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BOSTON MARATHON 2023

Brock Morrissette

Bib: 30174•M

MA

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
33:16
Rank: #25196
Start → 5K
33:16 | 10:42/mi
10K· 6.21 mi
1:06:20
Rank: #25048 (+148)
5K → 10K
33:04 | 10:39/mi
15K· 9.32 mi
1:39:39
Rank: #24963 (+85)
10K → 15K
33:19 | 10:43/mi
20K· 12.43 mi
2:14:15
Rank: #24927 (+36)
15K → 20K
34:36 | 11:08/mi
Half· 13.11 mi
2:21:57
Rank: #24948 (-21)
20K → Half
7:42 | 11:17/mi
25K· 15.53 mi
2:50:16
Rank: #24948
Half → 25K
28:19 | 11:41/mi
30K· 18.64 mi
3:30:32
Rank: #25086 (-138)
25K → 30K
40:16 | 12:58/mi
20M
3:47:22
Rank: #25061 (+25)
30K → 20M
16:50 | 12:23/mi
21M
4:00:38
Rank: #25047 (+14)
20M → 21M
13:16 | 13:16/mi
35K· 21.75 mi
4:09:41
Rank: #25047
21M → 35K
9:03 | 12:06/mi
23M
4:25:21
Rank: #25036 (+11)
35K → 23M
15:40 | 12:31/mi
24M
4:38:32
Rank: #25085 (-49)
23M → 24M
13:11 | 13:11/mi
40K· 24.85 mi
4:50:12
Rank: #25116 (-31)
24M → 40K
11:40 | 13:39/mi
25.2M
4:55:06
Rank: #25119 (-3)
40K → 25.2M
4:54 | 14:13/mi
Finish· 26.22 mi
5:07:20
Rank: #25134 (-15)
25.2M → Finish
12:14 | 12:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:57
Pace10:50 /mi
2nd Half
Distance13.11 mi
Time2:45:23
Pace12:37 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1533:1610:4233:16
10:42
-
10K
6.21 mi12:26:191:06:2010:4133:04
10:39
-0:03
15K
9.32 mi12:59:381:39:3910:4133:19
10:43
+0:04
20K
12.43 mi13:34:142:14:1510:4834:36
11:08
+0:25
Half
13.11 mi13:41:562:21:5710:507:42
11:17
+0:09
25K
15.53 mi14:10:152:50:1610:5828:19
11:41
+0:24
30K
18.64 mi14:50:313:30:3211:1840:16
12:58
+1:17
20M
20.00 mi15:07:213:47:2211:2216:50
12:23
-0:35
21M
21.00 mi15:20:374:00:3811:2813:16
13:16
+0:53
35K
21.75 mi15:29:404:09:4111:299:03
12:06
-1:10
23M
23.00 mi15:45:204:25:2111:3215:40
12:31
+0:25
24M
24.00 mi15:58:314:38:3211:3613:11
13:11
+0:40
40K
24.85 mi16:10:114:50:1211:4111:40
13:39
+0:28
25.2M
25.20 mi16:15:054:55:0611:434:54
14:13
+0:34
Finish
26.22 mi16:27:195:07:2011:4412:14
12:00
-2:13

