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BOSTON MARATHON 2023

Katalina Schreiber

Bib: 12326•F

MN

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:04
Rank: #24272
Start → 5K
10:19/mi
32:04 split
10K· 6.21 mi
1:02:19
Rank: #23685 (+587)
5K → 10K
9:44/mi
30:15 split
15K· 9.32 mi
1:33:49
Rank: #23739 (-54)
10K → 15K
10:08/mi
31:30 split
20K· 12.43 mi
2:02:20
Rank: #23049 (+690)
15K → 20K
9:11/mi
28:31 split
Half· 13.11 mi
2:08:08
Rank: #22858 (+191)
20K → Half
8:30/mi
5:48 split
25K· 15.53 mi
2:31:51
Rank: #22656 (+202)
Half → 25K
9:47/mi
23:43 split
30K· 18.64 mi
3:03:24
Rank: #22414 (+242)
25K → 30K
10:09/mi
31:33 split
20M
3:18:48
Rank: #22493 (-79)
30K → 20M
11:20/mi
15:24 split
21M
3:28:47
Rank: #22286 (+207)
20M → 21M
9:59/mi
9:59 split
35K· 21.75 mi
3:35:02
Rank: #22099 (+187)
21M → 35K
8:21/mi
6:15 split
23M
3:45:58
Rank: #21821 (+278)
35K → 23M
8:44/mi
10:56 split
24M
3:55:35
Rank: #21735 (+86)
23M → 24M
9:37/mi
9:37 split
40K· 24.85 mi
4:03:46
Rank: #21637 (+98)
24M → 40K
9:34/mi
8:11 split
25.2M
4:07:14
Rank: #21562 (+75)
40K → 25.2M
10:03/mi
3:28 split
Finish· 26.22 mi
4:16:10
Rank: #21409 (+153)
25.2M → Finish
8:46/mi
8:56 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:08:08
Pace9:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:08:02
Pace9:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:4032:0410:1932:04
10:19
-
10K
6.21 mi11:29:551:02:1910:0230:15
9:44
-0:35
15K
9.32 mi12:01:251:33:4910:0431:30
10:08
+0:24
20K
12.43 mi12:29:562:02:209:5128:31
9:11
-0:57
Half
13.11 mi12:35:442:08:089:465:48
8:30
-0:41
25K
15.53 mi12:59:272:31:519:4723:43
9:47
+1:17
30K
18.64 mi13:31:003:03:249:5031:33
10:09
+0:22
20M
20.00 mi13:46:243:18:489:5615:24
11:20
+1:11
21M
21.00 mi13:56:233:28:479:579:59
9:59
-1:21
35K
21.75 mi14:02:383:35:029:536:15
8:21
-1:38
23M
23.00 mi14:13:343:45:589:4910:56
8:44
+0:23
24M
24.00 mi14:23:113:55:359:499:37
9:37
+0:53
40K
24.85 mi14:31:224:03:469:488:11
9:34
-0:03
25.2M
25.20 mi14:34:504:07:149:493:28
10:03
+0:29
Finish
26.22 mi14:43:464:16:109:478:56
8:46
-1:17

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

8:21 /mi

Average Pace

9:47 /mi

Slowest Pace

11:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:26

24% of race

Time at Steady Pace

1:25:13

33% of race

Time at Slower Pace

1:50:31

43% of race

Average Pace: 9:46 /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 mi10:59:4032:0410:1932:04
10:19
#24272
10K
6.21 mi11:29:551:02:1910:0230:15
9:44
#23685
15K
9.32 mi12:01:251:33:4910:0431:30
10:08
#23739
20K
12.43 mi12:29:562:02:209:5128:31
9:11
#23049
Half
13.11 mi12:35:442:08:089:465:48
8:30
#22858
25K
15.53 mi12:59:272:31:519:4723:43
9:47
#22656
30K
18.64 mi13:31:003:03:249:5031:33
10:09
#22414
20M
20.00 mi13:46:243:18:489:5615:24
11:20
#22493
21M
21.00 mi13:56:233:28:479:579:59
9:59
#22286
35K
21.75 mi14:02:383:35:029:536:15
8:21
#22099
23M
23.00 mi14:13:343:45:589:4910:56
8:44
#21821
24M
24.00 mi14:23:113:55:359:499:37
9:37
#21735
40K
24.85 mi14:31:224:03:469:488:11
9:34
#21637
25.2M
25.20 mi14:34:504:07:149:493:28
10:03
#21562
Finish
26.22 mi14:43:464:16:109:478:56
8:46
#21409
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24272100211002123765(Top 89%)9759(Top 85%)9759(Top 200%)
10K6.21 mi3.10 mi23685+5879721+3009721+30023129(Top 87%)9401(Top 82%)9401(Top 192%)
15K9.32 mi3.11 mi23739-549745-249745-2423765(Top 89%)9759(Top 85%)9759(Top 200%)
20K12.43 mi3.11 mi23049+6909371+3749371+37420492(Top 77%)7956(Top 70%)7956(Top 163%)
Half13.11 mi0.68 mi22858+1919274+979274+9717793(Top 67%)6371(Top 56%)6371(Top 130%)
25K15.53 mi2.42 mi22656+2029183+919183+9121691(Top 81%)8666(Top 76%)8666(Top 177%)
30K18.64 mi3.11 mi22414+2429070+1139070+11321434(Top 81%)8594(Top 75%)8594(Top 176%)
20M20.00 mi1.36 mi22493-799131-619131-6123240(Top 87%)9646(Top 84%)9646(Top 198%)
21M21.00 mi1.00 mi22286+2079015+1169015+11618005(Top 68%)6770(Top 59%)6770(Top 139%)
35K21.75 mi0.75 mi22099+1878920+958920+9514508(Top 54%)4860(Top 43%)4860(Top 100%)
23M23.00 mi1.25 mi21821+2788774+1468774+14614626(Top 55%)4979(Top 44%)4979(Top 102%)
24M24.00 mi1.00 mi21735+868741+338741+3319658(Top 74%)7793(Top 68%)7793(Top 160%)
40K24.85 mi0.85 mi21637+988696+458696+4518602(Top 70%)7282(Top 64%)7282(Top 149%)
25.2M25.20 mi0.35 mi21562+758666+308666+3017688(Top 66%)6815(Top 60%)6815(Top 140%)
Finish26.22 mi1.02 mi21409+1538594+728594+7216892(Top 63%)6324(Top 55%)6324(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23765

Females

9759

F18-39

9759

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23129

Females

9401

F18-39

9401

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23765

Females

9759

F18-39

9759

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20492

Females

7956

F18-39

7956

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

17793

Females

6371

F18-39

6371

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21691

Females

8666

F18-39

8666

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21434

Females

8594

F18-39

8594

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23240

Females

9646

F18-39

9646

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18005

Females

6770

F18-39

6770

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14508

Females

4860

F18-39

4860

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14626

Females

4979

F18-39

4979

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19658

Females

7793

F18-39

7793

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18602

Females

7282

F18-39

7282

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17688

Females

6815

F18-39

6815

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16892

Females

6324

F18-39

6324

Passing Analysis

Category:
Athletes Passed
3226
Passed By
363
Net Change
+2863
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24272
5K → 10K62740+587#24272#23685
10K → 15K103157-54#23685#23739
15K → 20K6922+690#23739#23049
20K → Half1910+191#23049#22858
Half → 25K21513+202#22858#22656
25K → 30K26422+242#22656#22414
30K → 20M36115-79#22414#22493
20M → 21M2081+207#22493#22286
21M → 35K1870+187#22286#22099
35K → 23M2780+278#22099#21821
23M → 24M937+86#21821#21735
24M → 40K1024+98#21735#21637
40K → 25.2M750+75#21637#21562
25.2M → Finish1552+153#21562#21409
TOTALS3226363+2863
📊

Passing Visuals

Category:
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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