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BOSTON MARATHON 2023

Brian Livingston

Bib: 962•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Masters (Masters Men)
#0 / 9891
Top 0.5%
Division (M45-49)
#0 / 2252
Top 0.4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:19
Rank: #521
Start → 5K
18:19 | 5:54/mi
10K· 6.21 mi
36:07
Rank: #419 (+102)
5K → 10K
17:48 | 5:44/mi
15K· 9.32 mi
54:11
Rank: #398 (+21)
10K → 15K
18:04 | 5:49/mi
20K· 12.43 mi
1:12:27
Rank: #395 (+3)
15K → 20K
18:16 | 5:53/mi
Half· 13.11 mi
1:16:24
Rank: #393 (+2)
20K → Half
3:57 | 5:47/mi
25K· 15.53 mi
1:30:54
Rank: #404 (-11)
Half → 25K
14:30 | 5:59/mi
30K· 18.64 mi
1:50:00
Rank: #423 (-19)
25K → 30K
19:06 | 6:09/mi
20M
1:58:35
Rank: #452 (-29)
30K → 20M
8:35 | 6:19/mi
21M
2:05:11
Rank: #455 (-3)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:09:45
Rank: #459 (-4)
21M → 35K
4:34 | 6:06/mi
23M
2:17:49
Rank: #475 (-16)
35K → 23M
8:04 | 6:27/mi
24M
2:24:02
Rank: #482 (-7)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:29:26
Rank: #485 (-3)
24M → 40K
5:24 | 6:19/mi
25.2M
2:31:44
Rank: #485
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:37:52
Rank: #480 (+5)
25.2M → Finish
6:08 | 6:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:24
Pace5:50 /mi
2nd Half
Distance13.11 mi
Time1:21:28
Pace6:13 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2818:195:5418:19
5:54
-
10K
6.21 mi10:36:1636:075:4917:48
5:44
-0:10
15K
9.32 mi10:54:2054:115:4918:04
5:49
+0:05
20K
12.43 mi11:12:361:12:275:5018:16
5:53
+0:04
Half
13.11 mi11:16:331:16:245:503:57
5:47
-0:06
25K
15.53 mi11:31:031:30:545:5114:30
5:59
+0:12
30K
18.64 mi11:50:091:50:005:5419:06
6:09
+0:10
20M
20.00 mi11:58:441:58:355:568:35
6:19
+0:10
21M
21.00 mi12:05:202:05:115:586:36
6:36
+0:17
35K
21.75 mi12:09:542:09:455:584:34
6:06
-0:30
23M
23.00 mi12:17:582:17:496:008:04
6:27
+0:21
24M
24.00 mi12:24:112:24:026:006:13
6:13
-0:14
40K
24.85 mi12:29:352:29:266:015:24
6:19
+0:06
25.2M
25.20 mi12:31:532:31:446:012:18
6:40
+0:21
Finish
26.22 mi12:38:012:37:526:026:08
6:01
-0:39

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

5:44 /mi

Average Pace

6:02 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:55

80% of race

Time at Steady Pace

30:57

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:01 /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 mi10:18:2818:195:5418:19
5:54
#521
10K
6.21 mi10:36:1636:075:4917:48
5:44
#419
15K
9.32 mi10:54:2054:115:4918:04
5:49
#398
20K
12.43 mi11:12:361:12:275:5018:16
5:53
#395
Half
13.11 mi11:16:331:16:245:503:57
5:47
#393
25K
15.53 mi11:31:031:30:545:5114:30
5:59
#404
30K
18.64 mi11:50:091:50:005:5419:06
6:09
#423
20M
20.00 mi11:58:441:58:355:568:35
6:19
#452
21M
21.00 mi12:05:202:05:115:586:36
6:36
#455
35K
21.75 mi12:09:542:09:455:584:34
6:06
#459
23M
23.00 mi12:17:582:17:496:008:04
6:27
#475
24M
24.00 mi12:24:112:24:026:006:13
6:13
#482
40K
24.85 mi12:29:352:29:266:015:24
6:19
#485
25.2M
25.20 mi12:31:532:31:446:012:18
6:40
#485
Finish
26.22 mi12:38:012:37:526:026:08
6:01
#480
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi521479479384(Top 1%)350(Top 2%)350(Top 16%)
10K6.21 mi3.10 mi419+102384+95384+95348(Top 1%)313(Top 2%)313(Top 14%)
15K9.32 mi3.11 mi398+21363+21363+21384(Top 1%)350(Top 2%)350(Top 16%)
20K12.43 mi3.11 mi395+3360+3360+3395(Top 1%)362(Top 2%)362(Top 16%)
Half13.11 mi0.68 mi393+2359+1359+1384(Top 1%)355(Top 2%)355(Top 16%)
25K15.53 mi2.42 mi404-11369-10369-10521(Top 2%)484(Top 3%)484(Top 21%)
30K18.64 mi3.11 mi423-19390-21390-21580(Top 2%)544(Top 4%)544(Top 24%)
20M20.00 mi1.36 mi452-29417-27417-27890(Top 3%)849(Top 6%)849(Top 38%)
21M21.00 mi1.00 mi455-3420-3420-3853(Top 3%)807(Top 5%)807(Top 36%)
35K21.75 mi0.75 mi459-4424-4424-4911(Top 3%)863(Top 6%)863(Top 38%)
23M23.00 mi1.25 mi475-16438-14438-141222(Top 5%)1153(Top 8%)1153(Top 51%)
24M24.00 mi1.00 mi482-7446-8446-81056(Top 4%)998(Top 7%)998(Top 44%)
40K24.85 mi0.85 mi485-3449-3449-3927(Top 3%)876(Top 6%)876(Top 39%)
25.2M25.20 mi0.35 mi485449449779(Top 3%)740(Top 5%)740(Top 33%)
Finish26.22 mi1.02 mi480+5445+4445+4753(Top 3%)720(Top 5%)720(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

384

Males

350

M45-49

350

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

348

Males

313

M45-49

313

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

384

Males

350

M45-49

350

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

395

Males

362

M45-49

362

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

384

Males

355

M45-49

355

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

521

Males

484

M45-49

484

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

580

Males

544

M45-49

544

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

890

Males

849

M45-49

849

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

853

Males

807

M45-49

807

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

911

Males

863

M45-49

863

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1222

Males

1153

M45-49

1153

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1056

Males

998

M45-49

998

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

927

Males

876

M45-49

876

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

779

Males

740

M45-49

740

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

753

Males

720

M45-49

720

Passing Analysis

Category:
Athletes Passed
204
Passed By
163
Net Change
+41
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#521
5K → 10K1031+102#521#419
10K → 15K243+21#419#398
15K → 20K1512+3#398#395
20K → Half31+2#395#393
Half → 25K516-11#393#404
25K → 30K1231-19#404#423
30K → 20M332-29#423#452
20M → 21M69-3#452#455
21M → 35K15-4#455#459
35K → 23M723-16#459#475
23M → 24M310-7#475#482
24M → 40K58-3#482#485
40K → 25.2M660#485#485
25.2M → Finish116+5#485#480
TOTALS204163+41
📊

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