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BOSTON MARATHON 2023

Joe Rossi

Bib: 27975•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

Start
0:00:00
Race begins
5K· 3.11 mi
31:48
Rank: #24026
Start → 5K
31:48 | 10:14/mi
10K· 6.21 mi
1:02:05
Rank: #23604 (+422)
5K → 10K
30:17 | 9:45/mi
15K· 9.32 mi
1:33:38
Rank: #23697 (-93)
10K → 15K
31:33 | 10:09/mi
20K· 12.43 mi
2:04:35
Rank: #23471 (+226)
15K → 20K
30:57 | 9:58/mi
Half· 13.11 mi
2:11:12
Rank: #23425 (+46)
20K → Half
6:37 | 9:42/mi
25K· 15.53 mi
2:35:43
Rank: #23257 (+168)
Half → 25K
24:31 | 10:07/mi
30K· 18.64 mi
3:08:44
Rank: #23095 (+162)
25K → 30K
33:01 | 10:38/mi
20M
3:22:48
Rank: #22960 (+135)
30K → 20M
14:04 | 10:21/mi
21M
3:33:44
Rank: #22834 (+126)
20M → 21M
10:56 | 10:56/mi
35K· 21.75 mi
3:41:39
Rank: #22828 (+6)
21M → 35K
7:55 | 10:35/mi
23M
3:54:50
Rank: #22728 (+100)
35K → 23M
13:11 | 10:32/mi
24M
4:05:35
Rank: #22713 (+15)
23M → 24M
10:45 | 10:45/mi
40K· 24.85 mi
4:15:02
Rank: #22705 (+8)
24M → 40K
9:27 | 11:03/mi
25.2M
4:19:15
Rank: #22706 (-1)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
4:28:46
Rank: #22629 (+77)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:12
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time2:17:34
Pace10:30 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4731:4810:1431:48
10:14
-
10K
6.21 mi12:20:041:02:059:5930:17
9:45
-0:29
15K
9.32 mi12:51:371:33:3810:0331:33
10:09
+0:24
20K
12.43 mi13:22:342:04:3510:0130:57
9:58
-0:11
Half
13.11 mi13:29:112:11:1210:006:37
9:42
-0:16
25K
15.53 mi13:53:422:35:4310:0124:31
10:07
+0:25
30K
18.64 mi14:26:433:08:4410:0733:01
10:38
+0:31
20M
20.00 mi14:40:473:22:4810:0814:04
10:21
-0:17
21M
21.00 mi14:51:433:33:4410:1110:56
10:56
+0:35
35K
21.75 mi14:59:383:41:3910:127:55
10:35
-0:21
23M
23.00 mi15:12:493:54:5010:1313:11
10:32
-0:03
24M
24.00 mi15:23:344:05:3510:1410:45
10:45
+0:13
40K
24.85 mi15:33:014:15:0210:169:27
11:03
+0:18
25.2M
25.20 mi15:37:144:19:1510:174:13
12:14
+1:11
Finish
26.22 mi15:46:454:28:4610:159:31
9:20
-2:54

