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BOSTON MARATHON 2023

Tanner Barlow

Bib: 1909•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:45
Rank: #752
Start → 5K
18:45 | 6:02/mi
10K· 6.21 mi
37:12
Rank: #704 (+48)
5K → 10K
18:27 | 5:56/mi
15K· 9.32 mi
55:58
Rank: #733 (-29)
10K → 15K
18:46 | 6:02/mi
20K· 12.43 mi
1:15:11
Rank: #771 (-38)
15K → 20K
19:13 | 6:11/mi
Half· 13.11 mi
1:19:21
Rank: #788 (-17)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:34:31
Rank: #823 (-35)
Half → 25K
15:10 | 6:15/mi
30K· 18.64 mi
1:54:15
Rank: #843 (-20)
25K → 30K
19:44 | 6:21/mi
20M
2:02:56
Rank: #846 (-3)
30K → 20M
8:41 | 6:23/mi
21M
2:09:38
Rank: #846
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:14:18
Rank: #853 (-7)
21M → 35K
4:40 | 6:14/mi
23M
2:22:29
Rank: #868 (-15)
35K → 23M
8:11 | 6:32/mi
24M
2:28:51
Rank: #877 (-9)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:34:28
Rank: #881 (-4)
24M → 40K
5:37 | 6:34/mi
25.2M
2:36:54
Rank: #886 (-5)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:43:13
Rank: #874 (+12)
25.2M → Finish
6:19 | 6:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:21
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:23:52
Pace6:24 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0818:456:0218:45
6:02
-
10K
6.21 mi10:37:3537:125:5918:27
5:56
-0:06
15K
9.32 mi10:56:2155:586:0018:46
6:02
+0:06
20K
12.43 mi11:15:341:15:116:0319:13
6:11
+0:09
Half
13.11 mi11:19:441:19:216:034:10
6:06
-0:05
25K
15.53 mi11:34:541:34:316:0515:10
6:15
+0:09
30K
18.64 mi11:54:381:54:156:0819:44
6:21
+0:06
20M
20.00 mi12:03:192:02:566:098:41
6:23
+0:02
21M
21.00 mi12:10:012:09:386:106:42
6:42
+0:19
35K
21.75 mi12:14:412:14:186:114:40
6:14
-0:28
23M
23.00 mi12:22:522:22:296:128:11
6:32
+0:18
24M
24.00 mi12:29:142:28:516:126:22
6:22
-0:10
40K
24.85 mi12:34:512:34:286:135:37
6:34
+0:12
25.2M
25.20 mi12:37:172:36:546:142:26
7:03
+0:29
Finish
26.22 mi12:43:362:43:136:146:19
6:12
-0:51

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

5:56 /mi

Average Pace

6:14 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:17

86% of race

Time at Steady Pace

20:30

13% of race

Time at Slower Pace

2:26

1% of race

Average Pace: 6:13 /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 mi10:19:0818:456:0218:45
6:02
#752
10K
6.21 mi10:37:3537:125:5918:27
5:56
#704
15K
9.32 mi10:56:2155:586:0018:46
6:02
#733
20K
12.43 mi11:15:341:15:116:0319:13
6:11
#771
Half
13.11 mi11:19:441:19:216:034:10
6:06
#788
25K
15.53 mi11:34:541:34:316:0515:10
6:15
#823
30K
18.64 mi11:54:381:54:156:0819:44
6:21
#843
20M
20.00 mi12:03:192:02:566:098:41
6:23
#846
21M
21.00 mi12:10:012:09:386:106:42
6:42
#846
35K
21.75 mi12:14:412:14:186:114:40
6:14
#853
23M
23.00 mi12:22:522:22:296:128:11
6:32
#868
24M
24.00 mi12:29:142:28:516:126:22
6:22
#877
40K
24.85 mi12:34:512:34:286:135:37
6:34
#881
25.2M
25.20 mi12:37:172:36:546:142:26
7:03
#886
Finish
26.22 mi12:43:362:43:136:146:19
6:12
#874
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi752704704803(Top 3%)757(Top 5%)757(Top 14%)
10K6.21 mi3.10 mi704+48660+44660+44668(Top 3%)624(Top 4%)624(Top 12%)
15K9.32 mi3.11 mi733-29689-29689-29803(Top 3%)757(Top 5%)757(Top 14%)
20K12.43 mi3.11 mi771-38726-37726-371010(Top 4%)960(Top 6%)960(Top 18%)
Half13.11 mi0.68 mi788-17743-17743-171021(Top 4%)973(Top 6%)973(Top 18%)
25K15.53 mi2.42 mi823-35778-35778-351153(Top 4%)1099(Top 7%)1099(Top 21%)
30K18.64 mi3.11 mi843-20799-21799-211060(Top 4%)1009(Top 7%)1009(Top 19%)
20M20.00 mi1.36 mi846-3801-2801-21094(Top 4%)1048(Top 7%)1048(Top 20%)
21M21.00 mi1.00 mi8468018011083(Top 4%)1029(Top 7%)1029(Top 19%)
35K21.75 mi0.75 mi853-7808-7808-71338(Top 5%)1268(Top 8%)1268(Top 24%)
23M23.00 mi1.25 mi868-15822-14822-141537(Top 6%)1459(Top 10%)1459(Top 28%)
24M24.00 mi1.00 mi877-9830-8830-81548(Top 6%)1464(Top 10%)1464(Top 28%)
40K24.85 mi0.85 mi881-4834-4834-41768(Top 7%)1663(Top 11%)1663(Top 31%)
25.2M25.20 mi0.35 mi886-5840-6840-61865(Top 7%)1748(Top 12%)1748(Top 33%)
Finish26.22 mi1.02 mi874+12828+12828+121256(Top 5%)1189(Top 8%)1189(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

803

Males

757

M18-39

757

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

668

Males

624

M18-39

624

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

803

Males

757

M18-39

757

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1010

Males

960

M18-39

960

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1021

Males

973

M18-39

973

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1153

Males

1099

M18-39

1099

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1060

Males

1009

M18-39

1009

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1094

Males

1048

M18-39

1048

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1083

Males

1029

M18-39

1029

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1338

Males

1268

M18-39

1268

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1537

Males

1459

M18-39

1459

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1548

Males

1464

M18-39

1464

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1768

Males

1663

M18-39

1663

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1865

Males

1748

M18-39

1748

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1256

Males

1189

M18-39

1189

Passing Analysis

Category:
Athletes Passed
218
Passed By
340
Net Change
-122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#752
5K → 10K6618+48#752#704
10K → 15K1241-29#704#733
15K → 20K1149-38#733#771
20K → Half118-17#771#788
Half → 25K1954-35#788#823
25K → 30K2242-20#823#843
30K → 20M1316-3#843#846
20M → 21M15150#846#846
21M → 35K411-7#846#853
35K → 23M1227-15#853#868
23M → 24M817-9#868#877
24M → 40K812-4#877#881
40K → 25.2M510-5#881#886
25.2M → Finish2210+12#886#874
TOTALS218340-122
📊

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