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BOSTON MARATHON 2023

Kristen Johns

Bib: 17185•F

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0:00
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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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:34/mi
26:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
52:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:18:55
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:45:57
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:51:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:13:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:53/mi
2:44:14
↑ 181↓ 1480.2%
20M
9:41/mi
2:57:23
↑ 64↓ 500.2%
21M
10:30/mi
3:07:53
↑ 106↓ 241.6%
35K· 21.75 mi
9:31/mi
3:15:00
↑ 17↓ 861.7%
23M
9:14/mi
3:26:34
↑ 23↓ 630.6%
24M
9:05/mi
3:35:39
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:43:09
↓ 200.3%
25.2M
9:28/mi
3:46:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:14/mi
3:54:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:57
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:02:51
Pace9:22 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2226:378:3426:37
8:34
-
10K
6.21 mi11:43:2952:448:2926:07
8:24
-0:10
15K
9.32 mi12:09:401:18:558:2826:11
8:26
+0:02
20K
12.43 mi12:36:421:45:578:3227:02
8:42
+0:16
Half
13.11 mi12:42:421:51:578:326:00
8:48
+0:06
25K
15.53 mi13:04:182:13:338:3621:36
8:55
+0:07
30K
18.64 mi13:34:592:44:148:4930:41
9:53
+0:58
20M
20.00 mi13:48:082:57:238:5213:09
9:41
-0:12
21M
21.00 mi13:58:383:07:538:5710:30
10:30
+0:49
35K
21.75 mi14:05:453:15:008:587:07
9:31
-0:59
23M
23.00 mi14:17:193:26:348:5911:34
9:14
-0:17
24M
24.00 mi14:26:243:35:398:599:05
9:05
-0:09
40K
24.85 mi14:33:543:43:098:597:30
8:46
-0:19
25.2M
25.20 mi14:37:103:46:258:593:16
9:28
+0:42
Finish
26.22 mi14:45:333:54:488:588:23
8:14
-1:14

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

8:14 /mi

Average Pace

8:58 /mi

Slowest Pace

10:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:18

37% of race

Time at Steady Pace

1:11:13

30% of race

Time at Slower Pace

1:16:17

32% of race

Average Pace: 8:57 /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 mi11:17:2226:378:3426:37
8:34
#18034
10K
6.21 mi11:43:2952:448:2926:07
8:24
#17830
15K
9.32 mi12:09:401:18:558:2826:11
8:26
#17636
20K
12.43 mi12:36:421:45:578:3227:02
8:42
#17734
Half
13.11 mi12:42:421:51:578:326:00
8:48
#17828
25K
15.53 mi13:04:182:13:338:3621:36
8:55
#17933
30K
18.64 mi13:34:592:44:148:4930:41
9:53
#18649
20M
20.00 mi13:48:082:57:238:5213:09
9:41
#18731
21M
21.00 mi13:58:383:07:538:5710:30
10:30
#18784
35K
21.75 mi14:05:453:15:008:587:07
9:31
#18855
23M
23.00 mi14:17:193:26:348:5911:34
9:14
#18734
24M
24.00 mi14:26:243:35:398:599:05
9:05
#18678
40K
24.85 mi14:33:543:43:098:597:30
8:46
#18541
25.2M
25.20 mi14:37:103:46:258:593:16
9:28
#18485
Finish
26.22 mi14:45:333:54:488:588:23
8:14
#18338
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi180346581658117329(Top 65%)6123(Top 54%)6123(Top 125%)
10K6.21 mi3.10 mi17830+2046422+1596422+15917632(Top 66%)6262(Top 55%)6262(Top 128%)
15K9.32 mi3.11 mi17636+1946297+1256297+12517329(Top 65%)6123(Top 54%)6123(Top 125%)
20K12.43 mi3.11 mi17734-986365-686365-6818141(Top 68%)6588(Top 58%)6588(Top 135%)
Half13.11 mi0.68 mi17828-946419-546419-5419474(Top 73%)7352(Top 64%)7352(Top 151%)
25K15.53 mi2.42 mi17933-1056500-816500-8118508(Top 70%)6851(Top 60%)6851(Top 140%)
30K18.64 mi3.11 mi18649-7166943-4436943-44320690(Top 78%)8162(Top 71%)8162(Top 167%)
20M20.00 mi1.36 mi18731-827000-577000-5719503(Top 73%)7571(Top 66%)7571(Top 155%)
21M21.00 mi1.00 mi18784-537045-457045-4519606(Top 74%)7704(Top 67%)7704(Top 158%)
35K21.75 mi0.75 mi18855-717090-457090-4519895(Top 75%)7863(Top 69%)7863(Top 161%)
23M23.00 mi1.25 mi18734+1217037+537037+5317256(Top 65%)6432(Top 56%)6432(Top 132%)
24M24.00 mi1.00 mi18678+567011+267011+2617619(Top 66%)6703(Top 59%)6703(Top 137%)
40K24.85 mi0.85 mi18541+1376942+696942+6914987(Top 56%)5302(Top 46%)5302(Top 109%)
25.2M25.20 mi0.35 mi18485+566916+266916+2615165(Top 57%)5419(Top 47%)5419(Top 111%)
Finish26.22 mi1.02 mi18338+1476844+726844+7213670(Top 51%)4576(Top 40%)4576(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17329

Females

6123

F18-39

6123

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17632

Females

6262

F18-39

6262

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17329

Females

6123

F18-39

6123

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

18141

Females

6588

F18-39

6588

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19474

Females

7352

F18-39

7352

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18508

Females

6851

F18-39

6851

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

20690

Females

8162

F18-39

8162

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19503

Females

7571

F18-39

7571

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19606

Females

7704

F18-39

7704

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19895

Females

7863

F18-39

7863

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17256

Females

6432

F18-39

6432

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17619

Females

6703

F18-39

6703

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14987

Females

5302

F18-39

5302

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15165

Females

5419

F18-39

5419

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13670

Females

4576

F18-39

4576

Passing Analysis

Category:
Athletes Passed
1769
Passed By
2073
Net Change
-304
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18034
5K → 10K426222+204#18034#17830
10K → 15K305111+194#17830#17636
15K → 20K136234-98#17636#17734
20K → Half7101-94#17734#17828
Half → 25K106211-105#17828#17933
25K → 30K43759-716#17933#18649
30K → 20M61143-82#18649#18731
20M → 21M71124-53#18731#18784
21M → 35K30101-71#18784#18855
35K → 23M14322+121#18855#18734
23M → 24M8529+56#18734#18678
24M → 40K1414+137#18678#18541
40K → 25.2M604+56#18541#18485
25.2M → Finish1558+147#18485#18338
TOTALS17692073-304
📊

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