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BOSTON MARATHON 2023

Alison Mccann

Bib: 13474•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F45-49)
#0 / 1817
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:34
Rank: #10412
Start → 5K
23:34 | 7:35/mi
10K· 6.21 mi
46:47
Rank: #10304 (+108)
5K → 10K
23:13 | 7:28/mi
15K· 9.32 mi
1:10:08
Rank: #10279 (+25)
10K → 15K
23:21 | 7:31/mi
20K· 12.43 mi
1:33:49
Rank: #10271 (+8)
15K → 20K
23:41 | 7:37/mi
Half· 13.11 mi
1:38:58
Rank: #10286 (-15)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:57:22
Rank: #10096 (+190)
Half → 25K
18:24 | 7:35/mi
30K· 18.64 mi
2:21:16
Rank: #9809 (+287)
25K → 30K
23:54 | 7:42/mi
20M
2:31:33
Rank: #9589 (+220)
30K → 20M
10:17 | 7:34/mi
21M
2:39:30
Rank: #9394 (+195)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:45:11
Rank: #9364 (+30)
21M → 35K
5:41 | 7:36/mi
23M
2:55:02
Rank: #9287 (+77)
35K → 23M
9:51 | 7:52/mi
24M
3:02:33
Rank: #9195 (+92)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:09:07
Rank: #9127 (+68)
24M → 40K
6:34 | 7:41/mi
25.2M
3:11:57
Rank: #9105 (+22)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:19:30
Rank: #9051 (+54)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:58
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:40:32
Pace7:40 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0123:347:3523:34
7:35
-
10K
6.21 mi11:15:1446:477:3223:13
7:28
-0:07
15K
9.32 mi11:38:351:10:087:3123:21
7:31
+0:03
20K
12.43 mi12:02:161:33:497:3323:41
7:37
+0:06
Half
13.11 mi12:07:251:38:587:335:09
7:33
-0:04
25K
15.53 mi12:25:491:57:227:3318:24
7:35
+0:02
30K
18.64 mi12:49:432:21:167:3523:54
7:42
+0:07
20M
20.00 mi13:00:002:31:337:3510:17
7:34
-0:08
21M
21.00 mi13:07:572:39:307:367:57
7:57
+0:23
35K
21.75 mi13:13:382:45:117:365:41
7:36
-0:21
23M
23.00 mi13:23:292:55:027:379:51
7:52
+0:16
24M
24.00 mi13:31:003:02:337:367:31
7:31
-0:21
40K
24.85 mi13:37:343:09:077:376:34
7:41
+0:10
25.2M
25.20 mi13:40:243:11:577:372:50
8:13
+0:32
Finish
26.22 mi13:47:573:19:307:377:33
7:25
-0:48

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

7:25 /mi

Average Pace

7:37 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:40

99% of race

Time at Steady Pace

2:50

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:52:0123:347:3523:34
7:35
#10412
10K
6.21 mi11:15:1446:477:3223:13
7:28
#10304
15K
9.32 mi11:38:351:10:087:3123:21
7:31
#10279
20K
12.43 mi12:02:161:33:497:3323:41
7:37
#10271
Half
13.11 mi12:07:251:38:587:335:09
7:33
#10286
25K
15.53 mi12:25:491:57:227:3318:24
7:35
#10096
30K
18.64 mi12:49:432:21:167:3523:54
7:42
#9809
20M
20.00 mi13:00:002:31:337:3510:17
7:34
#9589
21M
21.00 mi13:07:572:39:307:367:57
7:57
#9394
35K
21.75 mi13:13:382:45:117:365:41
7:36
#9364
23M
23.00 mi13:23:292:55:027:379:51
7:52
#9287
24M
24.00 mi13:31:003:02:337:367:31
7:31
#9195
40K
24.85 mi13:37:343:09:077:376:34
7:41
#9127
25.2M
25.20 mi13:40:243:11:577:372:50
8:13
#9105
Finish
26.22 mi13:47:573:19:307:377:33
7:25
#9051
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi104122042204210312(Top 39%)1984(Top 17%)1984(Top 109%)
10K6.21 mi3.10 mi10304+1081972+701972+7010248(Top 38%)1930(Top 17%)1930(Top 106%)
15K9.32 mi3.11 mi10279+251946+261946+2610312(Top 39%)1984(Top 17%)1984(Top 109%)
20K12.43 mi3.11 mi10271+81960-141960-1410266(Top 39%)2027(Top 18%)2027(Top 112%)
Half13.11 mi0.68 mi10286-151967-71967-710637(Top 40%)2175(Top 19%)2175(Top 120%)
25K15.53 mi2.42 mi10096+1901900+671900+679471(Top 36%)1762(Top 15%)1762(Top 97%)
30K18.64 mi3.11 mi9809+2871805+951805+958603(Top 32%)1554(Top 14%)1554(Top 86%)
20M20.00 mi1.36 mi9589+2201746+591746+597310(Top 27%)1148(Top 10%)1148(Top 63%)
21M21.00 mi1.00 mi9394+1951690+561690+567072(Top 27%)1167(Top 10%)1167(Top 64%)
35K21.75 mi0.75 mi9364+301697-71697-79279(Top 35%)2032(Top 18%)2032(Top 112%)
23M23.00 mi1.25 mi9287+771693+41693+48879(Top 33%)1961(Top 17%)1961(Top 108%)
24M24.00 mi1.00 mi9195+921673+201673+207845(Top 29%)1620(Top 14%)1620(Top 89%)
40K24.85 mi0.85 mi9127+681670+31670+37867(Top 30%)1697(Top 15%)1697(Top 93%)
25.2M25.20 mi0.35 mi9105+221664+61664+67847(Top 29%)1759(Top 15%)1759(Top 97%)
Finish26.22 mi1.02 mi9051+541672-81672-87881(Top 30%)1780(Top 16%)1780(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10312

Females

1984

F45-49

1984

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10248

Females

1930

F45-49

1930

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10312

Females

1984

F45-49

1984

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10266

Females

2027

F45-49

2027

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10637

Females

2175

F45-49

2175

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9471

Females

1762

F45-49

1762

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8603

Females

1554

F45-49

1554

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7310

Females

1148

F45-49

1148

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7072

Females

1167

F45-49

1167

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9279

Females

2032

F45-49

2032

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8879

Females

1961

F45-49

1961

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7845

Females

1620

F45-49

1620

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7867

Females

1697

F45-49

1697

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7847

Females

1759

F45-49

1759

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7881

Females

1780

F45-49

1780

Passing Analysis

Category:
Athletes Passed
2222*
Passed By
861
Net Change
+1361
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10412
5K → 10K354*246+108#10412#10304
10K → 15K193168+25#10304#10279
15K → 20K160*152+8#10279#10271
20K → Half2338-15#10271#10286
Half → 25K23242+190#10286#10096
25K → 30K330*43+287#10096#9809
30K → 20M2255+220#9809#9589
20M → 21M2038+195#9589#9394
21M → 35K6131+30#9394#9364
35K → 23M11639+77#9364#9287
23M → 24M10917+92#9287#9195
24M → 40K8820+68#9195#9127
40K → 25.2M3210+22#9127#9105
25.2M → Finish9642+54#9105#9051
TOTALS2222*861+1361

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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