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BOSTON MARATHON 2023

Jadzia Herrera

Bib: 12975•F

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:15
Rank: #9504
Start → 5K
23:15 | 7:29/mi
10K· 6.21 mi
46:01
Rank: #9225 (+279)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:08:44
Rank: #9012 (+213)
10K → 15K
22:43 | 7:19/mi
20K· 12.43 mi
1:31:52
Rank: #8943 (+69)
15K → 20K
23:08 | 7:27/mi
Half· 13.11 mi
1:36:51
Rank: #8919 (+24)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:54:59
Rank: #8849 (+70)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:18:31
Rank: #8612 (+237)
25K → 30K
23:32 | 7:34/mi
20M
2:28:55
Rank: #8532 (+80)
30K → 20M
10:24 | 7:39/mi
21M
2:36:58
Rank: #8467 (+65)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:42:41
Rank: #8486 (-19)
21M → 35K
5:43 | 7:38/mi
23M
2:52:40
Rank: #8530 (-44)
35K → 23M
9:59 | 7:58/mi
24M
3:00:33
Rank: #8587 (-57)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:07:35
Rank: #8672 (-85)
24M → 40K
7:02 | 8:14/mi
25.2M
3:10:42
Rank: #8732 (-60)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:19:02
Rank: #8899 (-167)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:51
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:42:11
Pace7:48 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2823:157:2923:15
7:29
-
10K
6.21 mi11:13:1446:017:2422:46
7:20
-0:09
15K
9.32 mi11:35:571:08:447:2222:43
7:19
-0:01
20K
12.43 mi11:59:051:31:527:2423:08
7:27
+0:08
Half
13.11 mi12:04:041:36:517:234:59
7:18
-0:09
25K
15.53 mi12:22:121:54:597:2418:08
7:29
+0:11
30K
18.64 mi12:45:442:18:317:2623:32
7:34
+0:05
20M
20.00 mi12:56:082:28:557:2710:24
7:39
+0:05
21M
21.00 mi13:04:112:36:587:288:03
8:03
+0:24
35K
21.75 mi13:09:542:42:417:295:43
7:38
-0:25
23M
23.00 mi13:19:532:52:407:309:59
7:58
+0:20
24M
24.00 mi13:27:463:00:337:317:53
7:53
-0:05
40K
24.85 mi13:34:483:07:357:337:02
8:14
+0:21
25.2M
25.20 mi13:37:553:10:427:343:07
9:02
+0:48
Finish
26.22 mi13:46:153:19:027:368:20
8:11
-0:51

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

7:18 /mi

Average Pace

7:36 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:28

25% of race

Time at Steady Pace

1:44:10

52% of race

Time at Slower Pace

44:24

22% of race

Average Pace: 7:35 /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 mi10:50:2823:157:2923:15
7:29
#9504
10K
6.21 mi11:13:1446:017:2422:46
7:20
#9225
15K
9.32 mi11:35:571:08:447:2222:43
7:19
#9012
20K
12.43 mi11:59:051:31:527:2423:08
7:27
#8943
Half
13.11 mi12:04:041:36:517:234:59
7:18
#8919
25K
15.53 mi12:22:121:54:597:2418:08
7:29
#8849
30K
18.64 mi12:45:442:18:317:2623:32
7:34
#8612
20M
20.00 mi12:56:082:28:557:2710:24
7:39
#8532
21M
21.00 mi13:04:112:36:587:288:03
8:03
#8467
35K
21.75 mi13:09:542:42:417:295:43
7:38
#8486
23M
23.00 mi13:19:532:52:407:309:59
7:58
#8530
24M
24.00 mi13:27:463:00:337:317:53
7:53
#8587
40K
24.85 mi13:34:483:07:357:337:02
8:14
#8672
25.2M
25.20 mi13:37:553:10:427:343:07
9:02
#8732
Finish
26.22 mi13:46:153:19:027:368:20
8:11
#8899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9504161916198682(Top 33%)1313(Top 11%)1313(Top 27%)
10K6.21 mi3.10 mi9225+2791508+1111508+1119081(Top 34%)1445(Top 13%)1445(Top 30%)
15K9.32 mi3.11 mi9012+2131427+811427+818682(Top 33%)1313(Top 11%)1313(Top 27%)
20K12.43 mi3.11 mi8943+691419+81419+88886(Top 33%)1441(Top 13%)1441(Top 30%)
Half13.11 mi0.68 mi8919+241415+41415+48717(Top 33%)1377(Top 12%)1377(Top 28%)
25K15.53 mi2.42 mi8849+701390+251390+258641(Top 32%)1405(Top 12%)1405(Top 29%)
30K18.64 mi3.11 mi8612+2371341+491341+497776(Top 29%)1212(Top 11%)1212(Top 25%)
20M20.00 mi1.36 mi8532+801329+121329+127867(Top 30%)1355(Top 12%)1355(Top 28%)
21M21.00 mi1.00 mi8467+651327+21327+27706(Top 29%)1391(Top 12%)1391(Top 28%)
35K21.75 mi0.75 mi8486-191345-181345-189582(Top 36%)2167(Top 19%)2167(Top 44%)
23M23.00 mi1.25 mi8530-441385-401385-409582(Top 36%)2292(Top 20%)2292(Top 47%)
24M24.00 mi1.00 mi8587-571421-361421-3610417(Top 39%)2783(Top 24%)2783(Top 57%)
40K24.85 mi0.85 mi8672-851478-571478-5711548(Top 43%)3426(Top 30%)3426(Top 70%)
25.2M25.20 mi0.35 mi8732-601522-441522-4412741(Top 48%)4074(Top 36%)4074(Top 83%)
Finish26.22 mi1.02 mi8899-1671601-791601-7913285(Top 50%)4344(Top 38%)4344(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8682

Females

1313

F18-39

1313

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9081

Females

1445

F18-39

1445

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8682

Females

1313

F18-39

1313

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8886

Females

1441

F18-39

1441

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8717

Females

1377

F18-39

1377

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8641

Females

1405

F18-39

1405

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7776

Females

1212

F18-39

1212

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7867

Females

1355

F18-39

1355

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7706

Females

1391

F18-39

1391

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9582

Females

2167

F18-39

2167

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9582

Females

2292

F18-39

2292

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10417

Females

2783

F18-39

2783

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11548

Females

3426

F18-39

3426

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12741

Females

4074

F18-39

4074

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13285

Females

4344

F18-39

4344

Passing Analysis

Category:
Athletes Passed
1771
Passed By
1166
Net Change
+605
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9504
5K → 10K439160+279#9504#9225
10K → 15K27764+213#9225#9012
15K → 20K15990+69#9012#8943
20K → Half4117+24#8943#8919
Half → 25K13363+70#8919#8849
25K → 30K28245+237#8849#8612
30K → 20M12343+80#8612#8532
20M → 21M10439+65#8532#8467
21M → 35K3251-19#8467#8486
35K → 23M68112-44#8486#8530
23M → 24M50107-57#8530#8587
24M → 40K34119-85#8587#8672
40K → 25.2M1373-60#8672#8732
25.2M → Finish16183-167#8732#8899
TOTALS17711166+605
📊

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