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BOSTON MARATHON 2023

Mark Daniels

Bib: 25473•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
32:03
Rank: #24252
Start → 5K
10:19/mi
32:03 split
10K· 6.21 mi
1:02:31
Rank: #23756 (+496)
5K → 10K
9:48/mi
30:28 split
15K· 9.32 mi
1:32:30
Rank: #23432 (+324)
10K → 15K
9:39/mi
29:59 split
20K· 12.43 mi
2:03:45
Rank: #23334 (+98)
15K → 20K
10:04/mi
31:15 split
Half· 13.11 mi
2:10:36
Rank: #23331 (+3)
20K → Half
10:02/mi
6:51 split
25K· 15.53 mi
2:35:37
Rank: #23239 (+92)
Half → 25K
10:19/mi
25:01 split
30K· 18.64 mi
3:10:06
Rank: #23241 (-2)
25K → 30K
11:06/mi
34:29 split
20M
3:25:36
Rank: #23248 (-7)
30K → 20M
11:24/mi
15:30 split
21M
3:38:32
Rank: #23316 (-68)
20M → 21M
12:56/mi
12:56 split
35K· 21.75 mi
3:47:00
Rank: #23322 (-6)
21M → 35K
11:19/mi
8:28 split
23M
4:01:26
Rank: #23339 (-17)
35K → 23M
11:32/mi
14:26 split
24M
4:13:30
Rank: #23426 (-87)
23M → 24M
12:04/mi
12:04 split
40K· 24.85 mi
4:24:06
Rank: #23476 (-50)
24M → 40K
12:24/mi
10:36 split
25.2M
4:28:36
Rank: #23486 (-10)
40K → 25.2M
13:03/mi
4:30 split
Finish· 26.22 mi
4:39:19
Rank: #23479 (+7)
25.2M → Finish
10:31/mi
10:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:36
Pace9:58 /mi
2nd Half
Distance13.11 mi
Time2:28:43
Pace11:21 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2732:0310:1932:03
10:19
-
10K
6.21 mi12:20:551:02:3110:0430:28
9:48
-0:31
15K
9.32 mi12:50:541:32:309:5529:59
9:39
-0:09
20K
12.43 mi13:22:092:03:459:5731:15
10:04
+0:25
Half
13.11 mi13:29:002:10:369:586:51
10:02
-0:02
25K
15.53 mi13:54:012:35:3710:0125:01
10:19
+0:17
30K
18.64 mi14:28:303:10:0610:1234:29
11:06
+0:47
20M
20.00 mi14:44:003:25:3610:1715:30
11:24
+0:18
21M
21.00 mi14:56:563:38:3210:2412:56
12:56
+1:32
35K
21.75 mi15:05:243:47:0010:268:28
11:19
-1:37
23M
23.00 mi15:19:504:01:2610:3014:26
11:32
+0:13
24M
24.00 mi15:31:544:13:3010:3412:04
12:04
+0:32
40K
24.85 mi15:42:304:24:0610:3810:36
12:24
+0:20
25.2M
25.20 mi15:47:004:28:3610:404:30
13:03
+0:39
Finish
26.22 mi15:57:434:39:1910:4010:43
10:31
-2:32

