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BOSTON MARATHON 2023

Joshua Baird

Bib: 2023•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M45-49)
#0 / 2252
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:28
Rank: #2769
Start → 5K
20:28 | 6:35/mi
10K· 6.21 mi
41:01
Rank: #3166 (-397)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:01:49
Rank: #3428 (-262)
10K → 15K
20:48 | 6:42/mi
20K· 12.43 mi
1:22:28
Rank: #3340 (+88)
15K → 20K
20:39 | 6:39/mi
Half· 13.11 mi
1:26:54
Rank: #3296 (+44)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:56
Rank: #3176 (+120)
Half → 25K
16:02 | 6:37/mi
30K· 18.64 mi
2:04:01
Rank: #3056 (+120)
25K → 30K
21:05 | 6:47/mi
20M
2:13:11
Rank: #2995 (+61)
30K → 20M
9:10 | 6:45/mi
21M
2:20:09
Rank: #2912 (+83)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:24:52
Rank: #2826 (+86)
21M → 35K
4:43 | 6:18/mi
23M
2:33:00
Rank: #2664 (+162)
35K → 23M
8:08 | 6:30/mi
24M
2:39:18
Rank: #2549 (+115)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:44:51
Rank: #2486 (+63)
24M → 40K
5:33 | 6:29/mi
25.2M
2:47:12
Rank: #2442 (+44)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:53:39
Rank: #2402 (+40)
25.2M → Finish
6:27 | 6:20/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:26:54
Pace6:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:45
Pace6:37 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3820:286:3520:28
6:35
-
10K
6.21 mi10:42:1141:016:3620:33
6:37
+0:02
15K
9.32 mi11:02:591:01:496:3820:48
6:42
+0:05
20K
12.43 mi11:23:381:22:286:3820:39
6:39
-0:03
Half
13.11 mi11:28:041:26:546:384:26
6:30
-0:09
25K
15.53 mi11:44:061:42:566:3816:02
6:37
+0:07
30K
18.64 mi12:05:112:04:016:3921:05
6:47
+0:10
20M
20.00 mi12:14:212:13:116:409:10
6:45
-0:02
21M
21.00 mi12:21:192:20:096:406:58
6:58
+0:13
35K
21.75 mi12:26:022:24:526:404:43
6:18
-0:40
23M
23.00 mi12:34:102:33:006:398:08
6:30
+0:12
24M
24.00 mi12:40:282:39:186:386:18
6:18
-0:12
40K
24.85 mi12:46:012:44:516:385:33
6:29
+0:11
25.2M
25.20 mi12:48:222:47:126:382:21
6:49
+0:20
Finish
26.22 mi12:54:492:53:396:386:27
6:20
-0:29

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

6:18 /mi

Average Pace

6:38 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:41

96% of race

Time at Steady Pace

6:58

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:37 /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 mi10:21:3820:286:3520:28
6:35
#2769
10K
6.21 mi10:42:1141:016:3620:33
6:37
#3166
15K
9.32 mi11:02:591:01:496:3820:48
6:42
#3428
20K
12.43 mi11:23:381:22:286:3820:39
6:39
#3340
Half
13.11 mi11:28:041:26:546:384:26
6:30
#3296
25K
15.53 mi11:44:061:42:566:3816:02
6:37
#3176
30K
18.64 mi12:05:112:04:016:3921:05
6:47
#3056
20M
20.00 mi12:14:212:13:116:409:10
6:45
#2995
21M
21.00 mi12:21:192:20:096:406:58
6:58
#2912
35K
21.75 mi12:26:022:24:526:404:43
6:18
#2826
23M
23.00 mi12:34:102:33:006:398:08
6:30
#2664
24M
24.00 mi12:40:282:39:186:386:18
6:18
#2549
40K
24.85 mi12:46:012:44:516:385:33
6:29
#2486
25.2M
25.20 mi12:48:222:47:126:382:21
6:49
#2442
Finish
26.22 mi12:54:492:53:396:386:27
6:20
#2402
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2769263426344057(Top 15%)3806(Top 25%)3806(Top 169%)
10K6.21 mi3.10 mi3166-3973004-3703004-3703584(Top 13%)3384(Top 22%)3384(Top 150%)
15K9.32 mi3.11 mi3428-2623247-2433247-2434057(Top 15%)3806(Top 25%)3806(Top 169%)
20K12.43 mi3.11 mi3340+883172+753172+753136(Top 12%)2982(Top 20%)2982(Top 132%)
Half13.11 mi0.68 mi3296+443134+383134+382745(Top 10%)2629(Top 17%)2629(Top 117%)
25K15.53 mi2.42 mi3176+1203024+1103024+1102773(Top 10%)2651(Top 17%)2651(Top 118%)
30K18.64 mi3.11 mi3056+1202912+1122912+1122871(Top 11%)2721(Top 18%)2721(Top 121%)
20M20.00 mi1.36 mi2995+612855+572855+572495(Top 9%)2366(Top 16%)2366(Top 105%)
21M21.00 mi1.00 mi2912+832779+762779+762005(Top 8%)1900(Top 13%)1900(Top 84%)
35K21.75 mi0.75 mi2826+862701+782701+781615(Top 6%)1535(Top 10%)1535(Top 68%)
23M23.00 mi1.25 mi2664+1622545+1562545+1561422(Top 5%)1350(Top 9%)1350(Top 60%)
24M24.00 mi1.00 mi2549+1152435+1102435+1101355(Top 5%)1283(Top 8%)1283(Top 57%)
40K24.85 mi0.85 mi2486+632375+602375+601511(Top 6%)1425(Top 9%)1425(Top 63%)
25.2M25.20 mi0.35 mi2442+442332+432332+431229(Top 5%)1168(Top 8%)1168(Top 52%)
Finish26.22 mi1.02 mi2402+402293+392293+391743(Top 7%)1639(Top 11%)1639(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4057

Males

3806

M45-49

3806

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3584

Males

3384

M45-49

3384

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4057

Males

3806

M45-49

3806

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3136

Males

2982

M45-49

2982

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2745

Males

2629

M45-49

2629

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2773

Males

2651

M45-49

2651

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2871

Males

2721

M45-49

2721

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2495

Males

2366

M45-49

2366

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2005

Males

1900

M45-49

1900

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1615

Males

1535

M45-49

1535

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1422

Males

1350

M45-49

1350

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1355

Males

1283

M45-49

1283

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1511

Males

1425

M45-49

1425

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1229

Males

1168

M45-49

1168

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1743

Males

1639

M45-49

1639

Passing Analysis

Category:
Athletes Passed
1245
Passed By
878
Net Change
+367
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2769
5K → 10K46443-397#2769#3166
10K → 15K30292-262#3166#3428
15K → 20K12537+88#3428#3340
20K → Half484+44#3340#3296
Half → 25K13313+120#3296#3176
25K → 30K15434+120#3176#3056
30K → 20M7514+61#3056#2995
20M → 21M9310+83#2995#2912
21M → 35K882+86#2912#2826
35K → 23M1631+162#2826#2664
23M → 24M1172+115#2664#2549
24M → 40K696+63#2549#2486
40K → 25.2M451+44#2486#2442
25.2M → Finish5919+40#2442#2402
TOTALS1245878+367
📊

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