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BOSTON MARATHON 2023

Stefani Mcgrath

Bib: 30828•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
34:14
Rank: #25705
Start → 5K
34:14 | 11:01/mi
10K· 6.21 mi
1:10:14
Rank: #25925 (-220)
5K → 10K
36:00 | 11:35/mi
15K· 9.32 mi
1:46:59
Rank: #25962 (-37)
10K → 15K
36:45 | 11:50/mi
20K· 12.43 mi
2:27:57
Rank: #26095 (-133)
15K → 20K
40:58 | 13:11/mi
Half· 13.11 mi
2:36:02
Rank: #26084 (+11)
20K → Half
8:05 | 11:51/mi
25K· 15.53 mi
3:07:08
Rank: #26048 (+36)
Half → 25K
31:06 | 12:50/mi
30K· 18.64 mi
3:52:35
Rank: #26126 (-78)
25K → 30K
45:27 | 14:38/mi
20M
4:15:46
Rank: #26219 (-93)
30K → 20M
23:11 | 17:04/mi
21M
4:33:21
Rank: #26291 (-72)
20M → 21M
17:35 | 17:35/mi
35K· 21.75 mi
4:43:14
Rank: #26273 (+18)
21M → 35K
9:53 | 13:13/mi
23M
5:02:49
Rank: #26313 (-40)
35K → 23M
19:35 | 15:38/mi
24M
5:17:54
Rank: #26334 (-21)
23M → 24M
15:05 | 15:05/mi
40K· 24.85 mi
5:30:21
Rank: #26333 (+1)
24M → 40K
12:27 | 14:34/mi
25.2M
5:35:09
Rank: #26319 (+14)
40K → 25.2M
4:48 | 13:55/mi
Finish· 26.22 mi
5:47:36
Rank: #26301 (+18)
25.2M → Finish
12:27 | 12:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:36:02
Pace11:54 /mi
2nd Half
Distance13.11 mi
Time3:11:34
Pace14:37 /mi
📊Positive Split: 22.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3934:1411:0134:14
11:01
-
10K
6.21 mi12:30:391:10:1411:1836:00
11:35
+0:34
15K
9.32 mi13:07:241:46:5911:2936:45
11:50
+0:15
20K
12.43 mi13:48:222:27:5711:5440:58
13:11
+1:21
Half
13.11 mi13:56:272:36:0211:548:05
11:51
-1:20
25K
15.53 mi14:27:333:07:0812:0331:06
12:50
+0:59
30K
18.64 mi15:13:003:52:3512:2945:27
14:38
+1:48
20M
20.00 mi15:36:114:15:4612:4723:11
17:04
+2:26
21M
21.00 mi15:53:464:33:2113:0117:35
17:35
+0:31
35K
21.75 mi16:03:394:43:1413:019:53
13:13
-4:22
23M
23.00 mi16:23:145:02:4913:1019:35
15:38
+2:25
24M
24.00 mi16:38:195:17:5413:1515:05
15:05
-0:33
40K
24.85 mi16:50:465:30:2113:1712:27
14:34
-0:31
25.2M
25.20 mi16:55:345:35:0913:184:48
13:55
-0:39
Finish
26.22 mi17:08:015:47:3613:1612:27
12:13
-1:42

