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BOSTON MARATHON 2025

Chad Norton

Bib: 7804•M

GA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #6145
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
42:06
Rank: #6054 (+91)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:03:15
Rank: #6049 (+5)
10K → 15K
21:09 | 6:48/mi
20K· 12.43 mi
1:24:37
Rank: #6013 (+36)
15K → 20K
21:22 | 6:53/mi
Half· 13.11 mi
1:29:16
Rank: #6026 (-13)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:00
Rank: #5918 (+108)
Half → 25K
16:44 | 6:54/mi
30K· 18.64 mi
2:08:02
Rank: #5725 (+193)
25K → 30K
22:02 | 7:06/mi
20M
2:17:51
Rank: #5686 (+39)
30K → 20M
9:49 | 7:13/mi
21M
2:25:28
Rank: #5618 (+68)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:30:37
Rank: #5571 (+47)
21M → 35K
5:09 | 6:53/mi
23M
2:39:37
Rank: #5438 (+133)
35K → 23M
9:00 | 7:11/mi
24M
2:46:39
Rank: #5369 (+69)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:52:35
Rank: #5251 (+118)
24M → 40K
5:56 | 6:56/mi
25.2M
2:55:11
Rank: #5212 (+39)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:01:57
Rank: #5100 (+112)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:16
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:32:41
Pace7:04 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:3221:046:4721:04
6:47
-
10K
6.21 mi10:49:3442:066:4721:02
6:46
-0:01
15K
9.32 mi11:10:431:03:156:4721:09
6:48
+0:02
20K
12.43 mi11:32:051:24:376:4921:22
6:53
+0:05
Half
13.11 mi11:36:441:29:166:494:39
6:49
-0:04
25K
15.53 mi11:53:281:46:006:4916:44
6:54
+0:05
30K
18.64 mi12:15:302:08:026:5222:02
7:06
+0:12
20M
20.00 mi12:25:192:17:516:549:49
7:13
+0:07
21M
21.00 mi12:32:562:25:286:567:37
7:37
+0:24
35K
21.75 mi12:38:052:30:376:565:09
6:53
-0:44
23M
23.00 mi12:47:052:39:376:569:00
7:11
+0:18
24M
24.00 mi12:54:072:46:396:577:02
7:02
-0:09
40K
24.85 mi13:00:032:52:356:575:56
6:56
-0:06
25.2M
25.20 mi13:02:392:55:116:572:36
7:32
+0:36
Finish
26.22 mi13:09:253:01:576:576:46
6:38
-0:54

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

6:38 /mi

Average Pace

6:57 /mi

Slowest Pace

7:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:44

94% of race

Time at Steady Pace

10:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:28:3221:046:4721:04
6:47
#6145
10K
6.21 mi10:49:3442:066:4721:02
6:46
#6054
15K
9.32 mi11:10:431:03:156:4721:09
6:48
#6049
20K
12.43 mi11:32:051:24:376:4921:22
6:53
#6013
Half
13.11 mi11:36:441:29:166:494:39
6:49
#6026
25K
15.53 mi11:53:281:46:006:4916:44
6:54
#5918
30K
18.64 mi12:15:302:08:026:5222:02
7:06
#5725
20M
20.00 mi12:25:192:17:516:549:49
7:13
#5686
21M
21.00 mi12:32:562:25:286:567:37
7:37
#5618
35K
21.75 mi12:38:052:30:376:565:09
6:53
#5571
23M
23.00 mi12:47:052:39:376:569:00
7:11
#5438
24M
24.00 mi12:54:072:46:396:577:02
7:02
#5369
40K
24.85 mi13:00:032:52:356:575:56
6:56
#5251
25.2M
25.20 mi13:02:392:55:116:572:36
7:32
#5212
Finish
26.22 mi13:09:253:01:576:576:46
6:38
#5100
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6145563556356136(Top 22%)5566(Top 35%)5566(Top 99%)
10K6.21 mi3.10 mi6054+915553+825553+826035(Top 21%)5512(Top 34%)5512(Top 98%)
15K9.32 mi3.11 mi6049+55538+155538+156136(Top 22%)5566(Top 35%)5566(Top 99%)
20K12.43 mi3.11 mi6013+365493+455493+456007(Top 21%)5440(Top 34%)5440(Top 96%)
Half13.11 mi0.68 mi6026-135501-85501-86205(Top 22%)5590(Top 35%)5590(Top 99%)
25K15.53 mi2.42 mi5918+1085390+1115390+1115670(Top 20%)5132(Top 32%)5132(Top 91%)
30K18.64 mi3.11 mi5725+1935216+1745216+1745265(Top 19%)4750(Top 29%)4750(Top 84%)
20M20.00 mi1.36 mi5686+395180+365180+365306(Top 19%)4703(Top 29%)4703(Top 83%)
21M21.00 mi1.00 mi5618+685117+635117+635192(Top 18%)4513(Top 28%)4513(Top 80%)
35K21.75 mi0.75 mi5571+475068+495068+494596(Top 16%)4074(Top 25%)4074(Top 72%)
23M23.00 mi1.25 mi5438+1334948+1204948+1204785(Top 17%)4161(Top 26%)4161(Top 74%)
24M24.00 mi1.00 mi5369+694883+654883+654806(Top 17%)4120(Top 26%)4120(Top 73%)
40K24.85 mi0.85 mi5251+1184770+1134770+1133561(Top 13%)3157(Top 20%)3157(Top 56%)
25.2M25.20 mi0.35 mi5212+394735+354735+353563(Top 13%)3107(Top 19%)3107(Top 55%)
Finish26.22 mi1.02 mi5100+1124632+1034632+1033554(Top 13%)3101(Top 19%)3101(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6136

Males

5566

M18-39

5566

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6035

Males

5512

M18-39

5512

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6136

Males

5566

M18-39

5566

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

6007

Males

5440

M18-39

5440

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6205

Males

5590

M18-39

5590

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5670

Males

5132

M18-39

5132

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5265

Males

4750

M18-39

4750

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5306

Males

4703

M18-39

4703

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5192

Males

4513

M18-39

4513

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4596

Males

4074

M18-39

4074

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4785

Males

4161

M18-39

4161

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4806

Males

4120

M18-39

4120

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3561

Males

3157

M18-39

3157

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3563

Males

3107

M18-39

3107

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3554

Males

3101

M18-39

3101

Passing Analysis

Category:
Athletes Passed
1759
Passed By
714
Net Change
+1045
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6145
5K → 10K220129+91#6145#6054
10K → 15K140135+5#6054#6049
15K → 20K162126+36#6049#6013
20K → Half1629-13#6013#6026
Half → 25K17971+108#6026#5918
25K → 30K27380+193#5918#5725
30K → 20M9253+39#5725#5686
20M → 21M10032+68#5686#5618
21M → 35K5811+47#5618#5571
35K → 23M15926+133#5571#5438
23M → 24M8213+69#5438#5369
24M → 40K1202+118#5369#5251
40K → 25.2M423+39#5251#5212
25.2M → Finish1164+112#5212#5100
TOTALS1759714+1045
📊

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