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BOSTON MARATHON 2023

Daniel Laster

Bib: 20063•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:01
Rank: #16672
Start → 5K
26:01 | 8:22/mi
10K· 6.21 mi
52:07
Rank: #17123 (-451)
5K → 10K
26:06 | 8:24/mi
15K· 9.32 mi
1:18:35
Rank: #17397 (-274)
10K → 15K
26:28 | 8:31/mi
20K· 12.43 mi
1:46:59
Rank: #18253 (-856)
15K → 20K
28:24 | 9:08/mi
Half· 13.11 mi
1:52:30
Rank: #18093 (+160)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:13:03
Rank: #17707 (+386)
Half → 25K
20:33 | 8:29/mi
30K· 18.64 mi
2:40:50
Rank: #17532 (+175)
25K → 30K
27:47 | 8:57/mi
20M
2:53:13
Rank: #17493 (+39)
30K → 20M
12:23 | 9:07/mi
21M
3:03:16
Rank: #17551 (-58)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
3:09:39
Rank: #17467 (+84)
21M → 35K
6:23 | 8:32/mi
23M
3:20:48
Rank: #17352 (+115)
35K → 23M
11:09 | 8:54/mi
24M
3:29:12
Rank: #17194 (+158)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:37:03
Rank: #17183 (+11)
24M → 40K
7:51 | 9:11/mi
25.2M
3:40:23
Rank: #17176 (+7)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:49:29
Rank: #17234 (-58)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:30
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:56:59
Pace8:55 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5026:018:2226:01
8:22
-
10K
6.21 mi11:48:5652:078:2326:06
8:24
+0:02
15K
9.32 mi12:15:241:18:358:2626:28
8:31
+0:07
20K
12.43 mi12:43:481:46:598:3728:24
9:08
+0:37
Half
13.11 mi12:49:191:52:308:355:31
8:05
-1:03
25K
15.53 mi13:09:522:13:038:3420:33
8:29
+0:24
30K
18.64 mi13:37:392:40:508:3827:47
8:57
+0:28
20M
20.00 mi13:50:022:53:138:4012:23
9:07
+0:10
21M
21.00 mi14:00:053:03:168:4410:03
10:03
+0:56
35K
21.75 mi14:06:283:09:398:436:23
8:32
-1:31
23M
23.00 mi14:17:373:20:488:4411:09
8:54
+0:22
24M
24.00 mi14:26:013:29:128:438:24
8:24
-0:30
40K
24.85 mi14:33:523:37:038:447:51
9:11
+0:47
25.2M
25.20 mi14:37:123:40:238:453:20
9:40
+0:29
Finish
26.22 mi14:46:183:49:298:469:06
8:56
-0:44

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

8:05 /mi

Average Pace

8:46 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:26

52% of race

Time at Steady Pace

1:28:49

39% of race

Time at Slower Pace

21:14

9% 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 mi11:22:5026:018:2226:01
8:22
#16672
10K
6.21 mi11:48:5652:078:2326:06
8:24
#17123
15K
9.32 mi12:15:241:18:358:2626:28
8:31
#17397
20K
12.43 mi12:43:481:46:598:3728:24
9:08
#18253
Half
13.11 mi12:49:191:52:308:355:31
8:05
#18093
25K
15.53 mi13:09:522:13:038:3420:33
8:29
#17707
30K
18.64 mi13:37:392:40:508:3827:47
8:57
#17532
20M
20.00 mi13:50:022:53:138:4012:23
9:07
#17493
21M
21.00 mi14:00:053:03:168:4410:03
10:03
#17551
35K
21.75 mi14:06:283:09:398:436:23
8:32
#17467
23M
23.00 mi14:17:373:20:488:4411:09
8:54
#17352
24M
24.00 mi14:26:013:29:128:438:24
8:24
#17194
40K
24.85 mi14:33:523:37:038:447:51
9:11
#17183
25.2M
25.20 mi14:37:123:40:238:453:20
9:40
#17176
Finish
26.22 mi14:46:183:49:298:469:06
8:56
#17234
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16672109431094317927(Top 67%)11454(Top 75%)11454(Top 1032%)
10K6.21 mi3.10 mi17123-45111102-15911102-15917583(Top 66%)11330(Top 75%)11330(Top 1021%)
15K9.32 mi3.11 mi17397-27411222-12011222-12017927(Top 67%)11454(Top 75%)11454(Top 1032%)
20K12.43 mi3.11 mi18253-85611571-34911571-34920315(Top 76%)12443(Top 82%)12443(Top 1121%)
Half13.11 mi0.68 mi18093+16011507+6411507+6415029(Top 56%)10329(Top 68%)10329(Top 931%)
25K15.53 mi2.42 mi17707+38611330+17711330+17716046(Top 60%)10560(Top 70%)10560(Top 951%)
30K18.64 mi3.11 mi17532+17511237+9311237+9316872(Top 63%)10860(Top 72%)10860(Top 978%)
20M20.00 mi1.36 mi17493+3911198+3911198+3917121(Top 64%)10865(Top 72%)10865(Top 979%)
21M21.00 mi1.00 mi17551-5811202-411202-418188(Top 68%)11298(Top 74%)11298(Top 1018%)
35K21.75 mi0.75 mi17467+8411164+3811164+3815473(Top 58%)10069(Top 66%)10069(Top 907%)
23M23.00 mi1.25 mi17352+11511104+6011104+6015556(Top 58%)10058(Top 66%)10058(Top 906%)
24M24.00 mi1.00 mi17194+15811022+8211022+8213866(Top 52%)9263(Top 61%)9263(Top 835%)
40K24.85 mi0.85 mi17183+1111000+2211000+2216999(Top 64%)10582(Top 70%)10582(Top 953%)
25.2M25.20 mi0.35 mi17176+710996+410996+415929(Top 60%)10093(Top 67%)10093(Top 909%)
Finish26.22 mi1.02 mi17234-5811009-1311009-1317604(Top 66%)10875(Top 72%)10875(Top 980%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17927

Males

11454

M60-64

11454

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17583

Males

11330

M60-64

11330

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17927

Males

11454

M60-64

11454

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20315

Males

12443

M60-64

12443

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15029

Males

10329

M60-64

10329

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16046

Males

10560

M60-64

10560

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16872

Males

10860

M60-64

10860

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

17121

Males

10865

M60-64

10865

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18188

Males

11298

M60-64

11298

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15473

Males

10069

M60-64

10069

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15556

Males

10058

M60-64

10058

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13866

Males

9263

M60-64

9263

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16999

Males

10582

M60-64

10582

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15929

Males

10093

M60-64

10093

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17604

Males

10875

M60-64

10875

Passing Analysis

Category:
Athletes Passed
1812
Passed By
2374
Net Change
-562
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16672
5K → 10K146597-451#16672#17123
10K → 15K99373-274#17123#17397
15K → 20K34890-856#17397#18253
20K → Half1600+160#18253#18093
Half → 25K3937+386#18093#17707
25K → 30K26388+175#17707#17532
30K → 20M10768+39#17532#17493
20M → 21M69127-58#17493#17551
21M → 35K9814+84#17551#17467
35K → 23M14328+115#17467#17352
23M → 24M1679+158#17352#17194
24M → 40K6857+11#17194#17183
40K → 25.2M2417+7#17183#17176
25.2M → Finish4199-58#17176#17234
TOTALS18122374-562
📊

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