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BOSTON MARATHON 2023

Robert Dalto

Bib: 5350•M

NY

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
22:39
Rank: #8051
Start → 5K
22:39 | 7:17/mi
10K· 6.21 mi
46:25
Rank: #9749 (-1698)
5K → 10K
23:46 | 7:39/mi
15K· 9.32 mi
1:13:39
Rank: #13590 (-3841)
10K → 15K
27:14 | 8:46/mi
20K· 12.43 mi
1:42:13
Rank: #15746 (-2156)
15K → 20K
28:34 | 9:12/mi
Half· 13.11 mi
1:47:53
Rank: #15780 (-34)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:08:09
Rank: #15686 (+94)
Half → 25K
20:16 | 8:22/mi
30K· 18.64 mi
2:35:39
Rank: #15808 (-122)
25K → 30K
27:30 | 8:51/mi
20M
2:50:15
Rank: #16614 (-806)
30K → 20M
14:36 | 10:45/mi
21M
3:00:42
Rank: #16827 (-213)
20M → 21M
10:27 | 10:27/mi
35K· 21.75 mi
3:07:23
Rank: #16857 (-30)
21M → 35K
6:41 | 8:56/mi
23M
3:18:29
Rank: #16764 (+93)
35K → 23M
11:06 | 8:52/mi
24M
3:26:55
Rank: #16632 (+132)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:34:33
Rank: #16595 (+37)
24M → 40K
7:38 | 8:56/mi
25.2M
3:39:34
Rank: #16976 (-381)
40K → 25.2M
5:01 | 14:33/mi
Finish· 26.22 mi
3:49:36
Rank: #17255 (-279)
25.2M → Finish
10:02 | 9:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:53
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time2:01:43
Pace9:17 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2822:397:1722:39
7:17
-
10K
6.21 mi10:49:1446:257:2823:46
7:39
+0:22
15K
9.32 mi11:16:281:13:397:5427:14
8:46
+1:07
20K
12.43 mi11:45:021:42:138:1428:34
9:12
+0:26
Half
13.11 mi11:50:421:47:538:145:40
8:18
-0:54
25K
15.53 mi12:10:582:08:098:1520:16
8:22
+0:04
30K
18.64 mi12:38:282:35:398:2127:30
8:51
+0:29
20M
20.00 mi12:53:042:50:158:3114:36
10:45
+1:54
21M
21.00 mi13:03:313:00:428:3610:27
10:27
-0:18
35K
21.75 mi13:10:123:07:238:376:41
8:56
-1:31
23M
23.00 mi13:21:183:18:298:3811:06
8:52
-0:04
24M
24.00 mi13:29:443:26:558:378:26
8:26
-0:26
40K
24.85 mi13:37:223:34:338:387:38
8:56
+0:30
25.2M
25.20 mi13:42:233:39:348:435:01
14:33
+5:37
Finish
26.22 mi13:52:253:49:368:4610:02
9:51
-4:42

