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BOSTON MARATHON 2023

Denise Arellano

Bib: 18923•F

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

Start
0:00:00
Race begins
5K· 3.11 mi
27:12
Rank: #19216
Start → 5K
27:12 | 8:45/mi
10K· 6.21 mi
54:10
Rank: #19218 (-2)
5K → 10K
26:58 | 8:41/mi
15K· 9.32 mi
1:21:26
Rank: #19255 (-37)
10K → 15K
27:16 | 8:47/mi
20K· 12.43 mi
1:49:32
Rank: #19393 (-138)
15K → 20K
28:06 | 9:03/mi
Half· 13.11 mi
1:55:36
Rank: #19423 (-30)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:18:12
Rank: #19608 (-185)
Half → 25K
22:36 | 9:19/mi
30K· 18.64 mi
2:49:27
Rank: #20012 (-404)
25K → 30K
31:15 | 10:04/mi
20M
3:03:02
Rank: #20057 (-45)
30K → 20M
13:35 | 10:00/mi
21M
3:13:42
Rank: #20047 (+10)
20M → 21M
10:40 | 10:40/mi
35K· 21.75 mi
3:20:34
Rank: #19989 (+58)
21M → 35K
6:52 | 9:11/mi
23M
3:32:13
Rank: #19839 (+150)
35K → 23M
11:39 | 9:18/mi
24M
3:41:12
Rank: #19731 (+108)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:49:09
Rank: #19658 (+73)
24M → 40K
7:57 | 9:18/mi
25.2M
3:52:38
Rank: #19627 (+31)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
4:01:58
Rank: #19608 (+19)
25.2M → Finish
9:20 | 9:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:36
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:06:22
Pace9:38 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2127:128:4527:12
8:45
-
10K
6.21 mi11:45:1954:108:4326:58
8:41
-0:04
15K
9.32 mi12:12:351:21:268:4427:16
8:47
+0:06
20K
12.43 mi12:40:411:49:328:4928:06
9:03
+0:16
Half
13.11 mi12:46:451:55:368:496:04
8:54
-0:09
25K
15.53 mi13:09:212:18:128:5422:36
9:19
+0:25
30K
18.64 mi13:40:362:49:279:0531:15
10:04
+0:45
20M
20.00 mi13:54:113:03:029:0913:35
10:00
-0:04
21M
21.00 mi14:04:513:13:429:1310:40
10:40
+0:40
35K
21.75 mi14:11:433:20:349:136:52
9:11
-1:29
23M
23.00 mi14:23:223:32:139:1411:39
9:18
+0:07
24M
24.00 mi14:32:213:41:129:138:59
8:59
-0:19
40K
24.85 mi14:40:183:49:099:137:57
9:18
+0:19
25.2M
25.20 mi14:43:473:52:389:143:29
10:06
+0:48
Finish
26.22 mi14:53:074:01:589:149:20
9:10
-0:56

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

8:41 /mi

Average Pace

9:14 /mi

Slowest Pace

10:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:26

34% of race

Time at Steady Pace

1:41:33

42% of race

Time at Slower Pace

58:59

24% of race

Average Pace: 9:14 /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 mi11:18:2127:128:4527:12
8:45
#19216
10K
6.21 mi11:45:1954:108:4326:58
8:41
#19218
15K
9.32 mi12:12:351:21:268:4427:16
8:47
#19255
20K
12.43 mi12:40:411:49:328:4928:06
9:03
#19393
Half
13.11 mi12:46:451:55:368:496:04
8:54
#19423
25K
15.53 mi13:09:212:18:128:5422:36
9:19
#19608
30K
18.64 mi13:40:362:49:279:0531:15
10:04
#20012
20M
20.00 mi13:54:113:03:029:0913:35
10:00
#20057
21M
21.00 mi14:04:513:13:429:1310:40
10:40
#20047
35K
21.75 mi14:11:433:20:349:136:52
9:11
#19989
23M
23.00 mi14:23:223:32:139:1411:39
9:18
#19839
24M
24.00 mi14:32:213:41:129:138:59
8:59
#19731
40K
24.85 mi14:40:183:49:099:137:57
9:18
#19658
25.2M
25.20 mi14:43:473:52:389:143:29
10:06
#19627
Finish
26.22 mi14:53:074:01:589:149:20
9:10
#19608
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi192167341734119387(Top 73%)7322(Top 64%)7322(Top 150%)
10K6.21 mi3.10 mi19218-27288+537288+5319320(Top 73%)7278(Top 64%)7278(Top 149%)
15K9.32 mi3.11 mi19255-377287+17287+119387(Top 73%)7322(Top 64%)7322(Top 150%)
20K12.43 mi3.11 mi19393-1387368-817368-8119909(Top 75%)7626(Top 67%)7626(Top 156%)
Half13.11 mi0.68 mi19423-307380-127380-1219979(Top 75%)7652(Top 67%)7652(Top 157%)
25K15.53 mi2.42 mi19608-1857490-1107490-11020266(Top 76%)7843(Top 69%)7843(Top 161%)
30K18.64 mi3.11 mi20012-4047739-2497739-24921181(Top 80%)8447(Top 74%)8447(Top 173%)
20M20.00 mi1.36 mi20057-457777-387777-3820472(Top 77%)8114(Top 71%)8114(Top 166%)
21M21.00 mi1.00 mi20047+107773+47773+420067(Top 75%)7965(Top 70%)7965(Top 163%)
35K21.75 mi0.75 mi19989+587744+297744+2918683(Top 70%)7213(Top 63%)7213(Top 148%)
23M23.00 mi1.25 mi19839+1507671+737671+7317565(Top 66%)6619(Top 58%)6619(Top 136%)
24M24.00 mi1.00 mi19731+1087610+617610+6117189(Top 65%)6468(Top 57%)6468(Top 132%)
40K24.85 mi0.85 mi19658+737582+287582+2817551(Top 66%)6716(Top 59%)6716(Top 138%)
25.2M25.20 mi0.35 mi19627+317569+137569+1317840(Top 67%)6890(Top 60%)6890(Top 141%)
Finish26.22 mi1.02 mi19608+197566+37566+318755(Top 70%)7311(Top 64%)7311(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19387

Females

7322

F18-39

7322

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19320

Females

7278

F18-39

7278

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19387

Females

7322

F18-39

7322

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19909

Females

7626

F18-39

7626

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19979

Females

7652

F18-39

7652

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20266

Females

7843

F18-39

7843

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21181

Females

8447

F18-39

8447

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20472

Females

8114

F18-39

8114

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

20067

Females

7965

F18-39

7965

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18683

Females

7213

F18-39

7213

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17565

Females

6619

F18-39

6619

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17189

Females

6468

F18-39

6468

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17551

Females

6716

F18-39

6716

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17840

Females

6890

F18-39

6890

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18755

Females

7311

F18-39

7311

Passing Analysis

Category:
Athletes Passed
1464
Passed By
1856
Net Change
-392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19216
5K → 10K343345-2#19216#19218
10K → 15K163200-37#19218#19255
15K → 20K111249-138#19255#19393
20K → Half2151-30#19393#19423
Half → 25K69254-185#19423#19608
25K → 30K68472-404#19608#20012
30K → 20M68113-45#20012#20057
20M → 21M8474+10#20057#20047
21M → 35K7416+58#20047#19989
35K → 23M16212+150#19989#19839
23M → 24M1135+108#19839#19731
24M → 40K9118+73#19731#19658
40K → 25.2M4211+31#19658#19627
25.2M → Finish5536+19#19627#19608
TOTALS14641856-392
📊

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