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BOSTON MARATHON 2023

Brian Harris

Bib: 5684•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:52
Rank: #6493
Start → 5K
21:52 | 7:02/mi
10K· 6.21 mi
44:38
Rank: #7650 (-1157)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:08:06
Rank: #8503 (-853)
10K → 15K
23:28 | 7:33/mi
20K· 12.43 mi
1:32:50
Rank: #9570 (-1067)
15K → 20K
24:44 | 7:58/mi
Half· 13.11 mi
1:38:15
Rank: #9798 (-228)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
1:58:19
Rank: #10623 (-825)
Half → 25K
20:04 | 8:17/mi
30K· 18.64 mi
2:25:36
Rank: #11709 (-1086)
25K → 30K
27:17 | 8:47/mi
20M
2:37:54
Rank: #12179 (-470)
30K → 20M
12:18 | 9:03/mi
21M
2:47:55
Rank: #12629 (-450)
20M → 21M
10:01 | 10:01/mi
35K· 21.75 mi
2:54:23
Rank: #12772 (-143)
21M → 35K
6:28 | 8:39/mi
23M
3:06:21
Rank: #13205 (-433)
35K → 23M
11:58 | 9:33/mi
24M
3:16:15
Rank: #13714 (-509)
23M → 24M
9:54 | 9:54/mi
40K· 24.85 mi
3:24:16
Rank: #13882 (-168)
24M → 40K
8:01 | 9:23/mi
25.2M
3:27:40
Rank: #13947 (-65)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:36:24
Rank: #14027 (-80)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:15
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:58:09
Pace9:01 /mi
📊Positive Split: 20.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3721:527:0221:52
7:02
-
10K
6.21 mi10:47:2344:387:1122:46
7:20
+0:18
15K
9.32 mi11:10:511:08:067:1823:28
7:33
+0:13
20K
12.43 mi11:35:351:32:507:2824:44
7:58
+0:25
Half
13.11 mi11:41:001:38:157:305:25
7:56
-0:02
25K
15.53 mi12:01:041:58:197:3720:04
8:17
+0:21
30K
18.64 mi12:28:212:25:367:4927:17
8:47
+0:30
20M
20.00 mi12:40:392:37:547:5412:18
9:03
+0:16
21M
21.00 mi12:50:402:47:558:0010:01
10:01
+0:58
35K
21.75 mi12:57:082:54:238:016:28
8:39
-1:22
23M
23.00 mi13:09:063:06:218:0611:58
9:33
+0:54
24M
24.00 mi13:19:003:16:158:119:54
9:54
+0:21
40K
24.85 mi13:27:013:24:168:138:01
9:23
-0:31
25.2M
25.20 mi13:30:253:27:408:143:24
9:52
+0:29
Finish
26.22 mi13:39:093:36:248:168:44
8:34
-1:18

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

7:02 /mi

Average Pace

8:16 /mi

Slowest Pace

10:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:15

45% of race

Time at Steady Pace

1:14:51

35% of race

Time at Slower Pace

43:18

20% of race

Average Pace: 8:15 /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 mi10:24:3721:527:0221:52
7:02
#6493
10K
6.21 mi10:47:2344:387:1122:46
7:20
#7650
15K
9.32 mi11:10:511:08:067:1823:28
7:33
#8503
20K
12.43 mi11:35:351:32:507:2824:44
7:58
#9570
Half
13.11 mi11:41:001:38:157:305:25
7:56
#9798
25K
15.53 mi12:01:041:58:197:3720:04
8:17
#10623
30K
18.64 mi12:28:212:25:367:4927:17
8:47
#11709
20M
20.00 mi12:40:392:37:547:5412:18
9:03
#12179
21M
21.00 mi12:50:402:47:558:0010:01
10:01
#12629
35K
21.75 mi12:57:082:54:238:016:28
8:39
#12772
23M
23.00 mi13:09:063:06:218:0611:58
9:33
#13205
24M
24.00 mi13:19:003:16:158:119:54
9:54
#13714
40K
24.85 mi13:27:013:24:168:138:01
9:23
#13882
25.2M
25.20 mi13:30:253:27:408:143:24
9:52
#13947
Finish
26.22 mi13:39:093:36:248:168:44
8:34
#14027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi64935882588210596(Top 40%)8453(Top 56%)8453(Top 377%)
10K6.21 mi3.10 mi7650-11576741-8596741-8599066(Top 34%)7623(Top 50%)7623(Top 340%)
15K9.32 mi3.11 mi8503-8537271-5307271-53010596(Top 40%)8453(Top 56%)8453(Top 377%)
20K12.43 mi3.11 mi9570-10677901-6307901-63013105(Top 49%)9489(Top 63%)9489(Top 423%)
Half13.11 mi0.68 mi9798-2288036-1358036-13513848(Top 52%)9842(Top 65%)9842(Top 439%)
25K15.53 mi2.42 mi10623-8258449-4138449-41314771(Top 55%)10066(Top 66%)10066(Top 449%)
30K18.64 mi3.11 mi11709-10868880-4318880-43115930(Top 60%)10448(Top 69%)10448(Top 466%)
20M20.00 mi1.36 mi12179-4709068-1889068-18816782(Top 63%)10733(Top 71%)10733(Top 479%)
21M21.00 mi1.00 mi12629-4509239-1719239-17118069(Top 68%)11240(Top 74%)11240(Top 502%)
35K21.75 mi0.75 mi12772-1439286-479286-4716056(Top 60%)10306(Top 68%)10306(Top 460%)
23M23.00 mi1.25 mi13205-4339452-1669452-16618520(Top 70%)11355(Top 75%)11355(Top 507%)
24M24.00 mi1.00 mi13714-5099622-1709622-17020489(Top 77%)12206(Top 80%)12206(Top 545%)
40K24.85 mi0.85 mi13882-1689665-439665-4317824(Top 67%)10946(Top 72%)10946(Top 488%)
25.2M25.20 mi0.35 mi13947-659687-229687-2216746(Top 63%)10432(Top 69%)10432(Top 466%)
Finish26.22 mi1.02 mi14027-809696-99696-915795(Top 59%)10079(Top 66%)10079(Top 450%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10596

Males

8453

M40-44

8453

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9066

Males

7623

M40-44

7623

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10596

Males

8453

M40-44

8453

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13105

Males

9489

M40-44

9489

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13848

Males

9842

M40-44

9842

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14771

Males

10066

M40-44

10066

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

15930

Males

10448

M40-44

10448

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16782

Males

10733

M40-44

10733

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18069

Males

11240

M40-44

11240

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16056

Males

10306

M40-44

10306

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18520

Males

11355

M40-44

11355

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20489

Males

12206

M40-44

12206

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17824

Males

10946

M40-44

10946

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16746

Males

10432

M40-44

10432

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15795

Males

10079

M40-44

10079

Passing Analysis

Category:
Athletes Passed
239
Passed By
7771
Net Change
-7534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6493
5K → 10K91166-1157#6493#7650
10K → 15K13866-853#7650#8503
15K → 20K131080-1067#8503#9570
20K → Half0228-228#9570#9798
Half → 25K17840-825#9798#10623
25K → 30K281114-1086#10623#11709
30K → 20M22492-470#11709#12179
20M → 21M16466-450#12179#12629
21M → 35K21164-143#12629#12772
35K → 23M14447-433#12772#13205
23M → 24M7516-509#13205#13714
24M → 40K31199-168#13714#13882
40K → 25.2M1075-65#13882#13947
25.2M → Finish38118-80#13947#14027
TOTALS2397771-7534
📊

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