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BOSTON MARATHON 2023

Lani Teshima

Bib: 24000•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
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
9:43/mi
30:12
↑ 97↓ 3451.5%
10K· 6.21 mi
9:35/mi
59:59
↑ 79↓ 1380.4%
15K· 9.32 mi
9:37/mi
1:29:53
↑ 67↓ 78
20K· 12.43 mi
9:58/mi
2:00:51
↑ 106↓ 860.1%
Half· 13.11 mi
9:58/mi
2:07:39
↑ 19↓ 370.5%
25K· 15.53 mi
10:23/mi
2:32:49
↑ 66↓ 880.2%
30K· 18.64 mi
10:29/mi
3:05:23
↑ 181↓ 1480.2%
20M
10:51/mi
3:20:08
↑ 64↓ 500.2%
21M
11:07/mi
3:31:15
↑ 106↓ 241.6%
35K· 21.75 mi
9:43/mi
3:38:31
↑ 17↓ 861.7%
23M
10:10/mi
3:51:15
↑ 23↓ 630.6%
24M
9:45/mi
4:01:00
↓ 821.3%
40K· 24.85 mi
9:51/mi
4:09:25
↓ 200.3%
25.2M
11:50/mi
4:13:30
↑ 13↓ 160.2%
Finish· 26.22 mi
10:02/mi
4:23:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:39
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:16:04
Pace10:23 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1830:129:4330:12
9:43
-
10K
6.21 mi12:15:0559:599:3929:47
9:35
-0:08
15K
9.32 mi12:44:591:29:539:3929:54
9:37
+0:02
20K
12.43 mi13:15:572:00:519:4330:58
9:58
+0:21
Half
13.11 mi13:22:452:07:399:446:48
9:58
0:00
25K
15.53 mi13:47:552:32:499:5025:10
10:23
+0:25
30K
18.64 mi14:20:293:05:239:5732:34
10:29
+0:06
20M
20.00 mi14:35:143:20:0810:0014:45
10:51
+0:22
21M
21.00 mi14:46:213:31:1510:0411:07
11:07
+0:16
35K
21.75 mi14:53:373:38:3110:037:16
9:43
-1:24
23M
23.00 mi15:06:213:51:1510:0312:44
10:10
+0:27
24M
24.00 mi15:16:064:01:0010:039:45
9:45
-0:25
40K
24.85 mi15:24:314:09:2510:028:25
9:51
+0:06
25.2M
25.20 mi15:28:364:13:3010:044:05
11:50
+1:59
Finish
26.22 mi15:38:494:23:4310:0410:13
10:02
-1:48

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

9:35 /mi

Average Pace

10:04 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:41

23% of race

Time at Steady Pace

1:56:21

44% of race

Time at Slower Pace

1:27:41

33% of race

Average Pace: 10:03 /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 mi11:45:1830:129:4330:12
9:43
#22717
10K
6.21 mi12:15:0559:599:3929:47
9:35
#22766
15K
9.32 mi12:44:591:29:539:3929:54
9:37
#22708
20K
12.43 mi13:15:572:00:519:4330:58
9:58
#22736
Half
13.11 mi13:22:452:07:399:446:48
9:58
#22765
25K
15.53 mi13:47:552:32:499:5025:10
10:23
#22809
30K
18.64 mi14:20:293:05:239:5732:34
10:29
#22683
20M
20.00 mi14:35:143:20:0810:0014:45
10:51
#22651
21M
21.00 mi14:46:213:31:1510:0411:07
11:07
#22568
35K
21.75 mi14:53:373:38:3110:037:16
9:43
#22497
23M
23.00 mi15:06:213:51:1510:0312:44
10:10
#22371
24M
24.00 mi15:16:064:01:0010:039:45
9:45
#22292
40K
24.85 mi15:24:314:09:2510:028:25
9:51
#22197
25.2M
25.20 mi15:28:364:13:3010:044:05
11:50
#22199
Finish
26.22 mi15:38:494:23:4310:0410:13
10:02
#22181
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi227179242924222588(Top 85%)9123(Top 80%)9123(Top 1731%)
10K6.21 mi3.10 mi22766-499235+79235+722761(Top 85%)9214(Top 81%)9214(Top 1748%)
15K9.32 mi3.11 mi22708+589191+449191+4422588(Top 85%)9123(Top 80%)9123(Top 1731%)
20K12.43 mi3.11 mi22736-289206-159206-1522835(Top 86%)9260(Top 81%)9260(Top 1757%)
Half13.11 mi0.68 mi22765-299225-199225-1923215(Top 87%)9469(Top 83%)9469(Top 1797%)
25K15.53 mi2.42 mi22809-449257-329257-3222972(Top 86%)9372(Top 82%)9372(Top 1778%)
30K18.64 mi3.11 mi22683+1269223+349223+3422173(Top 83%)8995(Top 79%)8995(Top 1707%)
20M20.00 mi1.36 mi22651+329220+39220+322436(Top 84%)9217(Top 81%)9217(Top 1749%)
21M21.00 mi1.00 mi22568+839176+449176+4421075(Top 79%)8503(Top 74%)8503(Top 1613%)
35K21.75 mi0.75 mi22497+719143+339143+3320535(Top 77%)8246(Top 72%)8246(Top 1565%)
23M23.00 mi1.25 mi22371+1269082+619082+6120500(Top 77%)8233(Top 72%)8233(Top 1562%)
24M24.00 mi1.00 mi22292+799039+439039+4320089(Top 75%)8029(Top 70%)8029(Top 1524%)
40K24.85 mi0.85 mi22197+958997+428997+4219553(Top 73%)7812(Top 68%)7812(Top 1482%)
25.2M25.20 mi0.35 mi22199-29001-49001-422232(Top 84%)9252(Top 81%)9252(Top 1756%)
Finish26.22 mi1.02 mi22181+189002-19002-121840(Top 82%)9032(Top 79%)9032(Top 1714%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22588

Females

9123

F60-64

9123

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22761

Females

9214

F60-64

9214

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22588

Females

9123

F60-64

9123

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22835

Females

9260

F60-64

9260

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23215

Females

9469

F60-64

9469

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22972

Females

9372

F60-64

9372

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22173

Females

8995

F60-64

8995

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22436

Females

9217

F60-64

9217

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21075

Females

8503

F60-64

8503

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20535

Females

8246

F60-64

8246

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20500

Females

8233

F60-64

8233

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

20089

Females

8029

F60-64

8029

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19553

Females

7812

F60-64

7812

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22232

Females

9252

F60-64

9252

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21840

Females

9032

F60-64

9032

Passing Analysis

Category:
Athletes Passed
1413
Passed By
877
Net Change
+536
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22717
5K → 10K220269-49#22717#22766
10K → 15K179121+58#22766#22708
15K → 20K121149-28#22708#22736
20K → Half1140-29#22736#22765
Half → 25K73117-44#22765#22809
25K → 30K18256+126#22809#22683
30K → 20M7442+32#22683#22651
20M → 21M10219+83#22651#22568
21M → 35K721+71#22568#22497
35K → 23M1359+126#22497#22371
23M → 24M834+79#22371#22292
24M → 40K994+95#22292#22197
40K → 25.2M1315-2#22197#22199
25.2M → Finish4931+18#22199#22181
TOTALS1413877+536
📊

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