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BOSTON MARATHON 2023

David Pratt

Bib: 11890•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #10191
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
46:17
Rank: #9569 (+622)
5K → 10K
22:47 | 7:20/mi
15K· 9.32 mi
1:09:24
Rank: #9578 (-9)
10K → 15K
23:07 | 7:26/mi
20K· 12.43 mi
1:33:03
Rank: #9707 (-129)
15K → 20K
23:39 | 7:37/mi
Half· 13.11 mi
1:38:13
Rank: #9780 (-73)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:56:49
Rank: #9812 (-32)
Half → 25K
18:36 | 7:40/mi
30K· 18.64 mi
2:21:33
Rank: #9926 (-114)
25K → 30K
24:44 | 7:58/mi
20M
2:32:32
Rank: #9947 (-21)
30K → 20M
10:59 | 8:05/mi
21M
2:41:01
Rank: #9960 (-13)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:46:50
Rank: #9949 (+11)
21M → 35K
5:49 | 7:46/mi
23M
2:57:02
Rank: #9979 (-30)
35K → 23M
10:12 | 8:09/mi
24M
3:05:03
Rank: #10027 (-48)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:12:02
Rank: #10045 (-18)
24M → 40K
6:59 | 8:10/mi
25.2M
3:14:58
Rank: #10014 (+31)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:22:56
Rank: #10033 (-19)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:13
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:44:43
Pace7:59 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5823:307:3423:30
7:34
-
10K
6.21 mi11:13:4546:177:2722:47
7:20
-0:14
15K
9.32 mi11:36:521:09:247:2723:07
7:26
+0:06
20K
12.43 mi12:00:311:33:037:2923:39
7:37
+0:11
Half
13.11 mi12:05:411:38:137:305:10
7:34
-0:03
25K
15.53 mi12:24:171:56:497:3118:36
7:40
+0:06
30K
18.64 mi12:49:012:21:337:3624:44
7:58
+0:18
20M
20.00 mi13:00:002:32:327:3810:59
8:05
+0:07
21M
21.00 mi13:08:292:41:017:408:29
8:29
+0:24
35K
21.75 mi13:14:182:46:507:405:49
7:46
-0:43
23M
23.00 mi13:24:302:57:027:4210:12
8:09
+0:23
24M
24.00 mi13:32:313:05:037:438:01
8:01
-0:08
40K
24.85 mi13:39:303:12:027:446:59
8:10
+0:09
25.2M
25.20 mi13:42:263:14:587:442:56
8:30
+0:20
Finish
26.22 mi13:50:243:22:567:457:58
7:49
-0:41

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

7:20 /mi

Average Pace

7:45 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:21

80% of race

Time at Steady Pace

39:35

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:50:5823:307:3423:30
7:34
#10191
10K
6.21 mi11:13:4546:177:2722:47
7:20
#9569
15K
9.32 mi11:36:521:09:247:2723:07
7:26
#9578
20K
12.43 mi12:00:311:33:037:2923:39
7:37
#9707
Half
13.11 mi12:05:411:38:137:305:10
7:34
#9780
25K
15.53 mi12:24:171:56:497:3118:36
7:40
#9812
30K
18.64 mi12:49:012:21:337:3624:44
7:58
#9926
20M
20.00 mi13:00:002:32:327:3810:59
8:05
#9947
21M
21.00 mi13:08:292:41:017:408:29
8:29
#9960
35K
21.75 mi13:14:182:46:507:405:49
7:46
#9949
23M
23.00 mi13:24:302:57:027:4210:12
8:09
#9979
24M
24.00 mi13:32:313:05:037:438:01
8:01
#10027
40K
24.85 mi13:39:303:12:027:446:59
8:10
#10045
25.2M
25.20 mi13:42:263:14:587:442:56
8:30
#10014
Finish
26.22 mi13:50:243:22:567:457:58
7:49
#10033
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10191823182319684(Top 36%)7970(Top 53%)7970(Top 354%)
10K6.21 mi3.10 mi9569+6227916+3157916+3159100(Top 34%)7640(Top 50%)7640(Top 339%)
15K9.32 mi3.11 mi9578-97917-17917-19684(Top 36%)7970(Top 53%)7970(Top 354%)
20K12.43 mi3.11 mi9707-1297989-727989-7210161(Top 38%)8159(Top 54%)8159(Top 362%)
Half13.11 mi0.68 mi9780-738026-378026-3710751(Top 40%)8477(Top 56%)8477(Top 376%)
25K15.53 mi2.42 mi9812-328030-48030-410065(Top 38%)8023(Top 53%)8023(Top 356%)
30K18.64 mi3.11 mi9926-1148052-228052-2210569(Top 40%)8127(Top 54%)8127(Top 361%)
20M20.00 mi1.36 mi9947-218040+128040+1210858(Top 41%)8174(Top 54%)8174(Top 363%)
21M21.00 mi1.00 mi9960-138019+218019+2110368(Top 39%)7788(Top 51%)7788(Top 346%)
35K21.75 mi0.75 mi9949+117994+257994+2510430(Top 39%)7835(Top 52%)7835(Top 348%)
23M23.00 mi1.25 mi9979-307990+47990+410778(Top 40%)7855(Top 52%)7855(Top 349%)
24M24.00 mi1.00 mi10027-487967+237967+2311319(Top 43%)8050(Top 53%)8050(Top 357%)
40K24.85 mi0.85 mi10045-187952+157952+1511105(Top 42%)7881(Top 52%)7881(Top 350%)
25.2M25.20 mi0.35 mi10014+317919+337919+339508(Top 36%)7034(Top 46%)7034(Top 312%)
Finish26.22 mi1.02 mi10033-197911+87911+810776(Top 40%)7687(Top 51%)7687(Top 341%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9684

Males

7970

M45-49

7970

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9100

Males

7640

M45-49

7640

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9684

Males

7970

M45-49

7970

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10161

Males

8159

M45-49

8159

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10751

Males

8477

M45-49

8477

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10065

Males

8023

M45-49

8023

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10569

Males

8127

M45-49

8127

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10858

Males

8174

M45-49

8174

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10368

Males

7788

M45-49

7788

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10430

Males

7835

M45-49

7835

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10778

Males

7855

M45-49

7855

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11319

Males

8050

M45-49

8050

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11105

Males

7881

M45-49

7881

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9508

Males

7034

M45-49

7034

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10776

Males

7687

M45-49

7687

Passing Analysis

Category:
Athletes Passed
1715*
Passed By
1554
Net Change
+158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10191
5K → 10K712*90+622#10191#9569
10K → 15K165174-9#9569#9578
15K → 20K107236-129#9578#9707
20K → Half881-73#9707#9780
Half → 25K108140-32#9780#9812
25K → 30K115*229-114#9812#9926
30K → 20M87108-21#9926#9947
20M → 21M8092-13#9947#9960
21M → 35K4635+11#9960#9949
35K → 23M5989-30#9949#9979
23M → 24M62108-48#9979#10027
24M → 40K5169-18#10027#10045
40K → 25.2M49*18+31#10045#10014
25.2M → Finish6685-19#10014#10033
TOTALS1715*1554+158

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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