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BOSTON MARATHON 2023

Jackey De Haan

Bib: 21213•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
10:48/mi
33:33
↑ 97↓ 3451.5%
10K· 6.21 mi
10:39/mi
1:06:38
↑ 79↓ 1380.4%
15K· 9.32 mi
11:50/mi
1:43:24
↑ 67↓ 78
20K· 12.43 mi
12:07/mi
2:21:02
↑ 106↓ 860.1%
Half· 13.11 mi
11:30/mi
2:28:53
↑ 19↓ 370.5%
25K· 15.53 mi
12:43/mi
2:59:44
↑ 66↓ 880.2%
30K· 18.64 mi
12:59/mi
3:40:04
↑ 181↓ 1480.2%
20M
13:02/mi
3:57:47
↑ 64↓ 500.2%
21M
15:34/mi
4:13:21
↑ 106↓ 241.6%
35K· 21.75 mi
12:35/mi
4:22:46
↑ 17↓ 861.7%
23M
13:47/mi
4:40:01
↑ 23↓ 630.6%
24M
13:15/mi
4:53:16
↓ 821.3%
40K· 24.85 mi
14:51/mi
5:05:58
↓ 200.3%
25.2M
17:04/mi
5:11:51
↑ 13↓ 160.2%
Finish· 26.22 mi
12:10/mi
5:24:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:53
Pace11:21 /mi
2nd Half
Distance13.11 mi
Time2:55:22
Pace13:23 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5433:3310:4833:33
10:48
-
10K
6.21 mi11:59:591:06:3810:4333:05
10:39
-0:09
15K
9.32 mi12:36:451:43:2411:0636:46
11:50
+1:11
20K
12.43 mi13:14:232:21:0211:2137:38
12:07
+0:17
Half
13.11 mi13:22:142:28:5311:217:51
11:30
-0:37
25K
15.53 mi13:53:052:59:4411:3430:51
12:43
+1:13
30K
18.64 mi14:33:253:40:0411:4840:20
12:59
+0:16
20M
20.00 mi14:51:083:57:4711:5317:43
13:02
+0:03
21M
21.00 mi15:06:424:13:2112:0415:34
15:34
+2:32
35K
21.75 mi15:16:074:22:4612:059:25
12:35
-2:59
23M
23.00 mi15:33:224:40:0112:1017:15
13:47
+1:12
24M
24.00 mi15:46:374:53:1612:1313:15
13:15
-0:32
40K
24.85 mi15:59:195:05:5812:1912:42
14:51
+1:36
25.2M
25.20 mi16:05:125:11:5112:235:53
17:04
+2:13
Finish
26.22 mi16:17:365:24:1512:2312:24
12:10
-4:54

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

10:39 /mi

Average Pace

12:23 /mi

Slowest Pace

17:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:15

34% of race

Time at Steady Pace

2:41:36

50% of race

Time at Slower Pace

51:24

16% of race

Average Pace: 12:22 /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 mi11:26:5433:3310:4833:33
10:48
#25370
10K
6.21 mi11:59:591:06:3810:4333:05
10:39
#25129
15K
9.32 mi12:36:451:43:2411:0636:46
11:50
#25566
20K
12.43 mi13:14:232:21:0211:2137:38
12:07
#25632
Half
13.11 mi13:22:142:28:5311:217:51
11:30
#25630
25K
15.53 mi13:53:052:59:4411:3430:51
12:43
#25666
30K
18.64 mi14:33:253:40:0411:4840:20
12:59
#25642
20M
20.00 mi14:51:083:57:4711:5317:43
13:02
#25619
21M
21.00 mi15:06:424:13:2112:0415:34
15:34
#25652
35K
21.75 mi15:16:074:22:4612:059:25
12:35
#25633
23M
23.00 mi15:33:224:40:0112:1017:15
13:47
#25652
24M
24.00 mi15:46:374:53:1612:1313:15
13:15
#25676
40K
24.85 mi15:59:195:05:5812:1912:42
14:51
#25700
25.2M
25.20 mi16:05:125:11:5112:235:53
17:04
#25730
Finish
26.22 mi16:17:365:24:1512:2312:24
12:10
#25736
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25370106571065725953(Top 97%)11010(Top 96%)11010(Top 606%)
10K6.21 mi3.10 mi25129+24110508+14910508+14924942(Top 94%)10410(Top 91%)10410(Top 573%)
15K9.32 mi3.11 mi25566-43710776-26810776-26825953(Top 97%)11010(Top 96%)11010(Top 606%)
20K12.43 mi3.11 mi25632-6610829-5310829-5325725(Top 97%)10903(Top 95%)10903(Top 600%)
Half13.11 mi0.68 mi25630+210825+410825+425500(Top 96%)10789(Top 94%)10789(Top 594%)
25K15.53 mi2.42 mi25666-3610858-3310858-3325712(Top 97%)10913(Top 96%)10913(Top 601%)
30K18.64 mi3.11 mi25642+2410851+710851+725398(Top 95%)10790(Top 94%)10790(Top 594%)
20M20.00 mi1.36 mi25619+2310843+810843+825217(Top 95%)10711(Top 94%)10711(Top 589%)
21M21.00 mi1.00 mi25652-3310861-1810861-1826050(Top 98%)11139(Top 98%)11139(Top 613%)
35K21.75 mi0.75 mi25633+1910858+310858+325256(Top 95%)10790(Top 94%)10790(Top 594%)
23M23.00 mi1.25 mi25652-1910871-1310871-1325683(Top 96%)10995(Top 96%)10995(Top 605%)
24M24.00 mi1.00 mi25676-2410891-2010891-2025645(Top 96%)10999(Top 96%)10999(Top 605%)
40K24.85 mi0.85 mi25700-2410905-1410905-1426096(Top 98%)11218(Top 98%)11218(Top 617%)
25.2M25.20 mi0.35 mi25730-3010924-1910924-1926382(Top 99%)11338(Top 99%)11338(Top 624%)
Finish26.22 mi1.02 mi25736-610933-910933-925399(Top 95%)10870(Top 95%)10870(Top 598%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25953

Females

11010

F45-49

11010

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

24942

Females

10410

F45-49

10410

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25953

Females

11010

F45-49

11010

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25725

Females

10903

F45-49

10903

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25500

Females

10789

F45-49

10789

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25712

Females

10913

F45-49

10913

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25398

Females

10790

F45-49

10790

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25217

Females

10711

F45-49

10711

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26050

Females

11139

F45-49

11139

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25256

Females

10790

F45-49

10790

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

25683

Females

10995

F45-49

10995

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

25645

Females

10999

F45-49

10999

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26096

Females

11218

F45-49

11218

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26382

Females

11338

F45-49

11338

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25399

Females

10870

F45-49

10870

Passing Analysis

Category:
Athletes Passed
621
Passed By
987
Net Change
-366
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25370
5K → 10K30665+241#25370#25129
10K → 15K9446-437#25129#25566
15K → 20K58124-66#25566#25632
20K → Half1917+2#25632#25630
Half → 25K4379-36#25630#25666
25K → 30K7551+24#25666#25642
30K → 20M3916+23#25642#25619
20M → 21M841-33#25619#25652
21M → 35K256+19#25652#25633
35K → 23M1332-19#25633#25652
23M → 24M933-24#25652#25676
24M → 40K327-24#25676#25700
40K → 25.2M030-30#25700#25730
25.2M → Finish1420-6#25730#25736
TOTALS621987-366
📊

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