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BOSTON MARATHON 2023

Rebekka Dow

Bib: 2008•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F40-44)
#0 / 1878
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:55
Rank: #8663
Start → 5K
22:55 | 7:23/mi
10K· 6.21 mi
45:29
Rank: #8584 (+79)
5K → 10K
22:34 | 7:16/mi
15K· 9.32 mi
1:09:29
Rank: #9649 (-1065)
10K → 15K
24:00 | 7:43/mi
20K· 12.43 mi
1:33:30
Rank: #10044 (-395)
15K → 20K
24:01 | 7:44/mi
Half· 13.11 mi
1:38:52
Rank: #10216 (-172)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
1:58:10
Rank: #10541 (-325)
Half → 25K
19:18 | 7:58/mi
30K· 18.64 mi
2:22:42
Rank: #10397 (+144)
25K → 30K
24:32 | 7:54/mi
20M
2:32:59
Rank: #10157 (+240)
30K → 20M
10:17 | 7:34/mi
21M
2:40:54
Rank: #9908 (+249)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:46:30
Rank: #9842 (+66)
21M → 35K
5:36 | 7:29/mi
23M
2:56:00
Rank: #9628 (+214)
35K → 23M
9:30 | 7:35/mi
24M
3:03:27
Rank: #9518 (+110)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
3:10:00
Rank: #9413 (+105)
24M → 40K
6:33 | 7:40/mi
25.2M
3:12:51
Rank: #9368 (+45)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:20:17
Rank: #9275 (+93)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:52
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:41:25
Pace7:44 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4622:557:2322:55
7:23
-
10K
6.21 mi11:11:2045:297:1922:34
7:16
-0:07
15K
9.32 mi11:35:201:09:297:2724:00
7:43
+0:27
20K
12.43 mi11:59:211:33:307:3124:01
7:44
+0:01
Half
13.11 mi12:04:431:38:527:325:22
7:52
+0:08
25K
15.53 mi12:24:011:58:107:3619:18
7:58
+0:06
30K
18.64 mi12:48:332:22:427:3924:32
7:54
-0:04
20M
20.00 mi12:58:502:32:597:3910:17
7:34
-0:20
21M
21.00 mi13:06:452:40:547:407:55
7:55
+0:21
35K
21.75 mi13:12:212:46:307:395:36
7:29
-0:26
23M
23.00 mi13:21:512:56:007:399:30
7:35
+0:06
24M
24.00 mi13:29:183:03:277:397:27
7:27
-0:08
40K
24.85 mi13:35:513:10:007:396:33
7:40
+0:13
25.2M
25.20 mi13:38:423:12:517:392:51
8:16
+0:36
Finish
26.22 mi13:46:083:20:177:397:26
7:18
-0:58

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

7:16 /mi

Average Pace

7:39 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:26

99% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:48:4622:557:2322:55
7:23
#8663
10K
6.21 mi11:11:2045:297:1922:34
7:16
#8584
15K
9.32 mi11:35:201:09:297:2724:00
7:43
#9649
20K
12.43 mi11:59:211:33:307:3124:01
7:44
#10044
Half
13.11 mi12:04:431:38:527:325:22
7:52
#10216
25K
15.53 mi12:24:011:58:107:3619:18
7:58
#10541
30K
18.64 mi12:48:332:22:427:3924:32
7:54
#10397
20M
20.00 mi12:58:502:32:597:3910:17
7:34
#10157
21M
21.00 mi13:06:452:40:547:407:55
7:55
#9908
35K
21.75 mi13:12:212:46:307:395:36
7:29
#9842
23M
23.00 mi13:21:512:56:007:399:30
7:35
#9628
24M
24.00 mi13:29:183:03:277:397:27
7:27
#9518
40K
24.85 mi13:35:513:10:007:396:33
7:40
#9413
25.2M
25.20 mi13:38:423:12:517:392:51
8:16
#9368
Finish
26.22 mi13:46:083:20:177:397:26
7:18
#9275
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi86631262126212052(Top 45%)2920(Top 26%)2920(Top 155%)
10K6.21 mi3.10 mi8584+791252+101252+108606(Top 32%)1267(Top 11%)1267(Top 67%)
15K9.32 mi3.11 mi9649-10651684-4321684-43212052(Top 45%)2920(Top 26%)2920(Top 155%)
20K12.43 mi3.11 mi10044-3951847-1631847-16311145(Top 42%)2478(Top 22%)2478(Top 132%)
Half13.11 mi0.68 mi10216-1721936-891936-8913305(Top 50%)3654(Top 32%)3654(Top 195%)
25K15.53 mi2.42 mi10541-3252113-1772113-17712400(Top 47%)3300(Top 29%)3300(Top 176%)
30K18.64 mi3.11 mi10397+1442101+122101+1210114(Top 38%)2213(Top 19%)2213(Top 118%)
20M20.00 mi1.36 mi10157+2402003+982003+987313(Top 27%)1151(Top 10%)1151(Top 61%)
21M21.00 mi1.00 mi9908+2491907+961907+966874(Top 26%)1093(Top 10%)1093(Top 58%)
35K21.75 mi0.75 mi9842+661891+161891+168491(Top 32%)1690(Top 15%)1690(Top 90%)
23M23.00 mi1.25 mi9628+2141831+601831+607033(Top 26%)1194(Top 10%)1194(Top 64%)
24M24.00 mi1.00 mi9518+1101802+291802+297402(Top 28%)1449(Top 13%)1449(Top 77%)
40K24.85 mi0.85 mi9413+1051796+61796+67750(Top 29%)1657(Top 15%)1657(Top 88%)
25.2M25.20 mi0.35 mi9368+451788+81788+88154(Top 31%)1881(Top 16%)1881(Top 100%)
Finish26.22 mi1.02 mi9275+931764+241764+247131(Top 27%)1478(Top 13%)1478(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12052

Females

2920

F40-44

2920

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8606

Females

1267

F40-44

1267

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12052

Females

2920

F40-44

2920

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11145

Females

2478

F40-44

2478

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13305

Females

3654

F40-44

3654

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12400

Females

3300

F40-44

3300

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10114

Females

2213

F40-44

2213

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7313

Females

1151

F40-44

1151

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6874

Females

1093

F40-44

1093

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8491

Females

1690

F40-44

1690

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7033

Females

1194

F40-44

1194

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7402

Females

1449

F40-44

1449

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7750

Females

1657

F40-44

1657

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8154

Females

1881

F40-44

1881

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7131

Females

1478

F40-44

1478

Passing Analysis

Category:
Athletes Passed
1867*
Passed By
2477
Net Change
-612
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8663
5K → 10K286207+79#8663#8584
10K → 15K171082-1065#8584#9649
15K → 20K66460-395#9649#10044
20K → Half4175-172#10044#10216
Half → 25K54379-325#10216#10541
25K → 30K24096+144#10541#10397
30K → 20M244*4+240#10397#10157
20M → 21M254*5+249#10157#9908
21M → 35K7812+66#9908#9842
35K → 23M2217+214#9842#9628
23M → 24M12111+110#9628#9518
24M → 40K121*16+105#9518#9413
40K → 25.2M538+45#9413#9368
25.2M → Finish10815+93#9368#9275
TOTALS1867*2477-612

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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