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BOSTON MARATHON 2023

Julia Spagnola

Bib: 30097•F

NY

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
29:06
Rank: #21712
Start → 5K
29:06 | 9:22/mi
10K· 6.21 mi
55:49
Rank: #20581 (+1131)
5K → 10K
26:43 | 8:36/mi
15K· 9.32 mi
1:23:01
Rank: #20154 (+427)
10K → 15K
27:12 | 8:45/mi
20K· 12.43 mi
1:50:43
Rank: #19906 (+248)
15K → 20K
27:42 | 8:55/mi
Half· 13.11 mi
1:56:41
Rank: #19858 (+48)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:18:26
Rank: #19683 (+175)
Half → 25K
21:45 | 8:58/mi
30K· 18.64 mi
2:49:42
Rank: #20073 (-390)
25K → 30K
31:16 | 10:04/mi
20M
3:03:37
Rank: #20188 (-115)
30K → 20M
13:55 | 10:14/mi
21M
3:15:40
Rank: #20402 (-214)
20M → 21M
12:03 | 12:03/mi
35K· 21.75 mi
3:24:52
Rank: #20698 (-296)
21M → 35K
9:12 | 12:18/mi
23M
3:37:50
Rank: #20702 (-4)
35K → 23M
12:58 | 10:21/mi
24M
3:48:01
Rank: #20736 (-34)
23M → 24M
10:11 | 10:11/mi
40K· 24.85 mi
3:56:51
Rank: #20729 (+7)
24M → 40K
8:50 | 10:20/mi
25.2M
4:00:37
Rank: #20720 (+9)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:09:58
Rank: #20655 (+65)
25.2M → Finish
9:21 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:41
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:13:17
Pace10:10 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4029:069:2229:06
9:22
-
10K
6.21 mi12:16:2355:498:5926:43
8:36
-0:46
15K
9.32 mi12:43:351:23:018:5427:12
8:45
+0:09
20K
12.43 mi13:11:171:50:438:5527:42
8:55
+0:10
Half
13.11 mi13:17:151:56:418:545:58
8:45
-0:10
25K
15.53 mi13:39:002:18:268:5521:45
8:58
+0:13
30K
18.64 mi14:10:162:49:429:0631:16
10:04
+1:06
20M
20.00 mi14:24:113:03:379:1113:55
10:14
+0:10
21M
21.00 mi14:36:143:15:409:1912:03
12:03
+1:49
35K
21.75 mi14:45:263:24:529:259:12
12:18
+0:15
23M
23.00 mi14:58:243:37:509:2812:58
10:21
-1:57
24M
24.00 mi15:08:353:48:019:3010:11
10:11
-0:10
40K
24.85 mi15:17:253:56:519:328:50
10:20
+0:09
25.2M
25.20 mi15:21:114:00:379:333:46
10:55
+0:35
Finish
26.22 mi15:30:324:09:589:329:21
9:11
-1:44

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

8:36 /mi

Average Pace

9:32 /mi

Slowest Pace

12:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:47

59% of race

Time at Steady Pace

1:17:10

31% of race

Time at Slower Pace

25:01

10% of race

Average Pace: 9:32 /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 mi11:49:4029:069:2229:06
9:22
#21712
10K
6.21 mi12:16:2355:498:5926:43
8:36
#20581
15K
9.32 mi12:43:351:23:018:5427:12
8:45
#20154
20K
12.43 mi13:11:171:50:438:5527:42
8:55
#19906
Half
13.11 mi13:17:151:56:418:545:58
8:45
#19858
25K
15.53 mi13:39:002:18:268:5521:45
8:58
#19683
30K
18.64 mi14:10:162:49:429:0631:16
10:04
#20073
20M
20.00 mi14:24:113:03:379:1113:55
10:14
#20188
21M
21.00 mi14:36:143:15:409:1912:03
12:03
#20402
35K
21.75 mi14:45:263:24:529:259:12
12:18
#20698
23M
23.00 mi14:58:243:37:509:2812:58
10:21
#20702
24M
24.00 mi15:08:353:48:019:3010:11
10:11
#20736
40K
24.85 mi15:17:253:56:519:328:50
10:20
#20729
25.2M
25.20 mi15:21:114:00:379:333:46
10:55
#20720
Finish
26.22 mi15:30:324:09:589:329:21
9:11
#20655
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi217128747874719278(Top 72%)7260(Top 64%)7260(Top 149%)
10K6.21 mi3.10 mi20581+11318079+6688079+66818858(Top 71%)6999(Top 61%)6999(Top 143%)
15K9.32 mi3.11 mi20154+4277822+2577822+25719278(Top 72%)7260(Top 64%)7260(Top 149%)
20K12.43 mi3.11 mi19906+2487666+1567666+15619302(Top 73%)7273(Top 64%)7273(Top 149%)
Half13.11 mi0.68 mi19858+487638+287638+2819275(Top 72%)7266(Top 64%)7266(Top 149%)
25K15.53 mi2.42 mi19683+1757528+1107528+11018833(Top 71%)7035(Top 62%)7035(Top 144%)
30K18.64 mi3.11 mi20073-3907767-2397767-23921197(Top 80%)8456(Top 74%)8456(Top 173%)
20M20.00 mi1.36 mi20188-1157852-857852-8521125(Top 79%)8483(Top 74%)8483(Top 174%)
21M21.00 mi1.00 mi20402-2147978-1267978-12622830(Top 86%)9454(Top 83%)9454(Top 194%)
35K21.75 mi0.75 mi20698-2968144-1668144-16624974(Top 94%)10640(Top 93%)10640(Top 218%)
23M23.00 mi1.25 mi20702-48167-238167-2320965(Top 79%)8501(Top 74%)8501(Top 174%)
24M24.00 mi1.00 mi20736-348198-318198-3121296(Top 80%)8721(Top 76%)8721(Top 179%)
40K24.85 mi0.85 mi20729+78202-48202-420834(Top 78%)8510(Top 74%)8510(Top 174%)
25.2M25.20 mi0.35 mi20720+98204-28204-220303(Top 76%)8216(Top 72%)8216(Top 168%)
Finish26.22 mi1.02 mi20655+658173+318173+3118833(Top 71%)7355(Top 64%)7355(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19278

Females

7260

F18-39

7260

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18858

Females

6999

F18-39

6999

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19278

Females

7260

F18-39

7260

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19302

Females

7273

F18-39

7273

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19275

Females

7266

F18-39

7266

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18833

Females

7035

F18-39

7035

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21197

Females

8456

F18-39

8456

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21125

Females

8483

F18-39

8483

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22830

Females

9454

F18-39

9454

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

24974

Females

10640

F18-39

10640

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20965

Females

8501

F18-39

8501

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21296

Females

8721

F18-39

8721

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20834

Females

8510

F18-39

8510

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20303

Females

8216

F18-39

8216

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18833

Females

7355

F18-39

7355

Passing Analysis

Category:
Athletes Passed
2605
Passed By
1548
Net Change
+1057
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21712
5K → 10K115827+1131#21712#20581
10K → 15K46841+427#20581#20154
15K → 20K30658+248#20154#19906
20K → Half579+48#19906#19858
Half → 25K21742+175#19858#19683
25K → 30K73463-390#19683#20073
30K → 20M53168-115#20073#20188
20M → 21M22236-214#20188#20402
21M → 35K10306-296#20402#20698
35K → 23M6872-4#20698#20702
23M → 24M2963-34#20702#20736
24M → 40K4437+7#20736#20729
40K → 25.2M2213+9#20729#20720
25.2M → Finish7813+65#20720#20655
TOTALS26051548+1057
📊

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