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BOSTON MARATHON 2023

Lydia Koh Krienke

Bib: 16573•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
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
25:40
Rank: #15892
Start → 5K
25:40 | 8:16/mi
10K· 6.21 mi
50:05
Rank: #14826 (+1066)
5K → 10K
24:25 | 7:52/mi
15K· 9.32 mi
1:14:43
Rank: #14470 (+356)
10K → 15K
24:38 | 7:56/mi
20K· 12.43 mi
1:39:47
Rank: #14323 (+147)
15K → 20K
25:04 | 8:04/mi
Half· 13.11 mi
1:45:18
Rank: #14344 (-21)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:05:01
Rank: #14261 (+83)
Half → 25K
19:43 | 8:08/mi
30K· 18.64 mi
2:30:43
Rank: #13984 (+277)
25K → 30K
25:42 | 8:16/mi
20M
2:42:11
Rank: #13904 (+80)
30K → 20M
11:28 | 8:26/mi
21M
2:51:01
Rank: #13792 (+112)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:57:02
Rank: #13719 (+73)
21M → 35K
6:01 | 8:03/mi
23M
3:07:38
Rank: #13650 (+69)
35K → 23M
10:36 | 8:28/mi
24M
3:16:00
Rank: #13632 (+18)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:23:21
Rank: #13624 (+8)
24M → 40K
7:21 | 8:36/mi
25.2M
3:26:33
Rank: #13621 (+3)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:35:22
Rank: #13738 (-117)
25.2M → Finish
8:49 | 8:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:18
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:50:04
Pace8:24 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4925:408:1625:40
8:16
-
10K
6.21 mi11:40:1450:058:0424:25
7:52
-0:24
15K
9.32 mi12:04:521:14:438:0124:38
7:56
+0:04
20K
12.43 mi12:29:561:39:478:0225:04
8:04
+0:08
Half
13.11 mi12:35:271:45:188:025:31
8:05
+0:01
25K
15.53 mi12:55:102:05:018:0319:43
8:08
+0:03
30K
18.64 mi13:20:522:30:438:0525:42
8:16
+0:08
20M
20.00 mi13:32:202:42:118:0711:28
8:26
+0:10
21M
21.00 mi13:41:102:51:018:098:50
8:50
+0:24
35K
21.75 mi13:47:112:57:028:086:01
8:03
-0:47
23M
23.00 mi13:57:473:07:388:0910:36
8:28
+0:25
24M
24.00 mi14:06:093:16:008:108:22
8:22
-0:06
40K
24.85 mi14:13:303:23:218:117:21
8:36
+0:14
25.2M
25.20 mi14:16:423:26:338:123:12
9:17
+0:41
Finish
26.22 mi14:25:313:35:228:138:49
8:39
-0:38

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

7:52 /mi

Average Pace

8:13 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:20

94% of race

Time at Steady Pace

8:50

4% of race

Time at Slower Pace

3:12

1% of race

Average Pace: 8:13 /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 mi11:15:4925:408:1625:40
8:16
#15892
10K
6.21 mi11:40:1450:058:0424:25
7:52
#14826
15K
9.32 mi12:04:521:14:438:0124:38
7:56
#14470
20K
12.43 mi12:29:561:39:478:0225:04
8:04
#14323
Half
13.11 mi12:35:271:45:188:025:31
8:05
#14344
25K
15.53 mi12:55:102:05:018:0319:43
8:08
#14261
30K
18.64 mi13:20:522:30:438:0525:42
8:16
#13984
20M
20.00 mi13:32:202:42:118:0711:28
8:26
#13904
21M
21.00 mi13:41:102:51:018:098:50
8:50
#13792
35K
21.75 mi13:47:112:57:028:086:01
8:03
#13719
23M
23.00 mi13:57:473:07:388:0910:36
8:28
#13650
24M
24.00 mi14:06:093:16:008:108:22
8:22
#13632
40K
24.85 mi14:13:303:23:218:117:21
8:36
#13624
25.2M
25.20 mi14:16:423:26:338:123:12
9:17
#13621
Finish
26.22 mi14:25:313:35:228:138:49
8:39
#13738
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi158925210521013821(Top 52%)3980(Top 35%)3980(Top 81%)
10K6.21 mi3.10 mi14826+10664540+6704540+67013654(Top 51%)3828(Top 34%)3828(Top 78%)
15K9.32 mi3.11 mi14470+3564340+2004340+20013821(Top 52%)3980(Top 35%)3980(Top 81%)
20K12.43 mi3.11 mi14323+1474266+744266+7414004(Top 53%)4111(Top 36%)4111(Top 84%)
Half13.11 mi0.68 mi14344-214283-174283-1715058(Top 57%)4703(Top 41%)4703(Top 96%)
25K15.53 mi2.42 mi14261+834263+204263+2013750(Top 52%)4066(Top 36%)4066(Top 83%)
30K18.64 mi3.11 mi13984+2774132+1314132+13112861(Top 48%)3675(Top 32%)3675(Top 75%)
20M20.00 mi1.36 mi13904+804101+314101+3113272(Top 50%)4004(Top 35%)4004(Top 82%)
21M21.00 mi1.00 mi13792+1124052+494052+4912472(Top 47%)3671(Top 32%)3671(Top 75%)
35K21.75 mi0.75 mi13719+734019+334019+3312479(Top 47%)3698(Top 32%)3698(Top 76%)
23M23.00 mi1.25 mi13650+694008+114008+1113017(Top 49%)4080(Top 36%)4080(Top 84%)
24M24.00 mi1.00 mi13632+184022-144022-1413660(Top 51%)4479(Top 39%)4479(Top 92%)
40K24.85 mi0.85 mi13624+84034-124034-1213954(Top 52%)4717(Top 41%)4717(Top 97%)
25.2M25.20 mi0.35 mi13621+34040-64040-614122(Top 53%)4806(Top 42%)4806(Top 98%)
Finish26.22 mi1.02 mi13738-1174133-934133-9316258(Top 61%)5965(Top 52%)5965(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13821

Females

3980

F18-39

3980

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13654

Females

3828

F18-39

3828

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13821

Females

3980

F18-39

3980

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14004

Females

4111

F18-39

4111

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15058

Females

4703

F18-39

4703

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13750

Females

4066

F18-39

4066

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12861

Females

3675

F18-39

3675

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13272

Females

4004

F18-39

4004

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12472

Females

3671

F18-39

3671

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12479

Females

3698

F18-39

3698

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13017

Females

4080

F18-39

4080

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13660

Females

4479

F18-39

4479

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13954

Females

4717

F18-39

4717

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14122

Females

4806

F18-39

4806

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16258

Females

5965

F18-39

5965

Passing Analysis

Category:
Athletes Passed
3022
Passed By
868
Net Change
+2154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15892
5K → 10K111145+1066#15892#14826
10K → 15K41256+356#14826#14470
15K → 20K249102+147#14470#14323
20K → Half2142-21#14323#14344
Half → 25K183100+83#14344#14261
25K → 30K33962+277#14261#13984
30K → 20M13555+80#13984#13904
20M → 21M14634+112#13904#13792
21M → 35K8815+73#13792#13719
35K → 23M12354+69#13719#13650
23M → 24M7557+18#13650#13632
24M → 40K7365+8#13632#13624
40K → 25.2M3229+3#13624#13621
25.2M → Finish35152-117#13621#13738
TOTALS3022868+2154
📊

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