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BOSTON MARATHON 2023

Virongrong Karnsiritanont

Bib: 27843•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
9:14/mi
28:42
↑ 97↓ 3451.5%
10K· 6.21 mi
9:17/mi
57:32
↑ 79↓ 1380.4%
15K· 9.32 mi
9:37/mi
1:27:25
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
1:58:04
↑ 106↓ 860.1%
Half· 13.11 mi
9:40/mi
2:04:40
↑ 19↓ 370.5%
25K· 15.53 mi
10:00/mi
2:28:54
↑ 66↓ 880.2%
30K· 18.64 mi
10:31/mi
3:01:35
↑ 181↓ 1480.2%
20M
10:46/mi
3:16:13
↑ 64↓ 500.2%
21M
11:14/mi
3:27:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:34:41
↑ 17↓ 861.7%
23M
10:18/mi
3:47:35
↑ 23↓ 630.6%
24M
10:01/mi
3:57:36
↓ 821.3%
40K· 24.85 mi
9:52/mi
4:06:02
↓ 200.3%
25.2M
10:23/mi
4:09:37
↑ 13↓ 160.2%
Finish· 26.22 mi
9:33/mi
4:19:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:40
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:14:41
Pace10:16 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4728:429:1428:42
9:14
-
10K
6.21 mi12:14:3757:329:1628:50
9:17
+0:03
15K
9.32 mi12:44:301:27:259:2329:53
9:37
+0:20
20K
12.43 mi13:15:091:58:049:3030:39
9:52
+0:15
Half
13.11 mi13:21:452:04:409:316:36
9:40
-0:12
25K
15.53 mi13:45:592:28:549:3524:14
10:00
+0:20
30K
18.64 mi14:18:403:01:359:4432:41
10:31
+0:31
20M
20.00 mi14:33:183:16:139:4914:38
10:46
+0:15
21M
21.00 mi14:44:323:27:279:5311:14
11:14
+0:28
35K
21.75 mi14:51:463:34:419:527:14
9:40
-1:34
23M
23.00 mi15:04:403:47:359:5412:54
10:18
+0:38
24M
24.00 mi15:14:413:57:369:5410:01
10:01
-0:17
40K
24.85 mi15:23:074:06:029:548:26
9:52
-0:09
25.2M
25.20 mi15:26:424:09:379:543:35
10:23
+0:31
Finish
26.22 mi15:36:264:19:219:549:44
9:33
-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

9:14 /mi

Average Pace

9:54 /mi

Slowest Pace

11:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:16

26% of race

Time at Steady Pace

1:57:03

45% of race

Time at Slower Pace

1:15:02

29% of race

Average Pace: 9:53 /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 mi11:45:4728:429:1428:42
9:14
#21333
10K
6.21 mi12:14:3757:329:1628:50
9:17
#21604
15K
9.32 mi12:44:301:27:259:2329:53
9:37
#21928
20K
12.43 mi13:15:091:58:049:3030:39
9:52
#22104
Half
13.11 mi13:21:452:04:409:316:36
9:40
#22141
25K
15.53 mi13:45:592:28:549:3524:14
10:00
#22155
30K
18.64 mi14:18:403:01:359:4432:41
10:31
#22192
20M
20.00 mi14:33:183:16:139:4914:38
10:46
#22181
21M
21.00 mi14:44:323:27:279:5311:14
11:14
#22131
35K
21.75 mi14:51:463:34:419:527:14
9:40
#22075
23M
23.00 mi15:04:403:47:359:5412:54
10:18
#22000
24M
24.00 mi15:14:413:57:369:5410:01
10:01
#21951
40K
24.85 mi15:23:074:06:029:548:26
9:52
#21862
25.2M
25.20 mi15:26:424:09:379:543:35
10:23
#21816
Finish
26.22 mi15:36:264:19:219:549:44
9:33
#21778
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi213338545854522572(Top 85%)9111(Top 80%)9111(Top 485%)
10K6.21 mi3.10 mi21604-2718638-938638-9321878(Top 82%)8755(Top 77%)8755(Top 466%)
15K9.32 mi3.11 mi21928-3248800-1628800-16222572(Top 85%)9111(Top 80%)9111(Top 485%)
20K12.43 mi3.11 mi22104-1768886-868886-8622560(Top 85%)9116(Top 80%)9116(Top 485%)
Half13.11 mi0.68 mi22141-378909-238909-2322595(Top 85%)9126(Top 80%)9126(Top 486%)
25K15.53 mi2.42 mi22155-148914-58914-522217(Top 83%)8955(Top 78%)8955(Top 477%)
30K18.64 mi3.11 mi22192-378942-288942-2822257(Top 84%)9046(Top 79%)9046(Top 482%)
20M20.00 mi1.36 mi22181+118947-58947-522289(Top 84%)9132(Top 80%)9132(Top 486%)
21M21.00 mi1.00 mi22131+508932+158932+1521350(Top 80%)8654(Top 76%)8654(Top 461%)
35K21.75 mi0.75 mi22075+568906+268906+2620402(Top 77%)8176(Top 72%)8176(Top 435%)
23M23.00 mi1.25 mi22000+758867+398867+3920844(Top 78%)8433(Top 74%)8433(Top 449%)
24M24.00 mi1.00 mi21951+498851+168851+1620850(Top 78%)8466(Top 74%)8466(Top 451%)
40K24.85 mi0.85 mi21862+898819+328819+3219607(Top 74%)7844(Top 69%)7844(Top 418%)
25.2M25.20 mi0.35 mi21816+468799+208799+2018825(Top 71%)7429(Top 65%)7429(Top 396%)
Finish26.22 mi1.02 mi21778+388782+178782+1720318(Top 76%)8194(Top 72%)8194(Top 436%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22572

Females

9111

F40-44

9111

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21878

Females

8755

F40-44

8755

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22572

Females

9111

F40-44

9111

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22560

Females

9116

F40-44

9116

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22595

Females

9126

F40-44

9126

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22217

Females

8955

F40-44

8955

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22257

Females

9046

F40-44

9046

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22289

Females

9132

F40-44

9132

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21350

Females

8654

F40-44

8654

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20402

Females

8176

F40-44

8176

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20844

Females

8433

F40-44

8433

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20850

Females

8466

F40-44

8466

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19607

Females

7844

F40-44

7844

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18825

Females

7429

F40-44

7429

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20318

Females

8194

F40-44

8194

Passing Analysis

Category:
Athletes Passed
1085
Passed By
1530
Net Change
-445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21333
5K → 10K157428-271#21333#21604
10K → 15K65389-324#21604#21928
15K → 20K76252-176#21928#22104
20K → Half1552-37#22104#22141
Half → 25K97111-14#22141#22155
25K → 30K118155-37#22155#22192
30K → 20M6857+11#22192#22181
20M → 21M8333+50#22181#22131
21M → 35K604+56#22131#22075
35K → 23M9116+75#22075#22000
23M → 24M6516+49#22000#21951
24M → 40K912+89#21951#21862
40K → 25.2M482+46#21862#21816
25.2M → Finish5113+38#21816#21778
TOTALS10851530-445
📊

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