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BOSTON MARATHON 2023

Cairn Morrison

Bib: 6256•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M45-49)
#0 / 2252
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #3368
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
40:46
Rank: #2864 (+504)
5K → 10K
20:03 | 6:27/mi
15K· 9.32 mi
1:00:53
Rank: #2707 (+157)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:21:11
Rank: #2634 (+73)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:25:33
Rank: #2612 (+22)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:41:18
Rank: #2520 (+92)
Half → 25K
15:45 | 6:30/mi
30K· 18.64 mi
2:01:50
Rank: #2402 (+118)
25K → 30K
20:32 | 6:37/mi
20M
2:11:00
Rank: #2383 (+19)
30K → 20M
9:10 | 6:45/mi
21M
2:18:09
Rank: #2382 (+1)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:23:05
Rank: #2374 (+8)
21M → 35K
4:56 | 6:36/mi
23M
2:31:44
Rank: #2391 (-17)
35K → 23M
8:39 | 6:55/mi
24M
2:38:27
Rank: #2391
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:44:25
Rank: #2406 (-15)
24M → 40K
5:58 | 6:59/mi
25.2M
2:47:04
Rank: #2416 (-10)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:54:12
Rank: #2514 (-98)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:33
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5920:436:4020:43
6:40
-
10K
6.21 mi10:44:0240:466:3420:03
6:27
-0:13
15K
9.32 mi11:04:091:00:536:3220:07
6:28
+0:01
20K
12.43 mi11:24:271:21:116:3220:18
6:32
+0:04
Half
13.11 mi11:28:491:25:336:324:22
6:24
-0:08
25K
15.53 mi11:44:341:41:186:3115:45
6:30
+0:06
30K
18.64 mi12:05:062:01:506:3220:32
6:37
+0:07
20M
20.00 mi12:14:162:11:006:339:10
6:45
+0:08
21M
21.00 mi12:21:252:18:096:357:09
7:09
+0:24
35K
21.75 mi12:26:212:23:056:354:56
6:36
-0:33
23M
23.00 mi12:35:002:31:446:368:39
6:55
+0:19
24M
24.00 mi12:41:432:38:276:366:43
6:43
-0:12
40K
24.85 mi12:47:412:44:256:375:58
6:59
+0:16
25.2M
25.20 mi12:50:202:47:046:382:39
7:41
+0:42
Finish
26.22 mi12:57:282:54:126:397:08
7:00
-0:41

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

6:24 /mi

Average Pace

6:39 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:17

35% of race

Time at Steady Pace

1:22:22

47% of race

Time at Slower Pace

31:33

18% of race

Average Pace: 6:39 /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 mi10:23:5920:436:4020:43
6:40
#3368
10K
6.21 mi10:44:0240:466:3420:03
6:27
#2864
15K
9.32 mi11:04:091:00:536:3220:07
6:28
#2707
20K
12.43 mi11:24:271:21:116:3220:18
6:32
#2634
Half
13.11 mi11:28:491:25:336:324:22
6:24
#2612
25K
15.53 mi11:44:341:41:186:3115:45
6:30
#2520
30K
18.64 mi12:05:062:01:506:3220:32
6:37
#2402
20M
20.00 mi12:14:162:11:006:339:10
6:45
#2383
21M
21.00 mi12:21:252:18:096:357:09
7:09
#2382
35K
21.75 mi12:26:212:23:056:354:56
6:36
#2374
23M
23.00 mi12:35:002:31:446:368:39
6:55
#2391
24M
24.00 mi12:41:432:38:276:366:43
6:43
#2391
40K
24.85 mi12:47:412:44:256:375:58
6:59
#2406
25.2M
25.20 mi12:50:202:47:046:382:39
7:41
#2416
Finish
26.22 mi12:57:282:54:126:397:08
7:00
#2514
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3368317531752489(Top 9%)2388(Top 16%)2388(Top 106%)
10K6.21 mi3.10 mi2864+5042730+4452730+4452512(Top 9%)2401(Top 16%)2401(Top 107%)
15K9.32 mi3.11 mi2707+1572585+1452585+1452489(Top 9%)2388(Top 16%)2388(Top 106%)
20K12.43 mi3.11 mi2634+732518+672518+672481(Top 9%)2376(Top 16%)2376(Top 106%)
Half13.11 mi0.68 mi2612+222497+212497+212240(Top 8%)2150(Top 14%)2150(Top 95%)
25K15.53 mi2.42 mi2520+922413+842413+842157(Top 8%)2070(Top 14%)2070(Top 92%)
30K18.64 mi3.11 mi2402+1182302+1112302+1112002(Top 8%)1915(Top 13%)1915(Top 85%)
20M20.00 mi1.36 mi2383+192283+192283+192501(Top 9%)2372(Top 16%)2372(Top 105%)
21M21.00 mi1.00 mi2382+1228322832830(Top 11%)2655(Top 17%)2655(Top 118%)
35K21.75 mi0.75 mi2374+82274+92274+92930(Top 11%)2741(Top 18%)2741(Top 122%)
23M23.00 mi1.25 mi2391-172288-142288-143252(Top 12%)3021(Top 20%)3021(Top 134%)
24M24.00 mi1.00 mi23912289-12289-13177(Top 12%)2943(Top 19%)2943(Top 131%)
40K24.85 mi0.85 mi2406-152301-122301-123688(Top 14%)3329(Top 22%)3329(Top 148%)
25.2M25.20 mi0.35 mi2416-102309-82309-84703(Top 18%)4056(Top 27%)4056(Top 180%)
Finish26.22 mi1.02 mi2514-982398-892398-895161(Top 19%)4369(Top 29%)4369(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2489

Males

2388

M45-49

2388

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2512

Males

2401

M45-49

2401

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2489

Males

2388

M45-49

2388

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2481

Males

2376

M45-49

2376

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2240

Males

2150

M45-49

2150

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2157

Males

2070

M45-49

2070

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2002

Males

1915

M45-49

1915

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2501

Males

2372

M45-49

2372

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2830

Males

2655

M45-49

2655

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2930

Males

2741

M45-49

2741

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3252

Males

3021

M45-49

3021

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3177

Males

2943

M45-49

2943

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3688

Males

3329

M45-49

3329

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4703

Males

4056

M45-49

4056

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5161

Males

4369

M45-49

4369

Passing Analysis

Category:
Athletes Passed
1288
Passed By
434
Net Change
+854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3368
5K → 10K52622+504#3368#2864
10K → 15K18124+157#2864#2707
15K → 20K11239+73#2707#2634
20K → Half275+22#2634#2612
Half → 25K10513+92#2612#2520
25K → 30K14022+118#2520#2402
30K → 20M4425+19#2402#2383
20M → 21M3029+1#2383#2382
21M → 35K2820+8#2382#2374
35K → 23M3249-17#2374#2391
23M → 24M25250#2391#2391
24M → 40K1732-15#2391#2406
40K → 25.2M1020-10#2406#2416
25.2M → Finish11109-98#2416#2514
TOTALS1288434+854
📊

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