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BOSTON MARATHON 2023

Danielle Maccini

Bib: 29841•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
9:14/mi
28:42
↑ 97↓ 3451.5%
10K· 6.21 mi
9:37/mi
58:36
↑ 79↓ 1380.4%
15K· 9.32 mi
10:05/mi
1:29:55
↑ 67↓ 78
20K· 12.43 mi
10:41/mi
2:03:07
↑ 106↓ 860.1%
Half· 13.11 mi
10:17/mi
2:10:08
↑ 19↓ 370.5%
25K· 15.53 mi
10:54/mi
2:36:33
↑ 66↓ 880.2%
30K· 18.64 mi
11:29/mi
3:12:13
↑ 181↓ 1480.2%
20M
11:47/mi
3:28:14
↑ 64↓ 500.2%
21M
12:45/mi
3:40:59
↑ 106↓ 241.6%
35K· 21.75 mi
11:12/mi
3:49:22
↑ 17↓ 861.7%
23M
12:02/mi
4:04:26
↑ 23↓ 630.6%
24M
12:27/mi
4:16:53
↓ 821.3%
40K· 24.85 mi
13:47/mi
4:28:40
↓ 200.3%
25.2M
13:17/mi
4:33:15
↑ 13↓ 160.2%
Finish· 26.22 mi
11:22/mi
4:44:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:08
Pace9:56 /mi
2nd Half
Distance13.11 mi
Time2:34:42
Pace11:48 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2528:429:1428:42
9:14
-
10K
6.21 mi12:16:1958:369:2629:54
9:37
+0:23
15K
9.32 mi12:47:381:29:559:3931:19
10:05
+0:28
20K
12.43 mi13:20:502:03:079:5433:12
10:41
+0:36
Half
13.11 mi13:27:512:10:089:567:01
10:17
-0:24
25K
15.53 mi13:54:162:36:3310:0526:25
10:54
+0:37
30K
18.64 mi14:29:563:12:1310:1935:40
11:29
+0:35
20M
20.00 mi14:45:573:28:1410:2516:01
11:47
+0:18
21M
21.00 mi14:58:423:40:5910:3112:45
12:45
+0:58
35K
21.75 mi15:07:053:49:2210:338:23
11:12
-1:33
23M
23.00 mi15:22:094:04:2610:3815:04
12:02
+0:50
24M
24.00 mi15:34:364:16:5310:4212:27
12:27
+0:25
40K
24.85 mi15:46:234:28:4010:4911:47
13:47
+1:20
25.2M
25.20 mi15:50:584:33:1510:514:35
13:17
-0:30
Finish
26.22 mi16:02:334:44:5010:5211:35
11:22
-1:55

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

9:14 /mi

Average Pace

10:52 /mi

Slowest Pace

13:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:08

46% of race

Time at Steady Pace

1:38:04

34% of race

Time at Slower Pace

56:38

20% of race

Average Pace: 10:52 /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 mi11:46:2528:429:1428:42
9:14
#21338
10K
6.21 mi12:16:1958:369:2629:54
9:37
#22151
15K
9.32 mi12:47:381:29:559:3931:19
10:05
#22723
20K
12.43 mi13:20:502:03:079:5433:12
10:41
#23216
Half
13.11 mi13:27:512:10:089:567:01
10:17
#23262
25K
15.53 mi13:54:162:36:3310:0526:25
10:54
#23381
30K
18.64 mi14:29:563:12:1310:1935:40
11:29
#23465
20M
20.00 mi14:45:573:28:1410:2516:01
11:47
#23506
21M
21.00 mi14:58:423:40:5910:3112:45
12:45
#23529
35K
21.75 mi15:07:053:49:2210:338:23
11:12
#23542
23M
23.00 mi15:22:094:04:2610:3815:04
12:02
#23587
24M
24.00 mi15:34:364:16:5310:4212:27
12:27
#23688
40K
24.85 mi15:46:234:28:4010:4911:47
13:47
#23817
25.2M
25.20 mi15:50:584:33:1510:514:35
13:17
#23831
Finish
26.22 mi16:02:334:44:5010:5211:35
11:22
#23869
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi213388550855023666(Top 89%)9702(Top 85%)9702(Top 199%)
10K6.21 mi3.10 mi22151-8138928-3788928-37822871(Top 86%)9271(Top 81%)9271(Top 190%)
15K9.32 mi3.11 mi22723-5729198-2709198-27023666(Top 89%)9702(Top 85%)9702(Top 199%)
20K12.43 mi3.11 mi23216-4939463-2659463-26524154(Top 91%)9999(Top 88%)9999(Top 205%)
Half13.11 mi0.68 mi23262-469495-329495-3223840(Top 90%)9829(Top 86%)9829(Top 201%)
25K15.53 mi2.42 mi23381-1199555-609555-6023809(Top 89%)9853(Top 86%)9853(Top 202%)
30K18.64 mi3.11 mi23465-849625-709625-7023840(Top 90%)9926(Top 87%)9926(Top 203%)
20M20.00 mi1.36 mi23506-419661-369661-3623937(Top 90%)10045(Top 88%)10045(Top 206%)
21M21.00 mi1.00 mi23529-239680-199680-1923769(Top 89%)9967(Top 87%)9967(Top 204%)
35K21.75 mi0.75 mi23542-139691-119691-1123668(Top 89%)9974(Top 87%)9974(Top 204%)
23M23.00 mi1.25 mi23587-459718-279718-2724064(Top 90%)10166(Top 89%)10166(Top 208%)
24M24.00 mi1.00 mi23688-1019792-749792-7425018(Top 94%)10691(Top 94%)10691(Top 219%)
40K24.85 mi0.85 mi23817-1299863-719863-7125555(Top 96%)10953(Top 96%)10953(Top 224%)
25.2M25.20 mi0.35 mi23831-149878-159878-1524314(Top 91%)10335(Top 90%)10335(Top 212%)
Finish26.22 mi1.02 mi23869-389904-269904-2624515(Top 92%)10413(Top 91%)10413(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23666

Females

9702

F18-39

9702

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22871

Females

9271

F18-39

9271

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23666

Females

9702

F18-39

9702

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24154

Females

9999

F18-39

9999

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23840

Females

9829

F18-39

9829

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23809

Females

9853

F18-39

9853

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23840

Females

9926

F18-39

9926

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23937

Females

10045

F18-39

10045

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

23769

Females

9967

F18-39

9967

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23668

Females

9974

F18-39

9974

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

24064

Females

10166

F18-39

10166

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

25018

Females

10691

F18-39

10691

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25555

Females

10953

F18-39

10953

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24314

Females

10335

F18-39

10335

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24515

Females

10413

F18-39

10413

Passing Analysis

Category:
Athletes Passed
401
Passed By
2932
Net Change
-2531
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21338
5K → 10K41854-813#21338#22151
10K → 15K34606-572#22151#22723
15K → 20K28521-493#22723#23216
20K → Half2066-46#23216#23262
Half → 25K50169-119#23262#23381
25K → 30K76160-84#23381#23465
30K → 20M4283-41#23465#23506
20M → 21M2649-23#23506#23529
21M → 35K2235-13#23529#23542
35K → 23M2873-45#23542#23587
23M → 24M12113-101#23587#23688
24M → 40K4133-129#23688#23817
40K → 25.2M1024-14#23817#23831
25.2M → Finish846-38#23831#23869
TOTALS4012932-2531
📊

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