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BOSTON MARATHON 2023

Christina Bordonaro

Bib: 22272•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 (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:53
Rank: #16349
Start → 5K
25:53 | 8:20/mi
10K· 6.21 mi
51:23
Rank: #16288 (+61)
5K → 10K
25:30 | 8:12/mi
15K· 9.32 mi
1:17:25
Rank: #16559 (-271)
10K → 15K
26:02 | 8:23/mi
20K· 12.43 mi
1:44:21
Rank: #16913 (-354)
15K → 20K
26:56 | 8:40/mi
Half· 13.11 mi
1:50:13
Rank: #16998 (-85)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:11:17
Rank: #17047 (-49)
Half → 25K
21:04 | 8:41/mi
30K· 18.64 mi
2:40:46
Rank: #17507 (-460)
25K → 30K
29:29 | 9:29/mi
20M
2:53:39
Rank: #17616 (-109)
30K → 20M
12:53 | 9:29/mi
21M
3:06:25
Rank: #18409 (-793)
20M → 21M
12:46 | 12:46/mi
35K· 21.75 mi
3:14:55
Rank: #18822 (-413)
21M → 35K
8:30 | 11:22/mi
23M
3:31:06
Rank: #19647 (-825)
35K → 23M
16:11 | 12:56/mi
24M
3:40:52
Rank: #19671 (-24)
23M → 24M
9:46 | 9:46/mi
40K· 24.85 mi
3:49:45
Rank: #19751 (-80)
24M → 40K
8:53 | 10:23/mi
25.2M
3:54:13
Rank: #19880 (-129)
40K → 25.2M
4:28 | 12:57/mi
Finish· 26.22 mi
4:04:28
Rank: #19973 (-93)
25.2M → Finish
10:15 | 10:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:13
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:14:15
Pace10:14 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5625:538:2025:53
8:20
-
10K
6.21 mi11:49:2651:238:1625:30
8:12
-0:08
15K
9.32 mi12:15:281:17:258:1826:02
8:23
+0:11
20K
12.43 mi12:42:241:44:218:2426:56
8:40
+0:17
Half
13.11 mi12:48:161:50:138:245:52
8:36
-0:04
25K
15.53 mi13:09:202:11:178:2721:04
8:41
+0:05
30K
18.64 mi13:38:492:40:468:3729:29
9:29
+0:48
20M
20.00 mi13:51:422:53:398:4112:53
9:29
0:00
21M
21.00 mi14:04:283:06:258:5312:46
12:46
+3:17
35K
21.75 mi14:12:583:14:558:588:30
11:22
-1:24
23M
23.00 mi14:29:093:31:069:1116:11
12:56
+1:34
24M
24.00 mi14:38:553:40:529:129:46
9:46
-3:10
40K
24.85 mi14:47:483:49:459:158:53
10:23
+0:37
25.2M
25.20 mi14:52:163:54:139:184:28
12:57
+2:34
Finish
26.22 mi15:02:314:04:289:2010:15
10:04
-2:53

