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BOSTON MARATHON 2023

Lisa Janty

Bib: 22958•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:05/mi
28:12
↑ 97↓ 3451.5%
10K· 6.21 mi
9:16/mi
56:59
↑ 79↓ 1380.4%
15K· 9.32 mi
9:10/mi
1:25:27
↑ 67↓ 78
20K· 12.43 mi
9:01/mi
1:53:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:59:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:21:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:49:21
↑ 181↓ 1480.2%
20M
9:05/mi
3:01:42
↑ 64↓ 500.2%
21M
10:04/mi
3:11:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:18:15
↑ 17↓ 861.7%
23M
9:05/mi
3:29:37
↑ 23↓ 630.6%
24M
9:19/mi
3:38:56
↓ 821.3%
40K· 24.85 mi
9:06/mi
3:46:43
↓ 200.3%
25.2M
10:35/mi
3:50:22
↑ 13↓ 160.2%
Finish· 26.22 mi
10:04/mi
4:00:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:28
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:01:09
Pace9:15 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5028:129:0528:12
9:05
-
10K
6.21 mi11:50:3756:599:1028:47
9:16
+0:11
15K
9.32 mi12:19:051:25:279:1028:28
9:10
-0:06
20K
12.43 mi12:47:051:53:279:0828:00
9:01
-0:09
Half
13.11 mi12:53:061:59:289:076:01
8:49
-0:12
25K
15.53 mi13:14:472:21:099:0521:41
8:57
+0:08
30K
18.64 mi13:42:592:49:219:0528:12
9:05
+0:08
20M
20.00 mi13:55:203:01:429:0512:21
9:05
0:00
21M
21.00 mi14:05:243:11:469:0810:04
10:04
+0:59
35K
21.75 mi14:11:533:18:159:076:29
8:40
-1:24
23M
23.00 mi14:23:153:29:379:0711:22
9:05
+0:25
24M
24.00 mi14:32:343:38:569:079:19
9:19
+0:14
40K
24.85 mi14:40:213:46:439:077:47
9:06
-0:13
25.2M
25.20 mi14:44:003:50:229:083:39
10:35
+1:29
Finish
26.22 mi14:54:154:00:379:1110:15
10:04
-0:31

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

8:40 /mi

Average Pace

9:11 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:30

5% of race

Time at Steady Pace

3:24:09

85% of race

Time at Slower Pace

23:58

10% of race

Average Pace: 9:11 /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 mi11:21:5028:129:0528:12
9:05
#20778
10K
6.21 mi11:50:3756:599:1028:47
9:16
#21313
15K
9.32 mi12:19:051:25:279:1028:28
9:10
#21258
20K
12.43 mi12:47:051:53:279:0828:00
9:01
#20910
Half
13.11 mi12:53:061:59:289:076:01
8:49
#20834
25K
15.53 mi13:14:472:21:099:0521:41
8:57
#20496
30K
18.64 mi13:42:592:49:219:0528:12
9:05
#19983
20M
20.00 mi13:55:203:01:429:0512:21
9:05
#19744
21M
21.00 mi14:05:243:11:469:0810:04
10:04
#19641
35K
21.75 mi14:11:533:18:159:076:29
8:40
#19546
23M
23.00 mi14:23:153:29:379:0711:22
9:05
#19367
24M
24.00 mi14:32:343:38:569:079:19
9:19
#19334
40K
24.85 mi14:40:213:46:439:077:47
9:06
#19236
25.2M
25.20 mi14:44:003:50:229:083:39
10:35
#19253
Finish
26.22 mi14:54:154:00:379:1110:15
10:04
#19415
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi207788256825621176(Top 80%)8325(Top 73%)8325(Top 690%)
10K6.21 mi3.10 mi21313-5358485-2298485-22921818(Top 82%)8722(Top 76%)8722(Top 723%)
15K9.32 mi3.11 mi21258+558417+688417+6821176(Top 80%)8325(Top 73%)8325(Top 690%)
20K12.43 mi3.11 mi20910+3488223+1948223+19419767(Top 74%)7536(Top 66%)7536(Top 624%)
Half13.11 mi0.68 mi20834+768180+438180+4319628(Top 74%)7456(Top 65%)7456(Top 618%)
25K15.53 mi2.42 mi20496+3387979+2017979+20118695(Top 70%)6964(Top 61%)6964(Top 577%)
30K18.64 mi3.11 mi19983+5137723+2567723+25617591(Top 66%)6412(Top 56%)6412(Top 531%)
20M20.00 mi1.36 mi19744+2397585+1387585+13817018(Top 64%)6178(Top 54%)6178(Top 512%)
21M21.00 mi1.00 mi19641+1037535+507535+5018287(Top 69%)6924(Top 61%)6924(Top 574%)
35K21.75 mi0.75 mi19546+957490+457490+4516304(Top 61%)5889(Top 52%)5889(Top 488%)
23M23.00 mi1.25 mi19367+1797388+1027388+10216466(Top 62%)6010(Top 53%)6010(Top 498%)
24M24.00 mi1.00 mi19334+337374+147374+1418548(Top 70%)7199(Top 63%)7199(Top 596%)
40K24.85 mi0.85 mi19236+987332+427332+4216683(Top 63%)6236(Top 55%)6236(Top 517%)
25.2M25.20 mi0.35 mi19253-177348-167348-1619385(Top 73%)7719(Top 68%)7719(Top 640%)
Finish26.22 mi1.02 mi19415-1627450-1027450-10221924(Top 82%)9075(Top 79%)9075(Top 752%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21176

Females

8325

F50-54

8325

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21818

Females

8722

F50-54

8722

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21176

Females

8325

F50-54

8325

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19767

Females

7536

F50-54

7536

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19628

Females

7456

F50-54

7456

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18695

Females

6964

F50-54

6964

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17591

Females

6412

F50-54

6412

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17018

Females

6178

F50-54

6178

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18287

Females

6924

F50-54

6924

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16304

Females

5889

F50-54

5889

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16466

Females

6010

F50-54

6010

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18548

Females

7199

F50-54

7199

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16683

Females

6236

F50-54

6236

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19385

Females

7719

F50-54

7719

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21924

Females

9075

F50-54

9075

Passing Analysis

Category:
Athletes Passed
2480
Passed By
1117
Net Change
+1363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20778
5K → 10K100635-535#20778#21313
10K → 15K189134+55#21313#21258
15K → 20K37931+348#21258#20910
20K → Half804+76#20910#20834
Half → 25K3457+338#20834#20496
25K → 30K5174+513#20496#19983
30K → 20M2401+239#19983#19744
20M → 21M13431+103#19744#19641
21M → 35K983+95#19641#19546
35K → 23M19213+179#19546#19367
23M → 24M7441+33#19367#19334
24M → 40K1035+98#19334#19236
40K → 25.2M1633-17#19236#19253
25.2M → Finish13175-162#19253#19415
TOTALS24801117+1363
📊

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