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

9:20 /mi

Average Pace

10:15 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:22

29% of race

Time at Steady Pace

2:36:03

58% of race

Time at Slower Pace

35:21

13% of race

Average Pace: 10:15 /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 mi11:49:4731:4810:1431:48
10:14
#24026
10K
6.21 mi12:20:041:02:059:5930:17
9:45
#23604
15K
9.32 mi12:51:371:33:3810:0331:33
10:09
#23697
20K
12.43 mi13:22:342:04:3510:0130:57
9:58
#23471
Half
13.11 mi13:29:112:11:1210:006:37
9:42
#23425
25K
15.53 mi13:53:422:35:4310:0124:31
10:07
#23257
30K
18.64 mi14:26:433:08:4410:0733:01
10:38
#23095
20M
20.00 mi14:40:473:22:4810:0814:04
10:21
#22960
21M
21.00 mi14:51:433:33:4410:1110:56
10:56
#22834
35K
21.75 mi14:59:383:41:3910:127:55
10:35
#22828
23M
23.00 mi15:12:493:54:5010:1313:11
10:32
#22728
24M
24.00 mi15:23:344:05:3510:1410:45
10:45
#22713
40K
24.85 mi15:33:014:15:0210:169:27
11:03
#22705
25.2M
25.20 mi15:37:144:19:1510:174:13
12:14
#22706
Finish
26.22 mi15:46:454:28:4610:159:31
9:20
#22629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24026141001410023785(Top 89%)13993(Top 92%)13993(Top 624%)
10K6.21 mi3.10 mi23604+42213904+19613904+19623152(Top 87%)13716(Top 90%)13716(Top 612%)
15K9.32 mi3.11 mi23697-9313953-4913953-4923785(Top 89%)13993(Top 92%)13993(Top 624%)
20K12.43 mi3.11 mi23471+22613863+9013863+9022817(Top 86%)13540(Top 89%)13540(Top 604%)
Half13.11 mi0.68 mi23425+4613839+2413839+2422628(Top 85%)13455(Top 89%)13455(Top 600%)
25K15.53 mi2.42 mi23257+16813750+8913750+8922450(Top 84%)13342(Top 88%)13342(Top 595%)
30K18.64 mi3.11 mi23095+16213638+11213638+11222465(Top 84%)13282(Top 88%)13282(Top 593%)
20M20.00 mi1.36 mi22960+13513562+7613562+7621400(Top 80%)12741(Top 84%)12741(Top 569%)
21M21.00 mi1.00 mi22834+12613496+6613496+6620677(Top 78%)12381(Top 82%)12381(Top 552%)
35K21.75 mi0.75 mi22828+613484+1213484+1222525(Top 85%)13166(Top 87%)13166(Top 588%)
23M23.00 mi1.25 mi22728+10013421+6313421+6321386(Top 80%)12637(Top 83%)12637(Top 564%)
24M24.00 mi1.00 mi22713+1513407+1413407+1422561(Top 85%)13145(Top 87%)13145(Top 587%)
40K24.85 mi0.85 mi22705+813400+713400+722456(Top 84%)13061(Top 86%)13061(Top 583%)
25.2M25.20 mi0.35 mi22706-113397+313397+322857(Top 86%)13255(Top 87%)13255(Top 591%)
Finish26.22 mi1.02 mi22629+7713354+4313354+4319517(Top 73%)11762(Top 78%)11762(Top 525%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23785

Males

13993

M40-44

13993

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23152

Males

13716

M40-44

13716

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23785

Males

13993

M40-44

13993

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22817

Males

13540

M40-44

13540

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22628

Males

13455

M40-44

13455

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22450

Males

13342

M40-44

13342

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22465

Males

13282

M40-44

13282

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21400

Males

12741

M40-44

12741

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20677

Males

12381

M40-44

12381

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22525

Males

13166

M40-44

13166

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21386

Males

12637

M40-44

12637

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22561

Males

13145

M40-44

13145

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22456

Males

13061

M40-44

13061

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22857

Males

13255

M40-44

13255

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19517

Males

11762

M40-44

11762

Passing Analysis

Category:
Athletes Passed
1872
Passed By
475
Net Change
+1397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24026
5K → 10K49371+422#24026#23604
10K → 15K86179-93#23604#23697
15K → 20K25327+226#23697#23471
20K → Half537+46#23471#23425
Half → 25K18921+168#23425#23257
25K → 30K21351+162#23257#23095
30K → 20M1427+135#23095#22960
20M → 21M1304+126#22960#22834
21M → 35K3226+6#22834#22828
35K → 23M1066+100#22828#22728
23M → 24M4631+15#22728#22713
24M → 40K3527+8#22713#22705
40K → 25.2M1415-1#22705#22706
25.2M → Finish803+77#22706#22629
TOTALS1872475+1397
📊

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