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BOSTON MARATHON 2023

Kerin Hempel

NY

Bib: 2091 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:27/mi
20:02
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:17/mi
39:33
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:14/mi
58:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:22/mi
1:18:42
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:12/mi
1:22:56
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:22/mi
1:38:22
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:33/mi
1:58:43
↑ 181↓ 1480.2%
138 ft elev
20M
6:37/mi
2:07:43
↑ 64↓ 500.2%
148 ft elev
21M
6:58/mi
2:14:41
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:29/mi
2:19:32
↑ 17↓ 861.7%
156 ft elev
23M
6:39/mi
2:27:51
↑ 23↓ 630.6%
116 ft elev
24M
6:33/mi
2:34:24
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:38/mi
2:40:04
↓ 200.3%
20 ft elev
25.2M
7:00/mi
2:42:29
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:27/mi
2:49:03
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:22:566:20 /mi⚡ faster
2nd Half
1:26:076:34 /mi+3.8%
Positive split — 3.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

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 mi2026929213476363
10K6.21 mi3.10 mi1832+19478+1478+1417127474
15K9.32 mi3.11 mi1670+16272+672+613476363
20K12.43 mi3.11 mi1677-771+171+116977272
Half13.11 mi0.68 mi1656+21717114376060
25K15.53 mi2.42 mi1617+3969+269+215986767
30K18.64 mi3.11 mi1622-5696917657575
20M20.00 mi1.36 mi1634-1271-271-219739090
21M21.00 mi1.00 mi1628+670+170+12031105105
35K21.75 mi0.75 mi162871-171-12374120120
23M23.00 mi1.25 mi1633-570+170+119529999
24M24.00 mi1.00 mi1642-971-171-12346148148
40K24.85 mi0.85 mi1626+1672-172-12063131131
25.2M25.20 mi0.35 mi1623+372721836109109
Finish26.22 mi1.02 mi1621+272722249160160

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1347

Females

63

F40-44

63

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1712

Females

74

F40-44

74

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1347

Females

63

F40-44

63

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1697

Females

72

F40-44

72

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1437

Females

60

F40-44

60

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1598

Females

67

F40-44

67

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

1765

Females

75

F40-44

75

30K→20M

18.6 - 20.0 mi

Top 7%
×5story building
+64ft-50ft

Overall

1973

Females

90

F40-44

90

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2031

Females

105

F40-44

105

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2374

Females

120

F40-44

120

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

1952

Females

99

F40-44

99

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+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%
×2story building
+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 Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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