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BOSTON MARATHON 2023

Katherine Lobben

Bib: 29540•F

MA

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
35:05
Rank: #26017
Start → 5K
35:05 | 11:18/mi
10K· 6.21 mi
1:07:13
Rank: #25299 (+718)
5K → 10K
32:08 | 10:21/mi
15K· 9.32 mi
1:40:11
Rank: #25068 (+231)
10K → 15K
32:58 | 10:37/mi
20K· 12.43 mi
2:14:10
Rank: #24917 (+151)
15K → 20K
33:59 | 10:56/mi
Half· 13.11 mi
2:21:08
Rank: #24864 (+53)
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:47:15
Rank: #24657 (+207)
Half → 25K
26:07 | 10:46/mi
30K· 18.64 mi
3:23:00
Rank: #24509 (+148)
25K → 30K
35:45 | 11:30/mi
20M
3:38:38
Rank: #24429 (+80)
30K → 20M
15:38 | 11:30/mi
21M
3:51:08
Rank: #24373 (+56)
20M → 21M
12:30 | 12:30/mi
35K· 21.75 mi
3:59:51
Rank: #24366 (+7)
21M → 35K
8:43 | 11:39/mi
23M
4:14:11
Rank: #24310 (+56)
35K → 23M
14:20 | 11:27/mi
24M
4:24:40
Rank: #24234 (+76)
23M → 24M
10:29 | 10:29/mi
40K· 24.85 mi
4:34:31
Rank: #24195 (+39)
24M → 40K
9:51 | 11:31/mi
25.2M
4:38:50
Rank: #24181 (+14)
40K → 25.2M
4:19 | 12:31/mi
Finish· 26.22 mi
4:48:23
Rank: #24074 (+107)
25.2M → Finish
9:33 | 9:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:08
Pace10:46 /mi
2nd Half
Distance13.11 mi
Time2:27:15
Pace11:14 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4135:0511:1835:05
11:18
-
10K
6.21 mi12:27:491:07:1310:4932:08
10:21
-0:57
15K
9.32 mi13:00:471:40:1110:4532:58
10:37
+0:16
20K
12.43 mi13:34:462:14:1010:4833:59
10:56
+0:19
Half
13.11 mi13:41:442:21:0810:466:58
10:13
-0:43
25K
15.53 mi14:07:512:47:1510:4626:07
10:46
+0:33
30K
18.64 mi14:43:363:23:0010:5335:45
11:30
+0:44
20M
20.00 mi14:59:143:38:3810:5615:38
11:30
0:00
21M
21.00 mi15:11:443:51:0811:0012:30
12:30
+1:00
35K
21.75 mi15:20:273:59:5111:028:43
11:39
-0:51
23M
23.00 mi15:34:474:14:1111:0314:20
11:27
-0:12
24M
24.00 mi15:45:164:24:4011:0210:29
10:29
-0:58
40K
24.85 mi15:55:074:34:3111:039:51
11:31
+1:02
25.2M
25.20 mi15:59:264:38:5011:044:19
12:31
+1:00
Finish
26.22 mi16:08:594:48:2311:009:33
9:22
-3:09

