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BOSTON MARATHON 2023

Kelly Turkstra

Bib: 22716•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:57
Rank: #18728
Start → 5K
26:57 | 8:40/mi
10K· 6.21 mi
54:07
Rank: #19160 (-432)
5K → 10K
27:10 | 8:45/mi
15K· 9.32 mi
1:21:23
Rank: #19220 (-60)
10K → 15K
27:16 | 8:47/mi
20K· 12.43 mi
1:48:52
Rank: #19116 (+104)
15K → 20K
27:29 | 8:51/mi
Half· 13.11 mi
1:54:47
Rank: #19102 (+14)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:16:27
Rank: #19008 (+94)
Half → 25K
21:40 | 8:56/mi
30K· 18.64 mi
2:45:23
Rank: #18964 (+44)
25K → 30K
28:56 | 9:19/mi
20M
2:58:24
Rank: #18974 (-10)
30K → 20M
13:01 | 9:35/mi
21M
3:08:40
Rank: #18982 (-8)
20M → 21M
10:16 | 10:16/mi
35K· 21.75 mi
3:15:41
Rank: #18996 (-14)
21M → 35K
7:01 | 9:23/mi
23M
3:27:56
Rank: #19033 (-37)
35K → 23M
12:15 | 9:47/mi
24M
3:37:17
Rank: #19022 (+11)
23M → 24M
9:21 | 9:21/mi
40K· 24.85 mi
3:45:40
Rank: #19039 (-17)
24M → 40K
8:23 | 9:48/mi
25.2M
3:49:15
Rank: #19049 (-10)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:58:55
Rank: #19118 (-69)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:47
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:04:08
Pace9:28 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4626:578:4026:57
8:40
-
10K
6.21 mi11:47:5654:078:4327:10
8:45
+0:05
15K
9.32 mi12:15:121:21:238:4427:16
8:47
+0:02
20K
12.43 mi12:42:411:48:528:4627:29
8:51
+0:04
Half
13.11 mi12:48:361:54:478:455:55
8:40
-0:11
25K
15.53 mi13:10:162:16:278:4721:40
8:56
+0:16
30K
18.64 mi13:39:122:45:238:5228:56
9:19
+0:23
20M
20.00 mi13:52:132:58:248:5513:01
9:35
+0:16
21M
21.00 mi14:02:293:08:408:5910:16
10:16
+0:41
35K
21.75 mi14:09:303:15:419:007:01
9:23
-0:53
23M
23.00 mi14:21:453:27:569:0212:15
9:47
+0:24
24M
24.00 mi14:31:063:37:179:039:21
9:21
-0:26
40K
24.85 mi14:39:293:45:409:058:23
9:48
+0:27
25.2M
25.20 mi14:43:043:49:159:063:35
10:23
+0:35
Finish
26.22 mi14:52:443:58:559:079:40
9:29
-0:54

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

8:40 /mi

Average Pace

9:07 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:25

80% of race

Time at Steady Pace

33:39

14% of race

Time at Slower Pace

13:51

6% of race

Average Pace: 9:07 /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 mi11:20:4626:578:4026:57
8:40
#18728
10K
6.21 mi11:47:5654:078:4327:10
8:45
#19160
15K
9.32 mi12:15:121:21:238:4427:16
8:47
#19220
20K
12.43 mi12:42:411:48:528:4627:29
8:51
#19116
Half
13.11 mi12:48:361:54:478:455:55
8:40
#19102
25K
15.53 mi13:10:162:16:278:4721:40
8:56
#19008
30K
18.64 mi13:39:122:45:238:5228:56
9:19
#18964
20M
20.00 mi13:52:132:58:248:5513:01
9:35
#18974
21M
21.00 mi14:02:293:08:408:5910:16
10:16
#18982
35K
21.75 mi14:09:303:15:419:007:01
9:23
#18996
23M
23.00 mi14:21:453:27:569:0212:15
9:47
#19033
24M
24.00 mi14:31:063:37:179:039:21
9:21
#19022
40K
24.85 mi14:39:293:45:409:058:23
9:48
#19039
25.2M
25.20 mi14:43:043:49:159:063:35
10:23
#19049
Finish
26.22 mi14:52:443:58:559:079:40
9:29
#19118
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi187287024702419385(Top 73%)7320(Top 64%)7320(Top 403%)
10K6.21 mi3.10 mi19160-4327253-2297253-22919658(Top 74%)7487(Top 66%)7487(Top 412%)
15K9.32 mi3.11 mi19220-607262-97262-919385(Top 73%)7320(Top 64%)7320(Top 403%)
20K12.43 mi3.11 mi19116+1047184+787184+7818933(Top 71%)7050(Top 62%)7050(Top 388%)
Half13.11 mi0.68 mi19102+147184718418836(Top 71%)6993(Top 61%)6993(Top 385%)
25K15.53 mi2.42 mi19008+947126+587126+5818663(Top 70%)6944(Top 61%)6944(Top 382%)
30K18.64 mi3.11 mi18964+447119+77119+718690(Top 70%)7028(Top 62%)7028(Top 387%)
20M20.00 mi1.36 mi18974-107147-287147-2819156(Top 72%)7379(Top 65%)7379(Top 406%)
21M21.00 mi1.00 mi18982-87157-107157-1018943(Top 71%)7307(Top 64%)7307(Top 402%)
35K21.75 mi0.75 mi18996-147176-197176-1919466(Top 73%)7639(Top 67%)7639(Top 420%)
23M23.00 mi1.25 mi19033-377203-277203-2719392(Top 73%)7624(Top 67%)7624(Top 420%)
24M24.00 mi1.00 mi19022+117210-77210-718670(Top 70%)7262(Top 64%)7262(Top 400%)
40K24.85 mi0.85 mi19039-177222-127222-1219414(Top 73%)7721(Top 68%)7721(Top 425%)
25.2M25.20 mi0.35 mi19049-107234-127234-1218784(Top 71%)7388(Top 65%)7388(Top 407%)
Finish26.22 mi1.02 mi19118-697277-437277-4320076(Top 75%)8044(Top 70%)8044(Top 443%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19385

Females

7320

F45-49

7320

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19658

Females

7487

F45-49

7487

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19385

Females

7320

F45-49

7320

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18933

Females

7050

F45-49

7050

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18836

Females

6993

F45-49

6993

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18663

Females

6944

F45-49

6944

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18690

Females

7028

F45-49

7028

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19156

Females

7379

F45-49

7379

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18943

Females

7307

F45-49

7307

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19466

Females

7639

F45-49

7639

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19392

Females

7624

F45-49

7624

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18670

Females

7262

F45-49

7262

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19414

Females

7721

F45-49

7721

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18784

Females

7388

F45-49

7388

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

20076

Females

8044

F45-49

8044

Passing Analysis

Category:
Athletes Passed
1333
Passed By
1723
Net Change
-390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18728
5K → 10K171603-432#18728#19160
10K → 15K152212-60#19160#19220
15K → 20K212108+104#19220#19116
20K → Half3420+14#19116#19102
Half → 25K16066+94#19102#19008
25K → 30K191147+44#19008#18964
30K → 20M7888-10#18964#18974
20M → 21M7482-8#18974#18982
21M → 35K4054-14#18982#18996
35K → 23M66103-37#18996#19033
23M → 24M6453+11#19033#19022
24M → 40K4057-17#19022#19039
40K → 25.2M2333-10#19039#19049
25.2M → Finish2897-69#19049#19118
TOTALS13331723-390
📊

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