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BOSTON MARATHON 2023

Alexander Norton

Bib: 1781•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:29
Rank: #1337
Start → 5K
6:16/mi
19:29 split
10K· 6.21 mi
38:42
Rank: #1290 (+47)
5K → 10K
6:11/mi
19:13 split
15K· 9.32 mi
58:11
Rank: #1336 (-46)
10K → 15K
6:16/mi
19:29 split
20K· 12.43 mi
1:17:41
Rank: #1319 (+17)
15K → 20K
6:17/mi
19:30 split
Half· 13.11 mi
1:21:55
Rank: #1318 (+1)
20K → Half
6:12/mi
4:14 split
25K· 15.53 mi
1:37:06
Rank: #1291 (+27)
Half → 25K
6:16/mi
15:11 split
30K· 18.64 mi
1:56:45
Rank: #1208 (+83)
25K → 30K
6:19/mi
19:39 split
20M
2:05:25
Rank: #1185 (+23)
30K → 20M
6:23/mi
8:40 split
21M
2:12:10
Rank: #1162 (+23)
20M → 21M
6:45/mi
6:45 split
35K· 21.75 mi
2:16:45
Rank: #1143 (+19)
21M → 35K
6:08/mi
4:35 split
23M
2:24:45
Rank: #1124 (+19)
35K → 23M
6:23/mi
8:00 split
24M
2:31:03
Rank: #1125 (-1)
23M → 24M
6:18/mi
6:18 split
40K· 24.85 mi
2:36:35
Rank: #1128 (-3)
24M → 40K
6:28/mi
5:32 split
25.2M
2:38:59
Rank: #1121 (+7)
40K → 25.2M
6:58/mi
2:24 split
Finish· 26.22 mi
2:45:29
Rank: #1133 (-12)
25.2M → Finish
6:23/mi
6:30 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:55
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:23:34
Pace6:22 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5919:296:1619:29
6:16
-
10K
6.21 mi10:39:1238:426:1419:13
6:11
-0:05
15K
9.32 mi10:58:4158:116:1519:29
6:16
+0:05
20K
12.43 mi11:18:111:17:416:1519:30
6:17
+0:01
Half
13.11 mi11:22:251:21:556:154:14
6:12
-0:05
25K
15.53 mi11:37:361:37:066:1515:11
6:16
+0:04
30K
18.64 mi11:57:151:56:456:1619:39
6:19
+0:03
20M
20.00 mi12:05:552:05:256:168:40
6:23
+0:04
21M
21.00 mi12:12:402:12:106:186:45
6:45
+0:22
35K
21.75 mi12:17:152:16:456:174:35
6:08
-0:37
23M
23.00 mi12:25:152:24:456:188:00
6:23
+0:15
24M
24.00 mi12:31:332:31:036:186:18
6:18
-0:05
40K
24.85 mi12:37:052:36:356:185:32
6:28
+0:10
25.2M
25.20 mi12:39:292:38:596:192:24
6:58
+0:30
Finish
26.22 mi12:45:592:45:296:196:30
6:23
-0:35

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

6:08 /mi

Average Pace

6:19 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:20

94% of race

Time at Steady Pace

9:09

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:19:5919:296:1619:29
6:16
#1337
10K
6.21 mi10:39:1238:426:1419:13
6:11
#1290
15K
9.32 mi10:58:4158:116:1519:29
6:16
#1336
20K
12.43 mi11:18:111:17:416:1519:30
6:17
#1319
Half
13.11 mi11:22:251:21:556:154:14
6:12
#1318
25K
15.53 mi11:37:361:37:066:1515:11
6:16
#1291
30K
18.64 mi11:57:151:56:456:1619:39
6:19
#1208
20M
20.00 mi12:05:552:05:256:168:40
6:23
#1185
21M
21.00 mi12:12:402:12:106:186:45
6:45
#1162
35K
21.75 mi12:17:152:16:456:174:35
6:08
#1143
23M
23.00 mi12:25:152:24:456:188:00
6:23
#1124
24M
24.00 mi12:31:332:31:036:186:18
6:18
#1125
40K
24.85 mi12:37:052:36:356:185:32
6:28
#1128
25.2M
25.20 mi12:39:292:38:596:192:24
6:58
#1121
Finish
26.22 mi12:45:592:45:296:196:30
6:23
#1133
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1337127012701517(Top 6%)1447(Top 10%)1447(Top 27%)
10K6.21 mi3.10 mi1290+471225+451225+451286(Top 5%)1223(Top 8%)1223(Top 23%)
15K9.32 mi3.11 mi1336-461272-471272-471517(Top 6%)1447(Top 10%)1447(Top 27%)
20K12.43 mi3.11 mi1319+171256+161256+161304(Top 5%)1245(Top 8%)1245(Top 24%)
Half13.11 mi0.68 mi1318+1125612561364(Top 5%)1304(Top 9%)1304(Top 25%)
25K15.53 mi2.42 mi1291+271232+241232+241185(Top 4%)1131(Top 7%)1131(Top 21%)
30K18.64 mi3.11 mi1208+831153+791153+79983(Top 4%)935(Top 6%)935(Top 18%)
20M20.00 mi1.36 mi1185+231131+221131+221068(Top 4%)1023(Top 7%)1023(Top 19%)
21M21.00 mi1.00 mi1162+231108+231108+231249(Top 5%)1191(Top 8%)1191(Top 23%)
35K21.75 mi0.75 mi1143+191090+181090+181015(Top 4%)965(Top 6%)965(Top 18%)
23M23.00 mi1.25 mi1124+191072+181072+181068(Top 4%)1013(Top 7%)1013(Top 19%)
24M24.00 mi1.00 mi1125-11073-11073-11334(Top 5%)1262(Top 8%)1262(Top 24%)
40K24.85 mi0.85 mi1128-31075-21075-21434(Top 5%)1353(Top 9%)1353(Top 26%)
25.2M25.20 mi0.35 mi1121+71068+71068+71585(Top 6%)1491(Top 10%)1491(Top 28%)
Finish26.22 mi1.02 mi1133-121079-111079-111903(Top 7%)1774(Top 12%)1774(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1517

Males

1447

M18-39

1447

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1286

Males

1223

M18-39

1223

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1517

Males

1447

M18-39

1447

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1304

Males

1245

M18-39

1245

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1364

Males

1304

M18-39

1304

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1185

Males

1131

M18-39

1131

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

983

Males

935

M18-39

935

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1068

Males

1023

M18-39

1023

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1249

Males

1191

M18-39

1191

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1015

Males

965

M18-39

965

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1068

Males

1013

M18-39

1013

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1334

Males

1262

M18-39

1262

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1434

Males

1353

M18-39

1353

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1585

Males

1491

M18-39

1491

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1903

Males

1774

M18-39

1774

Passing Analysis

Category:
Athletes Passed
489
Passed By
285
Net Change
+204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1337
5K → 10K10154+47#1337#1290
10K → 15K2874-46#1290#1336
15K → 20K5538+17#1336#1319
20K → Half65+1#1319#1318
Half → 25K4013+27#1318#1291
25K → 30K885+83#1291#1208
30K → 20M318+23#1208#1185
20M → 21M3310+23#1185#1162
21M → 35K256+19#1162#1143
35K → 23M3314+19#1143#1124
23M → 24M1213-1#1124#1125
24M → 40K1215-3#1125#1128
40K → 25.2M114+7#1128#1121
25.2M → Finish1426-12#1121#1133
TOTALS489285+204
📊

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