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BOSTON MARATHON 2024

Sandy Blasey

Bib: 23207•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F60-64)
#0 / 549
Top 38%
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
9:29/mi
29:27
↑ 97↓ 3451.5%
10K· 6.21 mi
9:27/mi
58:50
↑ 79↓ 1380.4%
15K· 9.32 mi
9:26/mi
1:28:07
↑ 67↓ 78
20K· 12.43 mi
9:32/mi
1:57:45
↑ 106↓ 860.1%
Half· 13.11 mi
9:26/mi
2:04:11
↑ 19↓ 370.5%
25K· 15.53 mi
9:43/mi
2:27:44
↑ 66↓ 880.2%
30K· 18.64 mi
10:14/mi
2:59:33
↑ 181↓ 1480.2%
20M
10:15/mi
3:13:29
↑ 64↓ 500.2%
21M
10:57/mi
3:24:26
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:32:11
↑ 17↓ 861.7%
23M
10:40/mi
3:45:32
↑ 23↓ 630.6%
24M
10:43/mi
3:56:15
↓ 821.3%
40K· 24.85 mi
11:10/mi
4:05:48
↓ 200.3%
25.2M
11:53/mi
4:09:54
↑ 13↓ 160.2%
Finish· 26.22 mi
10:26/mi
4:20:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:11
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:16:21
Pace10:24 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:3929:279:2929:27
9:29
-
10K
6.21 mi11:59:0258:509:2829:23
9:27
-0:02
15K
9.32 mi12:28:191:28:079:2729:17
9:26
-0:01
20K
12.43 mi12:57:571:57:459:2929:38
9:32
+0:06
Half
13.11 mi13:04:232:04:119:286:26
9:26
-0:06
25K
15.53 mi13:27:562:27:449:3123:33
9:43
+0:17
30K
18.64 mi13:59:452:59:339:3831:49
10:14
+0:31
20M
20.00 mi14:13:413:13:299:4013:56
10:15
+0:01
21M
21.00 mi14:24:383:24:269:4410:57
10:57
+0:42
35K
21.75 mi14:32:233:32:119:457:45
10:22
-0:35
23M
23.00 mi14:45:443:45:329:4813:21
10:40
+0:18
24M
24.00 mi14:56:273:56:159:5110:43
10:43
+0:03
40K
24.85 mi15:06:004:05:489:539:33
11:10
+0:27
25.2M
25.20 mi15:10:064:09:549:554:06
11:53
+0:43
Finish
26.22 mi15:20:444:20:329:5710:38
10:26
-1:27

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

9:26 /mi

Average Pace

9:57 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:44

57% of race

Time at Steady Pace

1:04:08

25% of race

Time at Slower Pace

48:40

19% of race

Average Pace: 9:56 /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 mi11:29:3929:279:2929:27
9:29
#21673
10K
6.21 mi11:59:0258:509:2829:23
9:27
#21454
15K
9.32 mi12:28:191:28:079:2729:17
9:26
#21095
20K
12.43 mi12:57:571:57:459:2929:38
9:32
#20613
Half
13.11 mi13:04:232:04:119:286:26
9:26
#20563
25K
15.53 mi13:27:562:27:449:3123:33
9:43
#20171
30K
18.64 mi13:59:452:59:339:3831:49
10:14
#19770
20M
20.00 mi14:13:413:13:299:4013:56
10:15
#19567
21M
21.00 mi14:24:383:24:269:4410:57
10:57
#19357
35K
21.75 mi14:32:233:32:119:457:45
10:22
#19303
23M
23.00 mi14:45:443:45:329:4813:21
10:40
#19151
24M
24.00 mi14:56:273:56:159:5110:43
10:43
#19108
40K
24.85 mi15:06:004:05:489:539:33
11:10
#19061
25.2M
25.20 mi15:10:064:09:549:554:06
11:53
#19024
Finish
26.22 mi15:20:444:20:329:5710:38
10:26
#19030
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi216738748874820455(Top 80%)8036(Top 74%)8036(Top 1464%)
10K6.21 mi3.10 mi21454+2198620+1288620+12821241(Top 83%)8501(Top 78%)8501(Top 1548%)
15K9.32 mi3.11 mi21095+3598417+2038417+20320455(Top 80%)8036(Top 74%)8036(Top 1464%)
20K12.43 mi3.11 mi20613+4828154+2638154+26319333(Top 76%)7453(Top 68%)7453(Top 1358%)
Half13.11 mi0.68 mi20563+508137+178137+1719845(Top 78%)7791(Top 71%)7791(Top 1419%)
25K15.53 mi2.42 mi20171+3927921+2167921+21618279(Top 72%)6984(Top 64%)6984(Top 1272%)
30K18.64 mi3.11 mi19770+4017768+1537768+15318091(Top 71%)7090(Top 65%)7090(Top 1291%)
20M20.00 mi1.36 mi19567+2037703+657703+6517292(Top 68%)6876(Top 63%)6876(Top 1252%)
21M21.00 mi1.00 mi19357+2107618+857618+8516220(Top 63%)6440(Top 59%)6440(Top 1173%)
35K21.75 mi0.75 mi19303+547600+187600+1818196(Top 71%)7427(Top 68%)7427(Top 1353%)
23M23.00 mi1.25 mi19151+1527537+637537+6317490(Top 68%)7152(Top 65%)7152(Top 1303%)
24M24.00 mi1.00 mi19108+437535+27535+218476(Top 72%)7693(Top 70%)7693(Top 1401%)
40K24.85 mi0.85 mi19061+477532+37532+318540(Top 73%)7771(Top 71%)7771(Top 1415%)
25.2M25.20 mi0.35 mi19024+377520+127520+1217123(Top 67%)7117(Top 65%)7117(Top 1296%)
Finish26.22 mi1.02 mi19030-67537-177537-1719826(Top 78%)8388(Top 77%)8388(Top 1528%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

20455

Females

8036

F60-64

8036

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

21241

Females

8501

F60-64

8501

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

20455

Females

8036

F60-64

8036

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19333

Females

7453

F60-64

7453

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

19845

Females

7791

F60-64

7791

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

18279

Females

6984

F60-64

6984

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18091

Females

7090

F60-64

7090

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

17292

Females

6876

F60-64

6876

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16220

Females

6440

F60-64

6440

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18196

Females

7427

F60-64

7427

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

17490

Females

7152

F60-64

7152

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

18476

Females

7693

F60-64

7693

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

18540

Females

7771

F60-64

7771

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17123

Females

7117

F60-64

7117

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

19826

Females

8388

F60-64

8388

Passing Analysis

Category:
Athletes Passed
3100
Passed By
457
Net Change
+2643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21673
5K → 10K362143+219#21673#21454
10K → 15K39132+359#21454#21095
15K → 20K50523+482#21095#20613
20K → Half588+50#20613#20563
Half → 25K40311+392#20563#20171
25K → 30K42322+401#20171#19770
30K → 20M2129+203#19770#19567
20M → 21M2166+210#19567#19357
21M → 35K8531+54#19357#19303
35K → 23M17422+152#19303#19151
23M → 24M8643+43#19151#19108
24M → 40K8235+47#19108#19061
40K → 25.2M4710+37#19061#19024
25.2M → Finish5662-6#19024#19030
TOTALS3100457+2643
📊

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