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BOSTON MARATHON 2023

Jenna Hernandez

Bib: 16819•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:32/mi
23:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:10:20
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:33:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:38:59
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:57:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:22:34
↑ 181↓ 1480.2%
20M
8:13/mi
2:33:44
↑ 64↓ 500.2%
21M
8:41/mi
2:42:25
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:48:26
↑ 17↓ 861.7%
23M
8:06/mi
2:58:34
↑ 23↓ 630.6%
24M
8:02/mi
3:06:36
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:13:42
↓ 200.3%
25.2M
8:51/mi
3:16:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:58/mi
3:24:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:59
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:45:53
Pace8:05 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3423:247:3223:24
7:32
-
10K
6.21 mi11:37:0146:517:3223:27
7:33
+0:01
15K
9.32 mi12:00:301:10:207:3323:29
7:34
+0:01
20K
12.43 mi12:24:011:33:517:3323:31
7:34
0:00
Half
13.11 mi12:29:091:38:597:335:08
7:31
-0:03
25K
15.53 mi12:47:551:57:457:3518:46
7:44
+0:13
30K
18.64 mi13:12:442:22:347:3924:49
7:59
+0:15
20M
20.00 mi13:23:542:33:447:4111:10
8:13
+0:14
21M
21.00 mi13:32:352:42:257:448:41
8:41
+0:28
35K
21.75 mi13:38:362:48:267:456:01
8:03
-0:38
23M
23.00 mi13:48:442:58:347:4610:08
8:06
+0:03
24M
24.00 mi13:56:463:06:367:478:02
8:02
-0:04
40K
24.85 mi14:03:523:13:427:487:06
8:18
+0:16
25.2M
25.20 mi14:06:553:16:457:483:03
8:51
+0:33
Finish
26.22 mi14:15:023:24:527:498:07
7:58
-0:53

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

7:31 /mi

Average Pace

7:49 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:02

91% of race

Time at Steady Pace

18:50

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:13:3423:247:3223:24
7:32
#9933
10K
6.21 mi11:37:0146:517:3223:27
7:33
#10403
15K
9.32 mi12:00:301:10:207:3323:29
7:34
#10476
20K
12.43 mi12:24:011:33:517:3323:31
7:34
#10295
Half
13.11 mi12:29:091:38:597:335:08
7:31
#10299
25K
15.53 mi12:47:551:57:457:3518:46
7:44
#10306
30K
18.64 mi13:12:442:22:347:3924:49
7:59
#10351
20M
20.00 mi13:23:542:33:447:4111:10
8:13
#10455
21M
21.00 mi13:32:352:42:257:448:41
8:41
#10491
35K
21.75 mi13:38:362:48:267:456:01
8:03
#10536
23M
23.00 mi13:48:442:58:347:4610:08
8:06
#10516
24M
24.00 mi13:56:463:06:367:478:02
8:02
#10547
40K
24.85 mi14:03:523:13:427:487:06
8:18
#10580
25.2M
25.20 mi14:06:553:16:457:483:03
8:51
#10581
Finish
26.22 mi14:15:023:24:527:498:07
7:58
#10605
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi99331835183510677(Top 40%)2177(Top 19%)2177(Top 45%)
10K6.21 mi3.10 mi10403-4702032-1972032-19710883(Top 41%)2257(Top 20%)2257(Top 46%)
15K9.32 mi3.11 mi10476-732053-212053-2110677(Top 40%)2177(Top 19%)2177(Top 45%)
20K12.43 mi3.11 mi10295+1811975+781975+789874(Top 37%)1864(Top 16%)1864(Top 38%)
Half13.11 mi0.68 mi10299-41974+11974+110511(Top 39%)2161(Top 19%)2161(Top 44%)
25K15.53 mi2.42 mi10306-72001-272001-2710648(Top 40%)2318(Top 20%)2318(Top 47%)
30K18.64 mi3.11 mi10351-452078-772078-7710821(Top 41%)2559(Top 22%)2559(Top 52%)
20M20.00 mi1.36 mi10455-1042149-712149-7111850(Top 45%)3196(Top 28%)3196(Top 65%)
21M21.00 mi1.00 mi10491-362202-532202-5311610(Top 44%)3213(Top 28%)3213(Top 66%)
35K21.75 mi0.75 mi10536-452237-352237-3512518(Top 47%)3730(Top 33%)3730(Top 76%)
23M23.00 mi1.25 mi10516+202256-192256-1910472(Top 39%)2765(Top 24%)2765(Top 57%)
24M24.00 mi1.00 mi10547-312308-522308-5211530(Top 43%)3360(Top 29%)3360(Top 69%)
40K24.85 mi0.85 mi10580-332355-472355-4712150(Top 46%)3772(Top 33%)3772(Top 77%)
25.2M25.20 mi0.35 mi10581-12360-52360-511746(Top 44%)3640(Top 32%)3640(Top 75%)
Finish26.22 mi1.02 mi10605-242393-332393-3311931(Top 45%)3687(Top 32%)3687(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10677

Females

2177

F18-39

2177

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10883

Females

2257

F18-39

2257

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10677

Females

2177

F18-39

2177

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9874

Females

1864

F18-39

1864

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10511

Females

2161

F18-39

2161

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10648

Females

2318

F18-39

2318

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10821

Females

2559

F18-39

2559

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11850

Females

3196

F18-39

3196

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11610

Females

3213

F18-39

3213

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12518

Females

3730

F18-39

3730

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10472

Females

2765

F18-39

2765

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11530

Females

3360

F18-39

3360

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12150

Females

3772

F18-39

3772

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11746

Females

3640

F18-39

3640

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11931

Females

3687

F18-39

3687

Passing Analysis

Category:
Athletes Passed
1311*
Passed By
1982
Net Change
-672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9933
5K → 10K140609-470#9933#10403
10K → 15K168241-73#10403#10476
15K → 20K246*65+181#10476#10295
20K → Half2327-4#10295#10299
Half → 25K139146-7#10299#10306
25K → 30K139184-45#10306#10351
30K → 20M49*153-104#10351#10455
20M → 21M74110-36#10455#10491
21M → 35K3378-45#10491#10536
35K → 23M8969+20#10536#10516
23M → 24M6293-31#10516#10547
24M → 40K5285-33#10547#10580
40K → 25.2M3132-1#10580#10581
25.2M → Finish6690-24#10581#10605
TOTALS1311*1982-672

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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