Justin Brett

Bib: 13511M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7469 ft
×2stacked redwood trees
890 ft climb · 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:45/mi
24:06
973451.5%
10K· 6.21 mi
7:35/mi
47:40
791380.4%
15K· 9.32 mi
7:57/mi
1:12:21
6778
20K· 12.43 mi
7:55/mi
1:36:58
106860.1%
Half· 13.11 mi
7:49/mi
1:42:18
19370.5%
25K· 15.53 mi
8:11/mi
2:02:09
66880.2%
30K· 18.64 mi
8:53/mi
2:29:44
1811480.2%
20M
9:07/mi
2:42:08
64500.2%
21M
9:55/mi
2:52:03
106241.6%
35K· 21.75 mi
9:04/mi
2:58:50
17861.7%
23M
10:08/mi
3:11:31
23630.6%
24M
9:34/mi
3:21:05
821.3%
40K· 24.85 mi
16:07/mi
3:34:52
200.3%
25.2M
11:13/mi
3:38:44
13160.2%
Finish· 26.22 mi
9:57/mi
3:48:52
2221

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:18
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time2:06:34
Pace9:39 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2324:067:4524:06
7:45
-
10K
6.21 mi11:15:5747:407:4023:34
7:35
-0:10
15K
9.32 mi11:40:381:12:217:4624:41
7:57
+0:22
20K
12.43 mi12:05:151:36:587:4824:37
7:55
-0:02
Half
13.11 mi12:10:351:42:187:485:20
7:49
-0:06
25K
15.53 mi12:30:262:02:097:5219:51
8:11
+0:22
30K
18.64 mi12:58:012:29:448:0227:35
8:53
+0:42
20M
20.00 mi13:10:252:42:088:0612:24
9:07
+0:14
21M
21.00 mi13:20:202:52:038:129:55
9:55
+0:48
35K
21.75 mi13:27:072:58:508:136:47
9:04
-0:51
23M
23.00 mi13:39:483:11:318:2012:41
10:08
+1:04
24M
24.00 mi13:49:223:21:058:239:34
9:34
-0:34
40K
24.85 mi14:03:093:34:528:3913:47
16:07
+6:33
25.2M
25.20 mi14:07:013:38:448:413:52
11:13
-4:54
Finish
26.22 mi14:17:093:48:528:4410:08
9:57
-1:16

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

7:35 /mi

Average Pace

8:44 /mi

Slowest Pace

16:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:18

45% of race

Time at Steady Pace

1:36:14

42% of race

Time at Slower Pace

30:20

13% of race

Average Pace: 8:44 /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 mi10:52:2324:067:4524:06
7:45
#11977
10K
6.21 mi11:15:5747:407:4023:34
7:35
#11534
15K
9.32 mi11:40:381:12:217:4624:41
7:57
#12332
20K
12.43 mi12:05:151:36:587:4824:37
7:55
#12425
Half
13.11 mi12:10:351:42:187:485:20
7:49
#12441
25K
15.53 mi12:30:262:02:097:5219:51
8:11
#12708
30K
18.64 mi12:58:012:29:448:0227:35
8:53
#13533
20M
20.00 mi13:10:252:42:088:0612:24
9:07
#13883
21M
21.00 mi13:20:202:52:038:129:55
9:55
#14157
35K
21.75 mi13:27:072:58:508:136:47
9:04
#14329
23M
23.00 mi13:39:483:11:318:2012:41
10:08
#14842
24M
24.00 mi13:49:223:21:058:239:34
9:34
#15073
40K
24.85 mi14:03:093:34:528:3913:47
16:07
#16683
25.2M
25.20 mi14:07:013:38:448:413:52
11:13
#16775
Finish
26.22 mi14:17:093:48:528:4410:08
9:57
#17074
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi119779109910913945(Top 52%)9881(Top 65%)9881(Top 439%)
10K6.21 mi3.10 mi11534+4438899+2108899+21011189(Top 42%)8753(Top 58%)8753(Top 389%)
15K9.32 mi3.11 mi12332-7989234-3359234-33513945(Top 52%)9881(Top 65%)9881(Top 439%)
20K12.43 mi3.11 mi12425-939247-139247-1312811(Top 48%)9356(Top 62%)9356(Top 415%)
Half13.11 mi0.68 mi12441-169255-89255-812859(Top 48%)9452(Top 62%)9452(Top 420%)
25K15.53 mi2.42 mi12708-2679353-989353-9814140(Top 53%)9821(Top 65%)9821(Top 436%)
30K18.64 mi3.11 mi13533-8259659-3069659-30616531(Top 62%)10704(Top 71%)10704(Top 475%)
20M20.00 mi1.36 mi13883-3509777-1189777-11817178(Top 65%)10886(Top 72%)10886(Top 483%)
21M21.00 mi1.00 mi14157-2749856-799856-7917698(Top 66%)11094(Top 73%)11094(Top 493%)
35K21.75 mi0.75 mi14329-1729906-509906-5018139(Top 68%)11202(Top 74%)11202(Top 497%)
23M23.00 mi1.25 mi14842-51310084-17810084-17820356(Top 76%)12175(Top 80%)12175(Top 541%)
24M24.00 mi1.00 mi15073-23110157-7310157-7319427(Top 73%)11722(Top 77%)11722(Top 521%)
40K24.85 mi0.85 mi16683-161010791-63410791-63426435(Top 99%)15059(Top 99%)15059(Top 669%)
25.2M25.20 mi0.35 mi16775-9210820-2910820-2920907(Top 79%)12340(Top 81%)12340(Top 548%)
Finish26.22 mi1.02 mi17074-29910936-11610936-11621593(Top 81%)12662(Top 83%)12662(Top 562%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13945

Males

9881

M45-49

9881

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11189

Males

8753

M45-49

8753

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13945

Males

9881

M45-49

9881

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12811

Males

9356

M45-49

9356

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12859

Males

9452

M45-49

9452

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14140

Males

9821

M45-49

9821

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16531

Males

10704

M45-49

10704

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17178

Males

10886

M45-49

10886

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17698

Males

11094

M45-49

11094

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18139

Males

11202

M45-49

11202

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20356

Males

12175

M45-49

12175

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

19427

Males

11722

M45-49

11722

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26435

Males

15059

M45-49

15059

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20907

Males

12340

M45-49

12340

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21593

Males

12662

M45-49

12662

Passing Analysis

Category:
Athletes Passed
1016
Passed By
6113
Net Change
-5097
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11977
5K10K577134+443#11977#11534
10K15K28826-798#11534#12332
15K20K139232-93#12332#12425
20KHalf3147-16#12425#12441
Half25K67334-267#12441#12708
25K30K44869-825#12708#13533
30K20M28378-350#13533#13883
20M21M24298-274#13883#14157
21M35K18190-172#14157#14329
35K23M12525-513#14329#14842
23M24M19250-231#14842#15073
24M40K11611-1610#15073#16683
40K25.2M12104-92#16683#16775
25.2MFinish16315-299#16775#17074
TOTALS10166113-5097
📊

Passing Visuals

Category:
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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