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BOSTON MARATHON 2023

Jackson Brister

Bib: 32154•M

MS

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
31:21
Rank: #23659
Start → 5K
31:21 | 10:05/mi
10K· 6.21 mi
1:00:04
Rank: #22795 (+864)
5K → 10K
28:43 | 9:15/mi
15K· 9.32 mi
1:28:51
Rank: #22407 (+388)
10K → 15K
28:47 | 9:16/mi
20K· 12.43 mi
2:00:38
Rank: #22689 (-282)
15K → 20K
31:47 | 10:14/mi
Half· 13.11 mi
2:07:26
Rank: #22722 (-33)
20K → Half
6:48 | 9:58/mi
25K· 15.53 mi
2:32:32
Rank: #22765 (-43)
Half → 25K
25:06 | 10:21/mi
30K· 18.64 mi
3:06:10
Rank: #22767 (-2)
25K → 30K
33:38 | 10:50/mi
20M
3:21:22
Rank: #22773 (-6)
30K → 20M
15:12 | 11:11/mi
21M
3:33:24
Rank: #22786 (-13)
20M → 21M
12:02 | 12:02/mi
35K· 21.75 mi
3:41:31
Rank: #22809 (-23)
21M → 35K
8:07 | 10:51/mi
23M
3:56:58
Rank: #22921 (-112)
35K → 23M
15:27 | 12:20/mi
24M
4:08:05
Rank: #22929 (-8)
23M → 24M
11:07 | 11:07/mi
40K· 24.85 mi
4:19:07
Rank: #23044 (-115)
24M → 40K
11:02 | 12:54/mi
25.2M
4:23:19
Rank: #23044
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:35:11
Rank: #23143 (-99)
25.2M → Finish
11:52 | 11:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:26
Pace9:43 /mi
2nd Half
Distance13.11 mi
Time2:27:45
Pace11:16 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2231:2110:0531:21
10:05
-
10K
6.21 mi12:20:051:00:049:4028:43
9:15
-0:50
15K
9.32 mi12:48:521:28:519:3228:47
9:16
+0:01
20K
12.43 mi13:20:392:00:389:4231:47
10:14
+0:58
Half
13.11 mi13:27:272:07:269:436:48
9:58
-0:16
25K
15.53 mi13:52:332:32:329:4925:06
10:21
+0:23
30K
18.64 mi14:26:113:06:109:5933:38
10:50
+0:29
20M
20.00 mi14:41:233:21:2210:0415:12
11:11
+0:21
21M
21.00 mi14:53:253:33:2410:1012:02
12:02
+0:51
35K
21.75 mi15:01:323:41:3110:118:07
10:51
-1:11
23M
23.00 mi15:16:593:56:5810:1815:27
12:20
+1:29
24M
24.00 mi15:28:064:08:0510:2011:07
11:07
-1:13
40K
24.85 mi15:39:084:19:0710:2611:02
12:54
+1:47
25.2M
25.20 mi15:43:204:23:1910:274:12
12:11
-0:43
Finish
26.22 mi15:55:124:35:1110:3011:52
11:39
-0:32