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

11:01 /mi

Average Pace

13:16 /mi

Slowest Pace

17:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:31

37% of race

Time at Steady Pace

1:26:45

25% of race

Time at Slower Pace

2:13:20

38% of race

Average Pace: 13:15 /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 mi11:54:3934:1411:0134:14
11:01
#25705
10K
6.21 mi12:30:391:10:1411:1836:00
11:35
#25925
15K
9.32 mi13:07:241:46:5911:2936:45
11:50
#25962
20K
12.43 mi13:48:222:27:5711:5440:58
13:11
#26095
Half
13.11 mi13:56:272:36:0211:548:05
11:51
#26084
25K
15.53 mi14:27:333:07:0812:0331:06
12:50
#26048
30K
18.64 mi15:13:003:52:3512:2945:27
14:38
#26126
20M
20.00 mi15:36:114:15:4612:4723:11
17:04
#26219
21M
21.00 mi15:53:464:33:2113:0117:35
17:35
#26291
35K
21.75 mi16:03:394:43:1413:019:53
13:13
#26273
23M
23.00 mi16:23:145:02:4913:1019:35
15:38
#26313
24M
24.00 mi16:38:195:17:5413:1515:05
15:05
#26334
40K
24.85 mi16:50:465:30:2113:1712:27
14:34
#26333
25.2M
25.20 mi16:55:345:35:0913:184:48
13:55
#26319
Finish
26.22 mi17:08:015:47:3613:1612:27
12:13
#26301
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25705108571085725947(Top 97%)11008(Top 96%)11008(Top 225%)
10K6.21 mi3.10 mi25925-22010993-13610993-13626029(Top 98%)11059(Top 97%)11059(Top 226%)
15K9.32 mi3.11 mi25962-3711020-2711020-2725947(Top 97%)11008(Top 96%)11008(Top 225%)
20K12.43 mi3.11 mi26095-13311102-8211102-8226315(Top 99%)11245(Top 98%)11245(Top 230%)
Half13.11 mi0.68 mi26084+1111098+411098+425777(Top 97%)10940(Top 96%)10940(Top 224%)
25K15.53 mi2.42 mi26048+3611075+2311075+2325771(Top 97%)10944(Top 96%)10944(Top 224%)
30K18.64 mi3.11 mi26126-7811133-5811133-5826304(Top 99%)11257(Top 99%)11257(Top 230%)
20M20.00 mi1.36 mi26219-9311184-5111184-5126558(Top 100%)11393(Top 100%)11393(Top 233%)
21M21.00 mi1.00 mi26291-7211227-4311227-4326518(Top 100%)11368(Top 100%)11368(Top 233%)
35K21.75 mi0.75 mi26273+1811223+411223+425714(Top 97%)11003(Top 96%)11003(Top 225%)
23M23.00 mi1.25 mi26313-4011243-2011243-2026436(Top 99%)11344(Top 99%)11344(Top 232%)
24M24.00 mi1.00 mi26334-2111259-1611259-1626402(Top 99%)11336(Top 99%)11336(Top 232%)
40K24.85 mi0.85 mi26333+111261-211261-225975(Top 98%)11160(Top 98%)11160(Top 229%)
25.2M25.20 mi0.35 mi26319+1411255+611255+624964(Top 94%)10683(Top 94%)10683(Top 219%)
Finish26.22 mi1.02 mi26301+1811245+1011245+1025441(Top 96%)10890(Top 95%)10890(Top 223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

25947

Females

11008

F18-39

11008

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

26029

Females

11059

F18-39

11059

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

25947

Females

11008

F18-39

11008

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

26315

Females

11245

F18-39

11245

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

25777

Females

10940

F18-39

10940

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

25771

Females

10944

F18-39

10944

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

26304

Females

11257

F18-39

11257

30K→20M

18.6 - 20.0 mi

Top 100%
×5stories
+64ft-50ft

Overall

26558

Females

11393

F18-39

11393

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

26518

Females

11368

F18-39

11368

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

25714

Females

11003

F18-39

11003

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

26436

Females

11344

F18-39

11344

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

26402

Females

11336

F18-39

11336

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25975

Females

11160

F18-39

11160

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24964

Females

10683

F18-39

10683

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

25441

Females

10890

F18-39

10890

Passing Analysis

Category:
Athletes Passed
282
Passed By
878
Net Change
-596
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25705
5K → 10K42262-220#25705#25925
10K → 15K5895-37#25925#25962
15K → 20K10143-133#25962#26095
20K → Half143+11#26095#26084
Half → 25K5721+36#26084#26048
25K → 30K1694-78#26048#26126
30K → 20M497-93#26126#26219
20M → 21M274-72#26219#26291
21M → 35K235+18#26291#26273
35K → 23M545-40#26273#26313
23M → 24M526-21#26313#26334
24M → 40K98+1#26334#26333
40K → 25.2M140+14#26333#26319
25.2M → Finish235+18#26319#26301
TOTALS282878-596
📊

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