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BOSTON MARATHON 2023

Michael Freni

Bib: 31931•M

MA

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

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
10:13/mi
31:43
↑ 97↓ 3451.5%
10K· 6.21 mi
10:24/mi
1:04:02
↑ 79↓ 1380.4%
15K· 9.32 mi
10:16/mi
1:35:56
↑ 67↓ 78
20K· 12.43 mi
10:26/mi
2:08:20
↑ 106↓ 860.1%
Half· 13.11 mi
10:07/mi
2:15:14
↑ 19↓ 370.5%
25K· 15.53 mi
11:14/mi
2:42:28
↑ 66↓ 880.2%
30K· 18.64 mi
11:52/mi
3:19:20
↑ 181↓ 1480.2%
20M
13:26/mi
3:37:35
↑ 64↓ 500.2%
21M
13:26/mi
3:51:00
↑ 106↓ 241.6%
35K· 21.75 mi
12:18/mi
4:00:12
↑ 17↓ 861.7%
23M
12:52/mi
4:16:19
↑ 23↓ 630.6%
24M
11:35/mi
4:27:54
↓ 821.3%
40K· 24.85 mi
12:39/mi
4:38:43
↓ 200.3%
25.2M
14:01/mi
4:43:33
↑ 13↓ 160.2%
Finish· 26.22 mi
11:37/mi
4:55:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:14
Pace10:19 /mi
2nd Half
Distance13.11 mi
Time2:40:09
Pace12:13 /mi
📊Positive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4231:4310:1331:43
10:13
-
10K
6.21 mi12:26:011:04:0210:1832:19
10:24
+0:11
15K
9.32 mi12:57:551:35:5610:1831:54
10:16
-0:08
20K
12.43 mi13:30:192:08:2010:2032:24
10:26
+0:10
Half
13.11 mi13:37:132:15:1410:196:54
10:07
-0:19
25K
15.53 mi14:04:272:42:2810:2827:14
11:14
+1:07
30K
18.64 mi14:41:193:19:2010:4236:52
11:52
+0:38
20M
20.00 mi14:59:343:37:3510:5318:15
13:26
+1:34
21M
21.00 mi15:12:593:51:0011:0013:25
13:26
0:00
35K
21.75 mi15:22:114:00:1211:039:12
12:18
-1:08
23M
23.00 mi15:38:184:16:1911:0916:07
12:52
+0:34
24M
24.00 mi15:49:534:27:5411:1011:35
11:35
-1:17
40K
24.85 mi16:00:424:38:4311:1310:49
12:39
+1:04
25.2M
25.20 mi16:05:324:43:3311:154:50
14:01
+1:22
Finish
26.22 mi16:17:224:55:2311:1611:50
11:37
-2:24

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

10:07 /mi

Average Pace

11:16 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:14

46% of race

Time at Steady Pace

1:27:31

30% of race

Time at Slower Pace

1:12:38

25% of race

Average Pace: 11:16 /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 mi11:53:4231:4310:1331:43
10:13
#23974
10K
6.21 mi12:26:011:04:0210:1832:19
10:24
#24279
15K
9.32 mi12:57:551:35:5610:1831:54
10:16
#24201
20K
12.43 mi13:30:192:08:2010:2032:24
10:26
#24072
Half
13.11 mi13:37:132:15:1410:196:54
10:07
#24031
25K
15.53 mi14:04:272:42:2810:2827:14
11:14
#24094
30K
18.64 mi14:41:193:19:2010:4236:52
11:52
#24154
20M
20.00 mi14:59:343:37:3510:5318:15
13:26
#24341
21M
21.00 mi15:12:593:51:0011:0013:25
13:26
#24359
35K
21.75 mi15:22:114:00:1211:039:12
12:18
#24392
23M
23.00 mi15:38:184:16:1911:0916:07
12:52
#24456
24M
24.00 mi15:49:534:27:5411:1011:35
11:35
#24447
40K
24.85 mi16:00:424:38:4311:1310:49
12:39
#24471
25.2M
25.20 mi16:05:324:43:3311:154:50
14:01
#24490
Finish
26.22 mi16:17:224:55:2311:1611:50
11:37
#24523
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi23974140801408024020(Top 90%)14100(Top 93%)14100(Top 629%)
10K6.21 mi3.10 mi24279-30514215-13514215-13524498(Top 92%)14312(Top 94%)14312(Top 639%)
15K9.32 mi3.11 mi24201+7814178+3714178+3724020(Top 90%)14100(Top 93%)14100(Top 629%)
20K12.43 mi3.11 mi24072+12914116+6214116+6223708(Top 89%)13940(Top 92%)13940(Top 622%)
Half13.11 mi0.68 mi24031+4114097+1914097+1923506(Top 88%)13855(Top 91%)13855(Top 618%)
25K15.53 mi2.42 mi24094-6314114-1714114-1724315(Top 91%)14171(Top 93%)14171(Top 632%)
30K18.64 mi3.11 mi24154-6014124-1014124-1024340(Top 91%)14134(Top 93%)14134(Top 631%)
20M20.00 mi1.36 mi24341-18714195-7114195-7125488(Top 96%)14611(Top 96%)14611(Top 652%)
21M21.00 mi1.00 mi24359-1814198-314198-324513(Top 92%)14139(Top 93%)14139(Top 631%)
35K21.75 mi0.75 mi24392-3314205-714205-724965(Top 94%)14304(Top 94%)14304(Top 638%)
23M23.00 mi1.25 mi24456-6414224-1914224-1924958(Top 94%)14323(Top 94%)14323(Top 639%)
24M24.00 mi1.00 mi24447+914209+1514209+1523981(Top 90%)13807(Top 91%)13807(Top 616%)
40K24.85 mi0.85 mi24471-2414218-914218-924608(Top 92%)14105(Top 93%)14105(Top 629%)
25.2M25.20 mi0.35 mi24490-1914221-314221-325018(Top 94%)14289(Top 94%)14289(Top 638%)
Finish26.22 mi1.02 mi24523-3314224-314224-324821(Top 93%)14227(Top 94%)14227(Top 635%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

24020

Males

14100

M40-44

14100

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24498

Males

14312

M40-44

14312

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

24020

Males

14100

M40-44

14100

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23708

Males

13940

M40-44

13940

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23506

Males

13855

M40-44

13855

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24315

Males

14171

M40-44

14171

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24340

Males

14134

M40-44

14134

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25488

Males

14611

M40-44

14611

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24513

Males

14139

M40-44

14139

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24965

Males

14304

M40-44

14304

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

24958

Males

14323

M40-44

14323

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23981

Males

13807

M40-44

13807

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24608

Males

14105

M40-44

14105

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25018

Males

14289

M40-44

14289

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24821

Males

14227

M40-44

14227

Passing Analysis

Category:
Athletes Passed
776
Passed By
1325
Net Change
-549
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23974
5K → 10K83388-305#23974#24279
10K → 15K16688+78#24279#24201
15K → 20K17647+129#24201#24072
20K → Half487+41#24072#24031
Half → 25K76139-63#24031#24094
25K → 30K85145-60#24094#24154
30K → 20M12199-187#24154#24341
20M → 21M3351-18#24341#24359
21M → 35K1851-33#24359#24392
35K → 23M1680-64#24392#24456
23M → 24M3324+9#24456#24447
24M → 40K1236-24#24447#24471
40K → 25.2M423-19#24471#24490
25.2M → Finish1447-33#24490#24523
TOTALS7761325-549
📊

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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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing