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BOSTON MARATHON 2023

Nina Schels

Bib: 11181•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:54
Rank: #8611
Start → 5K
22:54 | 7:22/mi
10K· 6.21 mi
45:52
Rank: #9044 (-433)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:00
Rank: #9210 (-166)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:32:27
Rank: #9322 (-112)
15K → 20K
23:27 | 7:33/mi
Half· 13.11 mi
1:37:21
Rank: #9220 (+102)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:56:00
Rank: #9374 (-154)
Half → 25K
18:39 | 7:42/mi
30K· 18.64 mi
2:20:30
Rank: #9460 (-86)
25K → 30K
24:30 | 7:53/mi
20M
2:31:15
Rank: #9471 (-11)
30K → 20M
10:45 | 7:55/mi
21M
2:39:28
Rank: #9374 (+97)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:44:59
Rank: #9291 (+83)
21M → 35K
5:31 | 7:22/mi
23M
2:54:42
Rank: #9203 (+88)
35K → 23M
9:43 | 7:46/mi
24M
3:02:11
Rank: #9106 (+97)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
3:08:43
Rank: #9025 (+81)
24M → 40K
6:32 | 7:38/mi
25.2M
3:11:34
Rank: #8989 (+36)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:19:05
Rank: #8915 (+74)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:21
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3222:547:2222:54
7:22
-
10K
6.21 mi11:12:3045:527:2322:58
7:24
+0:02
15K
9.32 mi11:35:381:09:007:2423:08
7:27
+0:03
20K
12.43 mi11:59:051:32:277:2623:27
7:33
+0:06
Half
13.11 mi12:03:591:37:217:264:54
7:11
-0:22
25K
15.53 mi12:22:381:56:007:2818:39
7:42
+0:31
30K
18.64 mi12:47:082:20:307:3224:30
7:53
+0:11
20M
20.00 mi12:57:532:31:157:3410:45
7:55
+0:02
21M
21.00 mi13:06:062:39:287:368:13
8:13
+0:18
35K
21.75 mi13:11:372:44:597:355:31
7:22
-0:51
23M
23.00 mi13:21:202:54:427:369:43
7:46
+0:24
24M
24.00 mi13:28:493:02:117:357:29
7:29
-0:17
40K
24.85 mi13:35:213:08:437:366:32
7:38
+0:09
25.2M
25.20 mi13:38:123:11:347:362:51
8:16
+0:38
Finish
26.22 mi13:45:433:19:057:367:31
7:23
-0:53

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

7:11 /mi

Average Pace

7:36 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:16

89% of race

Time at Steady Pace

21:49

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:49:3222:547:2222:54
7:22
#8611
10K
6.21 mi11:12:3045:527:2322:58
7:24
#9044
15K
9.32 mi11:35:381:09:007:2423:08
7:27
#9210
20K
12.43 mi11:59:051:32:277:2623:27
7:33
#9322
Half
13.11 mi12:03:591:37:217:264:54
7:11
#9220
25K
15.53 mi12:22:381:56:007:2818:39
7:42
#9374
30K
18.64 mi12:47:082:20:307:3224:30
7:53
#9460
20M
20.00 mi12:57:532:31:157:3410:45
7:55
#9471
21M
21.00 mi13:06:062:39:287:368:13
8:13
#9374
35K
21.75 mi13:11:372:44:597:355:31
7:22
#9291
23M
23.00 mi13:21:202:54:427:369:43
7:46
#9203
24M
24.00 mi13:28:493:02:117:357:29
7:29
#9106
40K
24.85 mi13:35:213:08:437:366:32
7:38
#9025
25.2M
25.20 mi13:38:123:11:347:362:51
8:16
#8989
Finish
26.22 mi13:45:433:19:057:367:31
7:23
#8915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8611124112419742(Top 37%)1723(Top 15%)1723(Top 35%)
10K6.21 mi3.10 mi9044-4331439-1981439-1989562(Top 36%)1643(Top 14%)1643(Top 34%)
15K9.32 mi3.11 mi9210-1661506-671506-679742(Top 37%)1723(Top 15%)1723(Top 35%)
20K12.43 mi3.11 mi9322-1121568-621568-629702(Top 36%)1783(Top 16%)1783(Top 37%)
Half13.11 mi0.68 mi9220+1021528+401528+407814(Top 29%)1034(Top 9%)1034(Top 21%)
25K15.53 mi2.42 mi9374-1541595-671595-6710237(Top 38%)2100(Top 18%)2100(Top 43%)
30K18.64 mi3.11 mi9460-861671-761671-7610025(Top 38%)2170(Top 19%)2170(Top 44%)
20M20.00 mi1.36 mi9471-111694-231694-239644(Top 36%)2079(Top 18%)2079(Top 43%)
21M21.00 mi1.00 mi9374+971682+121682+128715(Top 33%)1800(Top 16%)1800(Top 37%)
35K21.75 mi0.75 mi9291+831667+151667+157686(Top 29%)1380(Top 12%)1380(Top 28%)
23M23.00 mi1.25 mi9203+881657+101657+108165(Top 31%)1655(Top 14%)1655(Top 34%)
24M24.00 mi1.00 mi9106+971637+201637+207621(Top 29%)1526(Top 13%)1526(Top 31%)
40K24.85 mi0.85 mi9025+811618+191618+197593(Top 29%)1600(Top 14%)1600(Top 33%)
25.2M25.20 mi0.35 mi8989+361614+41614+48149(Top 31%)1876(Top 16%)1876(Top 38%)
Finish26.22 mi1.02 mi8915+741606+81606+87653(Top 29%)1682(Top 15%)1682(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9742

Females

1723

F18-39

1723

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9562

Females

1643

F18-39

1643

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9742

Females

1723

F18-39

1723

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9702

Females

1783

F18-39

1783

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7814

Females

1034

F18-39

1034

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10237

Females

2100

F18-39

2100

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10025

Females

2170

F18-39

2170

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9644

Females

2079

F18-39

2079

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8715

Females

1800

F18-39

1800

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7686

Females

1380

F18-39

1380

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8165

Females

1655

F18-39

1655

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7621

Females

1526

F18-39

1526

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7593

Females

1600

F18-39

1600

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8149

Females

1876

F18-39

1876

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7653

Females

1682

F18-39

1682

Passing Analysis

Category:
Athletes Passed
1397*
Passed By
1701
Net Change
-304
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8611
5K → 10K114547-433#8611#9044
10K → 15K87253-166#9044#9210
15K → 20K103215-112#9210#9322
20K → Half1031+102#9322#9220
Half → 25K67221-154#9220#9374
25K → 30K147*233-86#9374#9460
30K → 20M8596-11#9460#9471
20M → 21M12831+97#9471#9374
21M → 35K9411+83#9374#9291
35K → 23M12234+88#9291#9203
23M → 24M10912+97#9203#9106
24M → 40K9413+81#9106#9025
40K → 25.2M4812+36#9025#8989
25.2M → Finish9622+74#8989#8915
TOTALS1397*1701-304

* 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