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BOSTON MARATHON 2023

Celeste Albertino

Bib: 12129•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:22
Rank: #9817
Start → 5K
23:22 | 7:31/mi
10K· 6.21 mi
45:50
Rank: #9011 (+806)
5K → 10K
22:28 | 7:14/mi
15K· 9.32 mi
1:08:33
Rank: #8877 (+134)
10K → 15K
22:43 | 7:19/mi
20K· 12.43 mi
1:31:45
Rank: #8871 (+6)
15K → 20K
23:12 | 7:28/mi
Half· 13.11 mi
1:36:50
Rank: #8907 (-36)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:55:04
Rank: #8886 (+21)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:18:34
Rank: #8636 (+250)
25K → 30K
23:30 | 7:34/mi
20M
2:28:53
Rank: #8515 (+121)
30K → 20M
10:19 | 7:36/mi
21M
2:36:45
Rank: #8384 (+131)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:42:15
Rank: #8334 (+50)
21M → 35K
5:30 | 7:21/mi
23M
2:51:55
Rank: #8275 (+59)
35K → 23M
9:40 | 7:43/mi
24M
2:59:35
Rank: #8277 (-2)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:06:10
Rank: #8241 (+36)
24M → 40K
6:35 | 7:42/mi
25.2M
3:08:57
Rank: #8202 (+39)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:16:32
Rank: #8168 (+34)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:50
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:39:42
Pace7:36 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5623:227:3123:22
7:31
-
10K
6.21 mi11:13:2445:507:2322:28
7:14
-0:17
15K
9.32 mi11:36:071:08:337:2122:43
7:19
+0:05
20K
12.43 mi11:59:191:31:457:2323:12
7:28
+0:09
Half
13.11 mi12:04:241:36:507:235:05
7:27
-0:01
25K
15.53 mi12:22:381:55:047:2418:14
7:31
+0:04
30K
18.64 mi12:46:082:18:347:2623:30
7:34
+0:03
20M
20.00 mi12:56:272:28:537:2710:19
7:36
+0:02
21M
21.00 mi13:04:192:36:457:287:52
7:52
+0:16
35K
21.75 mi13:09:492:42:157:285:30
7:21
-0:31
23M
23.00 mi13:19:292:51:557:289:40
7:43
+0:22
24M
24.00 mi13:27:092:59:357:297:40
7:40
-0:03
40K
24.85 mi13:33:443:06:107:296:35
7:42
+0:02
25.2M
25.20 mi13:36:313:08:577:302:47
8:04
+0:22
Finish
26.22 mi13:44:063:16:327:307:35
7:26
-0:38

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

7:30 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:45

99% of race

Time at Steady Pace

2:47

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:50:5623:227:3123:22
7:31
#9817
10K
6.21 mi11:13:2445:507:2322:28
7:14
#9011
15K
9.32 mi11:36:071:08:337:2122:43
7:19
#8877
20K
12.43 mi11:59:191:31:457:2323:12
7:28
#8871
Half
13.11 mi12:04:241:36:507:235:05
7:27
#8907
25K
15.53 mi12:22:381:55:047:2418:14
7:31
#8886
30K
18.64 mi12:46:082:18:347:2623:30
7:34
#8636
20M
20.00 mi12:56:272:28:537:2710:19
7:36
#8515
21M
21.00 mi13:04:192:36:457:287:52
7:52
#8384
35K
21.75 mi13:09:492:42:157:285:30
7:21
#8334
23M
23.00 mi13:19:292:51:557:289:40
7:43
#8275
24M
24.00 mi13:27:092:59:357:297:40
7:40
#8277
40K
24.85 mi13:33:443:06:107:296:35
7:42
#8241
25.2M
25.20 mi13:36:313:08:577:302:47
8:04
#8202
Finish
26.22 mi13:44:063:16:327:307:35
7:26
#8168
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9817176217628681(Top 33%)1312(Top 11%)1312(Top 27%)
10K6.21 mi3.10 mi9011+8061419+3431419+3438352(Top 31%)1171(Top 10%)1171(Top 24%)
15K9.32 mi3.11 mi8877+1341376+431376+438681(Top 33%)1312(Top 11%)1312(Top 27%)
20K12.43 mi3.11 mi8871+61384-81384-89059(Top 34%)1511(Top 13%)1511(Top 31%)
Half13.11 mi0.68 mi8907-361407-231407-239849(Top 37%)1804(Top 16%)1804(Top 37%)
25K15.53 mi2.42 mi8886+211404+31404+38928(Top 34%)1528(Top 13%)1528(Top 31%)
30K18.64 mi3.11 mi8636+2501352+521352+527688(Top 29%)1178(Top 10%)1178(Top 24%)
20M20.00 mi1.36 mi8515+1211324+281324+287463(Top 28%)1202(Top 11%)1202(Top 25%)
21M21.00 mi1.00 mi8384+1311300+241300+246577(Top 25%)974(Top 9%)974(Top 20%)
35K21.75 mi0.75 mi8334+501287+131287+137520(Top 28%)1312(Top 11%)1312(Top 27%)
23M23.00 mi1.25 mi8275+591284+31284+37880(Top 30%)1527(Top 13%)1527(Top 31%)
24M24.00 mi1.00 mi8277-21310-261310-268867(Top 33%)2029(Top 18%)2029(Top 42%)
40K24.85 mi0.85 mi8241+361316-61316-68001(Top 30%)1739(Top 15%)1739(Top 36%)
25.2M25.20 mi0.35 mi8202+391311+51311+56972(Top 26%)1395(Top 12%)1395(Top 29%)
Finish26.22 mi1.02 mi8168+341319-81319-88111(Top 30%)1875(Top 16%)1875(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8681

Females

1312

F18-39

1312

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8352

Females

1171

F18-39

1171

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8681

Females

1312

F18-39

1312

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9059

Females

1511

F18-39

1511

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9849

Females

1804

F18-39

1804

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8928

Females

1528

F18-39

1528

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7688

Females

1178

F18-39

1178

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7463

Females

1202

F18-39

1202

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6577

Females

974

F18-39

974

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7520

Females

1312

F18-39

1312

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7880

Females

1527

F18-39

1527

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8867

Females

2029

F18-39

2029

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8001

Females

1739

F18-39

1739

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6972

Females

1395

F18-39

1395

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8111

Females

1875

F18-39

1875

Passing Analysis

Category:
Athletes Passed
2359
Passed By
710
Net Change
+1649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9817
5K → 10K85852+806#9817#9011
10K → 15K21985+134#9011#8877
15K → 20K127121+6#8877#8871
20K → Half1652-36#8871#8907
Half → 25K10786+21#8907#8886
25K → 30K29646+250#8886#8636
30K → 20M14928+121#8636#8515
20M → 21M14211+131#8515#8384
21M → 35K7020+50#8384#8334
35K → 23M11455+59#8334#8275
23M → 24M6567-2#8275#8277
24M → 40K7438+36#8277#8241
40K → 25.2M467+39#8241#8202
25.2M → Finish7642+34#8202#8168
TOTALS2359710+1649
📊

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