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BOSTON MARATHON 2023

Hannah Koch

Bib: 14218•F

NC

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
25:16
Rank: #14956
Start → 5K
25:16 | 8:08/mi
10K· 6.21 mi
50:42
Rank: #15531 (-575)
5K → 10K
25:26 | 8:11/mi
15K· 9.32 mi
1:16:25
Rank: #15819 (-288)
10K → 15K
25:43 | 8:17/mi
20K· 12.43 mi
1:41:17
Rank: #15250 (+569)
15K → 20K
24:52 | 8:00/mi
Half· 13.11 mi
1:46:32
Rank: #15064 (+186)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
2:05:25
Rank: #14456 (+608)
Half → 25K
18:53 | 7:47/mi
30K· 18.64 mi
2:30:06
Rank: #13697 (+759)
25K → 30K
24:41 | 7:57/mi
20M
2:40:54
Rank: #13377 (+320)
30K → 20M
10:48 | 7:57/mi
21M
2:48:59
Rank: #13035 (+342)
20M → 21M
8:05 | 8:05/mi
35K· 21.75 mi
2:54:21
Rank: #12759 (+276)
21M → 35K
5:22 | 7:10/mi
23M
3:03:43
Rank: #12349 (+410)
35K → 23M
9:22 | 7:29/mi
24M
3:10:53
Rank: #12015 (+334)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
3:17:18
Rank: #11783 (+232)
24M → 40K
6:25 | 7:30/mi
25.2M
3:20:01
Rank: #11674 (+109)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:27:14
Rank: #11372 (+302)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:32
Pace8:08 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:42
Pace7:41 /mi
📊Negative Split: 5.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0025:168:0825:16
8:08
-
10K
6.21 mi11:22:2650:428:1025:26
8:11
+0:03
15K
9.32 mi11:48:091:16:258:1225:43
8:17
+0:06
20K
12.43 mi12:13:011:41:178:0924:52
8:00
-0:17
Half
13.11 mi12:18:161:46:328:085:15
7:42
-0:18
25K
15.53 mi12:37:092:05:258:0418:53
7:47
+0:05
30K
18.64 mi13:01:502:30:068:0324:41
7:57
+0:10
20M
20.00 mi13:12:382:40:548:0310:48
7:57
0:00
21M
21.00 mi13:20:432:48:598:038:05
8:05
+0:08
35K
21.75 mi13:26:052:54:218:015:22
7:10
-0:55
23M
23.00 mi13:35:273:03:437:599:22
7:29
+0:19
24M
24.00 mi13:42:373:10:537:577:10
7:10
-0:19
40K
24.85 mi13:49:023:17:187:566:25
7:30
+0:20
25.2M
25.20 mi13:51:453:20:017:562:43
7:53
+0:23
Finish
26.22 mi13:58:583:27:147:557:13
7:05
-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

7:05 /mi

Average Pace

7:55 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:40

29% of race

Time at Steady Pace

2:27:34

71% 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 mi10:57:0025:168:0825:16
8:08
#14956
10K
6.21 mi11:22:2650:428:1025:26
8:11
#15531
15K
9.32 mi11:48:091:16:258:1225:43
8:17
#15819
20K
12.43 mi12:13:011:41:178:0924:52
8:00
#15250
Half
13.11 mi12:18:161:46:328:085:15
7:42
#15064
25K
15.53 mi12:37:092:05:258:0418:53
7:47
#14456
30K
18.64 mi13:01:502:30:068:0324:41
7:57
#13697
20M
20.00 mi13:12:382:40:548:0310:48
7:57
#13377
21M
21.00 mi13:20:432:48:598:038:05
8:05
#13035
35K
21.75 mi13:26:052:54:218:015:22
7:10
#12759
23M
23.00 mi13:35:273:03:437:599:22
7:29
#12349
24M
24.00 mi13:42:373:10:537:577:10
7:10
#12015
40K
24.85 mi13:49:023:17:187:566:25
7:30
#11783
25.2M
25.20 mi13:51:453:20:017:562:43
7:53
#11674
Finish
26.22 mi13:58:583:27:147:557:13
7:05
#11372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149564609460916390(Top 62%)5522(Top 48%)5522(Top 113%)
10K6.21 mi3.10 mi15531-5754985-3764985-37616145(Top 61%)5360(Top 47%)5360(Top 110%)
15K9.32 mi3.11 mi15819-2885165-1805165-18016390(Top 62%)5522(Top 48%)5522(Top 113%)
20K12.43 mi3.11 mi15250+5694838+3274838+32713461(Top 51%)3794(Top 33%)3794(Top 78%)
Half13.11 mi0.68 mi15064+1864724+1144724+11411900(Top 45%)2852(Top 25%)2852(Top 58%)
25K15.53 mi2.42 mi14456+6084373+3514373+35111020(Top 41%)2497(Top 22%)2497(Top 51%)
30K18.64 mi3.11 mi13697+7593954+4193954+41910486(Top 39%)2384(Top 21%)2384(Top 49%)
20M20.00 mi1.36 mi13377+3203784+1703784+1709919(Top 37%)2199(Top 19%)2199(Top 45%)
21M21.00 mi1.00 mi13035+3423605+1793605+1797953(Top 30%)1512(Top 13%)1512(Top 31%)
35K21.75 mi0.75 mi12759+2763461+1443461+1446434(Top 24%)913(Top 8%)913(Top 19%)
23M23.00 mi1.25 mi12349+4103253+2083253+2086347(Top 24%)943(Top 8%)943(Top 19%)
24M24.00 mi1.00 mi12015+3343086+1673086+1675605(Top 21%)764(Top 7%)764(Top 16%)
40K24.85 mi0.85 mi11783+2322970+1162970+1166812(Top 26%)1297(Top 11%)1297(Top 27%)
25.2M25.20 mi0.35 mi11674+1092916+542916+545926(Top 22%)1057(Top 9%)1057(Top 22%)
Finish26.22 mi1.02 mi11372+3022779+1372779+1375764(Top 22%)1000(Top 9%)1000(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16390

Females

5522

F18-39

5522

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16145

Females

5360

F18-39

5360

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16390

Females

5522

F18-39

5522

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13461

Females

3794

F18-39

3794

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11900

Females

2852

F18-39

2852

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11020

Females

2497

F18-39

2497

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10486

Females

2384

F18-39

2384

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9919

Females

2199

F18-39

2199

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7953

Females

1512

F18-39

1512

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6434

Females

913

F18-39

913

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6347

Females

943

F18-39

943

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5605

Females

764

F18-39

764

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6812

Females

1297

F18-39

1297

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5926

Females

1057

F18-39

1057

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5764

Females

1000

F18-39

1000

Passing Analysis

Category:
Athletes Passed
4664
Passed By
1080
Net Change
+3584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14956
5K → 10K101676-575#14956#15531
10K → 15K94382-288#15531#15819
15K → 20K58314+569#15819#15250
20K → Half1882+186#15250#15064
Half → 25K6080+608#15064#14456
25K → 30K7601+759#14456#13697
30K → 20M3233+320#13697#13377
20M → 21M3420+342#13377#13035
21M → 35K2760+276#13035#12759
35K → 23M4122+410#12759#12349
23M → 24M3340+334#12349#12015
24M → 40K2320+232#12015#11783
40K → 25.2M1090+109#11783#11674
25.2M → Finish3020+302#11674#11372
TOTALS46641080+3584
📊

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