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BOSTON MARATHON 2023

Zach Baird

Bib: 7059•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M45-49)
#0 / 2252
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #1896
Start → 5K
19:57 | 6:25/mi
10K· 6.21 mi
40:15
Rank: #2364 (-468)
5K → 10K
20:18 | 6:32/mi
15K· 9.32 mi
1:00:25
Rank: #2444 (-80)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:20:23
Rank: #2281 (+163)
15K → 20K
19:58 | 6:26/mi
Half· 13.11 mi
1:24:43
Rank: #2263 (+18)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:40:19
Rank: #2183 (+80)
Half → 25K
15:36 | 6:26/mi
30K· 18.64 mi
2:00:35
Rank: #2066 (+117)
25K → 30K
20:16 | 6:31/mi
20M
2:09:23
Rank: #1984 (+82)
30K → 20M
8:48 | 6:29/mi
21M
2:16:07
Rank: #1919 (+65)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:20:45
Rank: #1877 (+42)
21M → 35K
4:38 | 6:12/mi
23M
2:28:50
Rank: #1806 (+71)
35K → 23M
8:05 | 6:27/mi
24M
2:34:58
Rank: #1738 (+68)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:40:18
Rank: #1658 (+80)
24M → 40K
5:20 | 6:14/mi
25.2M
2:42:39
Rank: #1642 (+16)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:48:46
Rank: #1573 (+69)
25.2M → Finish
6:07 | 6:00/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:43
Pace6:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:03
Pace6:25 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1319:576:2519:57
6:25
-
10K
6.21 mi10:45:3140:156:2920:18
6:32
+0:07
15K
9.32 mi11:05:411:00:256:2920:10
6:29
-0:03
20K
12.43 mi11:25:391:20:236:2819:58
6:26
-0:03
Half
13.11 mi11:29:591:24:436:284:20
6:21
-0:05
25K
15.53 mi11:45:351:40:196:2715:36
6:26
+0:05
30K
18.64 mi12:05:512:00:356:2820:16
6:31
+0:05
20M
20.00 mi12:14:392:09:236:288:48
6:29
-0:02
21M
21.00 mi12:21:232:16:076:296:44
6:44
+0:15
35K
21.75 mi12:26:012:20:456:284:38
6:12
-0:32
23M
23.00 mi12:34:062:28:506:288:05
6:27
+0:15
24M
24.00 mi12:40:142:34:586:276:08
6:08
-0:19
40K
24.85 mi12:45:342:40:186:275:20
6:14
+0:06
25.2M
25.20 mi12:47:552:42:396:272:21
6:49
+0:35
Finish
26.22 mi12:54:022:48:466:266:07
6:00
-0:49

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

6:00 /mi

Average Pace

6:26 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:41

95% of race

Time at Steady Pace

9:05

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:26 /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 mi10:25:1319:576:2519:57
6:25
#1896
10K
6.21 mi10:45:3140:156:2920:18
6:32
#2364
15K
9.32 mi11:05:411:00:256:2920:10
6:29
#2444
20K
12.43 mi11:25:391:20:236:2819:58
6:26
#2281
Half
13.11 mi11:29:591:24:436:284:20
6:21
#2263
25K
15.53 mi11:45:351:40:196:2715:36
6:26
#2183
30K
18.64 mi12:05:512:00:356:2820:16
6:31
#2066
20M
20.00 mi12:14:392:09:236:288:48
6:29
#1984
21M
21.00 mi12:21:232:16:076:296:44
6:44
#1919
35K
21.75 mi12:26:012:20:456:284:38
6:12
#1877
23M
23.00 mi12:34:062:28:506:288:05
6:27
#1806
24M
24.00 mi12:40:142:34:586:276:08
6:08
#1738
40K
24.85 mi12:45:342:40:186:275:20
6:14
#1658
25.2M
25.20 mi12:47:552:42:396:272:21
6:49
#1642
Finish
26.22 mi12:54:022:48:466:266:07
6:00
#1573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1896180718072569(Top 10%)2464(Top 16%)2464(Top 109%)
10K6.21 mi3.10 mi2364-4682256-4492256-4492977(Top 11%)2841(Top 19%)2841(Top 126%)
15K9.32 mi3.11 mi2444-802336-802336-802569(Top 10%)2464(Top 16%)2464(Top 109%)
20K12.43 mi3.11 mi2281+1632185+1512185+1511904(Top 7%)1827(Top 12%)1827(Top 81%)
Half13.11 mi0.68 mi2263+182168+172168+171965(Top 7%)1888(Top 12%)1888(Top 84%)
25K15.53 mi2.42 mi2183+802094+742094+741867(Top 7%)1789(Top 12%)1789(Top 79%)
30K18.64 mi3.11 mi2066+1171982+1121982+1121647(Top 6%)1574(Top 10%)1574(Top 70%)
20M20.00 mi1.36 mi1984+821900+821900+821362(Top 5%)1299(Top 9%)1299(Top 58%)
21M21.00 mi1.00 mi1919+651836+641836+641214(Top 5%)1156(Top 8%)1156(Top 51%)
35K21.75 mi0.75 mi1877+421796+401796+401231(Top 5%)1174(Top 8%)1174(Top 52%)
23M23.00 mi1.25 mi1806+711727+691727+691291(Top 5%)1222(Top 8%)1222(Top 54%)
24M24.00 mi1.00 mi1738+681662+651662+65848(Top 3%)804(Top 5%)804(Top 36%)
40K24.85 mi0.85 mi1658+801584+781584+78751(Top 3%)712(Top 5%)712(Top 32%)
25.2M25.20 mi0.35 mi1642+161568+161568+161204(Top 5%)1143(Top 8%)1143(Top 51%)
Finish26.22 mi1.02 mi1573+691504+641504+64738(Top 3%)706(Top 5%)706(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2569

Males

2464

M45-49

2464

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2977

Males

2841

M45-49

2841

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2569

Males

2464

M45-49

2464

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1904

Males

1827

M45-49

1827

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1965

Males

1888

M45-49

1888

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1867

Males

1789

M45-49

1789

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1647

Males

1574

M45-49

1574

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1362

Males

1299

M45-49

1299

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1214

Males

1156

M45-49

1156

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1231

Males

1174

M45-49

1174

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1291

Males

1222

M45-49

1222

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

848

Males

804

M45-49

804

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

751

Males

712

M45-49

712

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1204

Males

1143

M45-49

1143

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

738

Males

706

M45-49

706

Passing Analysis

Category:
Athletes Passed
1006
Passed By
683
Net Change
+323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1896
5K → 10K11479-468#1896#2364
10K → 15K48128-80#2364#2444
15K → 20K1674+163#2444#2281
20K → Half246+18#2281#2263
Half → 25K9515+80#2263#2183
25K → 30K13619+117#2183#2066
30K → 20M886+82#2066#1984
20M → 21M7510+65#1984#1919
21M → 35K431+42#1919#1877
35K → 23M787+71#1877#1806
23M → 24M702+68#1806#1738
24M → 40K811+80#1738#1658
40K → 25.2M204+16#1658#1642
25.2M → Finish701+69#1642#1573
TOTALS1006683+323
📊

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