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BOSTON MARATHON 2023

Thomas Byrne

Bib: 6472•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #4544
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
41:36
Rank: #3928 (+616)
5K → 10K
20:31 | 6:36/mi
15K· 9.32 mi
1:01:57
Rank: #3529 (+399)
10K → 15K
20:21 | 6:33/mi
20K· 12.43 mi
1:22:44
Rank: #3512 (+17)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:27:11
Rank: #3463 (+49)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:43:24
Rank: #3401 (+62)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:05:11
Rank: #3578 (-177)
25K → 30K
21:47 | 7:01/mi
20M
2:14:58
Rank: #3687 (-109)
30K → 20M
9:47 | 7:12/mi
21M
2:22:46
Rank: #3849 (-162)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:27:43
Rank: #3803 (+46)
21M → 35K
4:57 | 6:37/mi
23M
2:37:16
Rank: #4091 (-288)
35K → 23M
9:33 | 7:38/mi
24M
2:44:13
Rank: #4107 (-16)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:50:13
Rank: #4103 (+4)
24M → 40K
6:00 | 7:01/mi
25.2M
2:52:52
Rank: #4118 (-15)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:00:04
Rank: #4210 (-92)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:11
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:32:53
Pace7:05 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2421:056:4721:05
6:47
-
10K
6.21 mi10:44:5541:366:4220:31
6:36
-0:11
15K
9.32 mi11:05:161:01:576:3920:21
6:33
-0:03
20K
12.43 mi11:26:031:22:446:3920:47
6:41
+0:08
Half
13.11 mi11:30:301:27:116:394:27
6:31
-0:10
25K
15.53 mi11:46:431:43:246:3916:13
6:41
+0:10
30K
18.64 mi12:08:302:05:116:4321:47
7:01
+0:20
20M
20.00 mi12:18:172:14:586:459:47
7:12
+0:11
21M
21.00 mi12:26:052:22:466:487:48
7:48
+0:36
35K
21.75 mi12:31:022:27:436:484:57
6:37
-1:11
23M
23.00 mi12:40:352:37:166:509:33
7:38
+1:01
24M
24.00 mi12:47:322:44:136:516:57
6:57
-0:41
40K
24.85 mi12:53:322:50:136:516:00
7:01
+0:04
25.2M
25.20 mi12:56:112:52:526:522:39
7:41
+0:40
Finish
26.22 mi13:03:233:00:046:527:12
7:04
-0:37

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

6:31 /mi

Average Pace

6:52 /mi

Slowest Pace

7:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:17

83% of race

Time at Steady Pace

21:59

12% of race

Time at Slower Pace

7:48

4% of race

Average Pace: 6:52 /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 mi10:24:2421:056:4721:05
6:47
#4544
10K
6.21 mi10:44:5541:366:4220:31
6:36
#3928
15K
9.32 mi11:05:161:01:576:3920:21
6:33
#3529
20K
12.43 mi11:26:031:22:446:3920:47
6:41
#3512
Half
13.11 mi11:30:301:27:116:394:27
6:31
#3463
25K
15.53 mi11:46:431:43:246:3916:13
6:41
#3401
30K
18.64 mi12:08:302:05:116:4321:47
7:01
#3578
20M
20.00 mi12:18:172:14:586:459:47
7:12
#3687
21M
21.00 mi12:26:052:22:466:487:48
7:48
#3849
35K
21.75 mi12:31:022:27:436:484:57
6:37
#3803
23M
23.00 mi12:40:352:37:166:509:33
7:38
#4091
24M
24.00 mi12:47:322:44:136:516:57
6:57
#4107
40K
24.85 mi12:53:322:50:136:516:00
7:01
#4103
25.2M
25.20 mi12:56:112:52:526:522:39
7:41
#4118
Finish
26.22 mi13:03:233:00:046:527:12
7:04
#4210
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4544423842382937(Top 11%)2808(Top 19%)2808(Top 53%)
10K6.21 mi3.10 mi3928+6163698+5403698+5403529(Top 13%)3342(Top 22%)3342(Top 63%)
15K9.32 mi3.11 mi3529+3993339+3593339+3592937(Top 11%)2808(Top 19%)2808(Top 53%)
20K12.43 mi3.11 mi3512+173329+103329+103502(Top 13%)3316(Top 22%)3316(Top 63%)
Half13.11 mi0.68 mi3463+493281+483281+482970(Top 11%)2845(Top 19%)2845(Top 54%)
25K15.53 mi2.42 mi3401+623231+503231+503287(Top 12%)3127(Top 21%)3127(Top 59%)
30K18.64 mi3.11 mi3578-1773387-1563387-1564411(Top 17%)4094(Top 27%)4094(Top 77%)
20M20.00 mi1.36 mi3687-1093483-963483-965083(Top 19%)4605(Top 30%)4605(Top 87%)
21M21.00 mi1.00 mi3849-1623625-1423625-1426130(Top 23%)5278(Top 35%)5278(Top 100%)
35K21.75 mi0.75 mi3803+463580+453580+453126(Top 12%)2928(Top 19%)2928(Top 55%)
23M23.00 mi1.25 mi4091-2883832-2523832-2527228(Top 27%)5955(Top 39%)5955(Top 113%)
24M24.00 mi1.00 mi4107-163845-133845-134405(Top 17%)3980(Top 26%)3980(Top 75%)
40K24.85 mi0.85 mi4103+43840+53840+53933(Top 15%)3536(Top 23%)3536(Top 67%)
25.2M25.20 mi0.35 mi4118-153855-153855-154753(Top 18%)4106(Top 27%)4106(Top 78%)
Finish26.22 mi1.02 mi4210-923933-783933-785585(Top 21%)4639(Top 31%)4639(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2937

Males

2808

M18-39

2808

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3529

Males

3342

M18-39

3342

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2937

Males

2808

M18-39

2808

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3502

Males

3316

M18-39

3316

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2970

Males

2845

M18-39

2845

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3287

Males

3127

M18-39

3127

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4411

Males

4094

M18-39

4094

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5083

Males

4605

M18-39

4605

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6130

Males

5278

M18-39

5278

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3126

Males

2928

M18-39

2928

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7228

Males

5955

M18-39

5955

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4405

Males

3980

M18-39

3980

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3933

Males

3536

M18-39

3536

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4753

Males

4106

M18-39

4106

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5585

Males

4639

M18-39

4639

Passing Analysis

Category:
Athletes Passed
1619
Passed By
1285
Net Change
+334
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4544
5K → 10K65539+616#4544#3928
10K → 15K41213+399#3928#3529
15K → 20K8972+17#3529#3512
20K → Half512+49#3512#3463
Half → 25K9230+62#3463#3401
25K → 30K52229-177#3401#3578
30K → 20M33142-109#3578#3687
20M → 21M25187-162#3687#3849
21M → 35K5610+46#3849#3803
35K → 23M13301-288#3803#4091
23M → 24M5268-16#4091#4107
24M → 40K4844+4#4107#4103
40K → 25.2M1934-15#4103#4118
25.2M → Finish22114-92#4118#4210
TOTALS16191285+334
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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