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BOSTON MARATHON 2023

Daniel Baird

Bib: 9075•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Masters (Masters Men)
#0 / 9891
Top 21%
Division (M40-44)
#0 / 2241
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:16
Rank: #7291
Start → 5K
22:16 | 7:10/mi
10K· 6.21 mi
44:16
Rank: #7261 (+30)
5K → 10K
22:00 | 7:05/mi
15K· 9.32 mi
1:06:26
Rank: #7277 (-16)
10K → 15K
22:10 | 7:08/mi
20K· 12.43 mi
1:28:49
Rank: #7200 (+77)
15K → 20K
22:23 | 7:12/mi
Half· 13.11 mi
1:33:38
Rank: #7181 (+19)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:51:02
Rank: #7043 (+138)
Half → 25K
17:24 | 7:11/mi
30K· 18.64 mi
2:13:34
Rank: #6777 (+266)
25K → 30K
22:32 | 7:15/mi
20M
2:23:28
Rank: #6664 (+113)
30K → 20M
9:54 | 7:17/mi
21M
2:31:07
Rank: #6561 (+103)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:36:22
Rank: #6480 (+81)
21M → 35K
5:15 | 7:01/mi
23M
2:45:17
Rank: #6319 (+161)
35K → 23M
8:55 | 7:07/mi
24M
2:52:20
Rank: #6192 (+127)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:58:23
Rank: #6089 (+103)
24M → 40K
6:03 | 7:05/mi
25.2M
3:00:59
Rank: #6035 (+54)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:07:51
Rank: #5899 (+136)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:33:38
Pace7:09 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:13
Pace7:11 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1622:167:1022:16
7:10
-
10K
6.21 mi11:10:1644:167:0722:00
7:05
-0:05
15K
9.32 mi11:32:261:06:267:0822:10
7:08
+0:03
20K
12.43 mi11:54:491:28:497:0922:23
7:12
+0:04
Half
13.11 mi11:59:381:33:387:094:49
7:04
-0:08
25K
15.53 mi12:17:021:51:027:0917:24
7:11
+0:07
30K
18.64 mi12:39:342:13:347:1022:32
7:15
+0:04
20M
20.00 mi12:49:282:23:287:109:54
7:17
+0:02
21M
21.00 mi12:57:072:31:077:127:39
7:39
+0:22
35K
21.75 mi13:02:222:36:227:115:15
7:01
-0:38
23M
23.00 mi13:11:172:45:177:118:55
7:07
+0:06
24M
24.00 mi13:18:202:52:207:117:03
7:03
-0:04
40K
24.85 mi13:24:232:58:237:116:03
7:05
+0:02
25.2M
25.20 mi13:26:593:00:597:112:36
7:32
+0:27
Finish
26.22 mi13:33:513:07:517:106:52
6:44
-0:48

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

6:44 /mi

Average Pace

7:10 /mi

Slowest Pace

7:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:36

95% of race

Time at Steady Pace

10:15

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:48:1622:167:1022:16
7:10
#7291
10K
6.21 mi11:10:1644:167:0722:00
7:05
#7261
15K
9.32 mi11:32:261:06:267:0822:10
7:08
#7277
20K
12.43 mi11:54:491:28:497:0922:23
7:12
#7200
Half
13.11 mi11:59:381:33:387:094:49
7:04
#7181
25K
15.53 mi12:17:021:51:027:0917:24
7:11
#7043
30K
18.64 mi12:39:342:13:347:1022:32
7:15
#6777
20M
20.00 mi12:49:282:23:287:109:54
7:17
#6664
21M
21.00 mi12:57:072:31:077:127:39
7:39
#6561
35K
21.75 mi13:02:222:36:227:115:15
7:01
#6480
23M
23.00 mi13:11:172:45:177:118:55
7:07
#6319
24M
24.00 mi13:18:202:52:207:117:03
7:03
#6192
40K
24.85 mi13:24:232:58:237:116:03
7:05
#6089
25.2M
25.20 mi13:26:593:00:597:112:36
7:32
#6035
Finish
26.22 mi13:33:513:07:517:106:52
6:44
#5899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7291648964897363(Top 28%)6504(Top 43%)6504(Top 290%)
10K6.21 mi3.10 mi7261+306449+406449+407307(Top 27%)6458(Top 43%)6458(Top 288%)
15K9.32 mi3.11 mi7277-166456-76456-77363(Top 28%)6504(Top 43%)6504(Top 290%)
20K12.43 mi3.11 mi7200+776391+656391+657115(Top 27%)6293(Top 41%)6293(Top 281%)
Half13.11 mi0.68 mi7181+196381+106381+106858(Top 26%)6115(Top 40%)6115(Top 273%)
25K15.53 mi2.42 mi7043+1386267+1146267+1146527(Top 25%)5817(Top 38%)5817(Top 260%)
30K18.64 mi3.11 mi6777+2666046+2216046+2215783(Top 22%)5209(Top 34%)5209(Top 232%)
20M20.00 mi1.36 mi6664+1135948+985948+985555(Top 21%)4967(Top 33%)4967(Top 222%)
21M21.00 mi1.00 mi6561+1035857+915857+915360(Top 20%)4732(Top 31%)4732(Top 211%)
35K21.75 mi0.75 mi6480+815788+695788+695445(Top 20%)4841(Top 32%)4841(Top 216%)
23M23.00 mi1.25 mi6319+1615664+1245664+1244410(Top 17%)4019(Top 26%)4019(Top 179%)
24M24.00 mi1.00 mi6192+1275556+1085556+1084915(Top 18%)4367(Top 29%)4367(Top 195%)
40K24.85 mi0.85 mi6089+1035467+895467+894260(Top 16%)3795(Top 25%)3795(Top 169%)
25.2M25.20 mi0.35 mi6035+545421+465421+464099(Top 15%)3641(Top 24%)3641(Top 162%)
Finish26.22 mi1.02 mi5899+1365306+1155306+1153739(Top 14%)3331(Top 22%)3331(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7363

Males

6504

M40-44

6504

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7307

Males

6458

M40-44

6458

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7363

Males

6504

M40-44

6504

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7115

Males

6293

M40-44

6293

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6858

Males

6115

M40-44

6115

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6527

Males

5817

M40-44

5817

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5783

Males

5209

M40-44

5209

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5555

Males

4967

M40-44

4967

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5360

Males

4732

M40-44

4732

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5445

Males

4841

M40-44

4841

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4410

Males

4019

M40-44

4019

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4915

Males

4367

M40-44

4367

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4260

Males

3795

M40-44

3795

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4099

Males

3641

M40-44

3641

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3739

Males

3331

M40-44

3331

Passing Analysis

Category:
Athletes Passed
1914
Passed By
522
Net Change
+1392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7291
5K → 10K229199+30#7291#7261
10K → 15K123139-16#7261#7277
15K → 20K14669+77#7277#7200
20K → Half278+19#7200#7181
Half → 25K16426+138#7181#7043
25K → 30K28317+266#7043#6777
30K → 20M12916+113#6777#6664
20M → 21M11916+103#6664#6561
21M → 35K876+81#6561#6480
35K → 23M1676+161#6480#6319
23M → 24M1358+127#6319#6192
24M → 40K1096+103#6192#6089
40K → 25.2M573+54#6089#6035
25.2M → Finish1393+136#6035#5899
TOTALS1914522+1392
📊

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