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BOSTON MARATHON 2023

Morgan Ackley

Bib: 16004•F

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
24:18
Rank: #12578
Start → 5K
24:18 | 7:49/mi
10K· 6.21 mi
48:41
Rank: #13032 (-454)
5K → 10K
24:23 | 7:51/mi
15K· 9.32 mi
1:13:04
Rank: #13038 (-6)
10K → 15K
24:23 | 7:51/mi
20K· 12.43 mi
1:37:49
Rank: #13059 (-21)
15K → 20K
24:45 | 7:58/mi
Half· 13.11 mi
1:43:19
Rank: #13146 (-87)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:02:43
Rank: #13043 (+103)
Half → 25K
19:24 | 8:00/mi
30K· 18.64 mi
2:28:16
Rank: #12936 (+107)
25K → 30K
25:33 | 8:13/mi
20M
2:39:31
Rank: #12845 (+91)
30K → 20M
11:15 | 8:17/mi
21M
2:48:08
Rank: #12705 (+140)
20M → 21M
8:37 | 8:37/mi
35K· 21.75 mi
2:54:17
Rank: #12729 (-24)
21M → 35K
6:09 | 8:13/mi
23M
3:05:13
Rank: #12865 (-136)
35K → 23M
10:56 | 8:44/mi
24M
3:13:47
Rank: #12949 (-84)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:22:11
Rank: #13265 (-316)
24M → 40K
8:24 | 9:49/mi
25.2M
3:25:56
Rank: #13427 (-162)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:35:33
Rank: #13789 (-362)
25.2M → Finish
9:37 | 9:26/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:19
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:52:14
Pace8:34 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2524:187:4924:18
7:49
-
10K
6.21 mi11:38:4848:417:5024:23
7:51
+0:02
15K
9.32 mi12:03:111:13:047:5024:23
7:51
0:00
20K
12.43 mi12:27:561:37:497:5224:45
7:58
+0:07
Half
13.11 mi12:33:261:43:197:535:30
8:04
+0:06
25K
15.53 mi12:52:502:02:437:5419:24
8:00
-0:04
30K
18.64 mi13:18:232:28:167:5725:33
8:13
+0:13
20M
20.00 mi13:29:382:39:317:5911:15
8:17
+0:04
21M
21.00 mi13:38:152:48:088:008:37
8:37
+0:20
35K
21.75 mi13:44:242:54:178:016:09
8:13
-0:24
23M
23.00 mi13:55:203:05:138:0310:56
8:44
+0:31
24M
24.00 mi14:03:543:13:478:048:34
8:34
-0:10
40K
24.85 mi14:12:183:22:118:088:24
9:49
+1:15
25.2M
25.20 mi14:16:033:25:568:103:45
10:52
+1:03
Finish
26.22 mi14:25:403:35:338:149:37
9:26
-1:26

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

7:49 /mi

Average Pace

8:14 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:02:51

85% of race

Time at Slower Pace

32:42

15% of race

Average Pace: 8:13 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:14:2524:187:4924:18
7:49
#12578
10K
6.21 mi11:38:4848:417:5024:23
7:51
#13032
15K
9.32 mi12:03:111:13:047:5024:23
7:51
#13038
20K
12.43 mi12:27:561:37:497:5224:45
7:58
#13059
Half
13.11 mi12:33:261:43:197:535:30
8:04
#13146
25K
15.53 mi12:52:502:02:437:5419:24
8:00
#13043
30K
18.64 mi13:18:232:28:167:5725:33
8:13
#12936
20M
20.00 mi13:29:382:39:317:5911:15
8:17
#12845
21M
21.00 mi13:38:152:48:088:008:37
8:37
#12705
35K
21.75 mi13:44:242:54:178:016:09
8:13
#12729
23M
23.00 mi13:55:203:05:138:0310:56
8:44
#12865
24M
24.00 mi14:03:543:13:478:048:34
8:34
#12949
40K
24.85 mi14:12:183:22:118:088:24
9:49
#13265
25.2M
25.20 mi14:16:033:25:568:103:45
10:52
#13427
Finish
26.22 mi14:25:403:35:338:149:37
9:26
#13789
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi125783207320713129(Top 49%)3562(Top 31%)3562(Top 73%)
10K6.21 mi3.10 mi13032-4543464-2573464-25713560(Top 51%)3770(Top 33%)3770(Top 77%)
15K9.32 mi3.11 mi13038-63482-183482-1813129(Top 49%)3562(Top 31%)3562(Top 73%)
20K12.43 mi3.11 mi13059-213517-353517-3513171(Top 49%)3641(Top 32%)3641(Top 75%)
Half13.11 mi0.68 mi13146-873569-523569-5214881(Top 56%)4601(Top 40%)4601(Top 94%)
25K15.53 mi2.42 mi13043+1033520+493520+4912784(Top 48%)3518(Top 31%)3518(Top 72%)
30K18.64 mi3.11 mi12936+1073510+103510+1012512(Top 47%)3473(Top 30%)3473(Top 71%)
20M20.00 mi1.36 mi12845+913480+303480+3012256(Top 46%)3438(Top 30%)3438(Top 70%)
21M21.00 mi1.00 mi12705+1403417+633417+6311202(Top 42%)2984(Top 26%)2984(Top 61%)
35K21.75 mi0.75 mi12729-243445-283445-2813620(Top 51%)4355(Top 38%)4355(Top 89%)
23M23.00 mi1.25 mi12865-1363551-1063551-10614595(Top 55%)4948(Top 43%)4948(Top 101%)
24M24.00 mi1.00 mi12949-843616-653616-6514879(Top 56%)5156(Top 45%)5156(Top 106%)
40K24.85 mi0.85 mi13265-3163818-2023818-20219462(Top 73%)7743(Top 68%)7743(Top 159%)
25.2M25.20 mi0.35 mi13427-1623932-1143932-11420164(Top 76%)8133(Top 71%)8133(Top 167%)
Finish26.22 mi1.02 mi13789-3624164-2324164-23219902(Top 75%)7935(Top 69%)7935(Top 162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13129

Females

3562

F18-39

3562

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13560

Females

3770

F18-39

3770

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13129

Females

3562

F18-39

3562

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13171

Females

3641

F18-39

3641

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14881

Females

4601

F18-39

4601

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12784

Females

3518

F18-39

3518

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12512

Females

3473

F18-39

3473

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12256

Females

3438

F18-39

3438

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11202

Females

2984

F18-39

2984

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13620

Females

4355

F18-39

4355

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14595

Females

4948

F18-39

4948

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14879

Females

5156

F18-39

5156

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19462

Females

7743

F18-39

7743

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20164

Females

8133

F18-39

8133

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19902

Females

7935

F18-39

7935

Passing Analysis

Category:
Athletes Passed
1434
Passed By
2645
Net Change
-1211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12578
5K → 10K136590-454#12578#13032
10K → 15K215221-6#13032#13038
15K → 20K166187-21#13038#13059
20K → Half1299-87#13059#13146
Half → 25K19390+103#13146#13043
25K → 30K234127+107#13043#12936
30K → 20M13948+91#12936#12845
20M → 21M17535+140#12845#12705
21M → 35K4064-24#12705#12729
35K → 23M40176-136#12729#12865
23M → 24M46130-84#12865#12949
24M → 40K12328-316#12949#13265
40K → 25.2M11173-162#13265#13427
25.2M → Finish15377-362#13427#13789
TOTALS14342645-1211
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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