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BOSTON MARATHON 2023

Joslyn Richards

Bib: 15310•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Masters (Masters Women)
#0 / 6539
Top 4%
Division (F40-44)
#0 / 1878
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:15
Rank: #9500
Start → 5K
23:15 | 7:29/mi
10K· 6.21 mi
46:18
Rank: #9589 (-89)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:09:31
Rank: #9677 (-88)
10K → 15K
23:13 | 7:28/mi
20K· 12.43 mi
1:32:58
Rank: #9660 (+17)
15K → 20K
23:27 | 7:33/mi
Half· 13.11 mi
1:38:02
Rank: #9647 (+13)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:56:11
Rank: #9474 (+173)
Half → 25K
18:09 | 7:29/mi
30K· 18.64 mi
2:20:08
Rank: #9292 (+182)
25K → 30K
23:57 | 7:43/mi
20M
2:30:25
Rank: #9110 (+182)
30K → 20M
10:17 | 7:34/mi
21M
2:38:33
Rank: #9035 (+75)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:43:59
Rank: #8936 (+99)
21M → 35K
5:26 | 7:16/mi
23M
2:53:17
Rank: #8748 (+188)
35K → 23M
9:18 | 7:26/mi
24M
3:00:38
Rank: #8617 (+131)
23M → 24M
7:21 | 7:22/mi
40K· 24.85 mi
3:06:56
Rank: #8478 (+139)
24M → 40K
6:18 | 7:22/mi
25.2M
3:09:42
Rank: #8431 (+47)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:17:07
Rank: #8335 (+96)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:02
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:39:05
Pace7:34 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0623:157:2923:15
7:29
-
10K
6.21 mi11:17:0946:187:2723:03
7:25
-0:04
15K
9.32 mi11:40:221:09:317:2823:13
7:28
+0:03
20K
12.43 mi12:03:491:32:587:2923:27
7:33
+0:05
Half
13.11 mi12:08:531:38:027:295:04
7:26
-0:07
25K
15.53 mi12:27:021:56:117:2918:09
7:29
+0:03
30K
18.64 mi12:50:592:20:087:3123:57
7:43
+0:14
20M
20.00 mi13:01:162:30:257:3110:17
7:34
-0:09
21M
21.00 mi13:09:242:38:337:338:08
8:08
+0:34
35K
21.75 mi13:14:502:43:597:325:26
7:16
-0:52
23M
23.00 mi13:24:082:53:177:329:18
7:26
+0:10
24M
24.00 mi13:31:293:00:387:327:21
7:22
-0:04
40K
24.85 mi13:37:473:06:567:316:18
7:22
0:00
25.2M
25.20 mi13:40:333:09:427:322:46
8:01
+0:39
Finish
26.22 mi13:47:583:17:077:317:25
7:17
-0:44

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

7:16 /mi

Average Pace

7:31 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:13

94% of race

Time at Steady Pace

10:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi10:54:0623:157:2923:15
7:29
#9500
10K
6.21 mi11:17:0946:187:2723:03
7:25
#9589
15K
9.32 mi11:40:221:09:317:2823:13
7:28
#9677
20K
12.43 mi12:03:491:32:587:2923:27
7:33
#9660
Half
13.11 mi12:08:531:38:027:295:04
7:26
#9647
25K
15.53 mi12:27:021:56:117:2918:09
7:29
#9474
30K
18.64 mi12:50:592:20:087:3123:57
7:43
#9292
20M
20.00 mi13:01:162:30:257:3110:17
7:34
#9110
21M
21.00 mi13:09:242:38:337:338:08
8:08
#9035
35K
21.75 mi13:14:502:43:597:325:26
7:16
#8936
23M
23.00 mi13:24:082:53:177:329:18
7:26
#8748
24M
24.00 mi13:31:293:00:387:327:21
7:22
#8617
40K
24.85 mi13:37:473:06:567:316:18
7:22
#8478
25.2M
25.20 mi13:40:333:09:427:322:46
8:01
#8431
Finish
26.22 mi13:47:583:17:077:317:25
7:17
#8335
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi9500161516159956(Top 37%)1816(Top 16%)1816(Top 97%)
10K6.21 mi3.10 mi9589-891652-371652-379804(Top 37%)1730(Top 15%)1730(Top 92%)
15K9.32 mi3.11 mi9677-881698-461698-469956(Top 37%)1816(Top 16%)1816(Top 97%)
20K12.43 mi3.11 mi9660+171687+111687+119696(Top 36%)1777(Top 16%)1777(Top 95%)
Half13.11 mi0.68 mi9647+131683+41683+49648(Top 36%)1719(Top 15%)1719(Top 92%)
25K15.53 mi2.42 mi9474+1731634+491634+498696(Top 33%)1425(Top 12%)1425(Top 76%)
30K18.64 mi3.11 mi9292+1821603+311603+318714(Top 33%)1597(Top 14%)1597(Top 85%)
20M20.00 mi1.36 mi9110+1821554+491554+497306(Top 27%)1144(Top 10%)1144(Top 61%)
21M21.00 mi1.00 mi9035+751543+111543+118217(Top 31%)1613(Top 14%)1613(Top 86%)
35K21.75 mi0.75 mi8936+991513+301513+306945(Top 26%)1086(Top 10%)1086(Top 58%)
23M23.00 mi1.25 mi8748+1881465+481465+486057(Top 23%)840(Top 7%)840(Top 45%)
24M24.00 mi1.00 mi8617+1311437+281437+286785(Top 25%)1206(Top 11%)1206(Top 64%)
40K24.85 mi0.85 mi8478+1391403+341403+345816(Top 22%)930(Top 8%)930(Top 50%)
25.2M25.20 mi0.35 mi8431+471397+61397+66726(Top 25%)1312(Top 11%)1312(Top 70%)
Finish26.22 mi1.02 mi8335+961386+111386+117003(Top 26%)1430(Top 13%)1430(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9956

Females

1816

F40-44

1816

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9804

Females

1730

F40-44

1730

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9956

Females

1816

F40-44

1816

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9696

Females

1777

F40-44

1777

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9648

Females

1719

F40-44

1719

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8696

Females

1425

F40-44

1425

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8714

Females

1597

F40-44

1597

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7306

Females

1144

F40-44

1144

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8217

Females

1613

F40-44

1613

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6945

Females

1086

F40-44

1086

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6057

Females

840

F40-44

840

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6785

Females

1206

F40-44

1206

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5816

Females

930

F40-44

930

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6726

Females

1312

F40-44

1312

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7003

Females

1430

F40-44

1430

Passing Analysis

Category:
Athletes Passed
2109*
Passed By
944
Net Change
+1165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9500
5K → 10K251340-89#9500#9589
10K → 15K127215-88#9589#9677
15K → 20K158141+17#9677#9660
20K → Half2613+13#9660#9647
Half → 25K21239+173#9647#9474
25K → 30K266*84+182#9474#9292
30K → 20M1908+182#9292#9110
20M → 21M12146+75#9110#9035
21M → 35K1023+99#9035#8936
35K → 23M1946+188#8936#8748
23M → 24M14716+131#8748#8617
24M → 40K1445+139#8617#8478
40K → 25.2M525+47#8478#8431
25.2M → Finish11923+96#8431#8335
TOTALS2109*944+1165

* 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