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BOSTON MARATHON 2023

Robert Flynn

Bib: 8203•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
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
21:25
Rank: #5517
Start → 5K
21:25 | 6:54/mi
10K· 6.21 mi
43:57
Rank: #6938 (-1421)
5K → 10K
22:32 | 7:15/mi
15K· 9.32 mi
1:06:22
Rank: #7242 (-304)
10K → 15K
22:25 | 7:13/mi
20K· 12.43 mi
1:29:34
Rank: #7595 (-353)
15K → 20K
23:12 | 7:28/mi
Half· 13.11 mi
1:34:34
Rank: #7644 (-49)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:53:05
Rank: #7925 (-281)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:17:40
Rank: #8250 (-325)
25K → 30K
24:35 | 7:55/mi
20M
2:28:49
Rank: #8484 (-234)
30K → 20M
11:09 | 8:12/mi
21M
2:37:18
Rank: #8570 (-86)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:43:06
Rank: #8632 (-62)
21M → 35K
5:48 | 7:45/mi
23M
2:53:09
Rank: #8698 (-66)
35K → 23M
10:03 | 8:02/mi
24M
3:00:59
Rank: #8721 (-23)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:07:46
Rank: #8728 (-7)
24M → 40K
6:47 | 7:56/mi
25.2M
3:10:45
Rank: #8747 (-19)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:18:20
Rank: #8695 (+52)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:34
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:43:46
Pace7:55 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3621:256:5421:25
6:54
-
10K
6.21 mi11:09:0843:577:0422:32
7:15
+0:21
15K
9.32 mi11:31:331:06:227:0722:25
7:13
-0:02
20K
12.43 mi11:54:451:29:347:1223:12
7:28
+0:15
Half
13.11 mi11:59:451:34:347:135:00
7:20
-0:08
25K
15.53 mi12:18:161:53:057:1718:31
7:38
+0:18
30K
18.64 mi12:42:512:17:407:2324:35
7:55
+0:17
20M
20.00 mi12:54:002:28:497:2611:09
8:12
+0:17
21M
21.00 mi13:02:292:37:187:298:29
8:29
+0:17
35K
21.75 mi13:08:172:43:067:305:48
7:45
-0:44
23M
23.00 mi13:18:202:53:097:3210:03
8:02
+0:17
24M
24.00 mi13:26:103:00:597:327:50
7:50
-0:12
40K
24.85 mi13:32:573:07:467:336:47
7:56
+0:06
25.2M
25.20 mi13:35:563:10:457:342:59
8:39
+0:43
Finish
26.22 mi13:43:313:18:207:347:35
7:26
-1:13

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

6:54 /mi

Average Pace

7:34 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:09

52% of race

Time at Steady Pace

1:03:31

32% of race

Time at Slower Pace

32:40

16% of race

Average Pace: 7:34 /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 mi10:46:3621:256:5421:25
6:54
#5517
10K
6.21 mi11:09:0843:577:0422:32
7:15
#6938
15K
9.32 mi11:31:331:06:227:0722:25
7:13
#7242
20K
12.43 mi11:54:451:29:347:1223:12
7:28
#7595
Half
13.11 mi11:59:451:34:347:135:00
7:20
#7644
25K
15.53 mi12:18:161:53:057:1718:31
7:38
#7925
30K
18.64 mi12:42:512:17:407:2324:35
7:55
#8250
20M
20.00 mi12:54:002:28:497:2611:09
8:12
#8484
21M
21.00 mi13:02:292:37:187:298:29
8:29
#8570
35K
21.75 mi13:08:172:43:067:305:48
7:45
#8632
23M
23.00 mi13:18:202:53:097:3210:03
8:02
#8698
24M
24.00 mi13:26:103:00:597:327:50
7:50
#8721
40K
24.85 mi13:32:573:07:467:336:47
7:56
#8728
25.2M
25.20 mi13:35:563:10:457:342:59
8:39
#8747
Finish
26.22 mi13:43:313:18:207:347:35
7:26
#8695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5517509050907900(Top 30%)6855(Top 45%)6855(Top 306%)
10K6.21 mi3.10 mi6938-14216218-11286218-11288503(Top 32%)7262(Top 48%)7262(Top 324%)
15K9.32 mi3.11 mi7242-3046428-2106428-2107900(Top 30%)6855(Top 45%)6855(Top 306%)
20K12.43 mi3.11 mi7595-3536669-2416669-2419043(Top 34%)7524(Top 50%)7524(Top 336%)
Half13.11 mi0.68 mi7644-496702-336702-338787(Top 33%)7378(Top 49%)7378(Top 329%)
25K15.53 mi2.42 mi7925-2816867-1656867-1659812(Top 37%)7874(Top 52%)7874(Top 351%)
30K18.64 mi3.11 mi8250-3257030-1637030-16310216(Top 38%)7937(Top 52%)7937(Top 354%)
20M20.00 mi1.36 mi8484-2347161-1317161-13111698(Top 44%)8561(Top 56%)8561(Top 382%)
21M21.00 mi1.00 mi8570-867198-377198-3710356(Top 39%)7776(Top 51%)7776(Top 347%)
35K21.75 mi0.75 mi8632-627228-307228-3010253(Top 39%)7746(Top 51%)7746(Top 346%)
23M23.00 mi1.25 mi8698-667239-117239-119906(Top 37%)7421(Top 49%)7421(Top 331%)
24M24.00 mi1.00 mi8721-237234+57234+510005(Top 38%)7386(Top 49%)7386(Top 330%)
40K24.85 mi0.85 mi8728-77209+257209+259556(Top 36%)7103(Top 47%)7103(Top 317%)
25.2M25.20 mi0.35 mi8747-197208+17208+110369(Top 39%)7467(Top 49%)7467(Top 333%)
Finish26.22 mi1.02 mi8695+527161+477161+478069(Top 30%)6205(Top 41%)6205(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7900

Males

6855

M40-44

6855

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8503

Males

7262

M40-44

7262

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7900

Males

6855

M40-44

6855

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9043

Males

7524

M40-44

7524

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8787

Males

7378

M40-44

7378

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9812

Males

7874

M40-44

7874

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10216

Males

7937

M40-44

7937

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11698

Males

8561

M40-44

8561

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10356

Males

7776

M40-44

7776

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10253

Males

7746

M40-44

7746

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9906

Males

7421

M40-44

7421

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10005

Males

7386

M40-44

7386

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9556

Males

7103

M40-44

7103

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10369

Males

7467

M40-44

7467

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8069

Males

6205

M40-44

6205

Passing Analysis

Category:
Athletes Passed
579
Passed By
3757
Net Change
-3178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5517
5K → 10K21423-1421#5517#6938
10K → 15K47351-304#6938#7242
15K → 20K41394-353#7242#7595
20K → Half1362-49#7595#7644
Half → 25K33314-281#7644#7925
25K → 30K55380-325#7925#8250
30K → 20M35269-234#8250#8484
20M → 21M47133-86#8484#8570
21M → 35K2385-62#8570#8632
35K → 23M59125-66#8632#8698
23M → 24M5780-23#8698#8721
24M → 40K6269-7#8721#8728
40K → 25.2M2443-19#8728#8747
25.2M → Finish8129+52#8747#8695
TOTALS5793757-3178
📊

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