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BOSTON MARATHON 2023

Kathy Hernandez

Bib: 23480•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 45%
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
9:11/mi
28:31
↑ 97↓ 3451.5%
10K· 6.21 mi
9:12/mi
57:07
↑ 79↓ 1380.4%
15K· 9.32 mi
9:13/mi
1:25:45
↑ 67↓ 78
20K· 12.43 mi
10:19/mi
1:57:47
↑ 106↓ 860.1%
Half· 13.11 mi
9:05/mi
2:03:59
↑ 19↓ 370.5%
25K· 15.53 mi
9:22/mi
2:26:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:56:38
↑ 181↓ 1480.2%
20M
9:36/mi
3:09:41
↑ 64↓ 500.2%
21M
10:03/mi
3:19:44
↑ 106↓ 241.6%
35K· 21.75 mi
9:28/mi
3:26:49
↑ 17↓ 861.7%
23M
9:48/mi
3:39:05
↑ 23↓ 630.6%
24M
9:34/mi
3:48:39
↓ 821.3%
40K· 24.85 mi
9:46/mi
3:57:00
↓ 200.3%
25.2M
10:44/mi
4:00:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:54/mi
4:10:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:59
Pace9:27 /mi
2nd Half
Distance13.11 mi
Time2:06:48
Pace9:40 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0528:319:1128:31
9:11
-
10K
6.21 mi11:52:4157:079:1228:36
9:12
+0:01
15K
9.32 mi12:21:191:25:459:1228:38
9:13
+0:01
20K
12.43 mi12:53:211:57:479:2932:02
10:19
+1:06
Half
13.11 mi12:59:332:03:599:276:12
9:05
-1:14
25K
15.53 mi13:22:152:26:419:2722:42
9:22
+0:17
30K
18.64 mi13:52:122:56:389:2929:57
9:38
+0:16
20M
20.00 mi14:05:153:09:419:2913:03
9:36
-0:02
21M
21.00 mi14:15:183:19:449:3110:03
10:03
+0:27
35K
21.75 mi14:22:233:26:499:317:05
9:28
-0:35
23M
23.00 mi14:34:393:39:059:3212:16
9:48
+0:20
24M
24.00 mi14:44:133:48:399:329:34
9:34
-0:14
40K
24.85 mi14:52:343:57:009:328:21
9:46
+0:12
25.2M
25.20 mi14:56:164:00:429:333:42
10:44
+0:58
Finish
26.22 mi15:06:214:10:479:3410:05
9:54
-0:50

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

9:05 /mi

Average Pace

9:34 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:00

82% of race

Time at Steady Pace

42:05

17% of race

Time at Slower Pace

3:42

1% of race

Average Pace: 9:34 /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 mi11:24:0528:319:1128:31
9:11
#21155
10K
6.21 mi11:52:4157:079:1228:36
9:12
#21369
15K
9.32 mi12:21:191:25:459:1228:38
9:13
#21369
20K
12.43 mi12:53:211:57:479:2932:02
10:19
#22031
Half
13.11 mi12:59:332:03:599:276:12
9:05
#21964
25K
15.53 mi13:22:152:26:419:2722:42
9:22
#21705
30K
18.64 mi13:52:122:56:389:2929:57
9:38
#21400
20M
20.00 mi14:05:153:09:419:2913:03
9:36
#21226
21M
21.00 mi14:15:183:19:449:3110:03
10:03
#21060
35K
21.75 mi14:22:233:26:499:317:05
9:28
#21007
23M
23.00 mi14:34:393:39:059:3212:16
9:48
#20875
24M
24.00 mi14:44:133:48:399:329:34
9:34
#20807
40K
24.85 mi14:52:343:57:009:328:21
9:46
#20745
25.2M
25.20 mi14:56:164:00:429:333:42
10:44
#20733
Finish
26.22 mi15:06:214:10:479:3410:05
9:54
#20739
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi211558452845221369(Top 80%)8435(Top 74%)8435(Top 1601%)
10K6.21 mi3.10 mi21369-2148512-608512-6021638(Top 81%)8623(Top 75%)8623(Top 1636%)
15K9.32 mi3.11 mi213698484+288484+2821369(Top 80%)8435(Top 74%)8435(Top 1601%)
20K12.43 mi3.11 mi22031-6628856-3728856-37223488(Top 88%)9622(Top 84%)9622(Top 1826%)
Half13.11 mi0.68 mi21964+678812+448812+4420819(Top 78%)8143(Top 71%)8143(Top 1545%)
25K15.53 mi2.42 mi21705+2598658+1548658+15420397(Top 77%)7925(Top 69%)7925(Top 1504%)
30K18.64 mi3.11 mi21400+3058502+1568502+15619947(Top 75%)7738(Top 68%)7738(Top 1468%)
20M20.00 mi1.36 mi21226+1748431+718431+7119262(Top 72%)7440(Top 65%)7440(Top 1412%)
21M21.00 mi1.00 mi21060+1668356+758356+7518233(Top 68%)6898(Top 60%)6898(Top 1309%)
35K21.75 mi0.75 mi21007+538330+268330+2619780(Top 74%)7808(Top 68%)7808(Top 1482%)
23M23.00 mi1.25 mi20875+1328266+648266+6419439(Top 73%)7653(Top 67%)7653(Top 1452%)
24M24.00 mi1.00 mi20807+688234+328234+3219462(Top 73%)7701(Top 67%)7701(Top 1461%)
40K24.85 mi0.85 mi20745+628211+238211+2319301(Top 73%)7659(Top 67%)7659(Top 1453%)
25.2M25.20 mi0.35 mi20733+128210+18210+119826(Top 74%)7967(Top 70%)7967(Top 1512%)
Finish26.22 mi1.02 mi20739-68222-128222-1221476(Top 81%)8832(Top 77%)8832(Top 1676%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21369

Females

8435

F60-64

8435

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21638

Females

8623

F60-64

8623

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21369

Females

8435

F60-64

8435

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23488

Females

9622

F60-64

9622

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20819

Females

8143

F60-64

8143

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20397

Females

7925

F60-64

7925

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19947

Females

7738

F60-64

7738

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19262

Females

7440

F60-64

7440

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18233

Females

6898

F60-64

6898

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19780

Females

7808

F60-64

7808

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19439

Females

7653

F60-64

7653

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

19462

Females

7701

F60-64

7701

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19301

Females

7659

F60-64

7659

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19826

Females

7967

F60-64

7967

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21476

Females

8832

F60-64

8832

Passing Analysis

Category:
Athletes Passed
1783
Passed By
1367
Net Change
+416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21155
5K → 10K180394-214#21155#21369
10K → 15K1551550#21369#21369
15K → 20K18680-662#21369#22031
20K → Half736+67#22031#21964
Half → 25K2678+259#21964#21705
25K → 30K31914+305#21705#21400
30K → 20M1806+174#21400#21226
20M → 21M1726+166#21226#21060
21M → 35K6613+53#21060#21007
35K → 23M14715+132#21007#20875
23M → 24M779+68#20875#20807
24M → 40K7412+62#20807#20745
40K → 25.2M2311+12#20745#20733
25.2M → Finish3238-6#20733#20739
TOTALS17831367+416
📊

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