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BOSTON MARATHON 2023

Kristin Knull

Bib: 22790•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:00
Rank: #21640
Start → 5K
29:00 | 9:20/mi
10K· 6.21 mi
58:15
Rank: #21977 (-337)
5K → 10K
29:15 | 9:25/mi
15K· 9.32 mi
1:28:34
Rank: #22322 (-345)
10K → 15K
30:19 | 9:45/mi
20K· 12.43 mi
1:58:07
Rank: #22116 (+206)
15K → 20K
29:33 | 9:31/mi
Half· 13.11 mi
2:04:28
Rank: #22088 (+28)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:27:44
Rank: #21924 (+164)
Half → 25K
23:16 | 9:36/mi
30K· 18.64 mi
3:00:41
Rank: #22041 (-117)
25K → 30K
32:57 | 10:36/mi
20M
3:13:38
Rank: #21815 (+226)
30K → 20M
12:57 | 9:32/mi
21M
3:27:58
Rank: #22183 (-368)
20M → 21M
14:20 | 14:20/mi
35K· 21.75 mi
3:35:05
Rank: #22103 (+80)
21M → 35K
7:07 | 9:31/mi
23M
3:47:48
Rank: #22020 (+83)
35K → 23M
12:43 | 10:09/mi
24M
3:57:23
Rank: #21927 (+93)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
4:09:12
Rank: #22171 (-244)
24M → 40K
11:49 | 13:49/mi
25.2M
4:13:09
Rank: #22159 (+12)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:22:28
Rank: #22059 (+100)
25.2M → Finish
9:19 | 9:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:28
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:18:00
Pace10:32 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5629:009:2029:00
9:20
-
10K
6.21 mi11:54:1158:159:2229:15
9:25
+0:05
15K
9.32 mi12:24:301:28:349:3030:19
9:45
+0:20
20K
12.43 mi12:54:031:58:079:3029:33
9:31
-0:14
Half
13.11 mi13:00:242:04:289:306:21
9:18
-0:13
25K
15.53 mi13:23:402:27:449:3123:16
9:36
+0:18
30K
18.64 mi13:56:373:00:419:4232:57
10:36
+1:00
20M
20.00 mi14:09:343:13:389:4112:57
9:32
-1:04
21M
21.00 mi14:23:543:27:589:5414:20
14:20
+4:48
35K
21.75 mi14:31:013:35:059:537:07
9:31
-4:49
23M
23.00 mi14:43:443:47:489:5412:43
10:09
+0:38
24M
24.00 mi14:53:193:57:239:539:35
9:35
-0:34
40K
24.85 mi15:05:084:09:1210:0211:49
13:49
+4:14
25.2M
25.20 mi15:09:054:13:0910:033:57
11:27
-2:22
Finish
26.22 mi15:18:244:22:2810:019:19
9:09
-2:18

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

9:09 /mi

Average Pace

10:01 /mi

Slowest Pace

14:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:19:25

76% of race

Time at Slower Pace

1:03:03

24% of race

Average Pace: 10:01 /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 mi11:24:5629:009:2029:00
9:20
#21640
10K
6.21 mi11:54:1158:159:2229:15
9:25
#21977
15K
9.32 mi12:24:301:28:349:3030:19
9:45
#22322
20K
12.43 mi12:54:031:58:079:3029:33
9:31
#22116
Half
13.11 mi13:00:242:04:289:306:21
9:18
#22088
25K
15.53 mi13:23:402:27:449:3123:16
9:36
#21924
30K
18.64 mi13:56:373:00:419:4232:57
10:36
#22041
20M
20.00 mi14:09:343:13:389:4112:57
9:32
#21815
21M
21.00 mi14:23:543:27:589:5414:20
14:20
#22183
35K
21.75 mi14:31:013:35:059:537:07
9:31
#22103
23M
23.00 mi14:43:443:47:489:5412:43
10:09
#22020
24M
24.00 mi14:53:193:57:239:539:35
9:35
#21927
40K
24.85 mi15:05:084:09:1210:0211:49
13:49
#22171
25.2M
25.20 mi15:09:054:13:0910:033:57
11:27
#22159
Finish
26.22 mi15:18:244:22:2810:019:19
9:09
#22059
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi216408714871422945(Top 86%)9312(Top 82%)9312(Top 771%)
10K6.21 mi3.10 mi21977-3378843-1298843-12922256(Top 84%)8954(Top 78%)8954(Top 742%)
15K9.32 mi3.11 mi22322-3458999-1568999-15622945(Top 86%)9312(Top 82%)9312(Top 771%)
20K12.43 mi3.11 mi22116+2068892+1078892+10721599(Top 81%)8575(Top 75%)8575(Top 710%)
Half13.11 mi0.68 mi22088+288878+148878+1421576(Top 81%)8562(Top 75%)8562(Top 709%)
25K15.53 mi2.42 mi21924+1648782+968782+9621134(Top 79%)8342(Top 73%)8342(Top 691%)
30K18.64 mi3.11 mi22041-1178857-758857-7522426(Top 84%)9142(Top 80%)9142(Top 757%)
20M20.00 mi1.36 mi21815+2268742+1158742+11518998(Top 71%)7304(Top 64%)7304(Top 605%)
21M21.00 mi1.00 mi22183-3688955-2138955-21325316(Top 95%)10768(Top 94%)10768(Top 892%)
35K21.75 mi0.75 mi22103+808923+328923+3219925(Top 75%)7893(Top 69%)7893(Top 654%)
23M23.00 mi1.25 mi22020+838881+428881+4220466(Top 77%)8214(Top 72%)8214(Top 681%)
24M24.00 mi1.00 mi21927+938836+458836+4519526(Top 73%)7736(Top 68%)7736(Top 641%)
40K24.85 mi0.85 mi22171-2448978-1428978-14225582(Top 96%)10964(Top 96%)10964(Top 908%)
25.2M25.20 mi0.35 mi22159+128981-38981-321490(Top 81%)8856(Top 78%)8856(Top 734%)
Finish26.22 mi1.02 mi22059+1008935+468935+4618692(Top 70%)7285(Top 64%)7285(Top 604%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22945

Females

9312

F50-54

9312

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22256

Females

8954

F50-54

8954

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22945

Females

9312

F50-54

9312

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21599

Females

8575

F50-54

8575

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21576

Females

8562

F50-54

8562

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21134

Females

8342

F50-54

8342

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22426

Females

9142

F50-54

9142

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18998

Females

7304

F50-54

7304

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

25316

Females

10768

F50-54

10768

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19925

Females

7893

F50-54

7893

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20466

Females

8214

F50-54

8214

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19526

Females

7736

F50-54

7736

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25582

Females

10964

F50-54

10964

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21490

Females

8856

F50-54

8856

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18692

Females

7285

F50-54

7285

Passing Analysis

Category:
Athletes Passed
1436
Passed By
1855
Net Change
-419
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21640
5K → 10K135472-337#21640#21977
10K → 15K69414-345#21977#22322
15K → 20K24943+206#22322#22116
20K → Half4416+28#22116#22088
Half → 25K18521+164#22088#21924
25K → 30K108225-117#21924#22041
30K → 20M2282+226#22041#21815
20M → 21M7375-368#21815#22183
21M → 35K833+80#22183#22103
35K → 23M10017+83#22103#22020
23M → 24M963+93#22020#21927
24M → 40K5249-244#21927#22171
40K → 25.2M2513+12#22171#22159
25.2M → Finish1022+100#22159#22059
TOTALS14361855-419
📊

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