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BOSTON MARATHON 2024

Sandi Lake

Bib: 23471•F

FL

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 42%
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
10:02/mi
31:09
↑ 97↓ 3451.5%
10K· 6.21 mi
10:11/mi
1:02:48
↑ 79↓ 1380.4%
15K· 9.32 mi
10:11/mi
1:34:27
↑ 67↓ 78
20K· 12.43 mi
10:48/mi
2:08:00
↑ 106↓ 860.1%
Half· 13.11 mi
10:10/mi
2:14:56
↑ 19↓ 370.5%
25K· 15.53 mi
10:52/mi
2:41:18
↑ 66↓ 880.2%
30K· 18.64 mi
11:11/mi
3:16:02
↑ 181↓ 1480.2%
20M
10:56/mi
3:30:54
↑ 64↓ 500.2%
21M
12:21/mi
3:43:15
↑ 106↓ 241.6%
35K· 21.75 mi
10:12/mi
3:50:53
↑ 17↓ 861.7%
23M
11:12/mi
4:04:54
↑ 23↓ 630.6%
24M
10:54/mi
4:15:48
↓ 821.3%
40K· 24.85 mi
11:31/mi
4:25:39
↓ 200.3%
25.2M
12:40/mi
4:30:01
↑ 13↓ 160.2%
Finish· 26.22 mi
10:32/mi
4:40:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:56
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:25:49
Pace11:07 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:2531:0910:0231:09
10:02
-
10K
6.21 mi12:04:041:02:4810:0631:39
10:11
+0:09
15K
9.32 mi12:35:431:34:2710:0831:39
10:11
0:00
20K
12.43 mi13:09:162:08:0010:1833:33
10:48
+0:37
Half
13.11 mi13:16:122:14:5610:186:56
10:10
-0:38
25K
15.53 mi13:42:342:41:1810:2326:22
10:52
+0:42
30K
18.64 mi14:17:183:16:0210:3134:44
11:11
+0:19
20M
20.00 mi14:32:103:30:5410:3314:52
10:56
-0:15
21M
21.00 mi14:44:313:43:1510:3812:21
12:21
+1:25
35K
21.75 mi14:52:093:50:5310:377:38
10:12
-2:09
23M
23.00 mi15:06:104:04:5410:3914:01
11:12
+1:00
24M
24.00 mi15:17:044:15:4810:4010:54
10:54
-0:18
40K
24.85 mi15:26:554:25:3910:419:51
11:31
+0:37
25.2M
25.20 mi15:31:174:30:0110:434:22
12:40
+1:09
Finish
26.22 mi15:42:014:40:4510:4310:44
10:32
-2:08

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

10:02 /mi

Average Pace

10:43 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:01

39% of race

Time at Steady Pace

2:25:10

52% of race

Time at Slower Pace

26:34

9% of race

Average Pace: 10:42 /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 mi11:32:2531:0910:0231:09
10:02
#23047
10K
6.21 mi12:04:041:02:4810:0631:39
10:11
#23008
15K
9.32 mi12:35:431:34:2710:0831:39
10:11
#22784
20K
12.43 mi13:09:162:08:0010:1833:33
10:48
#22630
Half
13.11 mi13:16:122:14:5610:186:56
10:10
#22598
25K
15.53 mi13:42:342:41:1810:2326:22
10:52
#22381
30K
18.64 mi14:17:183:16:0210:3134:44
11:11
#21992
20M
20.00 mi14:32:103:30:5410:3314:52
10:56
#21800
21M
21.00 mi14:44:313:43:1510:3812:21
12:21
#21678
35K
21.75 mi14:52:093:50:5310:377:38
10:12
#21538
23M
23.00 mi15:06:104:04:5410:3914:01
11:12
#21377
24M
24.00 mi15:17:044:15:4810:4010:54
10:54
#21274
40K
24.85 mi15:26:554:25:3910:419:51
11:31
#21196
25.2M
25.20 mi15:31:174:30:0110:434:22
12:40
#21147
Finish
26.22 mi15:42:014:40:4510:4310:44
10:32
#21110
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi230479418941822301(Top 87%)9039(Top 83%)9039(Top 4185%)
10K6.21 mi3.10 mi23008+399423-59423-522960(Top 90%)9414(Top 86%)9414(Top 4358%)
15K9.32 mi3.11 mi22784+2249297+1269297+12622301(Top 87%)9039(Top 83%)9039(Top 4185%)
20K12.43 mi3.11 mi22630+1549222+759222+7522278(Top 87%)9062(Top 83%)9062(Top 4195%)
Half13.11 mi0.68 mi22598+329208+149208+1421906(Top 86%)8911(Top 82%)8911(Top 4125%)
25K15.53 mi2.42 mi22381+2179113+959113+9521246(Top 83%)8602(Top 79%)8602(Top 3982%)
30K18.64 mi3.11 mi21992+3898966+1478966+14720391(Top 80%)8311(Top 76%)8311(Top 3848%)
20M20.00 mi1.36 mi21800+1928891+758891+7519152(Top 75%)7782(Top 71%)7782(Top 3603%)
21M21.00 mi1.00 mi21678+1228842+498842+4919574(Top 77%)8113(Top 74%)8113(Top 3756%)
35K21.75 mi0.75 mi21538+1408790+528790+5217791(Top 70%)7232(Top 66%)7232(Top 3348%)
23M23.00 mi1.25 mi21377+1618734+568734+5618948(Top 74%)7864(Top 72%)7864(Top 3641%)
24M24.00 mi1.00 mi21274+1038699+358699+3518986(Top 74%)7957(Top 73%)7957(Top 3684%)
40K24.85 mi0.85 mi21196+788672+278672+2719392(Top 76%)8210(Top 75%)8210(Top 3801%)
25.2M25.20 mi0.35 mi21147+498654+188654+1818977(Top 74%)8007(Top 73%)8007(Top 3707%)
Finish26.22 mi1.02 mi21110+378642+128642+1220128(Top 79%)8546(Top 78%)8546(Top 3956%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

22301

Females

9039

F65-69

9039

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

22960

Females

9414

F65-69

9414

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

22301

Females

9039

F65-69

9039

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

22278

Females

9062

F65-69

9062

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

21906

Females

8911

F65-69

8911

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

21246

Females

8602

F65-69

8602

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

20391

Females

8311

F65-69

8311

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19152

Females

7782

F65-69

7782

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

19574

Females

8113

F65-69

8113

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

17791

Females

7232

F65-69

7232

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

18948

Females

7864

F65-69

7864

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

18986

Females

7957

F65-69

7957

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19392

Females

8210

F65-69

8210

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

18977

Females

8007

F65-69

8007

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20128

Females

8546

F65-69

8546

Passing Analysis

Category:
Athletes Passed
2438
Passed By
501
Net Change
+1937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23047
5K → 10K220181+39#23047#23008
10K → 15K28460+224#23008#22784
15K → 20K255101+154#22784#22630
20K → Half4311+32#22630#22598
Half → 25K24326+217#22598#22381
25K → 30K41324+389#22381#21992
30K → 20M1997+192#21992#21800
20M → 21M13513+122#21800#21678
21M → 35K1422+140#21678#21538
35K → 23M1709+161#21538#21377
23M → 24M1129+103#21377#21274
24M → 40K9517+78#21274#21196
40K → 25.2M556+49#21196#21147
25.2M → Finish7235+37#21147#21110
TOTALS2438501+1937
📊

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