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BOSTON MARATHON 2023

Brendan Greene

Bib: 27816•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:28
Rank: #23756
Start → 5K
10:08/mi
31:28 split
10K· 6.21 mi
1:02:11
Rank: #23638 (+118)
5K → 10K
9:53/mi
30:43 split
15K· 9.32 mi
1:34:07
Rank: #23799 (-161)
10K → 15K
10:17/mi
31:56 split
20K· 12.43 mi
2:06:34
Rank: #23796 (+3)
15K → 20K
10:27/mi
32:27 split
Half· 13.11 mi
2:13:53
Rank: #23822 (-26)
20K → Half
10:43/mi
7:19 split
25K· 15.53 mi
2:40:31
Rank: #23832 (-10)
Half → 25K
10:59/mi
26:38 split
30K· 18.64 mi
3:16:11
Rank: #23858 (-26)
25K → 30K
11:29/mi
35:40 split
20M
3:32:29
Rank: #23899 (-41)
30K → 20M
12:00/mi
16:18 split
21M
3:45:00
Rank: #23882 (+17)
20M → 21M
12:31/mi
12:31 split
35K· 21.75 mi
3:54:19
Rank: #23967 (-85)
21M → 35K
12:27/mi
9:19 split
23M
4:09:18
Rank: #23974 (-7)
35K → 23M
11:58/mi
14:59 split
24M
4:21:20
Rank: #24003 (-29)
23M → 24M
12:02/mi
12:02 split
40K· 24.85 mi
4:31:30
Rank: #24001 (+2)
24M → 40K
11:53/mi
10:10 split
25.2M
4:35:29
Rank: #23974 (+27)
40K → 25.2M
11:33/mi
3:59 split
Finish· 26.22 mi
4:45:50
Rank: #23920 (+54)
25.2M → Finish
10:09/mi
10:21 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:53
Pace10:13 /mi
2nd Half
Distance13.11 mi
Time2:31:57
Pace11:35 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2631:2810:0831:28
10:08
-
10K
6.21 mi12:22:091:02:1110:0030:43
9:53
-0:15
15K
9.32 mi12:54:051:34:0710:0631:56
10:17
+0:24
20K
12.43 mi13:26:322:06:3410:1132:27
10:27
+0:10
Half
13.11 mi13:33:512:13:5310:137:19
10:43
+0:16
25K
15.53 mi14:00:292:40:3110:2026:38
10:59
+0:16
30K
18.64 mi14:36:093:16:1110:3135:40
11:29
+0:30
20M
20.00 mi14:52:273:32:2910:3716:18
12:00
+0:31
21M
21.00 mi15:04:583:45:0010:4312:31
12:31
+0:31
35K
21.75 mi15:14:173:54:1910:469:19
12:27
-0:04
23M
23.00 mi15:29:164:09:1810:5014:59
11:58
-0:29
24M
24.00 mi15:41:184:21:2010:5312:02
12:02
+0:04
40K
24.85 mi15:51:284:31:3010:5510:10
11:53
-0:09
25.2M
25.20 mi15:55:274:35:2910:563:59
11:33
-0:20
Finish
26.22 mi16:05:484:45:5010:5510:21
10:09
-1:24

