118:09
9:32
+0:34
25.2M
25.20 mi13:30:003:26:388:123:07
9:02
-0:30
Finish
26.22 mi13:37:593:34:378:117:59
7:50
-1:12

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

6:45 /mi

Average Pace

8:11 /mi

Slowest Pace

10:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:40

45% of race

Time at Steady Pace

1:03:39

30% of race

Time at Slower Pace

54:18

25% of race

Average Pace: 8:11 /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 mi10:24:2120:596:4520:59
6:45
#4207
10K
6.21 mi10:58:0354:418:4833:42
10:51
#19672
15K
9.32 mi11:19:401:16:188:1121:37
6:57
#15714
20K
12.43 mi11:42:061:38:447:5722:26
7:13
#13656
Half
13.11 mi11:46:501:43:287:544:44
6:56
#13253
25K
15.53 mi12:05:452:02:237:5318:55
7:48
#12849
30K
18.64 mi12:31:502:28:287:5826:05
8:24
#13024
20M
20.00 mi12:43:192:39:578:0011:29
8:27
#13026
21M
21.00 mi12:52:392:49:178:049:20
9:20
#13134
35K
21.75 mi12:59:112:55:498:056:32
8:44
#13286
23M
23.00 mi13:09:463:06:248:0610:35
8:27
#13227
24M
24.00 mi13:18:443:15:228:088:58
8:58
#13418
40K
24.85 mi13:26:533:23:318:118:09
9:32
#13672
25.2M
25.20 mi13:30:003:26:388:123:07
9:02
#13644
Finish
26.22 mi13:37:593:34:378:117:59
7:50
#13527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4207394339436310(Top 24%)5705(Top 38%)5705(Top 108%)
10K6.21 mi3.10 mi19672-1546512079-813612079-813625255(Top 95%)14647(Top 97%)14647(Top 277%)
15K9.32 mi3.11 mi15714+395810591+148810591+14886310(Top 24%)5705(Top 38%)5705(Top 108%)
20K12.43 mi3.11 mi13656+20589754+8379754+8377231(Top 27%)6374(Top 42%)6374(Top 121%)
Half13.11 mi0.68 mi13253+4039599+1559599+1556249(Top 23%)5692(Top 38%)5692(Top 108%)
25K15.53 mi2.42 mi12849+4049404+1959404+19511101(Top 42%)8556(Top 56%)8556(Top 162%)
30K18.64 mi3.11 mi13024-1759447-439447-4313664(Top 51%)9516(Top 63%)9516(Top 180%)
20M20.00 mi1.36 mi13026-29428+199428+1913312(Top 50%)9270(Top 61%)9270(Top 175%)
21M21.00 mi1.00 mi13134-1089461-339461-3315145(Top 57%)9980(Top 66%)9980(Top 189%)
35K21.75 mi0.75 mi13286-1529507-469507-4616547(Top 62%)10499(Top 69%)10499(Top 199%)
23M23.00 mi1.25 mi13227+599461+469461+4612916(Top 49%)8878(Top 59%)8878(Top 168%)
24M24.00 mi1.00 mi13418-1919516-559516-5517050(Top 64%)10640(Top 70%)10640(Top 201%)
40K24.85 mi0.85 mi13672-2549587-719587-7118419(Top 69%)11226(Top 74%)11226(Top 212%)
25.2M25.20 mi0.35 mi13644+289573+149573+1412693(Top 48%)8606(Top 57%)8606(Top 163%)
Finish26.22 mi1.02 mi13527+1179506+679506+6710932(Top 41%)7769(Top 51%)7769(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6310

Males

5705

M18-39

5705

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25255

Males

14647

M18-39

14647

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6310

Males

5705

M18-39

5705

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7231

Males

6374

M18-39

6374

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6249

Males

5692

M18-39

5692

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11101

Males

8556

M18-39

8556

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13664

Males

9516

M18-39

9516

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13312

Males

9270

M18-39

9270

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15145

Males

9980

M18-39

9980

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16547

Males

10499

M18-39

10499

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12916

Males

8878

M18-39

8878

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17050

Males

10640

M18-39

10640

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18419

Males

11226

M18-39

11226

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12693

Males

8606

M18-39

8606

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10932

Males

7769

M18-39

7769

Passing Analysis

Category:
Athletes Passed
7484
Passed By
16802
Net Change
-9320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4207
5K → 10K015463-15465#4207#19672
10K → 15K39580+3958#19672#15714
15K → 20K20580+2058#15714#13656
20K → Half4030+403#13656#13253
Half → 25K4117+404#13253#12849
25K → 30K132307-175#12849#13024
30K → 20M8890-2#13024#13026
20M → 21M66174-108#13026#13134
21M → 35K23175-152#13134#13286
35K → 23M11859+59#13286#13227
23M → 24M28219-191#13227#13418
24M → 40K16270-254#13418#13672
40K → 25.2M5123+28#13672#13644
25.2M → Finish13215+117#13644#13527
TOTALS748416802-9320
📊

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