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BOSTON MARATHON 2023

Annemiek Hamelinck

CA

Bib: 22623 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:37/mi
29:52
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:37/mi
59:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:42/mi
1:29:55
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:02/mi
2:01:05
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:52/mi
2:07:49
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:26/mi
2:33:07
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:00/mi
3:07:16
↑ 181↓ 1480.2%
138 ft elev
20M
11:15/mi
3:22:33
↑ 64↓ 500.2%
148 ft elev
21M
12:51/mi
3:35:24
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:00/mi
3:43:38
↑ 17↓ 861.7%
156 ft elev
23M
11:25/mi
3:57:56
↑ 23↓ 630.6%
116 ft elev
24M
10:59/mi
4:08:55
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:57/mi
4:19:08
↓ 200.3%
20 ft elev
25.2M
12:19/mi
4:23:23
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:32/mi
4:35:08
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:49
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:27:19
Pace11:14 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3829:529:3729:52
9:37
-
10K
6.21 mi11:54:3259:469:3729:54
9:37
0:00
15K
9.32 mi12:24:411:29:559:3930:09
9:42
+0:05
20K
12.43 mi12:55:512:01:059:4531:10
10:02
+0:20
Half
13.11 mi13:02:352:07:499:456:44
9:52
-0:10
25K
15.53 mi13:27:532:33:079:5125:18
10:26
+0:34
30K
18.64 mi14:02:023:07:1610:0334:09
11:00
+0:34
20M
20.00 mi14:17:193:22:3310:0815:17
11:15
+0:15
21M
21.00 mi14:30:103:35:2410:1512:51
12:51
+1:36
35K
21.75 mi14:38:243:43:3810:178:14
11:00
-1:51
23M
23.00 mi14:52:423:57:5610:2114:18
11:25
+0:25
24M
24.00 mi15:03:414:08:5510:2210:59
10:59
-0:26
40K
24.85 mi15:13:544:19:0810:2610:13
11:57
+0:58
25.2M
25.20 mi15:18:094:23:2310:274:15
12:19
+0:22
Finish
26.22 mi15:29:544:35:0810:3011:45
11:32
-0:47

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

9:37 /mi

Average Pace

10:30 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:07

56% of race

Time at Steady Pace

1:22:57

30% of race

Time at Slower Pace

39:04

14% of race

Average Pace: 10:30 /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 mi11:24:3829:529:3729:52
9:37
#22419
10K
6.21 mi11:54:3259:469:3729:54
9:37
#22660
15K
9.32 mi12:24:411:29:559:3930:09
9:42
#22722
20K
12.43 mi12:55:512:01:059:4531:10
10:02
#22780
Half
13.11 mi13:02:352:07:499:456:44
9:52
#22799
25K
15.53 mi13:27:532:33:079:5125:18
10:26
#22867
30K
18.64 mi14:02:023:07:1610:0334:09
11:00
#22895
20M
20.00 mi14:17:193:22:3310:0815:17
11:15
#22924
21M
21.00 mi14:30:103:35:2410:1512:51
12:51
#23002
35K
21.75 mi14:38:243:43:3810:178:14
11:00
#23016
23M
23.00 mi14:52:423:57:5610:2114:18
11:25
#23016
24M
24.00 mi15:03:414:08:5510:2210:59
10:59
#23010
40K
24.85 mi15:13:544:19:0810:2610:13
11:57
#23046
25.2M
25.20 mi15:18:094:23:2310:274:15
12:19
#23051
Finish
26.22 mi15:29:544:35:0810:3011:45
11:32
#23136
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi224199090909022825(Top 86%)9243(Top 81%)9243(Top 766%)
10K6.21 mi3.10 mi22660-2419178-889178-8822869(Top 86%)9269(Top 81%)9269(Top 768%)
15K9.32 mi3.11 mi22722-629197-199197-1922825(Top 86%)9243(Top 81%)9243(Top 766%)
20K12.43 mi3.11 mi22780-589228-319228-3122987(Top 86%)9347(Top 82%)9347(Top 774%)
Half13.11 mi0.68 mi22799-199241-139241-1323044(Top 87%)9377(Top 82%)9377(Top 777%)
25K15.53 mi2.42 mi22867-689291-509291-5023072(Top 87%)9433(Top 83%)9433(Top 782%)
30K18.64 mi3.11 mi22895-289323-329323-3223087(Top 87%)9502(Top 83%)9502(Top 787%)
20M20.00 mi1.36 mi22924-299357-349357-3423098(Top 87%)9565(Top 84%)9565(Top 792%)
21M21.00 mi1.00 mi23002-789408-519408-5123914(Top 90%)10038(Top 88%)10038(Top 832%)
35K21.75 mi0.75 mi23016-149421-139421-1323324(Top 88%)9775(Top 86%)9775(Top 810%)
23M23.00 mi1.25 mi230169435-149435-1423117(Top 87%)9650(Top 84%)9650(Top 800%)
24M24.00 mi1.00 mi23010+69444-99444-923032(Top 87%)9652(Top 84%)9652(Top 800%)
40K24.85 mi0.85 mi23046-369469-259469-2523833(Top 90%)10100(Top 88%)10100(Top 837%)
25.2M25.20 mi0.35 mi23051-59470-19470-123033(Top 87%)9679(Top 85%)9679(Top 802%)
Finish26.22 mi1.02 mi23136-859519-499519-4924712(Top 93%)10513(Top 92%)10513(Top 871%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22825

Females

9243

F50-54

9243

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22869

Females

9269

F50-54

9269

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22825

Females

9243

F50-54

9243

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22987

Females

9347

F50-54

9347

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23044

Females

9377

F50-54

9377

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23072

Females

9433

F50-54

9433

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23087

Females

9502

F50-54

9502

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23098

Females

9565

F50-54

9565

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23914

Females

10038

F50-54

10038

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23324

Females

9775

F50-54

9775

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23117

Females

9650

F50-54

9650

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23032

Females

9652

F50-54

9652

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23833

Females

10100

F50-54

10100

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23033

Females

9679

F50-54

9679

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24712

Females

10513

F50-54

10513

Passing Analysis

Category:
Athletes Passed
824
Passed By
1541
Net Change
-717
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22419
5K → 10K133374-241#22419#22660
10K → 15K126188-62#22660#22722
15K → 20K110168-58#22722#22780
20K → Half2039-19#22780#22799
Half → 25K62130-68#22799#22867
25K → 30K114142-28#22867#22895
30K → 20M5281-29#22895#22924
20M → 21M26104-78#22924#23002
21M → 35K2640-14#23002#23016
35K → 23M57570#23016#23016
23M → 24M4438+6#23016#23010
24M → 40K2965-36#23010#23046
40K → 25.2M914-5#23046#23051
25.2M → Finish16101-85#23051#23136
TOTALS8241541-717
📊

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