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BOSTON MARATHON 2023

Theresa Rosinger

Bib: 17306•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13362
Start → 5K
24:35 | 7:55/mi
10K· 6.21 mi
49:13
Rank: #13748 (-386)
5K → 10K
24:38 | 7:56/mi
15K· 9.32 mi
1:13:51
Rank: #13759 (-11)
10K → 15K
24:38 | 7:56/mi
20K· 12.43 mi
1:38:26
Rank: #13473 (+286)
15K → 20K
24:35 | 7:55/mi
Half· 13.11 mi
1:43:42
Rank: #13397 (+76)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:02:54
Rank: #13154 (+243)
Half → 25K
19:12 | 7:55/mi
30K· 18.64 mi
2:27:43
Rank: #12678 (+476)
25K → 30K
24:49 | 7:59/mi
20M
2:38:36
Rank: #12461 (+217)
30K → 20M
10:53 | 8:01/mi
21M
2:47:10
Rank: #12339 (+122)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:52:49
Rank: #12201 (+138)
21M → 35K
5:39 | 7:33/mi
23M
3:02:29
Rank: #11922 (+279)
35K → 23M
9:40 | 7:43/mi
24M
3:10:05
Rank: #11750 (+172)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
3:16:45
Rank: #11611 (+139)
24M → 40K
6:40 | 7:48/mi
25.2M
3:19:37
Rank: #11541 (+70)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:27:17
Rank: #11396 (+145)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:35
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5624:357:5524:35
7:55
-
10K
6.21 mi11:41:3449:137:5524:38
7:56
+0:01
15K
9.32 mi12:06:121:13:517:5524:38
7:56
0:00
20K
12.43 mi12:30:471:38:267:5524:35
7:55
-0:01
Half
13.11 mi12:36:031:43:427:555:16
7:43
-0:12
25K
15.53 mi12:55:152:02:547:5519:12
7:55
+0:12
30K
18.64 mi13:20:042:27:437:5524:49
7:59
+0:04
20M
20.00 mi13:30:572:38:367:5610:53
8:01
+0:02
21M
21.00 mi13:39:312:47:107:588:34
8:34
+0:33
35K
21.75 mi13:45:102:52:497:575:39
7:33
-1:01
23M
23.00 mi13:54:503:02:297:569:40
7:43
+0:10
24M
24.00 mi14:02:263:10:057:557:36
7:36
-0:07
40K
24.85 mi14:09:063:16:457:556:40
7:48
+0:12
25.2M
25.20 mi14:11:583:19:377:552:52
8:19
+0:31
Finish
26.22 mi14:19:383:27:177:557:40
7:31
-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

7:31 /mi

Average Pace

7:55 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:51

94% of race

Time at Steady Pace

11:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:16:5624:357:5524:35
7:55
#13362
10K
6.21 mi11:41:3449:137:5524:38
7:56
#13748
15K
9.32 mi12:06:121:13:517:5524:38
7:56
#13759
20K
12.43 mi12:30:471:38:267:5524:35
7:55
#13473
Half
13.11 mi12:36:031:43:427:555:16
7:43
#13397
25K
15.53 mi12:55:152:02:547:5519:12
7:55
#13154
30K
18.64 mi13:20:042:27:437:5524:49
7:59
#12678
20M
20.00 mi13:30:572:38:367:5610:53
8:01
#12461
21M
21.00 mi13:39:312:47:107:588:34
8:34
#12339
35K
21.75 mi13:45:102:52:497:575:39
7:33
#12201
23M
23.00 mi13:54:503:02:297:569:40
7:43
#11922
24M
24.00 mi14:02:263:10:057:557:36
7:36
#11750
40K
24.85 mi14:09:063:16:457:556:40
7:48
#11611
25.2M
25.20 mi14:11:583:19:377:552:52
8:19
#11541
Finish
26.22 mi14:19:383:27:177:557:40
7:31
#11396
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133623647364713806(Top 52%)3965(Top 35%)3965(Top 81%)
10K6.21 mi3.10 mi13748-3863894-2473894-24714234(Top 53%)4195(Top 37%)4195(Top 86%)
15K9.32 mi3.11 mi13759-113916-223916-2213806(Top 52%)3965(Top 35%)3965(Top 81%)
20K12.43 mi3.11 mi13473+2863767+1493767+14912726(Top 48%)3388(Top 30%)3388(Top 69%)
Half13.11 mi0.68 mi13397+763720+473720+4712083(Top 45%)2961(Top 26%)2961(Top 61%)
25K15.53 mi2.42 mi13154+2433583+1373583+13712057(Top 45%)3107(Top 27%)3107(Top 64%)
30K18.64 mi3.11 mi12678+4763361+2223361+22210813(Top 41%)2551(Top 22%)2551(Top 52%)
20M20.00 mi1.36 mi12461+2173248+1133248+11310366(Top 39%)2412(Top 21%)2412(Top 49%)
21M21.00 mi1.00 mi12339+1223198+503198+5010896(Top 41%)2812(Top 25%)2812(Top 58%)
35K21.75 mi0.75 mi12201+1383144+543144+548999(Top 34%)1936(Top 17%)1936(Top 40%)
23M23.00 mi1.25 mi11922+2793011+1333011+1337909(Top 30%)1556(Top 14%)1556(Top 32%)
24M24.00 mi1.00 mi11750+1722922+892922+898453(Top 32%)1872(Top 16%)1872(Top 38%)
40K24.85 mi0.85 mi11611+1392867+552867+558710(Top 33%)2046(Top 18%)2046(Top 42%)
25.2M25.20 mi0.35 mi11541+702843+242843+248489(Top 32%)2040(Top 18%)2040(Top 42%)
Finish26.22 mi1.02 mi11396+1452792+512792+518758(Top 33%)2138(Top 19%)2138(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13806

Females

3965

F18-39

3965

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14234

Females

4195

F18-39

4195

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13806

Females

3965

F18-39

3965

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12726

Females

3388

F18-39

3388

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12083

Females

2961

F18-39

2961

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12057

Females

3107

F18-39

3107

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10813

Females

2551

F18-39

2551

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10366

Females

2412

F18-39

2412

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10896

Females

2812

F18-39

2812

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

8999

Females

1936

F18-39

1936

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7909

Females

1556

F18-39

1556

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8453

Females

1872

F18-39

1872

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8710

Females

2046

F18-39

2046

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8489

Females

2040

F18-39

2040

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8758

Females

2138

F18-39

2138

Passing Analysis

Category:
Athletes Passed
2880
Passed By
914
Net Change
+1966
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13362
5K → 10K147533-386#13362#13748
10K → 15K169180-11#13748#13759
15K → 20K33852+286#13759#13473
20K → Half837+76#13473#13397
Half → 25K28037+243#13397#13154
25K → 30K48812+476#13154#12678
30K → 20M23821+217#12678#12461
20M → 21M15129+122#12461#12339
21M → 35K1402+138#12339#12201
35K → 23M2812+279#12201#11922
23M → 24M1819+172#11922#11750
24M → 40K1489+139#11750#11611
40K → 25.2M744+70#11611#11541
25.2M → Finish16217+145#11541#11396
TOTALS2880914+1966
📊

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