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BOSTON MARATHON 2023

Calum Nicol

Bib: 3216•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Division (M18-39)
#0 / 5285
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:40
Rank: #1543
Start → 5K
19:40 | 6:20/mi
10K· 6.21 mi
38:23
Rank: #1151 (+392)
5K → 10K
18:43 | 6:01/mi
15K· 9.32 mi
57:12
Rank: #1054 (+97)
10K → 15K
18:49 | 6:03/mi
20K· 12.43 mi
1:16:25
Rank: #1031 (+23)
15K → 20K
19:13 | 6:11/mi
Half· 13.11 mi
1:20:35
Rank: #1032 (-1)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:35:38
Rank: #1008 (+24)
Half → 25K
15:03 | 6:12/mi
30K· 18.64 mi
1:55:52
Rank: #1075 (-67)
25K → 30K
20:14 | 6:31/mi
20M
2:05:29
Rank: #1196 (-121)
30K → 20M
9:37 | 7:04/mi
21M
2:12:33
Rank: #1237 (-41)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:17:48
Rank: #1331 (-94)
21M → 35K
5:15 | 7:01/mi
23M
2:27:01
Rank: #1489 (-158)
35K → 23M
9:13 | 7:22/mi
24M
2:34:28
Rank: #1649 (-160)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
2:40:59
Rank: #1790 (-141)
24M → 40K
6:31 | 7:37/mi
25.2M
2:43:49
Rank: #1858 (-68)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
2:51:44
Rank: #2062 (-204)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:35
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:31:09
Pace6:57 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4719:406:2019:40
6:20
-
10K
6.21 mi10:39:3038:236:1118:43
6:01
-0:19
15K
9.32 mi10:58:1957:126:0818:49
6:03
+0:02
20K
12.43 mi11:17:321:16:256:0919:13
6:11
+0:08
Half
13.11 mi11:21:421:20:356:094:10
6:06
-0:05
25K
15.53 mi11:36:451:35:386:0915:03
6:12
+0:06
30K
18.64 mi11:56:591:55:526:1320:14
6:31
+0:19
20M
20.00 mi12:06:362:05:296:169:37
7:04
+0:33
21M
21.00 mi12:13:402:12:336:197:04
7:04
0:00
35K
21.75 mi12:18:552:17:486:205:15
7:01
-0:03
23M
23.00 mi12:28:082:27:016:249:13
7:22
+0:21
24M
24.00 mi12:35:352:34:286:267:27
7:27
+0:05
40K
24.85 mi12:42:062:40:596:296:31
7:37
+0:10
25.2M
25.20 mi12:44:562:43:496:302:50
8:13
+0:36
Finish
26.22 mi12:52:512:51:446:337:55
7:46
-0:27

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

6:01 /mi

Average Pace

6:33 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:52

67% of race

Time at Steady Pace

21:56

13% of race

Time at Slower Pace

33:56

20% 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 mi10:20:4719:406:2019:40
6:20
#1543
10K
6.21 mi10:39:3038:236:1118:43
6:01
#1151
15K
9.32 mi10:58:1957:126:0818:49
6:03
#1054
20K
12.43 mi11:17:321:16:256:0919:13
6:11
#1031
Half
13.11 mi11:21:421:20:356:094:10
6:06
#1032
25K
15.53 mi11:36:451:35:386:0915:03
6:12
#1008
30K
18.64 mi11:56:591:55:526:1320:14
6:31
#1075
20M
20.00 mi12:06:362:05:296:169:37
7:04
#1196
21M
21.00 mi12:13:402:12:336:197:04
7:04
#1237
35K
21.75 mi12:18:552:17:486:205:15
7:01
#1331
23M
23.00 mi12:28:082:27:016:249:13
7:22
#1489
24M
24.00 mi12:35:352:34:286:267:27
7:27
#1649
40K
24.85 mi12:42:062:40:596:296:31
7:37
#1790
25.2M
25.20 mi12:44:562:43:496:302:50
8:13
#1858
Finish
26.22 mi12:52:512:51:446:337:55
7:46
#2062
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi154314701470839(Top 3%)793(Top 5%)793(Top 15%)
10K6.21 mi3.10 mi1151+3921088+3821088+382875(Top 3%)827(Top 5%)827(Top 16%)
15K9.32 mi3.11 mi1054+971000+881000+88839(Top 3%)793(Top 5%)793(Top 15%)
20K12.43 mi3.11 mi1031+23979+21979+211019(Top 4%)969(Top 6%)969(Top 18%)
Half13.11 mi0.68 mi1032-1980-1980-11073(Top 4%)1025(Top 7%)1025(Top 19%)
25K15.53 mi2.42 mi1008+24958+22958+221025(Top 4%)976(Top 6%)976(Top 18%)
30K18.64 mi3.11 mi1075-671024-661024-661610(Top 6%)1540(Top 10%)1540(Top 29%)
20M20.00 mi1.36 mi1196-1211142-1181142-1184436(Top 17%)4077(Top 27%)4077(Top 77%)
21M21.00 mi1.00 mi1237-411182-401182-402505(Top 9%)2363(Top 16%)2363(Top 45%)
35K21.75 mi0.75 mi1331-941271-891271-895376(Top 20%)4772(Top 31%)4772(Top 90%)
23M23.00 mi1.25 mi1489-1581422-1511422-1515595(Top 21%)4897(Top 32%)4897(Top 93%)
24M24.00 mi1.00 mi1649-1601577-1551577-1557320(Top 27%)5890(Top 39%)5890(Top 111%)
40K24.85 mi0.85 mi1790-1411712-1351712-1357398(Top 28%)5858(Top 39%)5858(Top 111%)
25.2M25.20 mi0.35 mi1858-681777-651777-657657(Top 29%)5933(Top 39%)5933(Top 112%)
Finish26.22 mi1.02 mi2062-2041976-1991976-19910390(Top 39%)7474(Top 49%)7474(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

839

Males

793

M18-39

793

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

875

Males

827

M18-39

827

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

839

Males

793

M18-39

793

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1019

Males

969

M18-39

969

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1073

Males

1025

M18-39

1025

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1025

Males

976

M18-39

976

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1610

Males

1540

M18-39

1540

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4436

Males

4077

M18-39

4077

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2505

Males

2363

M18-39

2363

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5376

Males

4772

M18-39

4772

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5595

Males

4897

M18-39

4897

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7320

Males

5890

M18-39

5890

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7398

Males

5858

M18-39

5858

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7657

Males

5933

M18-39

5933

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10390

Males

7474

M18-39

7474

Passing Analysis

Category:
Athletes Passed
615
Passed By
1134
Net Change
-519
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1543
5K → 10K3931+392#1543#1151
10K → 15K1003+97#1151#1054
15K → 20K3613+23#1054#1031
20K → Half56-1#1031#1032
Half → 25K3410+24#1032#1008
25K → 30K1683-67#1008#1075
30K → 20M2123-121#1075#1196
20M → 21M1152-41#1196#1237
21M → 35K498-94#1237#1331
35K → 23M2160-158#1331#1489
23M → 24M2162-160#1489#1649
24M → 40K3144-141#1649#1790
40K → 25.2M371-68#1790#1858
25.2M → Finish4208-204#1858#2062
TOTALS6151134-519
📊

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