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BOSTON MARATHON 2023

Chad Norlin

Bib: 6525•M

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Masters (Masters Men)
#0 / 9891
Top 7%
Division (M40-44)
#0 / 2241
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #3709
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
41:20
Rank: #3545 (+164)
5K → 10K
20:30 | 6:36/mi
15K· 9.32 mi
1:01:56
Rank: #3510 (+35)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:22:29
Rank: #3350 (+160)
15K → 20K
20:33 | 6:37/mi
Half· 13.11 mi
1:26:58
Rank: #3343 (+7)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:42:58
Rank: #3194 (+149)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
2:04:03
Rank: #3070 (+124)
25K → 30K
21:05 | 6:47/mi
20M
2:13:16
Rank: #3023 (+47)
30K → 20M
9:13 | 6:47/mi
21M
2:20:18
Rank: #2959 (+64)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:25:17
Rank: #2954 (+5)
21M → 35K
4:59 | 6:40/mi
23M
2:33:50
Rank: #2908 (+46)
35K → 23M
8:33 | 6:50/mi
24M
2:40:26
Rank: #2874 (+34)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:46:15
Rank: #2845 (+29)
24M → 40K
5:49 | 6:48/mi
25.2M
2:48:43
Rank: #2815 (+30)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:55:32
Rank: #2828 (-13)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:58
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:28:34
Pace6:45 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1320:506:4220:50
6:42
-
10K
6.21 mi10:44:4341:206:3920:30
6:36
-0:06
15K
9.32 mi11:05:191:01:566:3920:36
6:38
+0:02
20K
12.43 mi11:25:521:22:296:3820:33
6:37
-0:01
Half
13.11 mi11:30:211:26:586:384:29
6:34
-0:03
25K
15.53 mi11:46:211:42:586:3816:00
6:36
+0:02
30K
18.64 mi12:07:262:04:036:3921:05
6:47
+0:11
20M
20.00 mi12:16:392:13:166:409:13
6:47
0:00
21M
21.00 mi12:23:412:20:186:417:02
7:02
+0:15
35K
21.75 mi12:28:402:25:176:414:59
6:40
-0:22
23M
23.00 mi12:37:132:33:506:418:33
6:50
+0:10
24M
24.00 mi12:43:492:40:266:416:36
6:36
-0:14
40K
24.85 mi12:49:382:46:156:415:49
6:48
+0:12
25.2M
25.20 mi12:52:062:48:436:422:28
7:09
+0:21
Finish
26.22 mi12:58:552:55:326:426:49
6:41
-0:28

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

6:34 /mi

Average Pace

6:42 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:02

95% of race

Time at Steady Pace

9:30

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:24:1320:506:4220:50
6:42
#3709
10K
6.21 mi10:44:4341:206:3920:30
6:36
#3545
15K
9.32 mi11:05:191:01:566:3920:36
6:38
#3510
20K
12.43 mi11:25:521:22:296:3820:33
6:37
#3350
Half
13.11 mi11:30:211:26:586:384:29
6:34
#3343
25K
15.53 mi11:46:211:42:586:3816:00
6:36
#3194
30K
18.64 mi12:07:262:04:036:3921:05
6:47
#3070
20M
20.00 mi12:16:392:13:166:409:13
6:47
#3023
21M
21.00 mi12:23:412:20:186:417:02
7:02
#2959
35K
21.75 mi12:28:402:25:176:414:59
6:40
#2954
23M
23.00 mi12:37:132:33:506:418:33
6:50
#2908
24M
24.00 mi12:43:492:40:266:416:36
6:36
#2874
40K
24.85 mi12:49:382:46:156:415:49
6:48
#2845
25.2M
25.20 mi12:52:062:48:436:422:28
7:09
#2815
Finish
26.22 mi12:58:552:55:326:426:49
6:41
#2828
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3709348534853541(Top 13%)3348(Top 22%)3348(Top 149%)
10K6.21 mi3.10 mi3545+1643346+1393346+1393477(Top 13%)3293(Top 22%)3293(Top 147%)
15K9.32 mi3.11 mi3510+353322+243322+243541(Top 13%)3348(Top 22%)3348(Top 149%)
20K12.43 mi3.11 mi3350+1603180+1423180+1422950(Top 11%)2810(Top 19%)2810(Top 125%)
Half13.11 mi0.68 mi3343+73177+33177+33200(Top 12%)3050(Top 20%)3050(Top 136%)
25K15.53 mi2.42 mi3194+1493042+1353042+1352709(Top 10%)2593(Top 17%)2593(Top 116%)
30K18.64 mi3.11 mi3070+1242925+1172925+1172885(Top 11%)2735(Top 18%)2735(Top 122%)
20M20.00 mi1.36 mi3023+472880+452880+452702(Top 10%)2556(Top 17%)2556(Top 114%)
21M21.00 mi1.00 mi2959+642820+602820+602302(Top 9%)2175(Top 14%)2175(Top 97%)
35K21.75 mi0.75 mi2954+52813+72813+73309(Top 12%)3079(Top 20%)3079(Top 137%)
23M23.00 mi1.25 mi2908+462767+462767+462804(Top 11%)2620(Top 17%)2620(Top 117%)
24M24.00 mi1.00 mi2874+342731+362731+362558(Top 10%)2386(Top 16%)2386(Top 106%)
40K24.85 mi0.85 mi2845+292705+262705+262830(Top 11%)2604(Top 17%)2604(Top 116%)
25.2M25.20 mi0.35 mi2815+302675+302675+302309(Top 9%)2142(Top 14%)2142(Top 96%)
Finish26.22 mi1.02 mi2828-132684-92684-93427(Top 13%)3069(Top 20%)3069(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3541

Males

3348

M40-44

3348

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3477

Males

3293

M40-44

3293

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3541

Males

3348

M40-44

3348

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2950

Males

2810

M40-44

2810

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3200

Males

3050

M40-44

3050

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2709

Males

2593

M40-44

2593

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2885

Males

2735

M40-44

2735

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2702

Males

2556

M40-44

2556

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2302

Males

2175

M40-44

2175

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3309

Males

3079

M40-44

3079

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2804

Males

2620

M40-44

2620

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2558

Males

2386

M40-44

2386

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2830

Males

2604

M40-44

2604

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2309

Males

2142

M40-44

2142

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3427

Males

3069

M40-44

3069

Passing Analysis

Category:
Athletes Passed
1357
Passed By
476
Net Change
+881
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3709
5K → 10K291127+164#3709#3545
10K → 15K12489+35#3545#3510
15K → 20K17616+160#3510#3350
20K → Half1912+7#3350#3343
Half → 25K1567+149#3343#3194
25K → 30K15632+124#3194#3070
30K → 20M6417+47#3070#3023
20M → 21M8117+64#3023#2959
21M → 35K3530+5#2959#2954
35K → 23M7125+46#2954#2908
23M → 24M6026+34#2908#2874
24M → 40K5526+29#2874#2845
40K → 25.2M366+30#2845#2815
25.2M → Finish3346-13#2815#2828
TOTALS1357476+881
📊

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