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BOSTON MARATHON 2023

Julia Hultin

Bib: 29952•F

MA

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
29:19
Rank: #21900
Start → 5K
29:19 | 9:26/mi
10K· 6.21 mi
57:17
Rank: #21470 (+430)
5K → 10K
27:58 | 9:00/mi
15K· 9.32 mi
1:25:22
Rank: #21237 (+233)
10K → 15K
28:05 | 9:02/mi
20K· 12.43 mi
1:53:42
Rank: #20990 (+247)
15K → 20K
28:20 | 9:07/mi
Half· 13.11 mi
1:59:48
Rank: #20942 (+48)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:24:27
Rank: #21277 (-335)
Half → 25K
24:39 | 10:10/mi
30K· 18.64 mi
2:54:17
Rank: #20997 (+280)
25K → 30K
29:50 | 9:36/mi
20M
3:07:29
Rank: #20879 (+118)
30K → 20M
13:12 | 9:43/mi
21M
3:18:26
Rank: #20854 (+25)
20M → 21M
10:57 | 10:57/mi
35K· 21.75 mi
3:26:00
Rank: #20880 (-26)
21M → 35K
7:34 | 10:07/mi
23M
3:38:29
Rank: #20802 (+78)
35K → 23M
12:29 | 9:58/mi
24M
3:49:10
Rank: #20878 (-76)
23M → 24M
10:41 | 10:41/mi
40K· 24.85 mi
3:57:53
Rank: #20849 (+29)
24M → 40K
8:43 | 10:12/mi
25.2M
4:01:39
Rank: #20838 (+11)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:10:56
Rank: #20759 (+79)
25.2M → Finish
9:17 | 9:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:48
Pace9:08 /mi
2nd Half
Distance13.11 mi
Time2:11:08
Pace10:00 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0629:199:2629:19
9:26
-
10K
6.21 mi12:15:0457:179:1327:58
9:00
-0:26
15K
9.32 mi12:43:091:25:229:1028:05
9:02
+0:02
20K
12.43 mi13:11:291:53:429:0928:20
9:07
+0:05
Half
13.11 mi13:17:351:59:489:086:06
8:56
-0:11
25K
15.53 mi13:42:142:24:279:1824:39
10:10
+1:14
30K
18.64 mi14:12:042:54:179:2129:50
9:36
-0:34
20M
20.00 mi14:25:163:07:299:2213:12
9:43
+0:07
21M
21.00 mi14:36:133:18:269:2710:57
10:57
+1:14
35K
21.75 mi14:43:473:26:009:287:34
10:07
-0:50
23M
23.00 mi14:56:163:38:299:3012:29
9:58
-0:09
24M
24.00 mi15:06:573:49:109:3310:41
10:41
+0:43
40K
24.85 mi15:15:403:57:539:348:43
10:12
-0:29
25.2M
25.20 mi15:19:264:01:399:353:46
10:55
+0:43
Finish
26.22 mi15:28:434:10:569:359:17
9:07
-1:48

