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BOSTON MARATHON 2023

Bret Deto

Bib: 4574•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:52
Rank: #3814
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
41:25
Rank: #3658 (+156)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:01:56
Rank: #3514 (+144)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:22:43
Rank: #3504 (+10)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:27:17
Rank: #3521 (-17)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:41
Rank: #3551 (-30)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:05:38
Rank: #3771 (-220)
25K → 30K
21:57 | 7:04/mi
20M
2:15:23
Rank: #3864 (-93)
30K → 20M
9:45 | 7:10/mi
21M
2:22:55
Rank: #3916 (-52)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:28:12
Rank: #4005 (-89)
21M → 35K
5:17 | 7:04/mi
23M
2:36:56
Rank: #3961 (+44)
35K → 23M
8:44 | 6:59/mi
24M
2:43:43
Rank: #3931 (+30)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:49:41
Rank: #3911 (+20)
24M → 40K
5:58 | 6:59/mi
25.2M
2:52:18
Rank: #3918 (-7)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:59:12
Rank: #3924 (-6)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:17
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:31:55
Pace7:01 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4420:526:4320:52
6:43
-
10K
6.21 mi10:43:1741:256:4020:33
6:37
-0:06
15K
9.32 mi11:03:481:01:566:3920:31
6:36
-0:01
20K
12.43 mi11:24:351:22:436:3920:47
6:41
+0:05
Half
13.11 mi11:29:091:27:176:394:34
6:42
+0:01
25K
15.53 mi11:45:331:43:416:4016:24
6:46
+0:04
30K
18.64 mi12:07:302:05:386:4421:57
7:04
+0:18
20M
20.00 mi12:17:152:15:236:469:45
7:10
+0:06
21M
21.00 mi12:24:472:22:556:487:32
7:32
+0:22
35K
21.75 mi12:30:042:28:126:495:17
7:04
-0:28
23M
23.00 mi12:38:482:36:566:498:44
6:59
-0:05
24M
24.00 mi12:45:352:43:436:496:47
6:47
-0:12
40K
24.85 mi12:51:332:49:416:505:58
6:59
+0:12
25.2M
25.20 mi12:54:102:52:186:502:37
7:35
+0:36
Finish
26.22 mi13:01:042:59:126:506:54
6:46
-0:49

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

6:36 /mi

Average Pace

6:50 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:03

94% of race

Time at Steady Pace

10:09

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:22:4420:526:4320:52
6:43
#3814
10K
6.21 mi10:43:1741:256:4020:33
6:37
#3658
15K
9.32 mi11:03:481:01:566:3920:31
6:36
#3514
20K
12.43 mi11:24:351:22:436:3920:47
6:41
#3504
Half
13.11 mi11:29:091:27:176:394:34
6:42
#3521
25K
15.53 mi11:45:331:43:416:4016:24
6:46
#3551
30K
18.64 mi12:07:302:05:386:4421:57
7:04
#3771
20M
20.00 mi12:17:152:15:236:469:45
7:10
#3864
21M
21.00 mi12:24:472:22:556:487:32
7:32
#3916
35K
21.75 mi12:30:042:28:126:495:17
7:04
#4005
23M
23.00 mi12:38:482:36:566:498:44
6:59
#3961
24M
24.00 mi12:45:352:43:436:496:47
6:47
#3931
40K
24.85 mi12:51:332:49:416:505:58
6:59
#3911
25.2M
25.20 mi12:54:102:52:186:502:37
7:35
#3918
Finish
26.22 mi13:01:042:59:126:506:54
6:46
#3924
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3814358535853329(Top 13%)3159(Top 21%)3159(Top 60%)
10K6.21 mi3.10 mi3658+1563451+1343451+1343602(Top 14%)3402(Top 22%)3402(Top 64%)
15K9.32 mi3.11 mi3514+1443326+1253326+1253329(Top 13%)3159(Top 21%)3159(Top 60%)
20K12.43 mi3.11 mi3504+103321+53321+53500(Top 13%)3314(Top 22%)3314(Top 63%)
Half13.11 mi0.68 mi3521-173336-153336-154246(Top 16%)3970(Top 26%)3970(Top 75%)
25K15.53 mi2.42 mi3551-303365-293365-293845(Top 14%)3617(Top 24%)3617(Top 68%)
30K18.64 mi3.11 mi3771-2203559-1943559-1944738(Top 18%)4372(Top 29%)4372(Top 83%)
20M20.00 mi1.36 mi3864-933639-803639-804956(Top 19%)4502(Top 30%)4502(Top 85%)
21M21.00 mi1.00 mi3916-523685-463685-464725(Top 18%)4266(Top 28%)4266(Top 81%)
35K21.75 mi0.75 mi4005-893758-733758-735627(Top 21%)4958(Top 33%)4958(Top 94%)
23M23.00 mi1.25 mi3961+443716+423716+423660(Top 14%)3384(Top 22%)3384(Top 64%)
24M24.00 mi1.00 mi3931+303685+313685+313554(Top 13%)3265(Top 22%)3265(Top 62%)
40K24.85 mi0.85 mi3911+203663+223663+223719(Top 14%)3360(Top 22%)3360(Top 64%)
25.2M25.20 mi0.35 mi3918-73672-93672-94277(Top 16%)3747(Top 25%)3747(Top 71%)
Finish26.22 mi1.02 mi3924-63679-73679-73893(Top 15%)3449(Top 23%)3449(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3329

Males

3159

M18-39

3159

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3602

Males

3402

M18-39

3402

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3329

Males

3159

M18-39

3159

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3500

Males

3314

M18-39

3314

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4246

Males

3970

M18-39

3970

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3845

Males

3617

M18-39

3617

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4738

Males

4372

M18-39

4372

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4956

Males

4502

M18-39

4502

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4725

Males

4266

M18-39

4266

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5627

Males

4958

M18-39

4958

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3660

Males

3384

M18-39

3384

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3554

Males

3265

M18-39

3265

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3719

Males

3360

M18-39

3360

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4277

Males

3747

M18-39

3747

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3893

Males

3449

M18-39

3449

Passing Analysis

Category:
Athletes Passed
1060
Passed By
1170
Net Change
-110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3814
5K → 10K294138+156#3814#3658
10K → 15K18541+144#3658#3514
15K → 20K8575+10#3514#3504
20K → Half825-17#3504#3521
Half → 25K71101-30#3521#3551
25K → 30K40260-220#3551#3771
30K → 20M38131-93#3771#3864
20M → 21M52104-52#3864#3916
21M → 35K16105-89#3916#4005
35K → 23M8036+44#4005#3961
23M → 24M6636+30#3961#3931
24M → 40K5232+20#3931#3911
40K → 25.2M2835-7#3911#3918
25.2M → Finish4551-6#3918#3924
TOTALS10601170-110
📊

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