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BOSTON MARATHON 2023

Rebecca Doner

Bib: 15302•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 17%
Division (F18-39)
#0 / 4884
Top 30%
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
7:14/mi
22:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
45:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:08:02
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:31:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:36:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:54:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:58/mi
2:19:26
↑ 181↓ 1480.2%
20M
8:23/mi
2:30:50
↑ 64↓ 500.2%
21M
8:45/mi
2:39:35
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:45:30
↑ 17↓ 861.7%
23M
8:19/mi
2:55:55
↑ 23↓ 630.6%
24M
7:59/mi
3:03:54
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:11:02
↓ 200.3%
25.2M
8:54/mi
3:14:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:21:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:16
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:45:24
Pace8:02 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5922:277:1422:27
7:14
-
10K
6.21 mi11:16:5045:187:1722:51
7:21
+0:07
15K
9.32 mi11:39:341:08:027:1822:44
7:19
-0:02
20K
12.43 mi12:02:421:31:107:2023:08
7:27
+0:08
Half
13.11 mi12:07:481:36:167:215:06
7:29
+0:02
25K
15.53 mi12:26:141:54:427:2318:26
7:36
+0:07
30K
18.64 mi12:50:582:19:267:2924:44
7:58
+0:22
20M
20.00 mi13:02:222:30:507:3211:24
8:23
+0:25
21M
21.00 mi13:11:072:39:357:368:45
8:45
+0:22
35K
21.75 mi13:17:022:45:307:375:55
7:55
-0:50
23M
23.00 mi13:27:272:55:557:3910:25
8:19
+0:24
24M
24.00 mi13:35:263:03:547:407:59
7:59
-0:20
40K
24.85 mi13:42:343:11:027:417:08
8:21
+0:22
25.2M
25.20 mi13:45:383:14:067:423:04
8:54
+0:33
Finish
26.22 mi13:53:123:21:407:427:34
7:26
-1:28

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

7:14 /mi

Average Pace

7:42 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:16

61% of race

Time at Steady Pace

38:38

19% of race

Time at Slower Pace

40:46

20% of race

Average Pace: 7:41 /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 mi10:53:5922:277:1422:27
7:14
#7672
10K
6.21 mi11:16:5045:187:1722:51
7:21
#8386
15K
9.32 mi11:39:341:08:027:1822:44
7:19
#8463
20K
12.43 mi12:02:421:31:107:2023:08
7:27
#8522
Half
13.11 mi12:07:481:36:167:215:06
7:29
#8596
25K
15.53 mi12:26:141:54:427:2318:26
7:36
#8705
30K
18.64 mi12:50:582:19:267:2924:44
7:58
#9009
20M
20.00 mi13:02:222:30:507:3211:24
8:23
#9284
21M
21.00 mi13:11:072:39:357:368:45
8:45
#9425
35K
21.75 mi13:17:022:45:307:375:55
7:55
#9492
23M
23.00 mi13:27:272:55:557:3910:25
8:19
#9600
24M
24.00 mi13:35:263:03:547:407:59
7:59
#9635
40K
24.85 mi13:42:343:11:027:417:08
8:21
#9723
25.2M
25.20 mi13:45:383:14:067:423:04
8:54
#9747
Finish
26.22 mi13:53:123:21:407:427:34
7:26
#9640
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76729039038717(Top 33%)1332(Top 12%)1332(Top 27%)
10K6.21 mi3.10 mi8386-7141176-2731176-2739280(Top 35%)1535(Top 13%)1535(Top 31%)
15K9.32 mi3.11 mi8463-771206-301206-308717(Top 33%)1332(Top 12%)1332(Top 27%)
20K12.43 mi3.11 mi8522-591248-421248-428891(Top 33%)1446(Top 13%)1446(Top 30%)
Half13.11 mi0.68 mi8596-741272-241272-2410088(Top 38%)1924(Top 17%)1924(Top 39%)
25K15.53 mi2.42 mi8705-1091334-621334-629582(Top 36%)1820(Top 16%)1820(Top 37%)
30K18.64 mi3.11 mi9009-3041491-1571491-15710582(Top 40%)2434(Top 21%)2434(Top 50%)
20M20.00 mi1.36 mi9284-2751626-1351626-13512948(Top 49%)3817(Top 33%)3817(Top 78%)
21M21.00 mi1.00 mi9425-1411703-771703-7711969(Top 45%)3371(Top 30%)3371(Top 69%)
35K21.75 mi0.75 mi9492-671746-431746-4311460(Top 43%)3100(Top 27%)3100(Top 63%)
23M23.00 mi1.25 mi9600-1081821-751821-7512040(Top 45%)3529(Top 31%)3529(Top 72%)
24M24.00 mi1.00 mi9635-351858-371858-3711125(Top 42%)3149(Top 28%)3149(Top 64%)
40K24.85 mi0.85 mi9723-881924-661924-6612334(Top 46%)3834(Top 34%)3834(Top 79%)
25.2M25.20 mi0.35 mi9747-241952-281952-2811919(Top 45%)3657(Top 32%)3657(Top 75%)
Finish26.22 mi1.02 mi9640+1071935+171935+177995(Top 30%)1825(Top 16%)1825(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8717

Females

1332

F18-39

1332

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9280

Females

1535

F18-39

1535

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8717

Females

1332

F18-39

1332

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8891

Females

1446

F18-39

1446

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10088

Females

1924

F18-39

1924

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9582

Females

1820

F18-39

1820

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10582

Females

2434

F18-39

2434

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12948

Females

3817

F18-39

3817

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11969

Females

3371

F18-39

3371

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11460

Females

3100

F18-39

3100

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12040

Females

3529

F18-39

3529

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11125

Females

3149

F18-39

3149

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12334

Females

3834

F18-39

3834

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11919

Females

3657

F18-39

3657

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7995

Females

1825

F18-39

1825

Passing Analysis

Category:
Athletes Passed
836*
Passed By
2804
Net Change
-1968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7672
5K → 10K35749-714#7672#8386
10K → 15K110187-77#8386#8463
15K → 20K122181-59#8463#8522
20K → Half579-74#8522#8596
Half → 25K64173-109#8596#8705
25K → 30K89393-304#8705#9009
30K → 20M25300-275#9009#9284
20M → 21M51192-141#9284#9425
21M → 35K34101-67#9425#9492
35K → 23M59167-108#9492#9600
23M → 24M4984-35#9600#9635
24M → 40K34*122-88#9635#9723
40K → 25.2M2852-24#9723#9747
25.2M → Finish131*24+107#9747#9640
TOTALS836*2804-1968

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

📊

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