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BOSTON MARATHON 2023

Morgan Sieger

Bib: 18265•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:03
Rank: #11852
Start → 5K
24:03 | 7:44/mi
10K· 6.21 mi
48:41
Rank: #13023 (-1171)
5K → 10K
24:38 | 7:56/mi
15K· 9.32 mi
1:12:11
Rank: #12191 (+832)
10K → 15K
23:30 | 7:34/mi
20K· 12.43 mi
1:36:58
Rank: #12431 (-240)
15K → 20K
24:47 | 7:59/mi
Half· 13.11 mi
1:42:02
Rank: #12259 (+172)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
2:00:33
Rank: #11812 (+447)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:29:40
Rank: #13500 (-1688)
25K → 30K
29:07 | 9:22/mi
20M
2:39:55
Rank: #13011 (+489)
30K → 20M
10:15 | 7:33/mi
21M
2:47:45
Rank: #12559 (+452)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:53:15
Rank: #12363 (+196)
21M → 35K
5:30 | 7:21/mi
23M
3:02:54
Rank: #12062 (+301)
35K → 23M
9:39 | 7:42/mi
24M
3:10:20
Rank: #11836 (+226)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
3:16:53
Rank: #11660 (+176)
24M → 40K
6:33 | 7:40/mi
25.2M
3:19:37
Rank: #11540 (+120)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:26:50
Rank: #11238 (+302)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:02
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:44:48
Pace8:00 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3324:037:4424:03
7:44
-
10K
6.21 mi11:40:1148:417:5024:38
7:56
+0:12
15K
9.32 mi12:03:411:12:117:4523:30
7:34
-0:22
20K
12.43 mi12:28:281:36:587:4824:47
7:59
+0:25
Half
13.11 mi12:33:321:42:027:475:04
7:26
-0:33
25K
15.53 mi12:52:032:00:337:4618:31
7:38
+0:12
30K
18.64 mi13:21:102:29:408:0229:07
9:22
+1:44
20M
20.00 mi13:31:252:39:558:0010:15
7:33
-1:49
21M
21.00 mi13:39:152:47:457:597:50
7:50
+0:17
35K
21.75 mi13:44:452:53:157:585:30
7:21
-0:29
23M
23.00 mi13:54:243:02:547:579:39
7:42
+0:21
24M
24.00 mi14:01:503:10:207:567:26
7:26
-0:16
40K
24.85 mi14:08:233:16:537:556:33
7:40
+0:14
25.2M
25.20 mi14:11:073:19:377:552:44
7:56
+0:16
Finish
26.22 mi14:18:203:26:507:547:13
7:05
-0:51

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

7:05 /mi

Average Pace

7:54 /mi

Slowest Pace

9:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:43

6% of race

Time at Steady Pace

1:52:51

55% of race

Time at Slower Pace

1:21:16

39% of race

Average Pace: 7:53 /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 mi11:15:3324:037:4424:03
7:44
#11852
10K
6.21 mi11:40:1148:417:5024:38
7:56
#13023
15K
9.32 mi12:03:411:12:117:4523:30
7:34
#12191
20K
12.43 mi12:28:281:36:587:4824:47
7:59
#12431
Half
13.11 mi12:33:321:42:027:475:04
7:26
#12259
25K
15.53 mi12:52:032:00:337:4618:31
7:38
#11812
30K
18.64 mi13:21:102:29:408:0229:07
9:22
#13500
20M
20.00 mi13:31:252:39:558:0010:15
7:33
#13011
21M
21.00 mi13:39:152:47:457:597:50
7:50
#12559
35K
21.75 mi13:44:452:53:157:585:30
7:21
#12363
23M
23.00 mi13:54:243:02:547:579:39
7:42
#12062
24M
24.00 mi14:01:503:10:207:567:26
7:26
#11836
40K
24.85 mi14:08:233:16:537:556:33
7:40
#11660
25.2M
25.20 mi14:11:073:19:377:552:44
7:56
#11540
Finish
26.22 mi14:18:203:26:507:547:13
7:05
#11238
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118522776277610731(Top 40%)2200(Top 19%)2200(Top 45%)
10K6.21 mi3.10 mi13023-11713455-6793455-67914233(Top 53%)4194(Top 37%)4194(Top 86%)
15K9.32 mi3.11 mi12191+8323001+4543001+45410731(Top 40%)2200(Top 19%)2200(Top 45%)
20K12.43 mi3.11 mi12431-2403166-1653166-16513242(Top 50%)3674(Top 32%)3674(Top 75%)
Half13.11 mi0.68 mi12259+1723071+953071+959713(Top 36%)1784(Top 16%)1784(Top 37%)
25K15.53 mi2.42 mi11812+4472817+2542817+2549844(Top 37%)1941(Top 17%)1941(Top 40%)
30K18.64 mi3.11 mi13500-16883839-10223839-102218904(Top 71%)7143(Top 63%)7143(Top 146%)
20M20.00 mi1.36 mi13011+4893570+2693570+2697126(Top 27%)1076(Top 9%)1076(Top 22%)
21M21.00 mi1.00 mi12559+4523330+2403330+2406379(Top 24%)917(Top 8%)917(Top 19%)
35K21.75 mi0.75 mi12363+1963229+1013229+1017552(Top 28%)1344(Top 12%)1344(Top 28%)
23M23.00 mi1.25 mi12062+3013092+1373092+1377811(Top 29%)1509(Top 13%)1509(Top 31%)
24M24.00 mi1.00 mi11836+2262974+1182974+1187313(Top 27%)1422(Top 12%)1422(Top 29%)
40K24.85 mi0.85 mi11660+1762897+772897+777765(Top 29%)1672(Top 15%)1672(Top 34%)
25.2M25.20 mi0.35 mi11540+1202842+552842+556196(Top 23%)1146(Top 10%)1146(Top 23%)
Finish26.22 mi1.02 mi11238+3022711+1312711+1315762(Top 22%)998(Top 9%)998(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10731

Females

2200

F18-39

2200

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14233

Females

4194

F18-39

4194

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10731

Females

2200

F18-39

2200

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13242

Females

3674

F18-39

3674

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9713

Females

1784

F18-39

1784

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9844

Females

1941

F18-39

1941

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18904

Females

7143

F18-39

7143

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7126

Females

1076

F18-39

1076

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6379

Females

917

F18-39

917

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7552

Females

1344

F18-39

1344

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7811

Females

1509

F18-39

1509

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7313

Females

1422

F18-39

1422

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7765

Females

1672

F18-39

1672

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6196

Females

1146

F18-39

1146

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5762

Females

998

F18-39

998

Passing Analysis

Category:
Athletes Passed
3899
Passed By
3285
Net Change
+614
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11852
5K → 10K451216-1171#11852#13023
10K → 15K85321+832#13023#12191
15K → 20K92332-240#12191#12431
20K → Half1720+172#12431#12259
Half → 25K4503+447#12259#11812
25K → 30K131701-1688#11812#13500
30K → 20M4901+489#13500#13011
20M → 21M4520+452#13011#12559
21M → 35K1971+196#12559#12363
35K → 23M3043+301#12363#12062
23M → 24M2293+226#12062#11836
24M → 40K1782+176#11836#11660
40K → 25.2M1200+120#11660#11540
25.2M → Finish3042+302#11540#11238
TOTALS38993285+614
📊

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