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BOSTON MARATHON 2023

Jessica Lyon

Bib: 19195•F

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 43%
Division (F45-49)
#0 / 1817
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
8:04/mi
25:03
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
49:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:15:26
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:41:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:47:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:08:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:36:17
↑ 181↓ 1480.2%
20M
9:16/mi
2:48:53
↑ 64↓ 500.2%
21M
9:58/mi
2:58:51
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:05:41
↑ 17↓ 861.7%
23M
9:34/mi
3:17:40
↑ 23↓ 630.6%
24M
9:21/mi
3:27:01
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:35:11
↓ 200.3%
25.2M
10:06/mi
3:38:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:48/mi
3:47:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:31
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:00:07
Pace9:10 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4725:038:0425:03
8:04
-
10K
6.21 mi11:41:3749:538:0224:50
8:00
-0:04
15K
9.32 mi12:07:101:15:268:0625:33
8:13
+0:13
20K
12.43 mi12:33:321:41:488:1126:22
8:29
+0:16
Half
13.11 mi12:39:151:47:318:125:43
8:23
-0:06
25K
15.53 mi13:00:112:08:278:1620:56
8:38
+0:15
30K
18.64 mi13:28:012:36:178:2327:50
8:58
+0:20
20M
20.00 mi13:40:372:48:538:2712:36
9:16
+0:18
21M
21.00 mi13:50:352:58:518:319:58
9:58
+0:42
35K
21.75 mi13:57:253:05:418:326:50
9:08
-0:50
23M
23.00 mi14:09:243:17:408:3611:59
9:34
+0:26
24M
24.00 mi14:18:453:27:018:389:21
9:21
-0:13
40K
24.85 mi14:26:553:35:118:398:10
9:33
+0:12
25.2M
25.20 mi14:30:243:38:408:413:29
10:06
+0:33
Finish
26.22 mi14:39:223:47:388:418:58
8:48
-1:18

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

8:00 /mi

Average Pace

8:41 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:27

56% of race

Time at Steady Pace

56:14

25% of race

Time at Slower Pace

42:57

19% of race

Average Pace: 8:41 /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 mi11:16:4725:038:0425:03
8:04
#14458
10K
6.21 mi11:41:3749:538:0224:50
8:00
#14587
15K
9.32 mi12:07:101:15:268:0625:33
8:13
#15083
20K
12.43 mi12:33:321:41:488:1126:22
8:29
#15520
Half
13.11 mi12:39:151:47:318:125:43
8:23
#15607
25K
15.53 mi13:00:112:08:278:1620:56
8:38
#15817
30K
18.64 mi13:28:012:36:178:2327:50
8:58
#16045
20M
20.00 mi13:40:372:48:538:2712:36
9:16
#16184
21M
21.00 mi13:50:352:58:518:319:58
9:58
#16299
35K
21.75 mi13:57:253:05:418:326:50
9:08
#16372
23M
23.00 mi14:09:243:17:408:3611:59
9:34
#16556
24M
24.00 mi14:18:453:27:018:389:21
9:21
#16663
40K
24.85 mi14:26:553:35:118:398:10
9:33
#16752
25.2M
25.20 mi14:30:243:38:408:413:29
10:06
#16761
Finish
26.22 mi14:39:223:47:388:418:58
8:48
#16781
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi144584304430416039(Top 60%)5320(Top 47%)5320(Top 293%)
10K6.21 mi3.10 mi14587-1294398-944398-9414779(Top 56%)4532(Top 40%)4532(Top 249%)
15K9.32 mi3.11 mi15083-4964717-3194717-31916039(Top 60%)5320(Top 47%)5320(Top 293%)
20K12.43 mi3.11 mi15520-4375003-2865003-28616777(Top 63%)5803(Top 51%)5803(Top 319%)
Half13.11 mi0.68 mi15607-875065-625065-6217049(Top 64%)5928(Top 52%)5928(Top 326%)
25K15.53 mi2.42 mi15817-2105224-1595224-15917016(Top 64%)6016(Top 53%)6016(Top 331%)
30K18.64 mi3.11 mi16045-2285403-1795403-17916955(Top 64%)6040(Top 53%)6040(Top 332%)
20M20.00 mi1.36 mi16184-1395508-1055508-10517891(Top 67%)6682(Top 58%)6682(Top 368%)
21M21.00 mi1.00 mi16299-1155594-865594-8617918(Top 67%)6707(Top 59%)6707(Top 369%)
35K21.75 mi0.75 mi16372-735643-495643-4918474(Top 69%)7082(Top 62%)7082(Top 390%)
23M23.00 mi1.25 mi16556-1845761-1185761-11818611(Top 70%)7188(Top 63%)7188(Top 396%)
24M24.00 mi1.00 mi16663-1075842-815842-8118656(Top 70%)7248(Top 63%)7248(Top 399%)
40K24.85 mi0.85 mi16752-895911-695911-6918513(Top 70%)7217(Top 63%)7217(Top 397%)
25.2M25.20 mi0.35 mi16761-95928-175928-1717794(Top 67%)6844(Top 60%)6844(Top 377%)
Finish26.22 mi1.02 mi16781-205950-225950-2217053(Top 64%)6405(Top 56%)6405(Top 353%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16039

Females

5320

F45-49

5320

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14779

Females

4532

F45-49

4532

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16039

Females

5320

F45-49

5320

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16777

Females

5803

F45-49

5803

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17049

Females

5928

F45-49

5928

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17016

Females

6016

F45-49

6016

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16955

Females

6040

F45-49

6040

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17891

Females

6682

F45-49

6682

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17918

Females

6707

F45-49

6707

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18474

Females

7082

F45-49

7082

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18611

Females

7188

F45-49

7188

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18656

Females

7248

F45-49

7248

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18513

Females

7217

F45-49

7217

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17794

Females

6844

F45-49

6844

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17053

Females

6405

F45-49

6405

Passing Analysis

Category:
Athletes Passed
878
Passed By
3201
Net Change
-2323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14458
5K → 10K228357-129#14458#14587
10K → 15K58554-496#14587#15083
15K → 20K73510-437#15083#15520
20K → Half996-87#15520#15607
Half → 25K82292-210#15607#15817
25K → 30K118346-228#15817#16045
30K → 20M47186-139#16045#16184
20M → 21M43158-115#16184#16299
21M → 35K29102-73#16299#16372
35K → 23M37221-184#16372#16556
23M → 24M36143-107#16556#16663
24M → 40K32121-89#16663#16752
40K → 25.2M2433-9#16752#16761
25.2M → Finish6282-20#16761#16781
TOTALS8783201-2323
📊

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