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

8:12 /mi

Average Pace

9:20 /mi

Slowest Pace

12:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:17

34% of race

Time at Steady Pace

1:50:23

45% of race

Time at Slower Pace

50:48

21% of race

Average Pace: 9:19 /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 mi11:23:5625:538:2025:53
8:20
#16349
10K
6.21 mi11:49:2651:238:1625:30
8:12
#16288
15K
9.32 mi12:15:281:17:258:1826:02
8:23
#16559
20K
12.43 mi12:42:241:44:218:2426:56
8:40
#16913
Half
13.11 mi12:48:161:50:138:245:52
8:36
#16998
25K
15.53 mi13:09:202:11:178:2721:04
8:41
#17047
30K
18.64 mi13:38:492:40:468:3729:29
9:29
#17507
20M
20.00 mi13:51:422:53:398:4112:53
9:29
#17616
21M
21.00 mi14:04:283:06:258:5312:46
12:46
#18409
35K
21.75 mi14:12:583:14:558:588:30
11:22
#18822
23M
23.00 mi14:29:093:31:069:1116:11
12:56
#19647
24M
24.00 mi14:38:553:40:529:129:46
9:46
#19671
40K
24.85 mi14:47:483:49:459:158:53
10:23
#19751
25.2M
25.20 mi14:52:163:54:139:184:28
12:57
#19880
Finish
26.22 mi15:02:314:04:289:2010:15
10:04
#19973
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi163495498549817018(Top 64%)5928(Top 52%)5928(Top 491%)
10K6.21 mi3.10 mi16288+615449+495449+4916306(Top 61%)5456(Top 48%)5456(Top 452%)
15K9.32 mi3.11 mi16559-2715638-1895638-18917018(Top 64%)5928(Top 52%)5928(Top 491%)
20K12.43 mi3.11 mi16913-3545873-2355873-23517917(Top 67%)6466(Top 57%)6466(Top 536%)
Half13.11 mi0.68 mi16998-855932-595932-5918279(Top 69%)6660(Top 58%)6660(Top 552%)
25K15.53 mi2.42 mi17047-495973-415973-4117305(Top 65%)6175(Top 54%)6175(Top 512%)
30K18.64 mi3.11 mi17507-4606260-2876260-28719388(Top 73%)7411(Top 65%)7411(Top 614%)
20M20.00 mi1.36 mi17616-1096342-826342-8218776(Top 71%)7179(Top 63%)7179(Top 595%)
21M21.00 mi1.00 mi18409-7936832-4906832-49023776(Top 89%)9974(Top 87%)9974(Top 826%)
35K21.75 mi0.75 mi18822-4137071-2397071-23923887(Top 90%)10074(Top 88%)10074(Top 835%)
23M23.00 mi1.25 mi19647-8257551-4807551-48025008(Top 94%)10642(Top 93%)10642(Top 882%)
24M24.00 mi1.00 mi19671-247576-257576-2520096(Top 75%)8030(Top 70%)8030(Top 665%)
40K24.85 mi0.85 mi19751-807638-627638-6220941(Top 79%)8569(Top 75%)8569(Top 710%)
25.2M25.20 mi0.35 mi19880-1297712-747712-7423878(Top 90%)10132(Top 89%)10132(Top 839%)
Finish26.22 mi1.02 mi19973-937781-697781-6921904(Top 82%)9071(Top 79%)9071(Top 752%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

17018

Females

5928

F50-54

5928

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16306

Females

5456

F50-54

5456

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

17018

Females

5928

F50-54

5928

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17917

Females

6466

F50-54

6466

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18279

Females

6660

F50-54

6660

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17305

Females

6175

F50-54

6175

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19388

Females

7411

F50-54

7411

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18776

Females

7179

F50-54

7179

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23776

Females

9974

F50-54

9974

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

23887

Females

10074

F50-54

10074

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

25008

Females

10642

F50-54

10642

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

20096

Females

8030

F50-54

8030

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20941

Females

8569

F50-54

8569

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23878

Females

10132

F50-54

10132

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21904

Females

9071

F50-54

9071

Passing Analysis

Category:
Athletes Passed
841
Passed By
4465
Net Change
-3624
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16349
5K → 10K313252+61#16349#16288
10K → 15K106377-271#16288#16559
15K → 20K85439-354#16559#16913
20K → Half691-85#16913#16998
Half → 25K103152-49#16998#17047
25K → 30K71531-460#17047#17507
30K → 20M54163-109#17507#17616
20M → 21M2795-793#17616#18409
21M → 35K2415-413#18409#18822
35K → 23M4829-825#18822#19647
23M → 24M4468-24#19647#19671
24M → 40K28108-80#19671#19751
40K → 25.2M4133-129#19751#19880
25.2M → Finish19112-93#19880#19973
TOTALS8414465-3624
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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