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

7:17 /mi

Average Pace

8:46 /mi

Slowest Pace

14:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:25

20% of race

Time at Steady Pace

2:23:05

62% of race

Time at Slower Pace

40:06

17% of race

Average Pace: 8:45 /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 mi10:25:2822:397:1722:39
7:17
#8051
10K
6.21 mi10:49:1446:257:2823:46
7:39
#9749
15K
9.32 mi11:16:281:13:397:5427:14
8:46
#13590
20K
12.43 mi11:45:021:42:138:1428:34
9:12
#15746
Half
13.11 mi11:50:421:47:538:145:40
8:18
#15780
25K
15.53 mi12:10:582:08:098:1520:16
8:22
#15686
30K
18.64 mi12:38:282:35:398:2127:30
8:51
#15808
20M
20.00 mi12:53:042:50:158:3114:36
10:45
#16614
21M
21.00 mi13:03:313:00:428:3610:27
10:27
#16827
35K
21.75 mi13:10:123:07:238:376:41
8:56
#16857
23M
23.00 mi13:21:183:18:298:3811:06
8:52
#16764
24M
24.00 mi13:29:443:26:558:378:26
8:26
#16632
40K
24.85 mi13:37:223:34:338:387:38
8:56
#16595
25.2M
25.20 mi13:42:233:39:348:435:01
14:33
#16976
Finish
26.22 mi13:52:253:49:368:4610:02
9:51
#17255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi80517011701119320(Top 73%)12016(Top 79%)12016(Top 227%)
10K6.21 mi3.10 mi9749-16988014-10038014-100311783(Top 44%)9021(Top 59%)9021(Top 171%)
15K9.32 mi3.11 mi13590-38419762-17489762-174819320(Top 73%)12016(Top 79%)12016(Top 227%)
20K12.43 mi3.11 mi15746-215610581-81910581-81920537(Top 77%)12534(Top 83%)12534(Top 237%)
Half13.11 mi0.68 mi15780-3410592-1110592-1116492(Top 62%)10884(Top 72%)10884(Top 206%)
25K15.53 mi2.42 mi15686+9410525+6710525+6715315(Top 58%)10271(Top 68%)10271(Top 194%)
30K18.64 mi3.11 mi15808-12210531-610531-616385(Top 62%)10647(Top 70%)10647(Top 201%)
20M20.00 mi1.36 mi16614-80610829-29810829-29822233(Top 84%)13099(Top 86%)13099(Top 248%)
21M21.00 mi1.00 mi16827-21310928-9910928-9919418(Top 73%)11800(Top 78%)11800(Top 223%)
35K21.75 mi0.75 mi16857-30109281092817595(Top 66%)10966(Top 72%)10966(Top 207%)
23M23.00 mi1.25 mi16764+9310865+6310865+6315348(Top 58%)9964(Top 66%)9964(Top 189%)
24M24.00 mi1.00 mi16632+13210786+7910786+7914073(Top 53%)9354(Top 62%)9354(Top 177%)
40K24.85 mi0.85 mi16595+3710748+3810748+3815739(Top 59%)10024(Top 66%)10024(Top 190%)
25.2M25.20 mi0.35 mi16976-38110897-14910897-14925413(Top 95%)14500(Top 96%)14500(Top 274%)
Finish26.22 mi1.02 mi17255-27911017-12011017-12021288(Top 80%)12554(Top 83%)12554(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19320

Males

12016

M18-39

12016

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11783

Males

9021

M18-39

9021

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19320

Males

12016

M18-39

12016

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20537

Males

12534

M18-39

12534

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16492

Males

10884

M18-39

10884

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15315

Males

10271

M18-39

10271

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16385

Males

10647

M18-39

10647

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22233

Males

13099

M18-39

13099

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19418

Males

11800

M18-39

11800

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17595

Males

10966

M18-39

10966

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15348

Males

9964

M18-39

9964

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14073

Males

9354

M18-39

9354

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15739

Males

10024

M18-39

10024

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25413

Males

14500

M18-39

14500

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21288

Males

12554

M18-39

12554

Passing Analysis

Category:
Athletes Passed
788
Passed By
9990
Net Change
-9204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8051
5K → 10K121710-1698#8051#9749
10K → 15K13840-3841#9749#13590
15K → 20K112167-2156#13590#15746
20K → Half1953-34#15746#15780
Half → 25K17379+94#15780#15686
25K → 30K127249-122#15686#15808
30K → 20M8814-806#15808#16614
20M → 21M29242-213#16614#16827
21M → 35K4171-30#16827#16857
35K → 23M13340+93#16857#16764
23M → 24M14412+132#16764#16632
24M → 40K7538+37#16632#16595
40K → 25.2M1382-381#16595#16976
25.2M → Finish14293-279#16976#17255
TOTALS7889990-9204
📊

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