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BOSTON MARATHON 2023

Douglas Baldwin

Bib: 1774•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M55-59)
#0 / 1422
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:49
Rank: #8400
Start → 5K
22:49 | 7:21/mi
10K· 6.21 mi
45:43
Rank: #8866 (-466)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:08:39
Rank: #8943 (-77)
10K → 15K
22:56 | 7:23/mi
20K· 12.43 mi
1:31:57
Rank: #8994 (-51)
15K → 20K
23:18 | 7:30/mi
Half· 13.11 mi
1:37:00
Rank: #9015 (-21)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:55:19
Rank: #9007 (+8)
Half → 25K
18:19 | 7:33/mi
30K· 18.64 mi
2:18:51
Rank: #8737 (+270)
25K → 30K
23:32 | 7:34/mi
20M
2:29:05
Rank: #8587 (+150)
30K → 20M
10:14 | 7:32/mi
21M
2:36:54
Rank: #8437 (+150)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:44:47
Rank: #9213 (-776)
21M → 35K
7:53 | 10:32/mi
23M
2:53:30
Rank: #8803 (+410)
35K → 23M
8:43 | 6:58/mi
24M
3:00:23
Rank: #8519 (+284)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
3:06:31
Rank: #8345 (+174)
24M → 40K
6:08 | 7:10/mi
25.2M
3:09:13
Rank: #8276 (+69)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:16:27
Rank: #8147 (+129)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:00
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:39:27
Pace7:35 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5122:497:2122:49
7:21
-
10K
6.21 mi10:46:4545:437:2122:54
7:22
+0:01
15K
9.32 mi11:09:411:08:397:2222:56
7:23
+0:01
20K
12.43 mi11:32:591:31:577:2423:18
7:30
+0:07
Half
13.11 mi11:38:021:37:007:245:03
7:24
-0:06
25K
15.53 mi11:56:211:55:197:2518:19
7:33
+0:09
30K
18.64 mi12:19:532:18:517:2723:32
7:34
+0:01
20M
20.00 mi12:30:072:29:057:2710:14
7:32
-0:02
21M
21.00 mi12:37:562:36:547:287:49
7:49
+0:17
35K
21.75 mi12:45:492:44:477:357:53
10:32
+2:43
23M
23.00 mi12:54:322:53:307:338:43
6:58
-3:34
24M
24.00 mi13:01:253:00:237:316:53
6:53
-0:05
40K
24.85 mi13:07:333:06:317:306:08
7:10
+0:17
25.2M
25.20 mi13:10:153:09:137:312:42
7:50
+0:40
Finish
26.22 mi13:17:293:16:277:307:14
7:06
-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

6:53 /mi

Average Pace

7:30 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:36

8% of race

Time at Steady Pace

2:42:27

83% of race

Time at Slower Pace

18:24

9% of race

Average Pace: 7:30 /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 mi10:23:5122:497:2122:49
7:21
#8400
10K
6.21 mi10:46:4545:437:2122:54
7:22
#8866
15K
9.32 mi11:09:411:08:397:2222:56
7:23
#8943
20K
12.43 mi11:32:591:31:577:2423:18
7:30
#8994
Half
13.11 mi11:38:021:37:007:245:03
7:24
#9015
25K
15.53 mi11:56:211:55:197:2518:19
7:33
#9007
30K
18.64 mi12:19:532:18:517:2723:32
7:34
#8737
20M
20.00 mi12:30:072:29:057:2710:14
7:32
#8587
21M
21.00 mi12:37:562:36:547:287:49
7:49
#8437
35K
21.75 mi12:45:492:44:477:357:53
10:32
#9213
23M
23.00 mi12:54:322:53:307:338:43
6:58
#8803
24M
24.00 mi13:01:253:00:237:316:53
6:53
#8519
40K
24.85 mi13:07:333:06:317:306:08
7:10
#8345
25.2M
25.20 mi13:10:153:09:137:312:42
7:50
#8276
Finish
26.22 mi13:17:293:16:277:307:14
7:06
#8147
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8400723672369166(Top 34%)7640(Top 50%)7640(Top 537%)
10K6.21 mi3.10 mi8866-4667495-2597495-2599379(Top 35%)7789(Top 51%)7789(Top 548%)
15K9.32 mi3.11 mi8943-777523-287523-289166(Top 34%)7640(Top 50%)7640(Top 537%)
20K12.43 mi3.11 mi8994-517543-207543-209291(Top 35%)7682(Top 51%)7682(Top 540%)
Half13.11 mi0.68 mi9015-217553-107553-109357(Top 35%)7707(Top 51%)7707(Top 542%)
25K15.53 mi2.42 mi9007+87548+57548+59168(Top 34%)7530(Top 50%)7530(Top 530%)
30K18.64 mi3.11 mi8737+2707342+2067342+2067758(Top 29%)6550(Top 43%)6550(Top 461%)
20M20.00 mi1.36 mi8587+1507226+1167226+1167000(Top 26%)5978(Top 39%)5978(Top 420%)
21M21.00 mi1.00 mi8437+1507112+1147112+1146271(Top 24%)5400(Top 36%)5400(Top 380%)
35K21.75 mi0.75 mi9213-7767566-4547566-45422442(Top 84%)13125(Top 86%)13125(Top 923%)
23M23.00 mi1.25 mi8803+4107302+2647302+2643603(Top 14%)3342(Top 22%)3342(Top 235%)
24M24.00 mi1.00 mi8519+2847112+1907112+1904118(Top 15%)3749(Top 25%)3749(Top 264%)
40K24.85 mi0.85 mi8345+1746984+1286984+1284764(Top 18%)4191(Top 28%)4191(Top 295%)
25.2M25.20 mi0.35 mi8276+696927+576927+575565(Top 21%)4664(Top 31%)4664(Top 328%)
Finish26.22 mi1.02 mi8147+1296831+966831+965820(Top 22%)4812(Top 32%)4812(Top 338%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9166

Males

7640

M55-59

7640

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9379

Males

7789

M55-59

7789

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9166

Males

7640

M55-59

7640

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9291

Males

7682

M55-59

7682

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9357

Males

7707

M55-59

7707

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9168

Males

7530

M55-59

7530

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7758

Males

6550

M55-59

6550

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7000

Males

5978

M55-59

5978

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6271

Males

5400

M55-59

5400

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22442

Males

13125

M55-59

13125

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3603

Males

3342

M55-59

3342

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4118

Males

3749

M55-59

3749

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4764

Males

4191

M55-59

4191

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5565

Males

4664

M55-59

4664

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5820

Males

4812

M55-59

4812

Passing Analysis

Category:
Athletes Passed
2175
Passed By
1922
Net Change
+253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8400
5K → 10K102568-466#8400#8866
10K → 15K115192-77#8866#8943
15K → 20K109160-51#8943#8994
20K → Half1738-21#8994#9015
Half → 25K112104+8#9015#9007
25K → 30K31242+270#9007#8737
30K → 20M16111+150#8737#8587
20M → 21M16010+150#8587#8437
21M → 35K2778-776#8437#9213
35K → 23M4111+410#9213#8803
23M → 24M2840+284#8803#8519
24M → 40K1784+174#8519#8345
40K → 25.2M734+69#8345#8276
25.2M → Finish13910+129#8276#8147
TOTALS21751922+253
📊

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