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BOSTON MARATHON 2023

Daniel Barber

Bib: 29589•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
27:28
Rank: #19672
Start → 5K
27:28 | 8:50/mi
10K· 6.21 mi
52:56
Rank: #18004 (+1668)
5K → 10K
25:28 | 8:12/mi
15K· 9.32 mi
1:18:46
Rank: #17521 (+483)
10K → 15K
25:50 | 8:19/mi
20K· 12.43 mi
1:44:51
Rank: #17174 (+347)
15K → 20K
26:05 | 8:24/mi
Half· 13.11 mi
1:50:28
Rank: #17123 (+51)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:11:00
Rank: #16939 (+184)
Half → 25K
20:32 | 8:28/mi
30K· 18.64 mi
2:37:43
Rank: #16526 (+413)
25K → 30K
26:43 | 8:36/mi
20M
2:49:26
Rank: #16350 (+176)
30K → 20M
11:43 | 8:37/mi
21M
2:58:38
Rank: #16236 (+114)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
3:04:58
Rank: #16173 (+63)
21M → 35K
6:20 | 8:28/mi
23M
3:15:54
Rank: #16067 (+106)
35K → 23M
10:56 | 8:44/mi
24M
3:24:24
Rank: #15984 (+83)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:31:55
Rank: #15934 (+50)
24M → 40K
7:31 | 8:47/mi
25.2M
3:35:11
Rank: #15906 (+28)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:44:10
Rank: #15968 (-62)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:28
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:53:42
Pace8:40 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3927:288:5027:28
8:50
-
10K
6.21 mi12:13:0752:568:3125:28
8:12
-0:38
15K
9.32 mi12:38:571:18:468:2725:50
8:19
+0:07
20K
12.43 mi13:05:021:44:518:2626:05
8:24
+0:05
Half
13.11 mi13:10:391:50:288:265:37
8:14
-0:10
25K
15.53 mi13:31:112:11:008:2620:32
8:28
+0:14
30K
18.64 mi13:57:542:37:438:2826:43
8:36
+0:08
20M
20.00 mi14:09:372:49:268:2811:43
8:37
+0:01
21M
21.00 mi14:18:492:58:388:309:12
9:12
+0:35
35K
21.75 mi14:25:093:04:588:306:20
8:28
-0:44
23M
23.00 mi14:36:053:15:548:3110:56
8:44
+0:16
24M
24.00 mi14:44:353:24:248:318:30
8:30
-0:14
40K
24.85 mi14:52:063:31:558:327:31
8:47
+0:17
25.2M
25.20 mi14:55:223:35:118:323:16
9:28
+0:41
Finish
26.22 mi15:04:213:44:108:338:59
8:49
-0:39

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

8:12 /mi

Average Pace

8:33 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:42

94% of race

Time at Steady Pace

12:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:33 /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 mi11:47:3927:288:5027:28
8:50
#19672
10K
6.21 mi12:13:0752:568:3125:28
8:12
#18004
15K
9.32 mi12:38:571:18:468:2725:50
8:19
#17521
20K
12.43 mi13:05:021:44:518:2626:05
8:24
#17174
Half
13.11 mi13:10:391:50:288:265:37
8:14
#17123
25K
15.53 mi13:31:112:11:008:2620:32
8:28
#16939
30K
18.64 mi13:57:542:37:438:2826:43
8:36
#16526
20M
20.00 mi14:09:372:49:268:2811:43
8:37
#16350
21M
21.00 mi14:18:492:58:388:309:12
9:12
#16236
35K
21.75 mi14:25:093:04:588:306:20
8:28
#16173
23M
23.00 mi14:36:053:15:548:3110:56
8:44
#16067
24M
24.00 mi14:44:353:24:248:318:30
8:30
#15984
40K
24.85 mi14:52:063:31:558:327:31
8:47
#15934
25.2M
25.20 mi14:55:223:35:118:323:16
9:28
#15906
Finish
26.22 mi15:04:213:44:108:338:59
8:49
#15968
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19672120291202916625(Top 62%)10917(Top 72%)10917(Top 207%)
10K6.21 mi3.10 mi18004+166811445+58411445+58416214(Top 61%)10787(Top 71%)10787(Top 204%)
15K9.32 mi3.11 mi17521+48311275+17011275+17016625(Top 62%)10917(Top 72%)10917(Top 207%)
20K12.43 mi3.11 mi17174+34711124+15111124+15116207(Top 61%)10717(Top 71%)10717(Top 203%)
Half13.11 mi0.68 mi17123+5111102+2211102+2215982(Top 60%)10682(Top 70%)10682(Top 202%)
25K15.53 mi2.42 mi16939+18411004+9811004+9815997(Top 60%)10537(Top 69%)10537(Top 199%)
30K18.64 mi3.11 mi16526+41310806+19810806+19814914(Top 56%)10022(Top 66%)10022(Top 190%)
20M20.00 mi1.36 mi16350+17610714+9210714+9214394(Top 54%)9740(Top 64%)9740(Top 184%)
21M21.00 mi1.00 mi16236+11410657+5710657+5714468(Top 54%)9708(Top 64%)9708(Top 184%)
35K21.75 mi0.75 mi16173+6310612+4510612+4515086(Top 57%)9912(Top 65%)9912(Top 188%)
23M23.00 mi1.25 mi16067+10610553+5910553+5914581(Top 55%)9622(Top 63%)9622(Top 182%)
24M24.00 mi1.00 mi15984+8310501+5210501+5214460(Top 54%)9513(Top 63%)9513(Top 180%)
40K24.85 mi0.85 mi15934+5010471+3010471+3015030(Top 56%)9703(Top 64%)9703(Top 184%)
25.2M25.20 mi0.35 mi15906+2810455+1610455+1615016(Top 56%)9692(Top 64%)9692(Top 183%)
Finish26.22 mi1.02 mi15968-6210478-2310478-2317089(Top 64%)10646(Top 70%)10646(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16625

Males

10917

M18-39

10917

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16214

Males

10787

M18-39

10787

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16625

Males

10917

M18-39

10917

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16207

Males

10717

M18-39

10717

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15982

Males

10682

M18-39

10682

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

15997

Males

10537

M18-39

10537

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14914

Males

10022

M18-39

10022

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14394

Males

9740

M18-39

9740

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14468

Males

9708

M18-39

9708

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15086

Males

9912

M18-39

9912

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14581

Males

9622

M18-39

9622

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14460

Males

9513

M18-39

9513

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15030

Males

9703

M18-39

9703

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15016

Males

9692

M18-39

9692

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17089

Males

10646

M18-39

10646

Passing Analysis

Category:
Athletes Passed
4136
Passed By
432
Net Change
+3704
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19672
5K → 10K169325+1668#19672#18004
10K → 15K53350+483#18004#17521
15K → 20K37932+347#17521#17174
20K → Half587+51#17174#17123
Half → 25K21834+184#17123#16939
25K → 30K42916+413#16939#16526
30K → 20M18711+176#16526#16350
20M → 21M14026+114#16350#16236
21M → 35K8118+63#16236#16173
35K → 23M14539+106#16173#16067
23M → 24M11027+83#16067#15984
24M → 40K8232+50#15984#15934
40K → 25.2M4315+28#15934#15906
25.2M → Finish38100-62#15906#15968
TOTALS4136432+3704
📊

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