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BOSTON MARATHON 2023

Aaron Brett

Bib: 9962•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 38%
Masters (Masters Men)
#0 / 9891
Top 24%
Division (M40-44)
#0 / 2241
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
7:00/mi
21:46
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
43:17
↑ 79↓ 1380.4%
15K· 9.32 mi
6:59/mi
1:04:58
↑ 67↓ 78
20K· 12.43 mi
7:02/mi
1:26:50
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:31:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:07/mi
1:48:51
↑ 66↓ 880.2%
30K· 18.64 mi
7:21/mi
2:11:42
↑ 181↓ 1480.2%
20M
7:29/mi
2:21:52
↑ 64↓ 500.2%
21M
7:59/mi
2:29:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:35:17
↑ 17↓ 861.7%
23M
7:44/mi
2:44:58
↑ 23↓ 630.6%
24M
7:53/mi
2:52:51
↓ 821.3%
40K· 24.85 mi
8:05/mi
2:59:46
↓ 200.3%
25.2M
8:10/mi
3:02:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:15/mi
3:09:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:36
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:38:22
Pace7:30 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1621:467:0021:46
7:00
-
10K
6.21 mi11:08:4743:176:5821:31
6:56
-0:04
15K
9.32 mi11:30:281:04:586:5821:41
6:59
+0:03
20K
12.43 mi11:52:201:26:506:5921:52
7:02
+0:03
Half
13.11 mi11:57:061:31:366:594:46
6:59
-0:03
25K
15.53 mi12:14:211:48:517:0017:15
7:07
+0:08
30K
18.64 mi12:37:122:11:427:0422:51
7:21
+0:14
20M
20.00 mi12:47:222:21:527:0610:10
7:29
+0:08
21M
21.00 mi12:55:212:29:517:087:59
7:59
+0:30
35K
21.75 mi13:00:472:35:177:085:26
7:16
-0:43
23M
23.00 mi13:10:282:44:587:109:41
7:44
+0:28
24M
24.00 mi13:18:212:52:517:127:53
7:53
+0:09
40K
24.85 mi13:25:162:59:467:146:55
8:05
+0:12
25.2M
25.20 mi13:28:053:02:357:152:49
8:10
+0:05
Finish
26.22 mi13:35:283:09:587:157:23
7:15
-0:55

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

6:56 /mi

Average Pace

7:15 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:41

81% of race

Time at Steady Pace

35:17

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:47:1621:467:0021:46
7:00
#6278
10K
6.21 mi11:08:4743:176:5821:31
6:56
#6314
15K
9.32 mi11:30:281:04:586:5821:41
6:59
#6316
20K
12.43 mi11:52:201:26:506:5921:52
7:02
#6278
Half
13.11 mi11:57:061:31:366:594:46
6:59
#6287
25K
15.53 mi12:14:211:48:517:0017:15
7:07
#6263
30K
18.64 mi12:37:122:11:427:0422:51
7:21
#6214
20M
20.00 mi12:47:222:21:527:0610:10
7:29
#6202
21M
21.00 mi12:55:212:29:517:087:59
7:59
#6196
35K
21.75 mi13:00:472:35:177:085:26
7:16
#6210
23M
23.00 mi13:10:282:44:587:109:41
7:44
#6224
24M
24.00 mi13:18:212:52:517:127:53
7:53
#6335
40K
24.85 mi13:25:162:59:467:146:55
8:05
#6427
25.2M
25.20 mi13:28:053:02:357:152:49
8:10
#6421
Finish
26.22 mi13:35:283:09:587:157:23
7:15
#6420
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6278571957196424(Top 24%)5793(Top 38%)5793(Top 259%)
10K6.21 mi3.10 mi6314-365724-55724-56315(Top 24%)5714(Top 38%)5714(Top 255%)
15K9.32 mi3.11 mi6316-25720+45720+46424(Top 24%)5793(Top 38%)5793(Top 259%)
20K12.43 mi3.11 mi6278+385690+305690+306217(Top 23%)5638(Top 37%)5638(Top 252%)
Half13.11 mi0.68 mi6287-95697-75697-76454(Top 24%)5830(Top 38%)5830(Top 260%)
25K15.53 mi2.42 mi6263+245678+195678+196191(Top 23%)5582(Top 37%)5582(Top 249%)
30K18.64 mi3.11 mi6214+495624+545624+546332(Top 24%)5610(Top 37%)5610(Top 250%)
20M20.00 mi1.36 mi6202+125604+205604+206651(Top 25%)5739(Top 38%)5739(Top 256%)
21M21.00 mi1.00 mi6196+65586+185586+187215(Top 27%)5993(Top 39%)5993(Top 267%)
35K21.75 mi0.75 mi6210-145598-125598-126867(Top 26%)5801(Top 38%)5801(Top 259%)
23M23.00 mi1.25 mi6224-145595+35595+37930(Top 30%)6365(Top 42%)6365(Top 284%)
24M24.00 mi1.00 mi6335-1115662-675662-6710359(Top 39%)7568(Top 50%)7568(Top 338%)
40K24.85 mi0.85 mi6427-925720-585720-5810598(Top 40%)7639(Top 50%)7639(Top 341%)
25.2M25.20 mi0.35 mi6421+65711+95711+97427(Top 28%)5827(Top 38%)5827(Top 260%)
Finish26.22 mi1.02 mi6420+15696+155696+156712(Top 25%)5385(Top 35%)5385(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6424

Males

5793

M40-44

5793

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6315

Males

5714

M40-44

5714

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6424

Males

5793

M40-44

5793

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6217

Males

5638

M40-44

5638

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6454

Males

5830

M40-44

5830

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6191

Males

5582

M40-44

5582

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6332

Males

5610

M40-44

5610

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6651

Males

5739

M40-44

5739

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7215

Males

5993

M40-44

5993

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6867

Males

5801

M40-44

5801

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7930

Males

6365

M40-44

6365

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10359

Males

7568

M40-44

7568

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10598

Males

7639

M40-44

7639

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7427

Males

5827

M40-44

5827

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6712

Males

5385

M40-44

5385

Passing Analysis

Category:
Athletes Passed
992
Passed By
1134
Net Change
-142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6278
5K → 10K173209-36#6278#6314
10K → 15K110112-2#6314#6316
15K → 20K11981+38#6316#6278
20K → Half1423-9#6278#6287
Half → 25K9369+24#6287#6263
25K → 30K13990+49#6263#6214
30K → 20M6553+12#6214#6202
20M → 21M5448+6#6202#6196
21M → 35K2943-14#6196#6210
35K → 23M6377-14#6210#6224
23M → 24M37148-111#6224#6335
24M → 40K25117-92#6335#6427
40K → 25.2M2216+6#6427#6421
25.2M → Finish4948+1#6421#6420
TOTALS9921134-142
📊

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