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BOSTON MARATHON 2023

Joyciline Jepkosgei

Bib: 104•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 0.3%
Gender (Female)
#0 / 11423
Top 0.1%
Division (F18-39)
#0 / 4884
Top 0.2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:49
Rank: #305
Start → 5K
17:49 | 5:44/mi
10K· 6.21 mi
34:47
Rank: #192 (+113)
5K → 10K
16:58 | 5:28/mi
15K· 9.32 mi
50:48
Rank: #101 (+91)
10K → 15K
16:01 | 5:09/mi
20K· 12.43 mi
1:07:46
Rank: #97 (+4)
15K → 20K
16:58 | 5:28/mi
Half· 13.11 mi
1:11:30
Rank: #98 (-1)
20K → Half
3:44 | 5:28/mi
25K· 15.53 mi
1:24:40
Rank: #84 (+14)
Half → 25K
13:10 | 5:26/mi
30K· 18.64 mi
1:41:50
Rank: #76 (+8)
25K → 30K
17:10 | 5:32/mi
20M
1:49:13
Rank: #71 (+5)
30K → 20M
7:23 | 5:26/mi
21M
1:54:50
Rank: #66 (+5)
20M → 21M
5:37 | 5:37/mi
35K· 21.75 mi
1:58:37
Rank: #62 (+4)
21M → 35K
3:47 | 5:03/mi
23M
2:05:15
Rank: #58 (+4)
35K → 23M
6:38 | 5:18/mi
24M
2:10:27
Rank: #57 (+1)
23M → 24M
5:12 | 5:12/mi
40K· 24.85 mi
2:15:26
Rank: #55 (+2)
24M → 40K
4:59 | 5:50/mi
25.2M
2:17:47
Rank: #56 (-1)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:24:44
Rank: #70 (-14)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:11:30
Pace5:27 /mi
2nd Half
Distance13.11 mi
Time1:13:14
Pace5:35 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:04:4917:495:4417:49
5:44
-
10K
6.21 mi10:21:4734:475:3616:58
5:28
-0:16
15K
9.32 mi10:37:4850:485:2716:01
5:09
-0:19
20K
12.43 mi10:54:461:07:465:2716:58
5:28
+0:19
Half
13.11 mi10:58:301:11:305:273:44
5:28
0:00
25K
15.53 mi11:11:401:24:405:2713:10
5:26
-0:02
30K
18.64 mi11:28:501:41:505:2817:10
5:32
+0:06
20M
20.00 mi11:36:131:49:135:287:23
5:26
-0:06
21M
21.00 mi11:41:501:54:505:285:37
5:37
+0:11
35K
21.75 mi11:45:371:58:375:273:47
5:03
-0:34
23M
23.00 mi11:52:152:05:155:276:38
5:18
+0:15
24M
24.00 mi11:57:272:10:275:265:12
5:12
-0:06
40K
24.85 mi12:02:262:15:265:274:59
5:50
+0:38
25.2M
25.20 mi12:04:472:17:475:282:21
6:49
+0:59
Finish
26.22 mi12:11:442:24:445:316:57
6:49
0:00