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

10:39 /mi

Average Pace

11:44 /mi

Slowest Pace

14:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:57

46% of race

Time at Steady Pace

1:22:06

27% of race

Time at Slower Pace

1:23:17

27% of race

Average Pace: 11:43 /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 mi11:53:1533:1610:4233:16
10:42
#25196
10K
6.21 mi12:26:191:06:2010:4133:04
10:39
#25048
15K
9.32 mi12:59:381:39:3910:4133:19
10:43
#24963
20K
12.43 mi13:34:142:14:1510:4834:36
11:08
#24927
Half
13.11 mi13:41:562:21:5710:507:42
11:17
#24948
25K
15.53 mi14:10:152:50:1610:5828:19
11:41
#24948
30K
18.64 mi14:50:313:30:3211:1840:16
12:58
#25086
20M
20.00 mi15:07:213:47:2211:2216:50
12:23
#25061
21M
21.00 mi15:20:374:00:3811:2813:16
13:16
#25047
35K
21.75 mi15:29:404:09:4111:299:03
12:06
#25047
23M
23.00 mi15:45:204:25:2111:3215:40
12:31
#25036
24M
24.00 mi15:58:314:38:3211:3613:11
13:11
#25085
40K
24.85 mi16:10:114:50:1211:4111:40
13:39
#25116
25.2M
25.20 mi16:15:054:55:0611:434:54
14:13
#25119
Finish
26.22 mi16:27:195:07:2011:4412:14
12:00
#25134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25196146321463224832(Top 93%)14437(Top 95%)14437(Top 273%)
10K6.21 mi3.10 mi25048+14814566+6614566+6624930(Top 94%)14506(Top 96%)14506(Top 274%)
15K9.32 mi3.11 mi24963+8514526+4014526+4024832(Top 93%)14437(Top 95%)14437(Top 273%)
20K12.43 mi3.11 mi24927+3614492+3414492+3424792(Top 93%)14410(Top 95%)14410(Top 273%)
Half13.11 mi0.68 mi24948-2114498-614498-625281(Top 95%)14595(Top 96%)14595(Top 276%)
25K15.53 mi2.42 mi2494814494+414494+424874(Top 93%)14411(Top 95%)14411(Top 273%)
30K18.64 mi3.11 mi25086-13814529-3514529-3525378(Top 95%)14576(Top 96%)14576(Top 276%)
20M20.00 mi1.36 mi25061+2514508+2114508+2124617(Top 92%)14194(Top 94%)14194(Top 269%)
21M21.00 mi1.00 mi25047+1414495+1314495+1324360(Top 92%)14063(Top 93%)14063(Top 266%)
35K21.75 mi0.75 mi2504714486+914486+924769(Top 93%)14207(Top 94%)14207(Top 269%)
23M23.00 mi1.25 mi25036+1114471+1514471+1524593(Top 92%)14136(Top 93%)14136(Top 267%)
24M24.00 mi1.00 mi25085-4914489-1814489-1825603(Top 96%)14601(Top 96%)14601(Top 276%)
40K24.85 mi0.85 mi25116-3114496-714496-725454(Top 96%)14535(Top 96%)14535(Top 275%)
25.2M25.20 mi0.35 mi25119-314497-114497-125148(Top 94%)14356(Top 95%)14356(Top 272%)
Finish26.22 mi1.02 mi25134-1514502-514502-525232(Top 95%)14424(Top 95%)14424(Top 273%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24832

Males

14437

M18-39

14437

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24930

Males

14506

M18-39

14506

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24832

Males

14437

M18-39

14437

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24792

Males

14410

M18-39

14410

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

25281

Males

14595

M18-39

14595

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

24874

Males

14411

M18-39

14411

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25378

Males

14576

M18-39

14576

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24617

Males

14194

M18-39

14194

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24360

Males

14063

M18-39

14063

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24769

Males

14207

M18-39

14207

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24593

Males

14136

M18-39

14136

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25603

Males

14601

M18-39

14601

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25454

Males

14535

M18-39

14535

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25148

Males

14356

M18-39

14356

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

25232

Males

14424

M18-39

14424

Passing Analysis

Category:
Athletes Passed
849
Passed By
787
Net Change
+62
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25196
5K → 10K257109+148#25196#25048
10K → 15K15570+85#25048#24963
15K → 20K11983+36#24963#24927
20K → Half1132-21#24927#24948
Half → 25K69690#24948#24948
25K → 30K43181-138#24948#25086
30K → 20M6136+25#25086#25061
20M → 21M3824+14#25061#25047
21M → 35K25250#25047#25047
35K → 23M3423+11#25047#25036
23M → 24M857-49#25036#25085
24M → 40K940-31#25085#25116
40K → 25.2M1013-3#25116#25119
25.2M → Finish1025-15#25119#25134
TOTALS849787+62
📊

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