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BOSTON MARATHON 2023

Julia Adams

Bib: 13498•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 10%
Masters (Masters Women)
#0 / 6539
Top 3%
Division (F40-44)
#0 / 1878
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #10853
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
46:44
Rank: #10232 (+621)
5K → 10K
23:01 | 7:25/mi
15K· 9.32 mi
1:09:54
Rank: #10048 (+184)
10K → 15K
23:10 | 7:27/mi
20K· 12.43 mi
1:32:47
Rank: #9541 (+507)
15K → 20K
22:53 | 7:22/mi
Half· 13.11 mi
1:37:45
Rank: #9483 (+58)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:55:29
Rank: #9104 (+379)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:18:25
Rank: #8567 (+537)
25K → 30K
22:56 | 7:23/mi
20M
2:28:30
Rank: #8355 (+212)
30K → 20M
10:05 | 7:25/mi
21M
2:36:09
Rank: #8159 (+196)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:41:27
Rank: #8043 (+116)
21M → 35K
5:18 | 7:05/mi
23M
2:50:48
Rank: #7897 (+146)
35K → 23M
9:21 | 7:28/mi
24M
2:58:05
Rank: #7792 (+105)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
3:04:24
Rank: #7701 (+91)
24M → 40K
6:19 | 7:23/mi
25.2M
3:07:05
Rank: #7645 (+56)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:14:22
Rank: #7552 (+93)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:37:45
Pace7:27 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:37
Pace7:22 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3923:437:3823:43
7:38
-
10K
6.21 mi11:14:4046:447:3123:01
7:25
-0:13
15K
9.32 mi11:37:501:09:547:3023:10
7:27
+0:02
20K
12.43 mi12:00:431:32:477:2822:53
7:22
-0:05
Half
13.11 mi12:05:411:37:457:274:58
7:17
-0:05
25K
15.53 mi12:23:251:55:297:2617:44
7:19
+0:02
30K
18.64 mi12:46:212:18:257:2622:56
7:23
+0:04
20M
20.00 mi12:56:262:28:307:2510:05
7:25
+0:02
21M
21.00 mi13:04:052:36:097:267:39
7:39
+0:14
35K
21.75 mi13:09:232:41:277:255:18
7:05
-0:34
23M
23.00 mi13:18:442:50:487:269:21
7:28
+0:23
24M
24.00 mi13:26:012:58:057:257:17
7:17
-0:11
40K
24.85 mi13:32:203:04:247:256:19
7:23
+0:06
25.2M
25.20 mi13:35:013:07:057:252:41
7:47
+0:24
Finish
26.22 mi13:42:183:14:227:257:17
7:09
-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

7:05 /mi

Average Pace

7:25 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:48

66% of race

Time at Steady Pace

1:06:34

34% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi10:51:3923:437:3823:43
7:38
#10853
10K
6.21 mi11:14:4046:447:3123:01
7:25
#10232
15K
9.32 mi11:37:501:09:547:3023:10
7:27
#10048
20K
12.43 mi12:00:431:32:477:2822:53
7:22
#9541
Half
13.11 mi12:05:411:37:457:274:58
7:17
#9483
25K
15.53 mi12:23:251:55:297:2617:44
7:19
#9104
30K
18.64 mi12:46:212:18:257:2622:56
7:23
#8567
20M
20.00 mi12:56:262:28:307:2510:05
7:25
#8355
21M
21.00 mi13:04:052:36:097:267:39
7:39
#8159
35K
21.75 mi13:09:232:41:277:255:18
7:05
#8043
23M
23.00 mi13:18:442:50:487:269:21
7:28
#7897
24M
24.00 mi13:26:012:58:057:257:17
7:17
#7792
40K
24.85 mi13:32:203:04:247:256:19
7:23
#7701
25.2M
25.20 mi13:35:013:07:057:252:41
7:47
#7645
Finish
26.22 mi13:42:183:14:227:257:17
7:09
#7552
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi10853224922499833(Top 37%)1759(Top 15%)1759(Top 94%)
10K6.21 mi3.10 mi10232+6211940+3091940+3099710(Top 36%)1695(Top 15%)1695(Top 90%)
15K9.32 mi3.11 mi10048+1841846+941846+949833(Top 37%)1759(Top 15%)1759(Top 94%)
20K12.43 mi3.11 mi9541+5071646+2001646+2008268(Top 31%)1203(Top 11%)1203(Top 64%)
Half13.11 mi0.68 mi9483+581621+251621+258491(Top 32%)1270(Top 11%)1270(Top 68%)
25K15.53 mi2.42 mi9104+3791482+1391482+1397391(Top 28%)976(Top 9%)976(Top 52%)
30K18.64 mi3.11 mi8567+5371320+1621320+1626516(Top 24%)768(Top 7%)768(Top 41%)
20M20.00 mi1.36 mi8355+2121275+451275+456322(Top 24%)796(Top 7%)796(Top 42%)
21M21.00 mi1.00 mi8159+1961215+601215+605393(Top 20%)642(Top 6%)642(Top 34%)
35K21.75 mi0.75 mi8043+1161180+351180+355864(Top 22%)727(Top 6%)727(Top 39%)
23M23.00 mi1.25 mi7897+1461144+361144+366263(Top 24%)905(Top 8%)905(Top 48%)
24M24.00 mi1.00 mi7792+1051130+141130+146297(Top 24%)1016(Top 9%)1016(Top 54%)
40K24.85 mi0.85 mi7701+911113+171113+176036(Top 23%)994(Top 9%)994(Top 53%)
25.2M25.20 mi0.35 mi7645+561102+111102+115369(Top 20%)861(Top 8%)861(Top 46%)
Finish26.22 mi1.02 mi7552+931094+81094+86122(Top 23%)1104(Top 10%)1104(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9833

Females

1759

F40-44

1759

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9710

Females

1695

F40-44

1695

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9833

Females

1759

F40-44

1759

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8268

Females

1203

F40-44

1203

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8491

Females

1270

F40-44

1270

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7391

Females

976

F40-44

976

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6516

Females

768

F40-44

768

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6322

Females

796

F40-44

796

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5393

Females

642

F40-44

642

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5864

Females

727

F40-44

727

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6263

Females

905

F40-44

905

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6297

Females

1016

F40-44

1016

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6036

Females

994

F40-44

994

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5369

Females

861

F40-44

861

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6122

Females

1104

F40-44

1104

Passing Analysis

Category:
Athletes Passed
3595*
Passed By
294
Net Change
+3301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10853
5K → 10K703*82+621#10853#10232
10K → 15K26783+184#10232#10048
15K → 20K518*11+507#10048#9541
20K → Half657+58#9541#9483
Half → 25K3823+379#9483#9104
25K → 30K5425+537#9104#8567
30K → 20M22513+212#8567#8355
20M → 21M1982+196#8355#8159
21M → 35K1226+116#8159#8043
35K → 23M16620+146#8043#7897
23M → 24M12217+105#7897#7792
24M → 40K11019+91#7792#7701
40K → 25.2M637+56#7701#7645
25.2M → Finish11219+93#7645#7552
TOTALS3595*294+3301

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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