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BOSTON MARATHON 2023

Jessie Hem

Bib: 25335•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #10229
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
46:47
Rank: #10310 (-81)
5K → 10K
23:17 | 7:30/mi
15K· 9.32 mi
1:10:26
Rank: #10566 (-256)
10K → 15K
23:39 | 7:37/mi
20K· 12.43 mi
1:34:28
Rank: #10727 (-161)
15K → 20K
24:02 | 7:44/mi
Half· 13.11 mi
1:39:41
Rank: #10755 (-28)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:58:28
Rank: #10707 (+48)
Half → 25K
18:47 | 7:45/mi
30K· 18.64 mi
2:23:45
Rank: #10867 (-160)
25K → 30K
25:17 | 8:08/mi
20M
2:34:56
Rank: #10908 (-41)
30K → 20M
11:11 | 8:14/mi
21M
2:43:45
Rank: #10987 (-79)
20M → 21M
8:49 | 8:49/mi
35K· 21.75 mi
2:50:15
Rank: #11217 (-230)
21M → 35K
6:30 | 8:41/mi
23M
3:01:03
Rank: #11410 (-193)
35K → 23M
10:48 | 8:38/mi
24M
3:09:15
Rank: #11463 (-53)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:16:55
Rank: #11672 (-209)
24M → 40K
7:40 | 8:58/mi
25.2M
3:20:15
Rank: #11751 (-79)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:28:23
Rank: #11750 (+1)
25.2M → Finish
8:08 | 7:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:41
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:48:42
Pace8:18 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:1123:307:3423:30
7:34
-
10K
6.21 mi12:02:2846:477:3223:17
7:30
-0:04
15K
9.32 mi12:26:071:10:267:3323:39
7:37
+0:07
20K
12.43 mi12:50:091:34:287:3624:02
7:44
+0:07
Half
13.11 mi12:55:221:39:417:365:13
7:39
-0:05
25K
15.53 mi13:14:091:58:287:3818:47
7:45
+0:06
30K
18.64 mi13:39:262:23:457:4325:17
8:08
+0:23
20M
20.00 mi13:50:372:34:567:4511:11
8:14
+0:06
21M
21.00 mi13:59:262:43:457:488:49
8:49
+0:35
35K
21.75 mi14:05:562:50:157:506:30
8:41
-0:08
23M
23.00 mi14:16:443:01:037:5210:48
8:38
-0:03
24M
24.00 mi14:24:563:09:157:538:12
8:12
-0:26
40K
24.85 mi14:32:363:16:557:557:40
8:58
+0:46
25.2M
25.20 mi14:35:563:20:157:573:20
9:40
+0:42
Finish
26.22 mi14:44:043:28:237:578:08
7:59
-1:41

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

7:30 /mi

Average Pace

7:57 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:28

57% of race

Time at Steady Pace

52:48

25% of race

Time at Slower Pace

37:07

18% of race

Average Pace: 7:57 /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 mi11:39:1123:307:3423:30
7:34
#10229
10K
6.21 mi12:02:2846:477:3223:17
7:30
#10310
15K
9.32 mi12:26:071:10:267:3323:39
7:37
#10566
20K
12.43 mi12:50:091:34:287:3624:02
7:44
#10727
Half
13.11 mi12:55:221:39:417:365:13
7:39
#10755
25K
15.53 mi13:14:091:58:287:3818:47
7:45
#10707
30K
18.64 mi13:39:262:23:457:4325:17
8:08
#10867
20M
20.00 mi13:50:372:34:567:4511:11
8:14
#10908
21M
21.00 mi13:59:262:43:457:488:49
8:49
#10987
35K
21.75 mi14:05:562:50:157:506:30
8:41
#11217
23M
23.00 mi14:16:443:01:037:5210:48
8:38
#11410
24M
24.00 mi14:24:563:09:157:538:12
8:12
#11463
40K
24.85 mi14:32:363:16:557:557:40
8:58
#11672
25.2M
25.20 mi14:35:563:20:157:573:20
9:40
#11751
Finish
26.22 mi14:44:043:28:237:578:08
7:59
#11750
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi102291972197211136(Top 42%)2427(Top 21%)2427(Top 50%)
10K6.21 mi3.10 mi10310-811978-61978-610410(Top 39%)2013(Top 18%)2013(Top 41%)
15K9.32 mi3.11 mi10566-2562102-1242102-12411136(Top 42%)2427(Top 21%)2427(Top 50%)
20K12.43 mi3.11 mi10727-1612204-1022204-10211207(Top 42%)2518(Top 22%)2518(Top 52%)
Half13.11 mi0.68 mi10755-282219-152219-1511484(Top 43%)2625(Top 23%)2625(Top 54%)
25K15.53 mi2.42 mi10707+482204+152204+1510701(Top 40%)2343(Top 21%)2343(Top 48%)
30K18.64 mi3.11 mi10867-1602332-1282332-12811913(Top 45%)3135(Top 27%)3135(Top 64%)
20M20.00 mi1.36 mi10908-412386-542386-5411897(Top 45%)3213(Top 28%)3213(Top 66%)
21M21.00 mi1.00 mi10987-792455-692455-6912373(Top 46%)3609(Top 32%)3609(Top 74%)
35K21.75 mi0.75 mi11217-2302587-1322587-13216347(Top 61%)5896(Top 52%)5896(Top 121%)
23M23.00 mi1.25 mi11410-1932726-1392726-13913938(Top 52%)4571(Top 40%)4571(Top 94%)
24M24.00 mi1.00 mi11463-532771-452771-4512611(Top 47%)3911(Top 34%)3911(Top 80%)
40K24.85 mi0.85 mi11672-2092904-1332904-13315966(Top 60%)5824(Top 51%)5824(Top 119%)
25.2M25.20 mi0.35 mi11751-792962-582962-5815955(Top 60%)5819(Top 51%)5819(Top 119%)
Finish26.22 mi1.02 mi11750+12982-202982-2012006(Top 45%)3704(Top 32%)3704(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11136

Females

2427

F18-39

2427

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10410

Females

2013

F18-39

2013

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11136

Females

2427

F18-39

2427

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11207

Females

2518

F18-39

2518

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11484

Females

2625

F18-39

2625

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10701

Females

2343

F18-39

2343

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11913

Females

3135

F18-39

3135

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11897

Females

3213

F18-39

3213

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12373

Females

3609

F18-39

3609

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16347

Females

5896

F18-39

5896

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13938

Females

4571

F18-39

4571

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12611

Females

3911

F18-39

3911

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15966

Females

5824

F18-39

5824

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15955

Females

5819

F18-39

5819

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12006

Females

3704

F18-39

3704

Passing Analysis

Category:
Athletes Passed
1108*
Passed By
2629
Net Change
-1521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10229
5K → 10K265*346-81#10229#10310
10K → 15K99355-256#10310#10566
15K → 20K96257-161#10566#10727
20K → Half1947-28#10727#10755
Half → 25K149101+48#10755#10707
25K → 30K140300-160#10707#10867
30K → 20M69*110-41#10867#10908
20M → 21M50129-79#10908#10987
21M → 35K10240-230#10987#11217
35K → 23M47240-193#11217#11410
23M → 24M47100-53#11410#11463
24M → 40K24233-209#11463#11672
40K → 25.2M1392-79#11672#11751
25.2M → Finish8079+1#11751#11750
TOTALS1108*2629-1521

* 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