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

8:56 /mi

Average Pace

9:35 /mi

Slowest Pace

10:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:46

40% of race

Time at Steady Pace

1:24:50

34% of race

Time at Slower Pace

1:06:20

26% of race

Average Pace: 9:34 /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 mi11:47:0629:199:2629:19
9:26
#21900
10K
6.21 mi12:15:0457:179:1327:58
9:00
#21470
15K
9.32 mi12:43:091:25:229:1028:05
9:02
#21237
20K
12.43 mi13:11:291:53:429:0928:20
9:07
#20990
Half
13.11 mi13:17:351:59:489:086:06
8:56
#20942
25K
15.53 mi13:42:142:24:279:1824:39
10:10
#21277
30K
18.64 mi14:12:042:54:179:2129:50
9:36
#20997
20M
20.00 mi14:25:163:07:299:2213:12
9:43
#20879
21M
21.00 mi14:36:133:18:269:2710:57
10:57
#20854
35K
21.75 mi14:43:473:26:009:287:34
10:07
#20880
23M
23.00 mi14:56:163:38:299:3012:29
9:58
#20802
24M
24.00 mi15:06:573:49:109:3310:41
10:41
#20878
40K
24.85 mi15:15:403:57:539:348:43
10:12
#20849
25.2M
25.20 mi15:19:264:01:399:353:46
10:55
#20838
Finish
26.22 mi15:28:434:10:569:359:17
9:07
#20759
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi219008833883320684(Top 78%)8060(Top 71%)8060(Top 165%)
10K6.21 mi3.10 mi21470+4308568+2658568+26520890(Top 78%)8202(Top 72%)8202(Top 168%)
15K9.32 mi3.11 mi21237+2338408+1608408+16020684(Top 78%)8060(Top 71%)8060(Top 165%)
20K12.43 mi3.11 mi20990+2478269+1398269+13920239(Top 76%)7808(Top 68%)7808(Top 160%)
Half13.11 mi0.68 mi20942+488236+338236+3320247(Top 76%)7818(Top 68%)7818(Top 160%)
25K15.53 mi2.42 mi21277-3358423-1878423-18722538(Top 85%)9136(Top 80%)9136(Top 187%)
30K18.64 mi3.11 mi20997+2808281+1428281+14219808(Top 74%)7660(Top 67%)7660(Top 157%)
20M20.00 mi1.36 mi20879+1188224+578224+5719608(Top 74%)7644(Top 67%)7644(Top 157%)
21M21.00 mi1.00 mi20854+258228-48228-420730(Top 78%)8312(Top 73%)8312(Top 170%)
35K21.75 mi0.75 mi20880-268257-298257-2921595(Top 81%)8819(Top 77%)8819(Top 181%)
23M23.00 mi1.25 mi20802+788219+388219+3819919(Top 75%)7910(Top 69%)7910(Top 162%)
24M24.00 mi1.00 mi20878-768276-578276-5722421(Top 84%)9320(Top 82%)9320(Top 191%)
40K24.85 mi0.85 mi20849+298267+98267+920481(Top 77%)8322(Top 73%)8322(Top 170%)
25.2M25.20 mi0.35 mi20838+118270-38270-320304(Top 76%)8217(Top 72%)8217(Top 168%)
Finish26.22 mi1.02 mi20759+798233+378233+3718541(Top 70%)7199(Top 63%)7199(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20684

Females

8060

F18-39

8060

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20890

Females

8202

F18-39

8202

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20684

Females

8060

F18-39

8060

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20239

Females

7808

F18-39

7808

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20247

Females

7818

F18-39

7818

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22538

Females

9136

F18-39

9136

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19808

Females

7660

F18-39

7660

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19608

Females

7644

F18-39

7644

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20730

Females

8312

F18-39

8312

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21595

Females

8819

F18-39

8819

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

19919

Females

7910

F18-39

7910

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22421

Females

9320

F18-39

9320

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20481

Females

8322

F18-39

8322

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20304

Females

8217

F18-39

8217

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18541

Females

7199

F18-39

7199

Passing Analysis

Category:
Athletes Passed
2066
Passed By
925
Net Change
+1141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21900
5K → 10K533103+430#21900#21470
10K → 15K29966+233#21470#21237
15K → 20K29750+247#21237#20990
20K → Half6113+48#20990#20942
Half → 25K32367-335#20942#21277
25K → 30K30929+280#21277#20997
30K → 20M13820+118#20997#20879
20M → 21M7348+25#20879#20854
21M → 35K2955-26#20854#20880
35K → 23M11234+78#20880#20802
23M → 24M26102-76#20802#20878
24M → 40K4718+29#20878#20849
40K → 25.2M2312+11#20849#20838
25.2M → Finish878+79#20838#20759
TOTALS2066925+1141
📊

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