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

9:22 /mi

Average Pace

11:00 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:13

41% of race

Time at Steady Pace

2:33:21

53% of race

Time at Slower Pace

16:49

6% of race

Average Pace: 11:00 /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 mi11:55:4135:0511:1835:05
11:18
#26017
10K
6.21 mi12:27:491:07:1310:4932:08
10:21
#25299
15K
9.32 mi13:00:471:40:1110:4532:58
10:37
#25068
20K
12.43 mi13:34:462:14:1010:4833:59
10:56
#24917
Half
13.11 mi13:41:442:21:0810:466:58
10:13
#24864
25K
15.53 mi14:07:512:47:1510:4626:07
10:46
#24657
30K
18.64 mi14:43:363:23:0010:5335:45
11:30
#24509
20M
20.00 mi14:59:143:38:3810:5615:38
11:30
#24429
21M
21.00 mi15:11:443:51:0811:0012:30
12:30
#24373
35K
21.75 mi15:20:273:59:5111:028:43
11:39
#24366
23M
23.00 mi15:34:474:14:1111:0314:20
11:27
#24310
24M
24.00 mi15:45:164:24:4011:0210:29
10:29
#24234
40K
24.85 mi15:55:074:34:3111:039:51
11:31
#24195
25.2M
25.20 mi15:59:264:38:5011:044:19
12:31
#24181
Finish
26.22 mi16:08:594:48:2311:009:33
9:22
#24074
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26017110571105724656(Top 93%)10265(Top 90%)10265(Top 210%)
10K6.21 mi3.10 mi25299+71810596+46110596+46124385(Top 92%)10108(Top 88%)10108(Top 207%)
15K9.32 mi3.11 mi25068+23110476+12010476+12024656(Top 93%)10265(Top 90%)10265(Top 210%)
20K12.43 mi3.11 mi24917+15110411+6510411+6524537(Top 92%)10221(Top 89%)10221(Top 209%)
Half13.11 mi0.68 mi24864+5310380+3110380+3123705(Top 89%)9747(Top 85%)9747(Top 200%)
25K15.53 mi2.42 mi24657+20710281+9910281+9923627(Top 89%)9749(Top 85%)9749(Top 200%)
30K18.64 mi3.11 mi24509+14810209+7210209+7223882(Top 90%)9954(Top 87%)9954(Top 204%)
20M20.00 mi1.36 mi24429+8010177+3210177+3223529(Top 88%)9806(Top 86%)9806(Top 201%)
21M21.00 mi1.00 mi24373+5610150+2710150+2723462(Top 88%)9791(Top 86%)9791(Top 200%)
35K21.75 mi0.75 mi24366+710155-510155-524290(Top 91%)10279(Top 90%)10279(Top 210%)
23M23.00 mi1.25 mi24310+5610134+2110134+2123167(Top 87%)9678(Top 85%)9678(Top 198%)
24M24.00 mi1.00 mi24234+7610099+3510099+3522022(Top 83%)9115(Top 80%)9115(Top 187%)
40K24.85 mi0.85 mi24195+3910084+1510084+1523248(Top 87%)9798(Top 86%)9798(Top 201%)
25.2M25.20 mi0.35 mi24181+1410081+310081+323339(Top 88%)9852(Top 86%)9852(Top 202%)
Finish26.22 mi1.02 mi24074+10710025+5610025+5619691(Top 74%)7837(Top 69%)7837(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24656

Females

10265

F18-39

10265

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24385

Females

10108

F18-39

10108

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24656

Females

10265

F18-39

10265

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24537

Females

10221

F18-39

10221

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23705

Females

9747

F18-39

9747

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23627

Females

9749

F18-39

9749

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23882

Females

9954

F18-39

9954

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23529

Females

9806

F18-39

9806

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23462

Females

9791

F18-39

9791

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24290

Females

10279

F18-39

10279

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23167

Females

9678

F18-39

9678

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22022

Females

9115

F18-39

9115

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23248

Females

9798

F18-39

9798

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23339

Females

9852

F18-39

9852

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19691

Females

7837

F18-39

7837

Passing Analysis

Category:
Athletes Passed
2126
Passed By
183
Net Change
+1943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26017
5K → 10K7224+718#26017#25299
10K → 15K25827+231#25299#25068
15K → 20K18433+151#25068#24917
20K → Half530+53#24917#24864
Half → 25K2136+207#24864#24657
25K → 30K17729+148#24657#24509
30K → 20M9111+80#24509#24429
20M → 21M7115+56#24429#24373
21M → 35K3326+7#24373#24366
35K → 23M6711+56#24366#24310
23M → 24M782+76#24310#24234
24M → 40K478+39#24234#24195
40K → 25.2M239+14#24195#24181
25.2M → Finish1092+107#24181#24074
TOTALS2126183+1943
📊

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