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BOSTON MARATHON 2023

Joel Brister

Bib: 18527•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 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
8:32/mi
26:32
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
53:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:31/mi
1:20:01
↑ 67↓ 78
20K· 12.43 mi
8:45/mi
1:47:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:53:00
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:13:57
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:42:24
↑ 181↓ 1480.2%
20M
8:34/mi
2:54:02
↑ 64↓ 500.2%
21M
9:29/mi
3:03:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:10:12
↑ 17↓ 861.7%
23M
9:05/mi
3:21:34
↑ 23↓ 630.6%
24M
9:09/mi
3:30:43
↓ 821.3%
40K· 24.85 mi
9:14/mi
3:38:37
↓ 200.3%
25.2M
9:05/mi
3:41:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:49:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:00
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:56:59
Pace8:55 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4526:328:3226:32
8:32
-
10K
6.21 mi11:44:4753:348:3727:02
8:42
+0:10
15K
9.32 mi12:11:141:20:018:3526:27
8:31
-0:11
20K
12.43 mi12:38:261:47:138:3827:12
8:45
+0:14
Half
13.11 mi12:44:131:53:008:375:47
8:29
-0:16
25K
15.53 mi13:05:102:13:578:3720:57
8:38
+0:09
30K
18.64 mi13:33:372:42:248:4328:27
9:09
+0:31
20M
20.00 mi13:45:152:54:028:4211:38
8:34
-0:35
21M
21.00 mi13:54:443:03:318:449:29
9:29
+0:55
35K
21.75 mi14:01:253:10:128:456:41
8:56
-0:33
23M
23.00 mi14:12:473:21:348:4611:22
9:05
+0:09
24M
24.00 mi14:21:563:30:438:479:09
9:09
+0:04
40K
24.85 mi14:29:503:38:378:487:54
9:14
+0:05
25.2M
25.20 mi14:32:583:41:458:483:08
9:05
-0:09
Finish
26.22 mi14:41:123:49:598:478:14
8:05
-1:00

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

8:05 /mi

Average Pace

8:47 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:49

67% of race

Time at Steady Pace

1:16:10

33% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:46 /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 mi11:17:4526:328:3226:32
8:32
#17833
10K
6.21 mi11:44:4753:348:3727:02
8:42
#18632
15K
9.32 mi12:11:141:20:018:3526:27
8:31
#18391
20K
12.43 mi12:38:261:47:138:3827:12
8:45
#18369
Half
13.11 mi12:44:131:53:008:375:47
8:29
#18321
25K
15.53 mi13:05:102:13:578:3720:57
8:38
#18086
30K
18.64 mi13:33:372:42:248:4328:27
9:09
#18053
20M
20.00 mi13:45:152:54:028:4211:38
8:34
#17735
21M
21.00 mi13:54:443:03:318:449:29
9:29
#17621
35K
21.75 mi14:01:253:10:128:456:41
8:56
#17612
23M
23.00 mi14:12:473:21:348:4611:22
9:05
#17532
24M
24.00 mi14:21:563:30:438:479:09
9:09
#17584
40K
24.85 mi14:29:503:38:378:487:54
9:14
#17591
25.2M
25.20 mi14:32:583:41:458:483:08
9:05
#17508
Finish
26.22 mi14:41:123:49:598:478:14
8:05
#17339
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17833113691136917894(Top 67%)11438(Top 75%)11438(Top 804%)
10K6.21 mi3.10 mi18632-79911710-34111710-34119433(Top 73%)12071(Top 80%)12071(Top 849%)
15K9.32 mi3.11 mi18391+24111627+8311627+8317894(Top 67%)11438(Top 75%)11438(Top 804%)
20K12.43 mi3.11 mi18369+2211616+1111616+1118431(Top 69%)11658(Top 77%)11658(Top 820%)
Half13.11 mi0.68 mi18321+4811599+1711599+1717555(Top 66%)11316(Top 75%)11316(Top 796%)
25K15.53 mi2.42 mi18086+23511484+11511484+11517036(Top 64%)10989(Top 72%)10989(Top 773%)
30K18.64 mi3.11 mi18053+3311432+5211432+5217954(Top 67%)11309(Top 75%)11309(Top 795%)
20M20.00 mi1.36 mi17735+31811296+13611296+13614000(Top 53%)9582(Top 63%)9582(Top 674%)
21M21.00 mi1.00 mi17621+11411234+6211234+6215871(Top 60%)10299(Top 68%)10299(Top 724%)
35K21.75 mi0.75 mi17612+911218+1611218+1617597(Top 66%)10968(Top 72%)10968(Top 771%)
23M23.00 mi1.25 mi17532+8011171+4711171+4716434(Top 62%)10430(Top 69%)10430(Top 733%)
24M24.00 mi1.00 mi17584-5211176-511176-517845(Top 67%)10999(Top 72%)10999(Top 773%)
40K24.85 mi0.85 mi17591-711172+411172+417254(Top 65%)10692(Top 70%)10692(Top 752%)
25.2M25.20 mi0.35 mi17508+8311133+3911133+3912994(Top 49%)8774(Top 58%)8774(Top 617%)
Finish26.22 mi1.02 mi17339+16911051+8211051+8212645(Top 47%)8605(Top 57%)8605(Top 605%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17894

Males

11438

M55-59

11438

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19433

Males

12071

M55-59

12071

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17894

Males

11438

M55-59

11438

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18431

Males

11658

M55-59

11658

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17555

Males

11316

M55-59

11316

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17036

Males

10989

M55-59

10989

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17954

Males

11309

M55-59

11309

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14000

Males

9582

M55-59

9582

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15871

Males

10299

M55-59

10299

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17597

Males

10968

M55-59

10968

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16434

Males

10430

M55-59

10430

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17845

Males

10999

M55-59

10999

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17254

Males

10692

M55-59

10692

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12994

Males

8774

M55-59

8774

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12645

Males

8605

M55-59

8605

Passing Analysis

Category:
Athletes Passed
2116
Passed By
1622
Net Change
+494
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17833
5K → 10K91890-799#17833#18632
10K → 15K31978+241#18632#18391
15K → 20K171149+22#18391#18369
20K → Half5911+48#18369#18321
Half → 25K26934+235#18321#18086
25K → 30K207174+33#18086#18053
30K → 20M3180+318#18053#17735
20M → 21M14329+114#17735#17621
21M → 35K5647+9#17621#17612
35K → 23M12545+80#17612#17532
23M → 24M4092-52#17532#17584
24M → 40K5764-7#17584#17591
40K → 25.2M885+83#17591#17508
25.2M → Finish1734+169#17508#17339
TOTALS21161622+494
📊

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