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BOSTON MARATHON 2023

John Norton

Bib: 4980•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 39%
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
21:26
Rank: #5552
Start → 5K
21:26 | 6:54/mi
10K· 6.21 mi
43:06
Rank: #6096 (-544)
5K → 10K
21:40 | 6:58/mi
15K· 9.32 mi
1:04:45
Rank: #6176 (-80)
10K → 15K
21:39 | 6:58/mi
20K· 12.43 mi
1:26:38
Rank: #6165 (+11)
15K → 20K
21:53 | 7:03/mi
Half· 13.11 mi
1:31:20
Rank: #6153 (+12)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:48:24
Rank: #6075 (+78)
Half → 25K
17:04 | 7:02/mi
30K· 18.64 mi
2:10:59
Rank: #5983 (+92)
25K → 30K
22:35 | 7:16/mi
20M
2:21:16
Rank: #6019 (-36)
30K → 20M
10:17 | 7:34/mi
21M
2:29:27
Rank: #6104 (-85)
20M → 21M
8:11 | 8:11/mi
35K· 21.75 mi
2:34:51
Rank: #6080 (+24)
21M → 35K
5:24 | 7:13/mi
23M
2:45:08
Rank: #6282 (-202)
35K → 23M
10:17 | 8:13/mi
24M
2:53:23
Rank: #6490 (-208)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:00:32
Rank: #6608 (-118)
24M → 40K
7:09 | 8:22/mi
25.2M
3:03:46
Rank: #6711 (-103)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:11:54
Rank: #6871 (-160)
25.2M → Finish
8:08 | 7:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:20
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:40:34
Pace7:40 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2121:266:5421:26
6:54
-
10K
6.21 mi10:45:0143:066:5621:40
6:58
+0:04
15K
9.32 mi11:06:401:04:456:5721:39
6:58
0:00
20K
12.43 mi11:28:331:26:386:5821:53
7:03
+0:05
Half
13.11 mi11:33:151:31:206:584:42
6:53
-0:10
25K
15.53 mi11:50:191:48:246:5917:04
7:02
+0:09
30K
18.64 mi12:12:542:10:597:0222:35
7:16
+0:14
20M
20.00 mi12:23:112:21:167:0410:17
7:34
+0:18
21M
21.00 mi12:31:222:29:277:078:11
8:11
+0:37
35K
21.75 mi12:36:462:34:517:075:24
7:13
-0:58
23M
23.00 mi12:47:032:45:087:1110:17
8:13
+1:00
24M
24.00 mi12:55:182:53:237:138:15
8:15
+0:02
40K
24.85 mi13:02:273:00:327:167:09
8:22
+0:07
25.2M
25.20 mi13:05:413:03:467:183:14
9:23
+1:01
Finish
26.22 mi13:13:493:11:547:198:08
7:59
-1:24

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

6:53 /mi

Average Pace

7:19 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:08

14% of race

Time at Steady Pace

2:00:32

63% of race

Time at Slower Pace

45:14

24% of race

Average Pace: 7:19 /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 mi10:23:2121:266:5421:26
6:54
#5552
10K
6.21 mi10:45:0143:066:5621:40
6:58
#6096
15K
9.32 mi11:06:401:04:456:5721:39
6:58
#6176
20K
12.43 mi11:28:331:26:386:5821:53
7:03
#6165
Half
13.11 mi11:33:151:31:206:584:42
6:53
#6153
25K
15.53 mi11:50:191:48:246:5917:04
7:02
#6075
30K
18.64 mi12:12:542:10:597:0222:35
7:16
#5983
20M
20.00 mi12:23:112:21:167:0410:17
7:34
#6019
21M
21.00 mi12:31:222:29:277:078:11
8:11
#6104
35K
21.75 mi12:36:462:34:517:075:24
7:13
#6080
23M
23.00 mi12:47:032:45:087:1110:17
8:13
#6282
24M
24.00 mi12:55:182:53:237:138:15
8:15
#6490
40K
24.85 mi13:02:273:00:327:167:09
8:22
#6608
25.2M
25.20 mi13:05:413:03:467:183:14
9:23
#6711
Finish
26.22 mi13:13:493:11:547:198:08
7:59
#6871
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5552511651166366(Top 24%)5749(Top 38%)5749(Top 109%)
10K6.21 mi3.10 mi6096-5445558-4425558-4426646(Top 25%)5968(Top 39%)5968(Top 113%)
15K9.32 mi3.11 mi6176-805615-575615-576366(Top 24%)5749(Top 38%)5749(Top 109%)
20K12.43 mi3.11 mi6165+115602+135602+136241(Top 23%)5652(Top 37%)5652(Top 107%)
Half13.11 mi0.68 mi6153+125597+55597+55941(Top 22%)5450(Top 36%)5450(Top 103%)
25K15.53 mi2.42 mi6075+785538+595538+595796(Top 22%)5298(Top 35%)5298(Top 100%)
30K18.64 mi3.11 mi5983+925456+825456+825873(Top 22%)5282(Top 35%)5282(Top 100%)
20M20.00 mi1.36 mi6019-365464-85464-87266(Top 27%)6131(Top 40%)6131(Top 116%)
21M21.00 mi1.00 mi6104-855518-545518-548485(Top 32%)6752(Top 44%)6752(Top 128%)
35K21.75 mi0.75 mi6080+245493+255493+256616(Top 25%)5653(Top 37%)5653(Top 107%)
23M23.00 mi1.25 mi6282-2025636-1435636-14311229(Top 42%)8078(Top 53%)8078(Top 153%)
24M24.00 mi1.00 mi6490-2085776-1405776-14012894(Top 48%)8786(Top 58%)8786(Top 166%)
40K24.85 mi0.85 mi6608-1185840-645840-6412412(Top 47%)8493(Top 56%)8493(Top 161%)
25.2M25.20 mi0.35 mi6711-1035903-635903-6314472(Top 54%)9428(Top 62%)9428(Top 178%)
Finish26.22 mi1.02 mi6871-1605991-885991-8811942(Top 45%)8240(Top 54%)8240(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6366

Males

5749

M18-39

5749

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6646

Males

5968

M18-39

5968

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6366

Males

5749

M18-39

5749

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6241

Males

5652

M18-39

5652

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5941

Males

5450

M18-39

5450

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5796

Males

5298

M18-39

5298

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5873

Males

5282

M18-39

5282

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7266

Males

6131

M18-39

6131

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8485

Males

6752

M18-39

6752

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6616

Males

5653

M18-39

5653

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11229

Males

8078

M18-39

8078

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12894

Males

8786

M18-39

8786

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12412

Males

8493

M18-39

8493

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14472

Males

9428

M18-39

9428

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11942

Males

8240

M18-39

8240

Passing Analysis

Category:
Athletes Passed
758
Passed By
2077
Net Change
-1319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5552
5K → 10K41585-544#5552#6096
10K → 15K94174-80#6096#6176
15K → 20K9887+11#6176#6165
20K → Half2614+12#6165#6153
Half → 25K12143+78#6153#6075
25K → 30K16876+92#6075#5983
30K → 20M4884-36#5983#6019
20M → 21M25110-85#6019#6104
21M → 35K4420+24#6104#6080
35K → 23M25227-202#6080#6282
23M → 24M19227-208#6282#6490
24M → 40K24142-118#6490#6608
40K → 25.2M6109-103#6608#6711
25.2M → Finish19179-160#6711#6871
TOTALS7582077-1319
📊

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