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BOSTON MARATHON 2023

Yawei Sun

Bib: 19546•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Masters (Masters Women)
#0 / 6539
Top 36%
Division (F60-64)
#0 / 527
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:59
Rank: #14322
Start → 5K
8:02/mi
24:59 split
10K· 6.21 mi
50:08
Rank: #14898 (-576)
5K → 10K
8:06/mi
25:09 split
15K· 9.32 mi
1:15:11
Rank: #14871 (+27)
10K → 15K
8:04/mi
25:03 split
20K· 12.43 mi
1:41:03
Rank: #15107 (-236)
15K → 20K
8:20/mi
25:52 split
Half· 13.11 mi
1:46:46
Rank: #15207 (-100)
20K → Half
8:23/mi
5:43 split
25K· 15.53 mi
2:07:01
Rank: #15187 (+20)
Half → 25K
8:21/mi
20:15 split
30K· 18.64 mi
2:34:00
Rank: #15205 (-18)
25K → 30K
8:41/mi
26:59 split
20M
2:46:17
Rank: #15326 (-121)
30K → 20M
9:02/mi
12:17 split
21M
2:56:48
Rank: #15657 (-331)
20M → 21M
10:31/mi
10:31 split
35K· 21.75 mi
3:03:30
Rank: #15733 (-76)
21M → 35K
8:57/mi
6:42 split
23M
3:14:41
Rank: #15708 (+25)
35K → 23M
8:56/mi
11:11 split
24M
3:23:13
Rank: #15656 (+52)
23M → 24M
8:32/mi
8:32 split
40K· 24.85 mi
3:30:39
Rank: #15620 (+36)
24M → 40K
8:42/mi
7:26 split
25.2M
3:34:34
Rank: #15774 (-154)
40K → 25.2M
11:21/mi
3:55 split
Finish· 26.22 mi
3:43:26
Rank: #15784 (-10)
25.2M → Finish
8:42/mi
8:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:46
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:56:40
Pace8:54 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0524:598:0224:59
8:02
-
10K
6.21 mi11:48:1450:088:0425:09
8:06
+0:04
15K
9.32 mi12:13:171:15:118:0425:03
8:04
-0:02
20K
12.43 mi12:39:091:41:038:0825:52
8:20
+0:16
Half
13.11 mi12:44:521:46:468:095:43
8:23
+0:03
25K
15.53 mi13:05:072:07:018:1120:15
8:21
-0:02
30K
18.64 mi13:32:062:34:008:1626:59
8:41
+0:20
20M
20.00 mi13:44:232:46:178:1912:17
9:02
+0:21
21M
21.00 mi13:54:542:56:488:2510:31
10:31
+1:29
35K
21.75 mi14:01:363:03:308:266:42
8:57
-1:34
23M
23.00 mi14:12:473:14:418:2811:11
8:56
-0:01
24M
24.00 mi14:21:193:23:138:288:32
8:32
-0:24
40K
24.85 mi14:28:453:30:398:297:26
8:42
+0:10
25.2M
25.20 mi14:32:403:34:348:313:55
11:21
+2:39
Finish
26.22 mi14:41:323:43:268:328:52
8:42
-2:39

