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BOSTON MARATHON 2024

Lynn Stanfield

Bib: 23413•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F65-69)
#0 / 216
Top 23%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
8:53/mi
27:36
↑ 97↓ 3451.5%
10K· 6.21 mi
9:01/mi
55:37
↑ 79↓ 1380.4%
15K· 9.32 mi
9:20/mi
1:24:38
↑ 67↓ 78
20K· 12.43 mi
9:50/mi
1:55:12
↑ 106↓ 860.1%
Half· 13.11 mi
9:21/mi
2:01:35
↑ 19↓ 370.5%
25K· 15.53 mi
10:48/mi
2:27:46
↑ 66↓ 880.2%
30K· 18.64 mi
10:33/mi
3:00:33
↑ 181↓ 1480.2%
20M
11:18/mi
3:15:54
↑ 64↓ 500.2%
21M
12:41/mi
3:28:35
↑ 106↓ 241.6%
35K· 21.75 mi
10:04/mi
3:36:07
↑ 17↓ 861.7%
23M
10:50/mi
3:49:41
↑ 23↓ 630.6%
24M
10:47/mi
4:00:28
↓ 821.3%
40K· 24.85 mi
11:28/mi
4:10:16
↓ 200.3%
25.2M
13:35/mi
4:14:57
↑ 13↓ 160.2%
Finish· 26.22 mi
12:09/mi
4:27:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:35
Pace9:16 /mi
2nd Half
Distance13.11 mi
Time2:25:45
Pace11:07 /mi
📊Positive Split: 19.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3827:368:5327:36
8:53
-
10K
6.21 mi11:56:3955:378:5728:01
9:01
+0:08
15K
9.32 mi12:25:401:24:389:0529:01
9:20
+0:19
20K
12.43 mi12:56:141:55:129:1630:34
9:50
+0:30
Half
13.11 mi13:02:372:01:359:166:23
9:21
-0:29
25K
15.53 mi13:28:482:27:469:3126:11
10:48
+1:27
30K
18.64 mi14:01:353:00:339:4132:47
10:33
-0:15
20M
20.00 mi14:16:563:15:549:4815:21
11:18
+0:45
21M
21.00 mi14:29:373:28:359:5612:41
12:41
+1:23
35K
21.75 mi14:37:093:36:079:567:32
10:04
-2:37
23M
23.00 mi14:50:433:49:419:5913:34
10:50
+0:46
24M
24.00 mi15:01:304:00:2810:0110:47
10:47
-0:03
40K
24.85 mi15:11:184:10:1610:049:48
11:28
+0:41
25.2M
25.20 mi15:15:594:14:5710:074:41
13:35
+2:07
Finish
26.22 mi15:28:224:27:2010:1212:23
12:09
-1:26

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

8:53 /mi

Average Pace

10:12 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:07

48% of race

Time at Steady Pace

1:38:40

37% of race

Time at Slower Pace

39:33

15% of race

Average Pace: 10:12 /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 mi11:28:3827:368:5327:36
8:53
#19641
10K
6.21 mi11:56:3955:378:5728:01
9:01
#19694
15K
9.32 mi12:25:401:24:389:0529:01
9:20
#19877
20K
12.43 mi12:56:141:55:129:1630:34
9:50
#20015
Half
13.11 mi13:02:372:01:359:166:23
9:21
#19990
25K
15.53 mi13:28:482:27:469:3126:11
10:48
#20178
30K
18.64 mi14:01:353:00:339:4132:47
10:33
#19920
20M
20.00 mi14:16:563:15:549:4815:21
11:18
#19917
21M
21.00 mi14:29:373:28:359:5612:41
12:41
#19919
35K
21.75 mi14:37:093:36:079:567:32
10:04
#19811
23M
23.00 mi14:50:433:49:419:5913:34
10:50
#19685
24M
24.00 mi15:01:304:00:2810:0110:47
10:47
#19617
40K
24.85 mi15:11:184:10:1610:049:48
11:28
#19602
25.2M
25.20 mi15:15:594:14:5710:074:41
13:35
#19617
Finish
26.22 mi15:28:224:27:2010:1212:23
12:09
#19811
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi196417702770220158(Top 79%)7863(Top 72%)7863(Top 3640%)
10K6.21 mi3.10 mi19694-537700+27700+219822(Top 78%)7743(Top 71%)7743(Top 3585%)
15K9.32 mi3.11 mi19877-1837779-797779-7920158(Top 79%)7863(Top 72%)7863(Top 3640%)
20K12.43 mi3.11 mi20015-1387837-587837-5820151(Top 79%)7897(Top 72%)7897(Top 3656%)
Half13.11 mi0.68 mi19990+257825+127825+1219644(Top 77%)7685(Top 70%)7685(Top 3558%)
25K15.53 mi2.42 mi20178-1887926-1017926-10121076(Top 82%)8510(Top 78%)8510(Top 3940%)
30K18.64 mi3.11 mi19920+2587851+757851+7518918(Top 74%)7536(Top 69%)7536(Top 3489%)
20M20.00 mi1.36 mi19917+37877-267877-2619979(Top 78%)8207(Top 75%)8207(Top 3800%)
21M21.00 mi1.00 mi19919-27900-237900-2320201(Top 79%)8434(Top 77%)8434(Top 3905%)
35K21.75 mi0.75 mi19811+1087868+327868+3217409(Top 68%)7059(Top 65%)7059(Top 3268%)
23M23.00 mi1.25 mi19685+1267830+387830+3817961(Top 70%)7398(Top 68%)7398(Top 3425%)
24M24.00 mi1.00 mi19617+687814+167814+1618662(Top 73%)7792(Top 71%)7792(Top 3607%)
40K24.85 mi0.85 mi19602+157824-107824-1019238(Top 75%)8133(Top 74%)8133(Top 3765%)
25.2M25.20 mi0.35 mi19617-157838-147838-1420891(Top 82%)8937(Top 82%)8937(Top 4138%)
Finish26.22 mi1.02 mi19811-1947948-1107948-11023436(Top 92%)10133(Top 93%)10133(Top 4691%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

20158

Females

7863

F65-69

7863

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

19822

Females

7743

F65-69

7743

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

20158

Females

7863

F65-69

7863

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20151

Females

7897

F65-69

7897

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

19644

Females

7685

F65-69

7685

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21076

Females

8510

F65-69

8510

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

18918

Females

7536

F65-69

7536

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

19979

Females

8207

F65-69

8207

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

20201

Females

8434

F65-69

8434

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

17409

Females

7059

F65-69

7059

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

17961

Females

7398

F65-69

7398

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

18662

Females

7792

F65-69

7792

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19238

Females

8133

F65-69

8133

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

20891

Females

8937

F65-69

8937

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

23436

Females

10133

F65-69

10133

Passing Analysis

Category:
Athletes Passed
1667
Passed By
1837
Net Change
-170
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19641
5K → 10K223276-53#19641#19694
10K → 15K159342-183#19694#19877
15K → 20K179317-138#19877#20015
20K → Half4823+25#20015#19990
Half → 25K97285-188#19990#20178
25K → 30K31961+258#20178#19920
30K → 20M7774+3#19920#19917
20M → 21M8587-2#19917#19919
21M → 35K12315+108#19919#19811
35K → 23M15226+126#19811#19685
23M → 24M9628+68#19685#19617
24M → 40K6550+15#19617#19602
40K → 25.2M2136-15#19602#19617
25.2M → Finish23217-194#19617#19811
TOTALS16671837-170
📊

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