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BOSTON MARATHON 2023

Althea Devereux

Bib: 16673•F

ID

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
25:53
Rank: #16381
Start → 5K
25:53 | 8:20/mi
10K· 6.21 mi
52:30
Rank: #17551 (-1170)
5K → 10K
26:37 | 8:34/mi
15K· 9.32 mi
1:18:14
Rank: #17163 (+388)
10K → 15K
25:44 | 8:17/mi
20K· 12.43 mi
1:43:55
Rank: #16721 (+442)
15K → 20K
25:41 | 8:16/mi
Half· 13.11 mi
1:49:26
Rank: #16630 (+91)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:09:57
Rank: #16512 (+118)
Half → 25K
20:31 | 8:28/mi
30K· 18.64 mi
2:37:44
Rank: #16537 (-25)
25K → 30K
27:47 | 8:57/mi
20M
2:50:28
Rank: #16692 (-155)
30K → 20M
12:44 | 9:22/mi
21M
3:01:25
Rank: #17022 (-330)
20M → 21M
10:57 | 10:57/mi
35K· 21.75 mi
3:11:57
Rank: #18089 (-1067)
21M → 35K
10:32 | 14:05/mi
23M
3:27:24
Rank: #18924 (-835)
35K → 23M
15:27 | 12:20/mi
24M
3:37:33
Rank: #19067 (-143)
23M → 24M
10:09 | 10:09/mi
40K· 24.85 mi
3:48:54
Rank: #19618 (-551)
24M → 40K
11:21 | 13:16/mi
25.2M
3:52:52
Rank: #19673 (-55)
40K → 25.2M
3:58 | 11:30/mi
Finish· 26.22 mi
4:03:29
Rank: #19831 (-158)
25.2M → Finish
10:37 | 10:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:26
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:14:03
Pace10:14 /mi
📊Positive Split: 22.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0225:538:2025:53
8:20
-
10K
6.21 mi11:42:3952:308:2726:37
8:34
+0:14
15K
9.32 mi12:08:231:18:148:2425:44
8:17
-0:17
20K
12.43 mi12:34:041:43:558:2225:41
8:16
-0:01
Half
13.11 mi12:39:351:49:268:215:31
8:05
-0:11
25K
15.53 mi13:00:062:09:578:2220:31
8:28
+0:23
30K
18.64 mi13:27:532:37:448:2827:47
8:57
+0:29
20M
20.00 mi13:40:372:50:288:3112:44
9:22
+0:25
21M
21.00 mi13:51:343:01:258:3810:57
10:57
+1:35
35K
21.75 mi14:02:063:11:578:5010:32
14:05
+3:08
23M
23.00 mi14:17:333:27:249:0115:27
12:20
-1:45
24M
24.00 mi14:27:423:37:339:0410:09
10:09
-2:11
40K
24.85 mi14:39:033:48:549:1311:21
13:16
+3:07
25.2M
25.20 mi14:43:013:52:529:143:58
11:30
-1:46
Finish
26.22 mi14:53:384:03:299:1810:37
10:25
-1:05