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

9:15 /mi

Average Pace

10:30 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:26

46% of race

Time at Steady Pace

1:33:10

34% of race

Time at Slower Pace

54:35

20% of race

Average Pace: 10:30 /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 mi11:51:2231:2110:0531:21
10:05
#23659
10K
6.21 mi12:20:051:00:049:4028:43
9:15
#22795
15K
9.32 mi12:48:521:28:519:3228:47
9:16
#22407
20K
12.43 mi13:20:392:00:389:4231:47
10:14
#22689
Half
13.11 mi13:27:272:07:269:436:48
9:58
#22722
25K
15.53 mi13:52:332:32:329:4925:06
10:21
#22765
30K
18.64 mi14:26:113:06:109:5933:38
10:50
#22767
20M
20.00 mi14:41:233:21:2210:0415:12
11:11
#22773
21M
21.00 mi14:53:253:33:2410:1012:02
12:02
#22786
35K
21.75 mi15:01:323:41:3110:118:07
10:51
#22809
23M
23.00 mi15:16:593:56:5810:1815:27
12:20
#22921
24M
24.00 mi15:28:064:08:0510:2011:07
11:07
#22929
40K
24.85 mi15:39:084:19:0710:2611:02
12:54
#23044
25.2M
25.20 mi15:43:204:23:1910:274:12
12:11
#23044
Finish
26.22 mi15:55:124:35:1110:3011:52
11:39
#23143
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23659139061390621526(Top 81%)12990(Top 86%)12990(Top 246%)
10K6.21 mi3.10 mi22795+86413522+38413522+38421751(Top 82%)13043(Top 86%)13043(Top 247%)
15K9.32 mi3.11 mi22407+38813340+18213340+18221526(Top 81%)12990(Top 86%)12990(Top 246%)
20K12.43 mi3.11 mi22689-28213481-14113481-14123342(Top 88%)13784(Top 91%)13784(Top 261%)
Half13.11 mi0.68 mi22722-3313498-1713498-1723203(Top 87%)13714(Top 90%)13714(Top 259%)
25K15.53 mi2.42 mi22765-4313506-813506-822929(Top 86%)13556(Top 89%)13556(Top 256%)
30K18.64 mi3.11 mi22767-213477+2913477+2922835(Top 86%)13443(Top 89%)13443(Top 254%)
20M20.00 mi1.36 mi22773-613478-113478-122992(Top 86%)13464(Top 89%)13464(Top 255%)
21M21.00 mi1.00 mi22786-1313466+1213466+1222801(Top 86%)13340(Top 88%)13340(Top 252%)
35K21.75 mi0.75 mi22809-2313474-813474-823011(Top 86%)13392(Top 88%)13392(Top 253%)
23M23.00 mi1.25 mi22921-11213516-4213516-4224408(Top 92%)14041(Top 93%)14041(Top 266%)
24M24.00 mi1.00 mi22929-813508+813508+823260(Top 87%)13463(Top 89%)13463(Top 255%)
40K24.85 mi0.85 mi23044-11513554-4613554-4624857(Top 93%)14234(Top 94%)14234(Top 269%)
25.2M25.20 mi0.35 mi2304413559-513559-522794(Top 86%)13227(Top 87%)13227(Top 250%)
Finish26.22 mi1.02 mi23143-9913600-4113600-4124860(Top 93%)14249(Top 94%)14249(Top 270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21526

Males

12990

M18-39

12990

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21751

Males

13043

M18-39

13043

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21526

Males

12990

M18-39

12990

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23342

Males

13784

M18-39

13784

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23203

Males

13714

M18-39

13714

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22929

Males

13556

M18-39

13556

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22835

Males

13443

M18-39

13443

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22992

Males

13464

M18-39

13464

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22801

Males

13340

M18-39

13340

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

23011

Males

13392

M18-39

13392

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24408

Males

14041

M18-39

14041

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23260

Males

13463

M18-39

13463

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24857

Males

14234

M18-39

14234

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22794

Males

13227

M18-39

13227

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

24860

Males

14249

M18-39

14249

Passing Analysis

Category:
Athletes Passed
1793
Passed By
1277
Net Change
+516
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23659
5K → 10K87713+864#23659#22795
10K → 15K41325+388#22795#22407
15K → 20K59341-282#22407#22689
20K → Half740-33#22689#22722
Half → 25K84127-43#22722#22765
25K → 30K119121-2#22765#22767
30K → 20M6167-6#22767#22773
20M → 21M4356-13#22773#22786
21M → 35K2144-23#22786#22809
35K → 23M24136-112#22809#22921
23M → 24M4048-8#22921#22929
24M → 40K17132-115#22929#23044
40K → 25.2M13130#23044#23044
25.2M → Finish15114-99#23044#23143
TOTALS17931277+516
📊

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