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

9:53 /mi

Average Pace

10:55 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:52

60% of race

Time at Steady Pace

49:49

17% of race

Time at Slower Pace

1:05:09

23% of race

Average Pace: 10:54 /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 mi11:51:2631:2810:0831:28
10:08
#23756
10K
6.21 mi12:22:091:02:1110:0030:43
9:53
#23638
15K
9.32 mi12:54:051:34:0710:0631:56
10:17
#23799
20K
12.43 mi13:26:322:06:3410:1132:27
10:27
#23796
Half
13.11 mi13:33:512:13:5310:137:19
10:43
#23822
25K
15.53 mi14:00:292:40:3110:2026:38
10:59
#23832
30K
18.64 mi14:36:093:16:1110:3135:40
11:29
#23858
20M
20.00 mi14:52:273:32:2910:3716:18
12:00
#23899
21M
21.00 mi15:04:583:45:0010:4312:31
12:31
#23882
35K
21.75 mi15:14:173:54:1910:469:19
12:27
#23967
23M
23.00 mi15:29:164:09:1810:5014:59
11:58
#23974
24M
24.00 mi15:41:184:21:2010:5312:02
12:02
#24003
40K
24.85 mi15:51:284:31:3010:5510:10
11:53
#24001
25.2M
25.20 mi15:55:274:35:2910:563:59
11:33
#23974
Finish
26.22 mi16:05:484:45:5010:5510:21
10:09
#23920
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23756139601396024041(Top 90%)14111(Top 93%)14111(Top 267%)
10K6.21 mi3.10 mi23638+11813922+3813922+3823451(Top 88%)13838(Top 91%)13838(Top 262%)
15K9.32 mi3.11 mi23799-16113998-7613998-7624041(Top 90%)14111(Top 93%)14111(Top 267%)
20K12.43 mi3.11 mi23796+314000-214000-223740(Top 89%)13950(Top 92%)13950(Top 264%)
Half13.11 mi0.68 mi23822-2614007-714007-724547(Top 92%)14285(Top 94%)14285(Top 270%)
25K15.53 mi2.42 mi23832-1014003+414003+423951(Top 90%)13999(Top 92%)13999(Top 265%)
30K18.64 mi3.11 mi23858-2613995+813995+823836(Top 90%)13890(Top 92%)13890(Top 263%)
20M20.00 mi1.36 mi23899-4114011-1614011-1624204(Top 91%)13996(Top 92%)13996(Top 265%)
21M21.00 mi1.00 mi23882+1713987+2413987+2423469(Top 88%)13654(Top 90%)13654(Top 258%)
35K21.75 mi0.75 mi23967-8514014-2714014-2725120(Top 94%)14383(Top 95%)14383(Top 272%)
23M23.00 mi1.25 mi23974-714012+214012+223953(Top 90%)13833(Top 91%)13833(Top 262%)
24M24.00 mi1.00 mi24003-2914013-114013-124574(Top 92%)14080(Top 93%)14080(Top 266%)
40K24.85 mi0.85 mi24001+214007+614007+623747(Top 89%)13667(Top 90%)13667(Top 259%)
25.2M25.20 mi0.35 mi23974+2713992+1513992+1521659(Top 81%)12704(Top 84%)12704(Top 240%)
Finish26.22 mi1.02 mi23920+5413961+3113961+3122175(Top 83%)12944(Top 85%)12944(Top 245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

24041

Males

14111

M18-39

14111

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23451

Males

13838

M18-39

13838

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

24041

Males

14111

M18-39

14111

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23740

Males

13950

M18-39

13950

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24547

Males

14285

M18-39

14285

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23951

Males

13999

M18-39

13999

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23836

Males

13890

M18-39

13890

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24204

Males

13996

M18-39

13996

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23469

Males

13654

M18-39

13654

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

25120

Males

14383

M18-39

14383

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23953

Males

13833

M18-39

13833

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24574

Males

14080

M18-39

14080

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23747

Males

13667

M18-39

13667

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21659

Males

12704

M18-39

12704

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22175

Males

12944

M18-39

12944

Passing Analysis

Category:
Athletes Passed
905
Passed By
1069
Net Change
-164
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23756
5K → 10K264146+118#23756#23638
10K → 15K67228-161#23638#23799
15K → 20K116113+3#23799#23796
20K → Half1541-26#23796#23822
Half → 25K8696-10#23822#23832
25K → 30K95121-26#23832#23858
30K → 20M3172-41#23858#23899
20M → 21M5841+17#23899#23882
21M → 35K792-85#23882#23967
35K → 23M3340-7#23967#23974
23M → 24M1746-29#23974#24003
24M → 40K3028+2#24003#24001
40K → 25.2M281+27#24001#23974
25.2M → Finish584+54#23974#23920
TOTALS9051069-164
📊

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