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

8:02 /mi

Average Pace

8:32 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:11

34% of race

Time at Steady Pace

2:13:49

60% of race

Time at Slower Pace

14:26

6% of race

Average Pace: 8:31 /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 mi11:23:0524:598:0224:59
8:02
#14322
10K
6.21 mi11:48:1450:088:0425:09
8:06
#14898
15K
9.32 mi12:13:171:15:118:0425:03
8:04
#14871
20K
12.43 mi12:39:091:41:038:0825:52
8:20
#15107
Half
13.11 mi12:44:521:46:468:095:43
8:23
#15207
25K
15.53 mi13:05:072:07:018:1120:15
8:21
#15187
30K
18.64 mi13:32:062:34:008:1626:59
8:41
#15205
20M
20.00 mi13:44:232:46:178:1912:17
9:02
#15326
21M
21.00 mi13:54:542:56:488:2510:31
10:31
#15657
35K
21.75 mi14:01:363:03:308:266:42
8:57
#15733
23M
23.00 mi14:12:473:14:418:2811:11
8:56
#15708
24M
24.00 mi14:21:193:23:138:288:32
8:32
#15656
40K
24.85 mi14:28:453:30:398:297:26
8:42
#15620
25.2M
25.20 mi14:32:403:34:348:313:55
11:21
#15774
Finish
26.22 mi14:41:323:43:268:328:52
8:42
#15784
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi143224223422314929(Top 56%)4642(Top 41%)4642(Top 881%)
10K6.21 mi3.10 mi14898-5764593-3704593-37015499(Top 58%)4962(Top 43%)4962(Top 942%)
15K9.32 mi3.11 mi14871+274581+124581+1214929(Top 56%)4642(Top 41%)4642(Top 881%)
20K12.43 mi3.11 mi15107-2364754-1734754-17315780(Top 59%)5215(Top 46%)5215(Top 990%)
Half13.11 mi0.68 mi15207-1004815-614815-6117025(Top 64%)5904(Top 52%)5904(Top 1120%)
25K15.53 mi2.42 mi15187+204831-164831-1615296(Top 57%)5020(Top 44%)5020(Top 953%)
30K18.64 mi3.11 mi15205-184889-584889-5815441(Top 58%)5191(Top 45%)5191(Top 985%)
20M20.00 mi1.36 mi15326-1214980-914980-9116750(Top 63%)6001(Top 53%)6001(Top 1139%)
21M21.00 mi1.00 mi15657-3315217-2375217-23719643(Top 74%)7724(Top 68%)7724(Top 1466%)
35K21.75 mi0.75 mi15733-765273-565273-5617729(Top 67%)6677(Top 58%)6677(Top 1267%)
23M23.00 mi1.25 mi15708+255289-165289-1615709(Top 59%)5578(Top 49%)5578(Top 1058%)
24M24.00 mi1.00 mi15656+525275+145275+1414702(Top 55%)5070(Top 44%)5070(Top 962%)
40K24.85 mi0.85 mi15620+365257+185257+1814503(Top 54%)5033(Top 44%)5033(Top 955%)
25.2M25.20 mi0.35 mi15774-1545352-955352-9521253(Top 80%)8716(Top 76%)8716(Top 1654%)
Finish26.22 mi1.02 mi15784-105366-145366-1416510(Top 62%)6101(Top 53%)6101(Top 1158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14929

Females

4642

F60-64

4642

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15499

Females

4962

F60-64

4962

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14929

Females

4642

F60-64

4642

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15780

Females

5215

F60-64

5215

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17025

Females

5904

F60-64

5904

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15296

Females

5020

F60-64

5020

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15441

Females

5191

F60-64

5191

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16750

Females

6001

F60-64

6001

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19643

Females

7724

F60-64

7724

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17729

Females

6677

F60-64

6677

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15709

Females

5578

F60-64

5578

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14702

Females

5070

F60-64

5070

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14503

Females

5033

F60-64

5033

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21253

Females

8716

F60-64

8716

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16510

Females

6101

F60-64

6101

Passing Analysis

Category:
Athletes Passed
1187
Passed By
2649
Net Change
-1462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14322
5K → 10K102678-576#14322#14898
10K → 15K204177+27#14898#14871
15K → 20K117353-236#14871#15107
20K → Half17117-100#15107#15207
Half → 25K144124+20#15207#15187
25K → 30K181199-18#15187#15205
30K → 20M47168-121#15205#15326
20M → 21M26357-331#15326#15657
21M → 35K26102-76#15657#15733
35K → 23M8863+25#15733#15708
23M → 24M9543+52#15708#15656
24M → 40K8044+36#15656#15620
40K → 25.2M7161-154#15620#15774
25.2M → Finish5363-10#15774#15784
TOTALS11872649-1462
📊

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