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

8:05 /mi

Average Pace

9:18 /mi

Slowest Pace

14:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:49

34% of race

Time at Steady Pace

1:37:48

40% of race

Time at Slower Pace

1:02:52

26% of race

Average Pace: 9:17 /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 mi11:16:0225:538:2025:53
8:20
#16381
10K
6.21 mi11:42:3952:308:2726:37
8:34
#17551
15K
9.32 mi12:08:231:18:148:2425:44
8:17
#17163
20K
12.43 mi12:34:041:43:558:2225:41
8:16
#16721
Half
13.11 mi12:39:351:49:268:215:31
8:05
#16630
25K
15.53 mi13:00:062:09:578:2220:31
8:28
#16512
30K
18.64 mi13:27:532:37:448:2827:47
8:57
#16537
20M
20.00 mi13:40:372:50:288:3112:44
9:22
#16692
21M
21.00 mi13:51:343:01:258:3810:57
10:57
#17022
35K
21.75 mi14:02:063:11:578:5010:32
14:05
#18089
23M
23.00 mi14:17:333:27:249:0115:27
12:20
#18924
24M
24.00 mi14:27:423:37:339:0410:09
10:09
#19067
40K
24.85 mi14:39:033:48:549:1311:21
13:16
#19618
25.2M
25.20 mi14:43:013:52:529:143:58
11:30
#19673
Finish
26.22 mi14:53:384:03:299:1810:37
10:25
#19831
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi163815524552416450(Top 62%)5569(Top 49%)5569(Top 114%)
10K6.21 mi3.10 mi17551-11706257-7336257-73318669(Top 70%)6879(Top 60%)6879(Top 141%)
15K9.32 mi3.11 mi17163+3886008+2496008+24916450(Top 62%)5569(Top 49%)5569(Top 114%)
20K12.43 mi3.11 mi16721+4425750+2585750+25815417(Top 58%)4981(Top 44%)4981(Top 102%)
Half13.11 mi0.68 mi16630+915706+445706+4415139(Top 57%)4784(Top 42%)4784(Top 98%)
25K15.53 mi2.42 mi16512+1185648+585648+5815988(Top 60%)5439(Top 48%)5439(Top 111%)
30K18.64 mi3.11 mi16537-255705-575705-5716891(Top 63%)6005(Top 53%)6005(Top 123%)
20M20.00 mi1.36 mi16692-1555806-1015806-10118357(Top 69%)6947(Top 61%)6947(Top 142%)
21M21.00 mi1.00 mi17022-3306003-1976003-19720728(Top 78%)8310(Top 73%)8310(Top 170%)
35K21.75 mi0.75 mi18089-10676651-6486651-64826161(Top 98%)11204(Top 98%)11204(Top 229%)
23M23.00 mi1.25 mi18924-8357143-4927143-49224419(Top 92%)10346(Top 91%)10346(Top 212%)
24M24.00 mi1.00 mi19067-1437236-937236-9321199(Top 80%)8666(Top 76%)8666(Top 177%)
40K24.85 mi0.85 mi19618-5517558-3227558-32225176(Top 95%)10765(Top 94%)10765(Top 220%)
25.2M25.20 mi0.35 mi19673-557597-397597-3921583(Top 81%)8898(Top 78%)8898(Top 182%)
Finish26.22 mi1.02 mi19831-1587690-937690-9322841(Top 86%)9566(Top 84%)9566(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16450

Females

5569

F18-39

5569

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18669

Females

6879

F18-39

6879

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16450

Females

5569

F18-39

5569

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15417

Females

4981

F18-39

4981

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15139

Females

4784

F18-39

4784

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

15988

Females

5439

F18-39

5439

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16891

Females

6005

F18-39

6005

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18357

Females

6947

F18-39

6947

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20728

Females

8310

F18-39

8310

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

26161

Females

11204

F18-39

11204

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24419

Females

10346

F18-39

10346

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21199

Females

8666

F18-39

8666

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25176

Females

10765

F18-39

10765

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21583

Females

8898

F18-39

8898

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22841

Females

9566

F18-39

9566

Passing Analysis

Category:
Athletes Passed
1535
Passed By
4985
Net Change
-3450
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16381
5K → 10K471217-1170#16381#17551
10K → 15K44658+388#17551#17163
15K → 20K46725+442#17163#16721
20K → Half943+91#16721#16630
Half → 25K18870+118#16630#16512
25K → 30K177202-25#16512#16537
30K → 20M38193-155#16537#16692
20M → 21M18348-330#16692#17022
21M → 35K21069-1067#17022#18089
35K → 23M6841-835#18089#18924
23M → 24M26169-143#18924#19067
24M → 40K4555-551#19067#19618
40K → 25.2M1065-55#19618#19673
25.2M → Finish12170-158#19673#19831
TOTALS15354985-3450
📊

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