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BOSTON MARATHON 2023

Justine Washington

Bib: 13100•F

CA

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
24:56
Rank: #14212
Start → 5K
24:56 | 8:02/mi
10K· 6.21 mi
49:50
Rank: #14531 (-319)
5K → 10K
24:54 | 8:01/mi
15K· 9.32 mi
1:14:16
Rank: #14130 (+401)
10K → 15K
24:26 | 7:52/mi
20K· 12.43 mi
1:39:48
Rank: #14337 (-207)
15K → 20K
25:32 | 8:13/mi
Half· 13.11 mi
1:45:26
Rank: #14453 (-116)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:05:29
Rank: #14490 (-37)
Half → 25K
20:03 | 8:16/mi
30K· 18.64 mi
2:35:36
Rank: #15799 (-1309)
25K → 30K
30:07 | 9:42/mi
20M
2:48:29
Rank: #16067 (-268)
30K → 20M
12:53 | 9:29/mi
21M
2:59:00
Rank: #16340 (-273)
20M → 21M
10:31 | 10:31/mi
35K· 21.75 mi
3:05:41
Rank: #16373 (-33)
21M → 35K
6:41 | 8:56/mi
23M
3:20:29
Rank: #17274 (-901)
35K → 23M
14:48 | 11:49/mi
24M
3:29:35
Rank: #17300 (-26)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:37:45
Rank: #17361 (-61)
24M → 40K
8:10 | 9:33/mi
25.2M
3:41:20
Rank: #17413 (-52)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:50:17
Rank: #17402 (+11)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:26
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:04:51
Pace9:31 /mi
📊Positive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1424:568:0224:56
8:02
-
10K
6.21 mi11:40:0849:508:0124:54
8:01
-0:01
15K
9.32 mi12:04:341:14:167:5824:26
7:52
-0:09
20K
12.43 mi12:30:061:39:488:0225:32
8:13
+0:21
Half
13.11 mi12:35:441:45:268:035:38
8:15
+0:02
25K
15.53 mi12:55:472:05:298:0520:03
8:16
+0:01
30K
18.64 mi13:25:542:35:368:2130:07
9:42
+1:26
20M
20.00 mi13:38:472:48:298:2512:53
9:29
-0:13
21M
21.00 mi13:49:182:59:008:3110:31
10:31
+1:02
35K
21.75 mi13:55:593:05:418:326:41
8:56
-1:35
23M
23.00 mi14:10:473:20:298:4314:48
11:49
+2:53
24M
24.00 mi14:19:533:29:358:449:06
9:06
-2:43
40K
24.85 mi14:28:033:37:458:468:10
9:33
+0:27
25.2M
25.20 mi14:31:383:41:208:473:35
10:23
+0:50
Finish
26.22 mi14:40:353:50:178:478:57
8:47
-1:36

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

7:52 /mi

Average Pace

8:47 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:29

54% of race

Time at Steady Pace

24:44

11% of race

Time at Slower Pace

1:20:04

35% of race

Average Pace: 8:47 /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 mi11:15:1424:568:0224:56
8:02
#14212
10K
6.21 mi11:40:0849:508:0124:54
8:01
#14531
15K
9.32 mi12:04:341:14:167:5824:26
7:52
#14130
20K
12.43 mi12:30:061:39:488:0225:32
8:13
#14337
Half
13.11 mi12:35:441:45:268:035:38
8:15
#14453
25K
15.53 mi12:55:472:05:298:0520:03
8:16
#14490
30K
18.64 mi13:25:542:35:368:2130:07
9:42
#15799
20M
20.00 mi13:38:472:48:298:2512:53
9:29
#16067
21M
21.00 mi13:49:182:59:008:3110:31
10:31
#16340
35K
21.75 mi13:55:593:05:418:326:41
8:56
#16373
23M
23.00 mi14:10:473:20:298:4314:48
11:49
#17274
24M
24.00 mi14:19:533:29:358:449:06
9:06
#17300
40K
24.85 mi14:28:033:37:458:468:10
9:33
#17361
25.2M
25.20 mi14:31:383:41:208:473:35
10:23
#17413
Finish
26.22 mi14:40:353:50:178:478:57
8:47
#17402
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142124160416013249(Top 50%)3638(Top 32%)3638(Top 74%)
10K6.21 mi3.10 mi14531-3194362-2024362-20214931(Top 56%)4632(Top 41%)4632(Top 95%)
15K9.32 mi3.11 mi14130+4014142+2204142+22013249(Top 50%)3638(Top 32%)3638(Top 74%)
20K12.43 mi3.11 mi14337-2074277-1354277-13515100(Top 57%)4777(Top 42%)4777(Top 98%)
Half13.11 mi0.68 mi14453-1164351-744351-7416282(Top 61%)5483(Top 48%)5483(Top 112%)
25K15.53 mi2.42 mi14490-374395-444395-4414757(Top 55%)4686(Top 41%)4686(Top 96%)
30K18.64 mi3.11 mi15799-13095252-8575252-85720123(Top 76%)7839(Top 69%)7839(Top 161%)
20M20.00 mi1.36 mi16067-2685436-1845436-18418794(Top 71%)7186(Top 63%)7186(Top 147%)
21M21.00 mi1.00 mi16340-2735620-1845620-18419647(Top 74%)7728(Top 68%)7728(Top 158%)
35K21.75 mi0.75 mi16373-335644-245644-2417645(Top 66%)6631(Top 58%)6631(Top 136%)
23M23.00 mi1.25 mi17274-9016182-5386182-53823753(Top 89%)9979(Top 87%)9979(Top 204%)
24M24.00 mi1.00 mi17300-266205-236205-2317678(Top 66%)6729(Top 59%)6729(Top 138%)
40K24.85 mi0.85 mi17361-616261-566261-5618517(Top 70%)7221(Top 63%)7221(Top 148%)
25.2M25.20 mi0.35 mi17413-526298-376298-3718764(Top 70%)7368(Top 65%)7368(Top 151%)
Finish26.22 mi1.02 mi17402+116306-86306-816972(Top 64%)6359(Top 56%)6359(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13249

Females

3638

F18-39

3638

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14931

Females

4632

F18-39

4632

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13249

Females

3638

F18-39

3638

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15100

Females

4777

F18-39

4777

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16282

Females

5483

F18-39

5483

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14757

Females

4686

F18-39

4686

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20123

Females

7839

F18-39

7839

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18794

Females

7186

F18-39

7186

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19647

Females

7728

F18-39

7728

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17645

Females

6631

F18-39

6631

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23753

Females

9979

F18-39

9979

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17678

Females

6729

F18-39

6729

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18517

Females

7221

F18-39

7221

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18764

Females

7368

F18-39

7368

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16972

Females

6359

F18-39

6359

Passing Analysis

Category:
Athletes Passed
1163
Passed By
4353
Net Change
-3190
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14212
5K → 10K164483-319#14212#14531
10K → 15K45554+401#14531#14130
15K → 20K118325-207#14130#14337
20K → Half4120-116#14337#14453
Half → 25K133170-37#14453#14490
25K → 30K141323-1309#14490#15799
30K → 20M30298-268#15799#16067
20M → 21M24297-273#16067#16340
21M → 35K3770-33#16340#16373
35K → 23M3904-901#16373#17274
23M → 24M5480-26#17274#17300
24M → 40K44105-61#17300#17361
40K → 25.2M1870-52#17361#17413
25.2M → Finish6554+11#17413#17402
TOTALS11634353-3190
📊

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