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BOSTON MARATHON 2023

Kirstyn Grant

Bib: 27052•F

CT

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
33:56
Rank: #25571
Start → 5K
33:56 | 10:55/mi
10K· 6.21 mi
1:09:09
Rank: #25754 (-183)
5K → 10K
35:13 | 11:20/mi
15K· 9.32 mi
1:46:18
Rank: #25892 (-138)
10K → 15K
37:09 | 11:57/mi
20K· 12.43 mi
2:25:18
Rank: #25949 (-57)
15K → 20K
39:00 | 12:33/mi
Half· 13.11 mi
2:33:55
Rank: #25967 (-18)
20K → Half
8:37 | 12:38/mi
25K· 15.53 mi
3:06:27
Rank: #26009 (-42)
Half → 25K
32:32 | 13:25/mi
30K· 18.64 mi
3:49:17
Rank: #26015 (-6)
25K → 30K
42:50 | 13:47/mi
20M
4:08:17
Rank: #26009 (+6)
30K → 20M
19:00 | 13:59/mi
21M
4:23:08
Rank: #25994 (+15)
20M → 21M
14:51 | 14:51/mi
35K· 21.75 mi
4:32:56
Rank: #25990 (+4)
21M → 35K
9:48 | 13:06/mi
23M
4:50:26
Rank: #25988 (+2)
35K → 23M
17:30 | 13:59/mi
24M
5:04:11
Rank: #26003 (-15)
23M → 24M
13:45 | 13:45/mi
40K· 24.85 mi
5:16:27
Rank: #26005 (-2)
24M → 40K
12:16 | 14:21/mi
25.2M
5:21:46
Rank: #26006 (-1)
40K → 25.2M
5:19 | 15:25/mi
Finish· 26.22 mi
5:34:28
Rank: #26009 (-3)
25.2M → Finish
12:42 | 12:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:33:55
Pace11:44 /mi
2nd Half
Distance13.11 mi
Time3:00:33
Pace13:46 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3433:5610:5533:56
10:55
-
10K
6.21 mi12:26:471:09:0911:0835:13
11:20
+0:25
15K
9.32 mi13:03:561:46:1811:2437:09
11:57
+0:37
20K
12.43 mi13:42:562:25:1811:4239:00
12:33
+0:36
Half
13.11 mi13:51:332:33:5511:448:37
12:38
+0:05
25K
15.53 mi14:24:053:06:2712:0032:32
13:25
+0:47
30K
18.64 mi15:06:553:49:1712:1842:50
13:47
+0:22
20M
20.00 mi15:25:554:08:1712:2519:00
13:59
+0:12
21M
21.00 mi15:40:464:23:0812:3214:51
14:51
+0:52
35K
21.75 mi15:50:344:32:5612:339:48
13:06
-1:45
23M
23.00 mi16:08:044:50:2612:3817:30
13:59
+0:53
24M
24.00 mi16:21:495:04:1112:4013:45
13:45
-0:14
40K
24.85 mi16:34:055:16:2712:4412:16
14:21
+0:36
25.2M
25.20 mi16:39:245:21:4612:465:19
15:25
+1:04
Finish
26.22 mi16:52:065:34:2812:4612:42
12:28
-2:57

