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BOSTON MARATHON 2023

Christine Antonini

Bib: 24771•F

NY

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
8:38/mi
26:48
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
53:57
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:21:12
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:48:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:54:54
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:17:11
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:47:07
↑ 181↓ 1480.2%
20M
9:38/mi
3:00:12
↑ 64↓ 500.2%
21M
10:28/mi
3:10:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:17:19
↑ 17↓ 861.7%
23M
9:29/mi
3:29:12
↑ 23↓ 630.6%
24M
9:06/mi
3:38:18
↓ 821.3%
40K· 24.85 mi
9:17/mi
3:46:14
↓ 200.3%
25.2M
10:21/mi
3:49:48
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
3:59:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:54
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:04:12
Pace9:28 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:5226:488:3826:48
8:38
-
10K
6.21 mi12:09:0153:578:4127:09
8:44
+0:06
15K
9.32 mi12:36:161:21:128:4327:15
8:46
+0:02
20K
12.43 mi13:03:551:48:518:4627:39
8:54
+0:08
Half
13.11 mi13:09:581:54:548:466:03
8:52
-0:02
25K
15.53 mi13:32:152:17:118:5022:17
9:11
+0:19
30K
18.64 mi14:02:112:47:078:5829:56
9:38
+0:27
20M
20.00 mi14:15:163:00:129:0113:05
9:38
0:00
21M
21.00 mi14:25:443:10:409:0510:28
10:28
+0:50
35K
21.75 mi14:32:233:17:199:046:39
8:53
-1:35
23M
23.00 mi14:44:163:29:129:0611:53
9:29
+0:36
24M
24.00 mi14:53:223:38:189:069:06
9:06
-0:23
40K
24.85 mi15:01:183:46:149:067:56
9:17
+0:11
25.2M
25.20 mi15:04:523:49:489:073:34
10:21
+1:04
Finish
26.22 mi15:14:103:59:069:089:18
9:08
-1:13

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

8:38 /mi

Average Pace

9:08 /mi

Slowest Pace

10:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:12

34% of race

Time at Steady Pace

1:28:58

37% of race

Time at Slower Pace

1:08:56

29% of race

Average Pace: 9:07 /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 mi11:41:5226:488:3826:48
8:38
#18407
10K
6.21 mi12:09:0153:578:4127:09
8:44
#19012
15K
9.32 mi12:36:161:21:128:4327:15
8:46
#19115
20K
12.43 mi13:03:551:48:518:4627:39
8:54
#19113
Half
13.11 mi13:09:581:54:548:466:03
8:52
#19143
25K
15.53 mi13:32:152:17:118:5022:17
9:11
#19267
30K
18.64 mi14:02:112:47:078:5829:56
9:38
#19425
20M
20.00 mi14:15:163:00:129:0113:05
9:38
#19412
21M
21.00 mi14:25:443:10:409:0510:28
10:28
#19413
35K
21.75 mi14:32:233:17:199:046:39
8:53
#19339
23M
23.00 mi14:44:163:29:129:0611:53
9:29
#19277
24M
24.00 mi14:53:223:38:189:069:06
9:06
#19220
40K
24.85 mi15:01:183:46:149:067:56
9:17
#19157
25.2M
25.20 mi15:04:523:49:489:073:34
10:21
#19140
Finish
26.22 mi15:14:103:59:069:089:18
9:08
#19157
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi184076819681919361(Top 73%)7306(Top 64%)7306(Top 402%)
10K6.21 mi3.10 mi19012-6057157-3387157-33819637(Top 74%)7472(Top 65%)7472(Top 411%)
15K9.32 mi3.11 mi19115-1037201-447201-4419361(Top 73%)7306(Top 64%)7306(Top 402%)
20K12.43 mi3.11 mi19113+27182+197182+1919214(Top 72%)7220(Top 63%)7220(Top 397%)
Half13.11 mi0.68 mi19143-307204-227204-2219858(Top 75%)7583(Top 66%)7583(Top 417%)
25K15.53 mi2.42 mi19267-1247282-787282-7819805(Top 74%)7584(Top 66%)7584(Top 417%)
30K18.64 mi3.11 mi19425-1587385-1037385-10319921(Top 75%)7719(Top 68%)7719(Top 425%)
20M20.00 mi1.36 mi19412+137398-137398-1319327(Top 73%)7469(Top 65%)7469(Top 411%)
21M21.00 mi1.00 mi19413-17408-107408-1019498(Top 73%)7640(Top 67%)7640(Top 420%)
35K21.75 mi0.75 mi19339+747372+367372+3617437(Top 65%)6530(Top 57%)6530(Top 359%)
23M23.00 mi1.25 mi19277+627336+367336+3618324(Top 69%)7030(Top 62%)7030(Top 387%)
24M24.00 mi1.00 mi19220+577316+207316+2017694(Top 66%)6745(Top 59%)6745(Top 371%)
40K24.85 mi0.85 mi19157+637290+267290+2617457(Top 66%)6666(Top 58%)6666(Top 367%)
25.2M25.20 mi0.35 mi19140+177284+67284+618648(Top 70%)7310(Top 64%)7310(Top 402%)
Finish26.22 mi1.02 mi19157-177297-137297-1318594(Top 70%)7224(Top 63%)7224(Top 398%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19361

Females

7306

F45-49

7306

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

19637

Females

7472

F45-49

7472

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19361

Females

7306

F45-49

7306

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19214

Females

7220

F45-49

7220

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19858

Females

7583

F45-49

7583

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19805

Females

7584

F45-49

7584

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19921

Females

7719

F45-49

7719

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19327

Females

7469

F45-49

7469

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19498

Females

7640

F45-49

7640

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17437

Females

6530

F45-49

6530

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18324

Females

7030

F45-49

7030

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17694

Females

6745

F45-49

6745

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17457

Females

6666

F45-49

6666

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18648

Females

7310

F45-49

7310

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18594

Females

7224

F45-49

7224

Passing Analysis

Category:
Athletes Passed
1234
Passed By
1984
Net Change
-750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18407
5K → 10K118723-605#18407#19012
10K → 15K138241-103#19012#19115
15K → 20K162160+2#19115#19113
20K → Half1646-30#19113#19143
Half → 25K85209-124#19143#19267
25K → 30K110268-158#19267#19425
30K → 20M9077+13#19425#19412
20M → 21M8485-1#19412#19413
21M → 35K828+74#19413#19339
35K → 23M10139+62#19339#19277
23M → 24M9033+57#19277#19220
24M → 40K8724+63#19220#19157
40K → 25.2M3417+17#19157#19140
25.2M → Finish3754-17#19140#19157
TOTALS12341984-750
📊

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