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BOSTON MARATHON 2023

Daniella Cullimore

Bib: 15452•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Division (F18-39)
#0 / 4884
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
8:05/mi
25:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:14:59
↑ 67↓ 78
20K· 12.43 mi
8:27/mi
1:41:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:46:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:07:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:34:59
↑ 181↓ 1480.2%
20M
8:46/mi
2:46:54
↑ 64↓ 500.2%
21M
9:41/mi
2:56:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:03:11
↑ 17↓ 861.7%
23M
8:48/mi
3:14:12
↑ 23↓ 630.6%
24M
8:24/mi
3:22:36
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:29:47
↓ 200.3%
25.2M
9:05/mi
3:32:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:41:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:56
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:54:10
Pace8:43 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0025:068:0525:06
8:05
-
10K
6.21 mi11:20:4249:488:0124:42
7:57
-0:08
15K
9.32 mi11:45:531:14:598:0325:11
8:06
+0:09
20K
12.43 mi12:12:081:41:148:0926:15
8:27
+0:21
Half
13.11 mi12:17:501:46:568:095:42
8:21
-0:06
25K
15.53 mi12:38:292:07:358:1320:39
8:31
+0:10
30K
18.64 mi13:05:532:34:598:1927:24
8:49
+0:18
20M
20.00 mi13:17:482:46:548:2111:55
8:46
-0:03
21M
21.00 mi13:27:292:56:358:259:41
9:41
+0:55
35K
21.75 mi13:34:053:03:118:256:36
8:49
-0:52
23M
23.00 mi13:45:063:14:128:2711:01
8:48
-0:01
24M
24.00 mi13:53:303:22:368:278:24
8:24
-0:24
40K
24.85 mi14:00:413:29:478:267:11
8:24
0:00
25.2M
25.20 mi14:03:493:32:558:273:08
9:05
+0:41
Finish
26.22 mi14:12:003:41:068:268:11
8:02
-1:03

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

7:57 /mi

Average Pace

8:26 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:10

38% of race

Time at Steady Pace

1:08:11

31% of race

Time at Slower Pace

1:09:45

32% of race

Average Pace: 8:26 /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 mi10:56:0025:068:0525:06
8:05
#14568
10K
6.21 mi11:20:4249:488:0124:42
7:57
#14493
15K
9.32 mi11:45:531:14:598:0325:11
8:06
#14704
20K
12.43 mi12:12:081:41:148:0926:15
8:27
#15226
Half
13.11 mi12:17:501:46:568:095:42
8:21
#15294
25K
15.53 mi12:38:292:07:358:1320:39
8:31
#15443
30K
18.64 mi13:05:532:34:598:1927:24
8:49
#15578
20M
20.00 mi13:17:482:46:548:2111:55
8:46
#15527
21M
21.00 mi13:27:292:56:358:259:41
9:41
#15587
35K
21.75 mi13:34:053:03:118:256:36
8:49
#15642
23M
23.00 mi13:45:063:14:128:2711:01
8:48
#15580
24M
24.00 mi13:53:303:22:368:278:24
8:24
#15497
40K
24.85 mi14:00:413:29:478:267:11
8:24
#15396
25.2M
25.20 mi14:03:493:32:558:273:08
9:05
#15336
Finish
26.22 mi14:12:003:41:068:268:11
8:02
#15209
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi145684368436815221(Top 57%)4807(Top 42%)4807(Top 98%)
10K6.21 mi3.10 mi14493+754338+304338+3014422(Top 54%)4317(Top 38%)4317(Top 88%)
15K9.32 mi3.11 mi14704-2114478-1404478-14015221(Top 57%)4807(Top 42%)4807(Top 98%)
20K12.43 mi3.11 mi15226-5224826-3484826-34816538(Top 62%)5666(Top 50%)5666(Top 116%)
Half13.11 mi0.68 mi15294-684871-454871-4516850(Top 63%)5796(Top 51%)5796(Top 119%)
25K15.53 mi2.42 mi15443-1494993-1224993-12216302(Top 61%)5609(Top 49%)5609(Top 115%)
30K18.64 mi3.11 mi15578-1355113-1205113-12016191(Top 61%)5607(Top 49%)5607(Top 115%)
20M20.00 mi1.36 mi15527+515104+95104+915263(Top 57%)5143(Top 45%)5143(Top 105%)
21M21.00 mi1.00 mi15587-605171-675171-6716783(Top 63%)6059(Top 53%)6059(Top 124%)
35K21.75 mi0.75 mi15642-555221-505221-5017056(Top 64%)6294(Top 55%)6294(Top 129%)
23M23.00 mi1.25 mi15580+625213+85213+814996(Top 56%)5167(Top 45%)5167(Top 106%)
24M24.00 mi1.00 mi15497+835174+395174+3913905(Top 52%)4620(Top 40%)4620(Top 95%)
40K24.85 mi0.85 mi15396+1015123+515123+5112758(Top 48%)4096(Top 36%)4096(Top 84%)
25.2M25.20 mi0.35 mi15336+605094+295094+2913094(Top 49%)4292(Top 38%)4292(Top 88%)
Finish26.22 mi1.02 mi15209+1275027+675027+6712371(Top 46%)3902(Top 34%)3902(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15221

Females

4807

F18-39

4807

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14422

Females

4317

F18-39

4317

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15221

Females

4807

F18-39

4807

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16538

Females

5666

F18-39

5666

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16850

Females

5796

F18-39

5796

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16302

Females

5609

F18-39

5609

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16191

Females

5607

F18-39

5607

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15263

Females

5143

F18-39

5143

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16783

Females

6059

F18-39

6059

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17056

Females

6294

F18-39

6294

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14996

Females

5167

F18-39

5167

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13905

Females

4620

F18-39

4620

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12758

Females

4096

F18-39

4096

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13094

Females

4292

F18-39

4292

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12371

Females

3902

F18-39

3902

Passing Analysis

Category:
Athletes Passed
1524
Passed By
2165
Net Change
-641
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14568
5K → 10K332257+75#14568#14493
10K → 15K127338-211#14493#14704
15K → 20K65587-522#14704#15226
20K → Half1886-68#15226#15294
Half → 25K92241-149#15294#15443
25K → 30K138273-135#15443#15578
30K → 20M10857+51#15578#15527
20M → 21M67127-60#15527#15587
21M → 35K3186-55#15587#15642
35K → 23M11149+62#15642#15580
23M → 24M10421+83#15580#15497
24M → 40K11918+101#15497#15396
40K → 25.2M699+60#15396#15336
25.2M → Finish14316+127#15336#15209
TOTALS15242165-641
📊

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