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

5:03 /mi

Average Pace

5:31 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:00

17% of race

Time at Steady Pace

1:27:38

61% of race

Time at Slower Pace

32:06

22% of race

Average Pace: 5:31 /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 mi10:04:4917:495:4417:49
5:44
#305
10K
6.21 mi10:21:4734:475:3616:58
5:28
#192
15K
9.32 mi10:37:4850:485:2716:01
5:09
#101
20K
12.43 mi10:54:461:07:465:2716:58
5:28
#97
Half
13.11 mi10:58:301:11:305:273:44
5:28
#98
25K
15.53 mi11:11:401:24:405:2713:10
5:26
#84
30K
18.64 mi11:28:501:41:505:2817:10
5:32
#76
20M
20.00 mi11:36:131:49:135:287:23
5:26
#71
21M
21.00 mi11:41:501:54:505:285:37
5:37
#66
35K
21.75 mi11:45:371:58:375:273:47
5:03
#62
23M
23.00 mi11:52:152:05:155:276:38
5:18
#58
24M
24.00 mi11:57:272:10:275:265:12
5:12
#57
40K
24.85 mi12:02:262:15:265:274:59
5:50
#55
25.2M
25.20 mi12:04:472:17:475:282:21
6:49
#56
Finish
26.22 mi12:11:442:24:445:316:57
6:49
#70
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi305131338(Top 0.1%)7(Top 0.06%)7(Top 0.1%)
10K6.21 mi3.10 mi192+11314-114-1122(Top 0.5%)16(Top 0.1%)16(Top 0.3%)
15K9.32 mi3.11 mi101+917+77+738(Top 0.1%)7(Top 0.06%)7(Top 0.1%)
20K12.43 mi3.11 mi97+410-310-380(Top 0.3%)11(Top 0.10%)11(Top 0.2%)
Half13.11 mi0.68 mi98-11010115(Top 0.4%)18(Top 0.2%)18(Top 0.4%)
25K15.53 mi2.42 mi84+14101065(Top 0.2%)8(Top 0.07%)8(Top 0.2%)
30K18.64 mi3.11 mi76+8101054(Top 0.2%)10(Top 0.09%)10(Top 0.2%)
20M20.00 mi1.36 mi71+5101038(Top 0.1%)7(Top 0.06%)7(Top 0.1%)
21M21.00 mi1.00 mi66+58+28+222(Top 0.08%)4(Top 0.04%)4(Top 0.08%)
35K21.75 mi0.75 mi62+48825(Top 0.09%)8(Top 0.07%)8(Top 0.2%)
23M23.00 mi1.25 mi58+46+26+220(Top 0.08%)6(Top 0.05%)6(Top 0.1%)
24M24.00 mi1.00 mi57+16623(Top 0.09%)6(Top 0.05%)6(Top 0.1%)
40K24.85 mi0.85 mi55+266172(Top 0.6%)18(Top 0.2%)18(Top 0.4%)
25.2M25.20 mi0.35 mi56-1661249(Top 5%)61(Top 0.5%)61(Top 1%)
Finish26.22 mi1.02 mi70-1412-612-64209(Top 16%)495(Top 4%)495(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.1%
×21stories
+97ft-345ft

Overall

38

Females

7

F18-39

7

5K→10K

3.1 - 6.2 mi

Top 0.5%
×5stories
+79ft-138ft

Overall

122

Females

16

F18-39

16

10K→15K

6.2 - 9.3 mi

Top 0.1%
×3stories
+67ft-78ft

Overall

38

Females

7

F18-39

7

15K→20K

9.3 - 12.4 mi

Top 0.3%
×5stories
+106ft-86ft

Overall

80

Females

11

F18-39

11

20K→Half

12.4 - 13.1 mi

Top 0.4%
×2stories
+19ft-37ft

Overall

115

Females

18

F18-39

18

Half→25K

13.1 - 15.5 mi

Top 0.2%
×4stories
+66ft-88ft

Overall

65

Females

8

F18-39

8

25K→30K

15.5 - 18.6 mi

Top 0.2%
×9stories
+181ft-148ft

Overall

54

Females

10

F18-39

10

30K→20M

18.6 - 20.0 mi

Top 0.1%
×5stories
+64ft-50ft

Overall

38

Females

7

F18-39

7

20M→21M

20.0 - 21.0 mi

Top 0.08%
×8stories
+106ft-24ft

Overall

22

Females

4

F18-39

4

21M→35K

21.0 - 21.8 mi

Top 0.09%
×7stories
+17ft-86ft

Overall

25

Females

8

F18-39

8

35K→23M

21.8 - 23.0 mi

Top 0.08%
×5stories
+23ft-63ft

Overall

20

Females

6

F18-39

6

23M→24M

23.0 - 24.0 mi

Top 0.09%
×6stories
+12ft-82ft

Overall

23

Females

6

F18-39

6

24M→40K

24.0 - 24.9 mi

Top 0.6%
×1story
+6ft-20ft

Overall

172

Females

18

F18-39

18

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1249

Females

61

F18-39

61

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4209

Females

495

F18-39

495

Passing Analysis

Category:
Athletes Passed
257
Passed By
22
Net Change
+235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#305
5K → 10K1152+113#305#192
10K → 15K910+91#192#101
15K → 20K73+4#101#97
20K → Half12-1#97#98
Half → 25K140+14#98#84
25K → 30K80+8#84#76
30K → 20M50+5#76#71
20M → 21M50+5#71#66
21M → 35K40+4#66#62
35K → 23M40+4#62#58
23M → 24M10+1#58#57
24M → 40K20+2#57#55
40K → 25.2M01-1#55#56
25.2M → Finish014-14#56#70
TOTALS25722+235
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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