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

10:55 /mi

Average Pace

12:46 /mi

Slowest Pace

15:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:37

50% of race

Time at Steady Pace

2:15:25

40% of race

Time at Slower Pace

32:26

10% of race

Average Pace: 12:45 /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 mi11:51:3433:5610:5533:56
10:55
#25571
10K
6.21 mi12:26:471:09:0911:0835:13
11:20
#25754
15K
9.32 mi13:03:561:46:1811:2437:09
11:57
#25892
20K
12.43 mi13:42:562:25:1811:4239:00
12:33
#25949
Half
13.11 mi13:51:332:33:5511:448:37
12:38
#25967
25K
15.53 mi14:24:053:06:2712:0032:32
13:25
#26009
30K
18.64 mi15:06:553:49:1712:1842:50
13:47
#26015
20M
20.00 mi15:25:554:08:1712:2519:00
13:59
#26009
21M
21.00 mi15:40:464:23:0812:3214:51
14:51
#25994
35K
21.75 mi15:50:344:32:5612:339:48
13:06
#25990
23M
23.00 mi16:08:044:50:2612:3817:30
13:59
#25988
24M
24.00 mi16:21:495:04:1112:4013:45
13:45
#26003
40K
24.85 mi16:34:055:16:2712:4412:16
14:21
#26005
25.2M
25.20 mi16:39:245:21:4612:465:19
15:25
#26006
Finish
26.22 mi16:52:065:34:2812:4612:42
12:28
#26009
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25571107691076926028(Top 98%)11056(Top 97%)11056(Top 226%)
10K6.21 mi3.10 mi25754-18310894-12510894-12525833(Top 97%)10934(Top 96%)10934(Top 224%)
15K9.32 mi3.11 mi25892-13810973-7910973-7926028(Top 98%)11056(Top 97%)11056(Top 226%)
20K12.43 mi3.11 mi25949-5711006-3311006-3325997(Top 98%)11057(Top 97%)11057(Top 226%)
Half13.11 mi0.68 mi25967-1811018-1211018-1226220(Top 98%)11194(Top 98%)11194(Top 229%)
25K15.53 mi2.42 mi26009-4211051-3311051-3326091(Top 98%)11125(Top 97%)11125(Top 228%)
30K18.64 mi3.11 mi26015-611061-1011061-1025910(Top 97%)11056(Top 97%)11056(Top 226%)
20M20.00 mi1.36 mi26009+611059+211059+225815(Top 97%)11025(Top 97%)11025(Top 226%)
21M21.00 mi1.00 mi25994+1511054+511054+525646(Top 96%)10925(Top 96%)10925(Top 224%)
35K21.75 mi0.75 mi25990+411055-111055-125639(Top 96%)10968(Top 96%)10968(Top 225%)
23M23.00 mi1.25 mi25988+2110551105525811(Top 97%)11052(Top 97%)11052(Top 226%)
24M24.00 mi1.00 mi26003-1511069-1411069-1425948(Top 97%)11139(Top 98%)11139(Top 228%)
40K24.85 mi0.85 mi26005-211074-511074-525879(Top 97%)11118(Top 97%)11118(Top 228%)
25.2M25.20 mi0.35 mi26006-1110741107425909(Top 97%)11128(Top 97%)11128(Top 228%)
Finish26.22 mi1.02 mi26009-311080-611080-625664(Top 96%)11013(Top 96%)11013(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

26028

Females

11056

F18-39

11056

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25833

Females

10934

F18-39

10934

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

26028

Females

11056

F18-39

11056

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

25997

Females

11057

F18-39

11057

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

26220

Females

11194

F18-39

11194

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

26091

Females

11125

F18-39

11125

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25910

Females

11056

F18-39

11056

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

25815

Females

11025

F18-39

11025

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25646

Females

10925

F18-39

10925

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25639

Females

10968

F18-39

10968

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25811

Females

11052

F18-39

11052

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

25948

Females

11139

F18-39

11139

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25879

Females

11118

F18-39

11118

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25909

Females

11128

F18-39

11128

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

25664

Females

11013

F18-39

11013

Passing Analysis

Category:
Athletes Passed
327
Passed By
765
Net Change
-438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25571
5K → 10K77260-183#25571#25754
10K → 15K35173-138#25754#25892
15K → 20K2986-57#25892#25949
20K → Half927-18#25949#25967
Half → 25K2365-42#25967#26009
25K → 30K4854-6#26009#26015
30K → 20M2216+6#26015#26009
20M → 21M238+15#26009#25994
21M → 35K1511+4#25994#25990
35K → 23M1614+2#25990#25988
23M → 24M1025-15#25988#26003
24M → 40K810-2#26003#26005
40K → 25.2M45-1#26005#26006
25.2M → Finish811-3#26006#26009
TOTALS327765-438
📊

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