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BOSTON MARATHON 2023

Daniel Newfield

Bib: 3875•M

BC

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0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Division (M18-39)
#0 / 5285
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:19
Rank: #2485
Start → 5K
20:19 | 6:32/mi
10K· 6.21 mi
39:59
Rank: #2158 (+327)
5K → 10K
19:40 | 6:20/mi
15K· 9.32 mi
59:48
Rank: #2078 (+80)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:19:54
Rank: #2078
15K → 20K
20:06 | 6:28/mi
Half· 13.11 mi
1:24:14
Rank: #2074 (+4)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:40:01
Rank: #2084 (-10)
Half → 25K
15:47 | 6:31/mi
30K· 18.64 mi
2:00:29
Rank: #2040 (+44)
25K → 30K
20:28 | 6:35/mi
20M
2:09:31
Rank: #2020 (+20)
30K → 20M
9:02 | 6:39/mi
21M
2:16:32
Rank: #2019 (+1)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:21:16
Rank: #1996 (+23)
21M → 35K
4:44 | 6:20/mi
23M
2:29:37
Rank: #1960 (+36)
35K → 23M
8:21 | 6:40/mi
24M
2:36:18
Rank: #1989 (-29)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:42:13
Rank: #2008 (-19)
24M → 40K
5:55 | 6:55/mi
25.2M
2:44:50
Rank: #2022 (-14)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:51:37
Rank: #2043 (-21)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:14
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3620:196:3220:19
6:32
-
10K
6.21 mi10:41:1639:596:2619:40
6:20
-0:12
15K
9.32 mi11:01:0559:486:2519:49
6:23
+0:03
20K
12.43 mi11:21:111:19:546:2620:06
6:28
+0:05
Half
13.11 mi11:25:311:24:146:264:20
6:21
-0:07
25K
15.53 mi11:41:181:40:016:2615:47
6:31
+0:10
30K
18.64 mi12:01:462:00:296:2820:28
6:35
+0:04
20M
20.00 mi12:10:482:09:316:299:02
6:39
+0:04
21M
21.00 mi12:17:492:16:326:307:01
7:01
+0:22
35K
21.75 mi12:22:332:21:166:304:44
6:20
-0:41
23M
23.00 mi12:30:542:29:376:308:21
6:40
+0:20
24M
24.00 mi12:37:352:36:186:316:41
6:41
+0:01
40K
24.85 mi12:43:302:42:136:325:55
6:55
+0:14
25.2M
25.20 mi12:46:072:44:506:322:37
7:35
+0:40
Finish
26.22 mi12:52:542:51:376:336:47
6:39
-0:56

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

6:20 /mi

Average Pace

6:33 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:59

94% of race

Time at Steady Pace

7:01

4% of race

Time at Slower Pace

2:37

2% of race

Average Pace: 6:33 /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 mi10:21:3620:196:3220:19
6:32
#2485
10K
6.21 mi10:41:1639:596:2619:40
6:20
#2158
15K
9.32 mi11:01:0559:486:2519:49
6:23
#2078
20K
12.43 mi11:21:111:19:546:2620:06
6:28
#2078
Half
13.11 mi11:25:311:24:146:264:20
6:21
#2074
25K
15.53 mi11:41:181:40:016:2615:47
6:31
#2084
30K
18.64 mi12:01:462:00:296:2820:28
6:35
#2040
20M
20.00 mi12:10:482:09:316:299:02
6:39
#2020
21M
21.00 mi12:17:492:16:326:307:01
7:01
#2019
35K
21.75 mi12:22:332:21:166:304:44
6:20
#1996
23M
23.00 mi12:30:542:29:376:308:21
6:40
#1960
24M
24.00 mi12:37:352:36:186:316:41
6:41
#1989
40K
24.85 mi12:43:302:42:136:325:55
6:55
#2008
25.2M
25.20 mi12:46:072:44:506:322:37
7:35
#2022
Finish
26.22 mi12:52:542:51:376:336:47
6:39
#2043
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2485237123711991(Top 7%)1906(Top 13%)1906(Top 36%)
10K6.21 mi3.10 mi2158+3272067+3042067+3041895(Top 7%)1814(Top 12%)1814(Top 34%)
15K9.32 mi3.11 mi2078+801992+751992+751991(Top 7%)1906(Top 13%)1906(Top 36%)
20K12.43 mi3.11 mi20781990+21990+22124(Top 8%)2038(Top 13%)2038(Top 39%)
Half13.11 mi0.68 mi2074+41986+41986+42001(Top 8%)1924(Top 13%)1924(Top 36%)
25K15.53 mi2.42 mi2084-101999-131999-132206(Top 8%)2116(Top 14%)2116(Top 40%)
30K18.64 mi3.11 mi2040+441957+421957+421910(Top 7%)1828(Top 12%)1828(Top 35%)
20M20.00 mi1.36 mi2020+201936+211936+212056(Top 8%)1960(Top 13%)1960(Top 37%)
21M21.00 mi1.00 mi2019+11934+21934+22199(Top 8%)2077(Top 14%)2077(Top 39%)
35K21.75 mi0.75 mi1996+231912+221912+221682(Top 6%)1600(Top 11%)1600(Top 30%)
23M23.00 mi1.25 mi1960+361879+331879+332042(Top 8%)1932(Top 13%)1932(Top 37%)
24M24.00 mi1.00 mi1989-291906-271906-272985(Top 11%)2769(Top 18%)2769(Top 52%)
40K24.85 mi0.85 mi2008-191924-181924-183391(Top 13%)3092(Top 20%)3092(Top 59%)
25.2M25.20 mi0.35 mi2022-141938-141938-144226(Top 16%)3696(Top 24%)3696(Top 70%)
Finish26.22 mi1.02 mi2043-211959-211959-213249(Top 12%)2921(Top 19%)2921(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1991

Males

1906

M18-39

1906

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1895

Males

1814

M18-39

1814

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1991

Males

1906

M18-39

1906

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2124

Males

2038

M18-39

2038

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2001

Males

1924

M18-39

1924

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2206

Males

2116

M18-39

2116

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1910

Males

1828

M18-39

1828

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2056

Males

1960

M18-39

1960

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2199

Males

2077

M18-39

2077

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1682

Males

1600

M18-39

1600

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2042

Males

1932

M18-39

1932

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2985

Males

2769

M18-39

2769

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3391

Males

3092

M18-39

3092

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4226

Males

3696

M18-39

3696

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3249

Males

2921

M18-39

2921

Passing Analysis

Category:
Athletes Passed
892
Passed By
450
Net Change
+442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2485
5K → 10K34720+327#2485#2158
10K → 15K10727+80#2158#2078
15K → 20K62620#2078#2078
20K → Half128+4#2078#2074
Half → 25K3848-10#2074#2084
25K → 30K9349+44#2084#2040
30K → 20M4424+20#2040#2020
20M → 21M3029+1#2020#2019
21M → 35K307+23#2019#1996
35K → 23M5519+36#1996#1960
23M → 24M1746-29#1960#1989
24M → 40K2039-19#1989#2008
40K → 25.2M620-14#2008#2022
25.2M → Finish3152-21#2022#2043
TOTALS892450+442
📊

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