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BOSTON MARATHON 2023

Kerin Hempel

Bib: 2091•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Female)
#0 / 11423
Top 0.6%
Masters (Masters Women)
#0 / 6539
Top 0.1%
Division (F40-44)
#0 / 1878
Top 0.4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:02
Rank: #2026
Start → 5K
20:02 | 6:27/mi
10K· 6.21 mi
39:33
Rank: #1832 (+194)
5K → 10K
19:31 | 6:17/mi
15K· 9.32 mi
58:54
Rank: #1670 (+162)
10K → 15K
19:21 | 6:14/mi
20K· 12.43 mi
1:18:42
Rank: #1677 (-7)
15K → 20K
19:48 | 6:22/mi
Half· 13.11 mi
1:22:56
Rank: #1656 (+21)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:38:22
Rank: #1617 (+39)
Half → 25K
15:26 | 6:22/mi
30K· 18.64 mi
1:58:43
Rank: #1622 (-5)
25K → 30K
20:21 | 6:33/mi
20M
2:07:43
Rank: #1634 (-12)
30K → 20M
9:00 | 6:37/mi
21M
2:14:41
Rank: #1628 (+6)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:19:32
Rank: #1628
21M → 35K
4:51 | 6:29/mi
23M
2:27:51
Rank: #1633 (-5)
35K → 23M
8:19 | 6:39/mi
24M
2:34:24
Rank: #1642 (-9)
23M → 24M
6:33 | 6:33/mi
40K· 24.85 mi
2:40:04
Rank: #1626 (+16)
24M → 40K
5:40 | 6:38/mi
25.2M
2:42:29
Rank: #1623 (+3)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:49:03
Rank: #1621 (+2)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:56
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:26:07
Pace6:34 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4120:026:2720:02
6:27
-
10K
6.21 mi10:40:1239:336:2219:31
6:17
-0:10
15K
9.32 mi10:59:3358:546:1919:21
6:14
-0:03
20K
12.43 mi11:19:211:18:426:2019:48
6:22
+0:08
Half
13.11 mi11:23:351:22:566:204:14
6:12
-0:10
25K
15.53 mi11:39:011:38:226:2015:26
6:22
+0:10
30K
18.64 mi11:59:221:58:436:2220:21
6:33
+0:11
20M
20.00 mi12:08:222:07:436:239:00
6:37
+0:04
21M
21.00 mi12:15:202:14:416:256:58
6:58
+0:21
35K
21.75 mi12:20:112:19:326:254:51
6:29
-0:29
23M
23.00 mi12:28:302:27:516:268:19
6:39
+0:10
24M
24.00 mi12:35:032:34:246:266:33
6:33
-0:06
40K
24.85 mi12:40:432:40:046:265:40
6:38
+0:05
25.2M
25.20 mi12:43:082:42:296:272:25
7:00
+0:22
Finish
26.22 mi12:49:422:49:036:276:34
6:27
-0:33

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

6:12 /mi

Average Pace

6:27 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:40

94% of race

Time at Steady Pace

9:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:27 /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 mi10:20:4120:026:2720:02
6:27
#2026
10K
6.21 mi10:40:1239:336:2219:31
6:17
#1832
15K
9.32 mi10:59:3358:546:1919:21
6:14
#1670
20K
12.43 mi11:19:211:18:426:2019:48
6:22
#1677
Half
13.11 mi11:23:351:22:566:204:14
6:12
#1656
25K
15.53 mi11:39:011:38:226:2015:26
6:22
#1617
30K
18.64 mi11:59:221:58:436:2220:21
6:33
#1622
20M
20.00 mi12:08:222:07:436:239:00
6:37
#1634
21M
21.00 mi12:15:202:14:416:256:58
6:58
#1628
35K
21.75 mi12:20:112:19:326:254:51
6:29
#1628
23M
23.00 mi12:28:302:27:516:268:19
6:39
#1633
24M
24.00 mi12:35:032:34:246:266:33
6:33
#1642
40K
24.85 mi12:40:432:40:046:265:40
6:38
#1626
25.2M
25.20 mi12:43:082:42:296:272:25
7:00
#1623
Finish
26.22 mi12:49:422:49:036:276:34
6:27
#1621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi202692921347(Top 5%)63(Top 0.6%)63(Top 3%)
10K6.21 mi3.10 mi1832+19478+1478+141712(Top 6%)74(Top 0.6%)74(Top 4%)
15K9.32 mi3.11 mi1670+16272+672+61347(Top 5%)63(Top 0.6%)63(Top 3%)
20K12.43 mi3.11 mi1677-771+171+11697(Top 6%)72(Top 0.6%)72(Top 4%)
Half13.11 mi0.68 mi1656+2171711437(Top 5%)60(Top 0.5%)60(Top 3%)
25K15.53 mi2.42 mi1617+3969+269+21598(Top 6%)67(Top 0.6%)67(Top 4%)
30K18.64 mi3.11 mi1622-569691765(Top 7%)75(Top 0.7%)75(Top 4%)
20M20.00 mi1.36 mi1634-1271-271-21973(Top 7%)90(Top 0.8%)90(Top 5%)
21M21.00 mi1.00 mi1628+670+170+12031(Top 8%)105(Top 0.9%)105(Top 6%)
35K21.75 mi0.75 mi162871-171-12374(Top 9%)120(Top 1%)120(Top 6%)
23M23.00 mi1.25 mi1633-570+170+11952(Top 7%)99(Top 0.9%)99(Top 5%)
24M24.00 mi1.00 mi1642-971-171-12346(Top 9%)148(Top 1%)148(Top 8%)
40K24.85 mi0.85 mi1626+1672-172-12063(Top 8%)131(Top 1%)131(Top 7%)
25.2M25.20 mi0.35 mi1623+372721836(Top 7%)109(Top 1.0%)109(Top 6%)
Finish26.22 mi1.02 mi1621+272722249(Top 8%)160(Top 1%)160(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1347

Females

63

F40-44

63

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1712

Females

74

F40-44

74

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1347

Females

63

F40-44

63

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1697

Females

72

F40-44

72

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1437

Females

60

F40-44

60

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1598

Females

67

F40-44

67

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1765

Females

75

F40-44

75

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1973

Females

90

F40-44

90

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2031

Females

105

F40-44

105

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2374

Females

120

F40-44

120

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1952

Females

99

F40-44

99

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2346

Females

148

F40-44

148

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2063

Females

131

F40-44

131

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1836

Females

109

F40-44

109

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2249

Females

160

F40-44

160

Passing Analysis

Category:
Athletes Passed
752
Passed By
347
Net Change
+405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2026
5K → 10K22834+194#2026#1832
10K → 15K1686+162#1832#1670
15K → 20K5057-7#1670#1677
20K → Half232+21#1677#1656
Half → 25K5819+39#1656#1617
25K → 30K5156-5#1617#1622
30K → 20M1628-12#1622#1634
20M → 21M2822+6#1634#1628
21M → 35K14140#1628#1628
35K → 23M2429-5#1628#1633
23M → 24M2534-9#1633#1642
24M → 40K3519+16#1642#1626
40K → 25.2M96+3#1626#1623
25.2M → Finish2321+2#1623#1621
TOTALS752347+405
📊

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