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BOSTON MARATHON 2023

Sandra Wassink

Bib: 13132•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 9%
Masters (Masters Women)
#0 / 6539
Top 3%
Division (F45-49)
#0 / 1817
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:27/mi
23:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:10/mi
45:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:07:57
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:30:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:35:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:53:27
↑ 66↓ 880.2%
30K· 18.64 mi
7:32/mi
2:16:52
↑ 181↓ 1480.2%
20M
7:33/mi
2:27:08
↑ 64↓ 500.2%
21M
8:02/mi
2:35:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:40:36
↑ 17↓ 861.7%
23M
7:32/mi
2:50:02
↑ 23↓ 630.6%
24M
7:22/mi
2:57:24
↓ 821.3%
40K· 24.85 mi
7:27/mi
3:03:46
↓ 200.3%
25.2M
8:10/mi
3:06:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:14:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:41
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:38:27
Pace7:31 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2723:087:2723:08
7:27
-
10K
6.21 mi11:13:4445:257:1922:17
7:10
-0:17
15K
9.32 mi11:36:161:07:577:1722:32
7:15
+0:05
20K
12.43 mi11:59:031:30:447:1822:47
7:20
+0:05
Half
13.11 mi12:04:001:35:417:184:57
7:15
-0:05
25K
15.53 mi12:21:461:53:277:1817:46
7:20
+0:05
30K
18.64 mi12:45:112:16:527:2123:25
7:32
+0:12
20M
20.00 mi12:55:272:27:087:2110:16
7:33
+0:01
21M
21.00 mi13:03:292:35:107:238:02
8:02
+0:29
35K
21.75 mi13:08:552:40:367:235:26
7:16
-0:46
23M
23.00 mi13:18:212:50:027:249:26
7:32
+0:16
24M
24.00 mi13:25:432:57:247:247:22
7:22
-0:10
40K
24.85 mi13:32:053:03:467:246:22
7:27
+0:05
25.2M
25.20 mi13:34:543:06:357:242:49
8:10
+0:43
Finish
26.22 mi13:42:273:14:087:257:33
7:25
-0:45

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

7:10 /mi

Average Pace

7:25 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:17

94% of race

Time at Steady Pace

10:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi10:51:2723:087:2723:08
7:27
#9197
10K
6.21 mi11:13:4445:257:1922:17
7:10
#8511
15K
9.32 mi11:36:161:07:577:1722:32
7:15
#8392
20K
12.43 mi11:59:031:30:447:1822:47
7:20
#8261
Half
13.11 mi12:04:001:35:417:184:57
7:15
#8248
25K
15.53 mi12:21:461:53:277:1817:46
7:20
#8096
30K
18.64 mi12:45:112:16:527:2123:25
7:32
#7958
20M
20.00 mi12:55:272:27:087:2110:16
7:33
#7845
21M
21.00 mi13:03:292:35:107:238:02
8:02
#7778
35K
21.75 mi13:08:552:40:367:235:26
7:16
#7736
23M
23.00 mi13:18:212:50:027:249:26
7:32
#7633
24M
24.00 mi13:25:432:57:247:247:22
7:22
#7572
40K
24.85 mi13:32:053:03:467:246:22
7:27
#7488
25.2M
25.20 mi13:34:543:06:357:242:49
8:10
#7491
Finish
26.22 mi13:42:273:14:087:257:33
7:25
#7491
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi9197146914698194(Top 31%)1139(Top 10%)1139(Top 63%)
10K6.21 mi3.10 mi8511+6861223+2461223+2467926(Top 30%)1027(Top 9%)1027(Top 57%)
15K9.32 mi3.11 mi8392+1191176+471176+478194(Top 31%)1139(Top 10%)1139(Top 63%)
20K12.43 mi3.11 mi8261+1311143+331143+338048(Top 30%)1120(Top 10%)1120(Top 62%)
Half13.11 mi0.68 mi8248+131141+21141+28294(Top 31%)1199(Top 10%)1199(Top 66%)
25K15.53 mi2.42 mi8096+1521113+281113+287475(Top 28%)1002(Top 9%)1002(Top 55%)
30K18.64 mi3.11 mi7958+1381098+151098+157486(Top 28%)1104(Top 10%)1104(Top 61%)
20M20.00 mi1.36 mi7845+1131077+211077+217206(Top 27%)1098(Top 10%)1098(Top 60%)
21M21.00 mi1.00 mi7778+671062+151062+157570(Top 28%)1336(Top 12%)1336(Top 74%)
35K21.75 mi0.75 mi7736+42106210626938(Top 26%)1079(Top 9%)1079(Top 59%)
23M23.00 mi1.25 mi7633+1031045+171045+176650(Top 25%)1041(Top 9%)1041(Top 57%)
24M24.00 mi1.00 mi7572+611049-41049-46860(Top 26%)1217(Top 11%)1217(Top 67%)
40K24.85 mi0.85 mi7488+841048+11048+16395(Top 24%)1113(Top 10%)1113(Top 61%)
25.2M25.20 mi0.35 mi7491-31056-81056-87537(Top 28%)1607(Top 14%)1607(Top 88%)
Finish26.22 mi1.02 mi74911071-151071-157870(Top 30%)1769(Top 15%)1769(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8194

Females

1139

F45-49

1139

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7926

Females

1027

F45-49

1027

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8194

Females

1139

F45-49

1139

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8048

Females

1120

F45-49

1120

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8294

Females

1199

F45-49

1199

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7475

Females

1002

F45-49

1002

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7486

Females

1104

F45-49

1104

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7206

Females

1098

F45-49

1098

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7570

Females

1336

F45-49

1336

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6938

Females

1079

F45-49

1079

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6650

Females

1041

F45-49

1041

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6860

Females

1217

F45-49

1217

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6395

Females

1113

F45-49

1113

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7537

Females

1607

F45-49

1607

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7870

Females

1769

F45-49

1769

Passing Analysis

Category:
Athletes Passed
2256
Passed By
550
Net Change
+1706
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9197
5K → 10K73044+686#9197#8511
10K → 15K19980+119#8511#8392
15K → 20K19160+131#8392#8261
20K → Half2815+13#8261#8248
Half → 25K18836+152#8248#8096
25K → 30K20769+138#8096#7958
30K → 20M13118+113#7958#7845
20M → 21M10639+67#7845#7778
21M → 35K6119+42#7778#7736
35K → 23M12926+103#7736#7633
23M → 24M9534+61#7633#7572
24M → 40K10521+84#7572#7488
40K → 25.2M1922-3#7488#7491
25.2M → Finish67670#7491#7491
TOTALS2256550+1706
📊

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