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BOSTON MARATHON 2023

Shi Han

Bib: 23363•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
8:56/mi
27:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:55/mi
55:29
↑ 79↓ 1380.4%
15K· 9.32 mi
9:00/mi
1:23:26
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:51:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:57:48
↑ 19↓ 370.5%
25K· 15.53 mi
9:25/mi
2:20:37
↑ 66↓ 880.2%
30K· 18.64 mi
9:50/mi
2:51:11
↑ 181↓ 1480.2%
20M
10:12/mi
3:05:02
↑ 64↓ 500.2%
21M
11:19/mi
3:16:21
↑ 106↓ 241.6%
35K· 21.75 mi
9:39/mi
3:23:34
↑ 17↓ 861.7%
23M
9:53/mi
3:35:56
↑ 23↓ 630.6%
24M
9:37/mi
3:45:33
↓ 821.3%
40K· 24.85 mi
9:52/mi
3:53:59
↓ 200.3%
25.2M
10:32/mi
3:57:37
↑ 13↓ 160.2%
Finish· 26.22 mi
9:46/mi
4:07:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:48
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:09:46
Pace9:54 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0627:468:5627:46
8:56
-
10K
6.21 mi11:52:4955:298:5627:43
8:55
-0:01
15K
9.32 mi12:20:461:23:268:5727:57
9:00
+0:05
20K
12.43 mi12:49:041:51:448:5928:18
9:07
+0:07
Half
13.11 mi12:55:081:57:488:596:04
8:54
-0:13
25K
15.53 mi13:17:572:20:379:0322:49
9:25
+0:31
30K
18.64 mi13:48:312:51:119:1130:34
9:50
+0:25
20M
20.00 mi14:02:223:05:029:1513:51
10:12
+0:22
21M
21.00 mi14:13:413:16:219:2111:19
11:19
+1:07
35K
21.75 mi14:20:543:23:349:227:13
9:39
-1:40
23M
23.00 mi14:33:163:35:569:2312:22
9:53
+0:14
24M
24.00 mi14:42:533:45:339:249:37
9:37
-0:16
40K
24.85 mi14:51:193:53:599:258:26
9:52
+0:15
25.2M
25.20 mi14:54:573:57:379:263:38
10:32
+0:40
Finish
26.22 mi15:04:544:07:349:279:57
9:46
-0:46

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

8:54 /mi

Average Pace

9:27 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:48

48% of race

Time at Steady Pace

1:40:58

41% of race

Time at Slower Pace

28:48

12% of race

Average Pace: 9:27 /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 mi11:25:0627:468:5627:46
8:56
#20161
10K
6.21 mi11:52:4955:298:5627:43
8:55
#20348
15K
9.32 mi12:20:461:23:268:5727:57
9:00
#20351
20K
12.43 mi12:49:041:51:448:5928:18
9:07
#20323
Half
13.11 mi12:55:081:57:488:596:04
8:54
#20307
25K
15.53 mi13:17:572:20:379:0322:49
9:25
#20370
30K
18.64 mi13:48:312:51:119:1130:34
9:50
#20396
20M
20.00 mi14:02:223:05:029:1513:51
10:12
#20442
21M
21.00 mi14:13:413:16:219:2111:19
11:19
#20511
35K
21.75 mi14:20:543:23:349:227:13
9:39
#20499
23M
23.00 mi14:33:163:35:569:2312:22
9:53
#20426
24M
24.00 mi14:42:533:45:339:249:37
9:37
#20387
40K
24.85 mi14:51:193:53:599:258:26
9:52
#20348
25.2M
25.20 mi14:54:573:57:379:263:38
10:32
#20324
Finish
26.22 mi15:04:544:07:349:279:57
9:46
#20343
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi201617918791820499(Top 77%)7956(Top 70%)7956(Top 976%)
10K6.21 mi3.10 mi20348-1877949-317949-3120531(Top 77%)7997(Top 70%)7997(Top 981%)
15K9.32 mi3.11 mi20351-37933+167933+1620499(Top 77%)7956(Top 70%)7956(Top 976%)
20K12.43 mi3.11 mi20323+287903+307903+3020187(Top 76%)7772(Top 68%)7772(Top 954%)
Half13.11 mi0.68 mi20307+167890+137890+1319993(Top 75%)7666(Top 67%)7666(Top 941%)
25K15.53 mi2.42 mi20370-637913-237913-2320556(Top 77%)8021(Top 70%)8021(Top 984%)
30K18.64 mi3.11 mi20396-267949-367949-3620567(Top 77%)8091(Top 71%)8091(Top 993%)
20M20.00 mi1.36 mi20442-467989-407989-4020987(Top 79%)8406(Top 74%)8406(Top 1031%)
21M21.00 mi1.00 mi20511-698037-488037-4821521(Top 81%)8745(Top 77%)8745(Top 1073%)
35K21.75 mi0.75 mi20499+128041-48041-420317(Top 76%)8117(Top 71%)8117(Top 996%)
23M23.00 mi1.25 mi20426+738013+288013+2819650(Top 74%)7765(Top 68%)7765(Top 953%)
24M24.00 mi1.00 mi20387+397998+157998+1519648(Top 74%)7783(Top 68%)7783(Top 955%)
40K24.85 mi0.85 mi20348+397984+147984+1419597(Top 74%)7834(Top 69%)7834(Top 961%)
25.2M25.20 mi0.35 mi20324+247978+67978+619259(Top 72%)7654(Top 67%)7654(Top 939%)
Finish26.22 mi1.02 mi20343-197995-177995-1721040(Top 79%)8581(Top 75%)8581(Top 1053%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20499

Females

7956

F55-59

7956

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20531

Females

7997

F55-59

7997

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20499

Females

7956

F55-59

7956

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20187

Females

7772

F55-59

7772

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19993

Females

7666

F55-59

7666

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20556

Females

8021

F55-59

8021

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20567

Females

8091

F55-59

8091

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20987

Females

8406

F55-59

8406

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21521

Females

8745

F55-59

8745

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20317

Females

8117

F55-59

8117

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19650

Females

7765

F55-59

7765

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19648

Females

7783

F55-59

7783

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19597

Females

7834

F55-59

7834

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19259

Females

7654

F55-59

7654

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21040

Females

8581

F55-59

8581

Passing Analysis

Category:
Athletes Passed
1296
Passed By
1478
Net Change
-182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20161
5K → 10K211398-187#20161#20348
10K → 15K177180-3#20348#20351
15K → 20K186158+28#20351#20323
20K → Half3923+16#20323#20307
Half → 25K93156-63#20307#20370
25K → 30K146172-26#20370#20396
30K → 20M59105-46#20396#20442
20M → 21M49118-69#20442#20511
21M → 35K4735+12#20511#20499
35K → 23M10330+73#20499#20426
23M → 24M6021+39#20426#20387
24M → 40K6122+39#20387#20348
40K → 25.2M339+24#20348#20324
25.2M → Finish3251-19#20324#20343
TOTALS12961478-182
📊

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