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

9:39 /mi

Average Pace

10:40 /mi

Slowest Pace

13:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:20

60% of race

Time at Steady Pace

1:12:53

26% of race

Time at Slower Pace

40:06

14% of race

Average Pace: 10:39 /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 mi11:50:2732:0310:1932:03
10:19
#24252
10K
6.21 mi12:20:551:02:3110:0430:28
9:48
#23756
15K
9.32 mi12:50:541:32:309:5529:59
9:39
#23432
20K
12.43 mi13:22:092:03:459:5731:15
10:04
#23334
Half
13.11 mi13:29:002:10:369:586:51
10:02
#23331
25K
15.53 mi13:54:012:35:3710:0125:01
10:19
#23239
30K
18.64 mi14:28:303:10:0610:1234:29
11:06
#23241
20M
20.00 mi14:44:003:25:3610:1715:30
11:24
#23248
21M
21.00 mi14:56:563:38:3210:2412:56
12:56
#23316
35K
21.75 mi15:05:243:47:0010:268:28
11:19
#23322
23M
23.00 mi15:19:504:01:2610:3014:26
11:32
#23339
24M
24.00 mi15:31:544:13:3010:3412:04
12:04
#23426
40K
24.85 mi15:42:304:24:0610:3810:36
12:24
#23476
25.2M
25.20 mi15:47:004:28:3610:404:30
13:03
#23486
Finish
26.22 mi15:57:434:39:1910:4010:43
10:31
#23479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24252142171421722669(Top 85%)13479(Top 89%)13479(Top 255%)
10K6.21 mi3.10 mi23756+49613974+24313974+24323277(Top 87%)13761(Top 91%)13761(Top 260%)
15K9.32 mi3.11 mi23432+32413838+13613838+13622669(Top 85%)13479(Top 89%)13479(Top 255%)
20K12.43 mi3.11 mi23334+9813788+5013788+5023038(Top 87%)13651(Top 90%)13651(Top 258%)
Half13.11 mi0.68 mi23331+3137881378823343(Top 88%)13780(Top 91%)13780(Top 261%)
25K15.53 mi2.42 mi23239+9213742+4613742+4622879(Top 86%)13540(Top 89%)13540(Top 256%)
30K18.64 mi3.11 mi23241-213715+2713715+2723231(Top 87%)13623(Top 90%)13623(Top 258%)
20M20.00 mi1.36 mi23248-713702+1313702+1323364(Top 88%)13626(Top 90%)13626(Top 258%)
21M21.00 mi1.00 mi23316-6813730-2813730-2824004(Top 90%)13893(Top 92%)13893(Top 263%)
35K21.75 mi0.75 mi23322-613722+813722+823820(Top 89%)13751(Top 91%)13751(Top 260%)
23M23.00 mi1.25 mi23339-1713721+113721+123287(Top 87%)13522(Top 89%)13522(Top 256%)
24M24.00 mi1.00 mi23426-8713752-3113752-3124607(Top 92%)14097(Top 93%)14097(Top 267%)
40K24.85 mi0.85 mi23476-5013771-1913771-1924330(Top 91%)13955(Top 92%)13955(Top 264%)
25.2M25.20 mi0.35 mi23486-1013770+113770+124014(Top 90%)13800(Top 91%)13800(Top 261%)
Finish26.22 mi1.02 mi23479+713759+1113759+1123022(Top 86%)13345(Top 88%)13345(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22669

Males

13479

M18-39

13479

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23277

Males

13761

M18-39

13761

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22669

Males

13479

M18-39

13479

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23038

Males

13651

M18-39

13651

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23343

Males

13780

M18-39

13780

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22879

Males

13540

M18-39

13540

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23231

Males

13623

M18-39

13623

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23364

Males

13626

M18-39

13626

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

24004

Males

13893

M18-39

13893

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23820

Males

13751

M18-39

13751

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23287

Males

13522

M18-39

13522

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24607

Males

14097

M18-39

14097

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24330

Males

13955

M18-39

13955

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24014

Males

13800

M18-39

13800

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

23022

Males

13345

M18-39

13345

Passing Analysis

Category:
Athletes Passed
1568
Passed By
795
Net Change
+773
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24252
5K → 10K54650+496#24252#23756
10K → 15K33915+324#23756#23432
15K → 20K16870+98#23432#23334
20K → Half2219+3#23334#23331
Half → 25K14755+92#23331#23239
25K → 30K119121-2#23239#23241
30K → 20M5562-7#23241#23248
20M → 21M1886-68#23248#23316
21M → 35K2834-6#23316#23322
35K → 23M4360-17#23322#23339
23M → 24M1097-87#23339#23426
24M → 40K1969-50#23426#23476
40K → 25.2M1424-10#23476#23486
25.2M → Finish4033+7#23486#23479
TOTALS1568795+773
📊

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