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BOSTON MARATHON 2023

William Dowdall

Bib: 15114 M IE

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M50-54)
#0 / 2052
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:39/mi
23:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:35/mi
47:19
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:32/mi
1:10:42
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:46/mi
1:34:50
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:36/mi
1:40:01
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:45/mi
1:58:49
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:01/mi
2:23:43
↑ 181↓ 1480.2%
138 ft elev
20M
8:43/mi
2:35:34
↑ 64↓ 500.2%
148 ft elev
21M
8:31/mi
2:44:05
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:41/mi
2:49:50
↑ 17↓ 861.7%
156 ft elev
23M
8:08/mi
3:00:01
↑ 23↓ 630.6%
116 ft elev
24M
8:50/mi
3:08:51
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:04/mi
3:15:45
↓ 200.3%
20 ft elev
25.2M
8:51/mi
3:18:48
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:53/mi
3:26:50
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:01
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:46:49
Pace8:09 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5423:467:3923:46
7:39
-
10K
6.21 mi11:17:2747:197:3723:33
7:35
-0:04
15K
9.32 mi11:40:501:10:427:3523:23
7:32
-0:03
20K
12.43 mi12:04:581:34:507:3824:08
7:46
+0:14
Half
13.11 mi12:10:091:40:017:385:11
7:36
-0:10
25K
15.53 mi12:28:571:58:497:3918:48
7:45
+0:09
30K
18.64 mi12:53:512:23:437:4324:54
8:01
+0:16
20M
20.00 mi13:05:422:35:347:4711:51
8:43
+0:42
21M
21.00 mi13:14:132:44:057:498:31
8:31
-0:12
35K
21.75 mi13:19:582:49:507:495:45
7:41
-0:50
23M
23.00 mi13:30:093:00:017:5010:11
8:08
+0:27
24M
24.00 mi13:38:593:08:517:528:50
8:50
+0:42
40K
24.85 mi13:45:533:15:457:536:54
8:04
-0:46
25.2M
25.20 mi13:48:563:18:487:533:03
8:51
+0:47
Finish
26.22 mi13:56:583:26:507:548:02
7:53
-0:58

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

7:32 /mi

Average Pace

7:54 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:35

84% of race

Time at Steady Pace

32:15

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:53:5423:467:3923:46
7:39
#11010
10K
6.21 mi11:17:2747:197:3723:33
7:35
#11049
15K
9.32 mi11:40:501:10:427:3523:23
7:32
#10800
20K
12.43 mi12:04:581:34:507:3824:08
7:46
#10972
Half
13.11 mi12:10:091:40:017:385:11
7:36
#10965
25K
15.53 mi12:28:571:58:497:3918:48
7:45
#10888
30K
18.64 mi12:53:512:23:437:4324:54
8:01
#10850
20M
20.00 mi13:05:422:35:347:4711:51
8:43
#11174
21M
21.00 mi13:14:132:44:057:498:31
8:31
#11104
35K
21.75 mi13:19:582:49:507:495:45
7:41
#11066
23M
23.00 mi13:30:093:00:017:5010:11
8:08
#11005
24M
24.00 mi13:38:593:08:517:528:50
8:50
#11314
40K
24.85 mi13:45:533:15:457:536:54
8:04
#11257
25.2M
25.20 mi13:48:563:18:487:533:03
8:51
#11261
Finish
26.22 mi13:56:583:26:507:548:02
7:53
#11234
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi110108665866510384(Top 39%)8352(Top 55%)8352(Top 407%)
10K6.21 mi3.10 mi11049-398686-218686-2111125(Top 42%)8726(Top 57%)8726(Top 425%)
15K9.32 mi3.11 mi10800+2498554+1328554+13210384(Top 39%)8352(Top 55%)8352(Top 407%)
20K12.43 mi3.11 mi10972-1728636-828636-8211457(Top 43%)8779(Top 58%)8779(Top 428%)
Half13.11 mi0.68 mi10965+78635+18635+110961(Top 41%)8600(Top 57%)8600(Top 419%)
25K15.53 mi2.42 mi10888+778580+558580+5510723(Top 40%)8359(Top 55%)8359(Top 407%)
30K18.64 mi3.11 mi10850+388509+718509+7111006(Top 41%)8350(Top 55%)8350(Top 407%)
20M20.00 mi1.36 mi11174-3248626-1178626-11714951(Top 56%)9961(Top 66%)9961(Top 485%)
21M21.00 mi1.00 mi11104+708576+508576+5010568(Top 40%)7901(Top 52%)7901(Top 385%)
35K21.75 mi0.75 mi11066+388551+258551+259840(Top 37%)7553(Top 50%)7553(Top 368%)
23M23.00 mi1.25 mi11005+618491+608491+6010689(Top 40%)7813(Top 51%)7813(Top 381%)
24M24.00 mi1.00 mi11314-3098612-1218612-12116357(Top 61%)10326(Top 68%)10326(Top 503%)
40K24.85 mi0.85 mi11257+578553+598553+5910490(Top 39%)7602(Top 50%)7602(Top 370%)
25.2M25.20 mi0.35 mi11261-48544+98544+911525(Top 43%)8039(Top 53%)8039(Top 392%)
Finish26.22 mi1.02 mi11234+278510+348510+3411264(Top 42%)7921(Top 52%)7921(Top 386%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10384

Males

8352

M50-54

8352

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11125

Males

8726

M50-54

8726

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10384

Males

8352

M50-54

8352

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11457

Males

8779

M50-54

8779

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10961

Males

8600

M50-54

8600

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10723

Males

8359

M50-54

8359

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11006

Males

8350

M50-54

8350

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14951

Males

9961

M50-54

9961

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10568

Males

7901

M50-54

7901

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9840

Males

7553

M50-54

7553

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10689

Males

7813

M50-54

7813

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16357

Males

10326

M50-54

10326

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10490

Males

7602

M50-54

7602

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11525

Males

8039

M50-54

8039

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11264

Males

7921

M50-54

7921

Passing Analysis

Category:
Athletes Passed
1664
Passed By
1888
Net Change
-224
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11010
5K → 10K287326-39#11010#11049
10K → 15K32576+249#11049#10800
15K → 20K107279-172#10800#10972
20K → Half2619+7#10972#10965
Half → 25K15578+77#10965#10888
25K → 30K214176+38#10888#10850
30K → 20M27351-324#10850#11174
20M → 21M11545+70#11174#11104
21M → 35K6527+38#11104#11066
35K → 23M12059+61#11066#11005
23M → 24M16325-309#11005#11314
24M → 40K9235+57#11314#11257
40K → 25.2M2933-4#11257#11261
25.2M → Finish8659+27#11261#11234
TOTALS16641888-224
📊

Passing Visuals

Category:
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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