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BOSTON MARATHON 2023

Daniel Blackey

Bib: 2592•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Division (M18-39)
#0 / 5285
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:51
Rank: #1777
Start → 5K
19:51 | 6:23/mi
10K· 6.21 mi
39:43
Rank: #1946 (-169)
5K → 10K
19:52 | 6:24/mi
15K· 9.32 mi
59:50
Rank: #2097 (-151)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:19:56
Rank: #2096 (+1)
15K → 20K
20:06 | 6:28/mi
Half· 13.11 mi
1:24:21
Rank: #2124 (-28)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:40:10
Rank: #2129 (-5)
Half → 25K
15:49 | 6:31/mi
30K· 18.64 mi
2:00:42
Rank: #2091 (+38)
25K → 30K
20:32 | 6:37/mi
20M
2:09:35
Rank: #2036 (+55)
30K → 20M
8:53 | 6:32/mi
21M
2:16:23
Rank: #1973 (+63)
20M → 21M
6:48 | 6:48/mi
35K· 21.75 mi
2:21:09
Rank: #1965 (+8)
21M → 35K
4:46 | 6:22/mi
23M
2:29:26
Rank: #1926 (+39)
35K → 23M
8:17 | 6:37/mi
24M
2:35:52
Rank: #1901 (+25)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:41:28
Rank: #1878 (+23)
24M → 40K
5:36 | 6:33/mi
25.2M
2:43:55
Rank: #1871 (+7)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:50:27
Rank: #1851 (+20)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:21
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:26:06
Pace6:34 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4119:516:2319:51
6:23
-
10K
6.21 mi10:40:3339:436:2419:52
6:24
+0:01
15K
9.32 mi11:00:4059:506:2520:07
6:28
+0:04
20K
12.43 mi11:20:461:19:566:2620:06
6:28
0:00
Half
13.11 mi11:25:111:24:216:264:25
6:28
0:00
25K
15.53 mi11:41:001:40:106:2715:49
6:31
+0:03
30K
18.64 mi12:01:322:00:426:2820:32
6:37
+0:06
20M
20.00 mi12:10:252:09:356:298:53
6:32
-0:05
21M
21.00 mi12:17:132:16:236:306:48
6:48
+0:16
35K
21.75 mi12:21:592:21:096:294:46
6:22
-0:26
23M
23.00 mi12:30:162:29:266:308:17
6:37
+0:15
24M
24.00 mi12:36:422:35:526:306:26
6:26
-0:11
40K
24.85 mi12:42:182:41:286:305:36
6:33
+0:07
25.2M
25.20 mi12:44:452:43:556:302:27
7:06
+0:33
Finish
26.22 mi12:51:172:50:276:306:32
6:25
-0:41

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

6:22 /mi

Average Pace

6:30 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:00

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:20:4119:516:2319:51
6:23
#1777
10K
6.21 mi10:40:3339:436:2419:52
6:24
#1946
15K
9.32 mi11:00:4059:506:2520:07
6:28
#2097
20K
12.43 mi11:20:461:19:566:2620:06
6:28
#2096
Half
13.11 mi11:25:111:24:216:264:25
6:28
#2124
25K
15.53 mi11:41:001:40:106:2715:49
6:31
#2129
30K
18.64 mi12:01:322:00:426:2820:32
6:37
#2091
20M
20.00 mi12:10:252:09:356:298:53
6:32
#2036
21M
21.00 mi12:17:132:16:236:306:48
6:48
#1973
35K
21.75 mi12:21:592:21:096:294:46
6:22
#1965
23M
23.00 mi12:30:162:29:266:308:17
6:37
#1926
24M
24.00 mi12:36:422:35:526:306:26
6:26
#1901
40K
24.85 mi12:42:182:41:286:305:36
6:33
#1878
25.2M
25.20 mi12:44:452:43:556:302:27
7:06
#1871
Finish
26.22 mi12:51:172:50:276:306:32
6:25
#1851
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1777169416942478(Top 9%)2377(Top 16%)2377(Top 45%)
10K6.21 mi3.10 mi1946-1691863-1691863-1692213(Top 8%)2119(Top 14%)2119(Top 40%)
15K9.32 mi3.11 mi2097-1512010-1472010-1472478(Top 9%)2377(Top 16%)2377(Top 45%)
20K12.43 mi3.11 mi2096+12007+32007+32120(Top 8%)2034(Top 13%)2034(Top 38%)
Half13.11 mi0.68 mi2124-282034-272034-272560(Top 10%)2454(Top 16%)2454(Top 46%)
25K15.53 mi2.42 mi2129-52043-92043-92270(Top 9%)2176(Top 14%)2176(Top 41%)
30K18.64 mi3.11 mi2091+382006+372006+371990(Top 7%)1903(Top 13%)1903(Top 36%)
20M20.00 mi1.36 mi2036+551951+551951+551600(Top 6%)1528(Top 10%)1528(Top 29%)
21M21.00 mi1.00 mi1973+631889+621889+621409(Top 5%)1343(Top 9%)1343(Top 25%)
35K21.75 mi0.75 mi1965+81882+71882+71846(Top 7%)1752(Top 12%)1752(Top 33%)
23M23.00 mi1.25 mi1926+391845+371845+371824(Top 7%)1728(Top 11%)1728(Top 33%)
24M24.00 mi1.00 mi1901+251820+251820+251807(Top 7%)1703(Top 11%)1703(Top 32%)
40K24.85 mi0.85 mi1878+231797+231797+231725(Top 6%)1623(Top 11%)1623(Top 31%)
25.2M25.20 mi0.35 mi1871+71789+81789+82094(Top 8%)1950(Top 13%)1950(Top 37%)
Finish26.22 mi1.02 mi1851+201769+201769+202052(Top 8%)1907(Top 13%)1907(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2478

Males

2377

M18-39

2377

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2213

Males

2119

M18-39

2119

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2478

Males

2377

M18-39

2377

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2120

Males

2034

M18-39

2034

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2560

Males

2454

M18-39

2454

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2270

Males

2176

M18-39

2176

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1990

Males

1903

M18-39

1903

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1600

Males

1528

M18-39

1528

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1409

Males

1343

M18-39

1343

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1846

Males

1752

M18-39

1752

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1824

Males

1728

M18-39

1728

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1807

Males

1703

M18-39

1703

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1725

Males

1623

M18-39

1623

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2094

Males

1950

M18-39

1950

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2052

Males

1907

M18-39

1907

Passing Analysis

Category:
Athletes Passed
606
Passed By
680
Net Change
-74
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1777
5K → 10K39208-169#1777#1946
10K → 15K30181-151#1946#2097
15K → 20K6463+1#2097#2096
20K → Half937-28#2096#2124
Half → 25K3742-5#2124#2129
25K → 30K8345+38#2129#2091
30K → 20M6611+55#2091#2036
20M → 21M663+63#2036#1973
21M → 35K2618+8#1973#1965
35K → 23M5617+39#1965#1926
23M → 24M4015+25#1926#1901
24M → 40K3916+23#1901#1878
40K → 25.2M147+7#1878#1871
25.2M → Finish3717+20#1871#1851
TOTALS606680-74
📊

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