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BOSTON MARATHON 2023

Weihong Qian

Bib: 31911•F

NY

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
9:49/mi
30:29
↑ 97↓ 3451.5%
10K· 6.21 mi
9:56/mi
1:01:21
↑ 79↓ 1380.4%
15K· 9.32 mi
9:34/mi
1:31:04
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
2:00:52
↑ 106↓ 860.1%
Half· 13.11 mi
9:21/mi
2:07:15
↑ 19↓ 370.5%
25K· 15.53 mi
9:39/mi
2:30:39
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
3:00:34
↑ 181↓ 1480.2%
20M
9:35/mi
3:13:36
↑ 64↓ 500.2%
21M
10:07/mi
3:23:43
↑ 106↓ 241.6%
35K· 21.75 mi
9:19/mi
3:30:41
↑ 17↓ 861.7%
23M
10:24/mi
3:43:42
↑ 23↓ 630.6%
24M
9:53/mi
3:53:35
↓ 821.3%
40K· 24.85 mi
10:28/mi
4:02:32
↓ 200.3%
25.2M
10:44/mi
4:06:14
↑ 13↓ 160.2%
Finish· 26.22 mi
10:37/mi
4:17:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:15
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:09:48
Pace9:54 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0530:299:4930:29
9:49
-
10K
6.21 mi12:25:571:01:219:5230:52
9:56
+0:07
15K
9.32 mi12:55:401:31:049:4629:43
9:34
-0:22
20K
12.43 mi13:25:282:00:529:4429:48
9:36
+0:02
Half
13.11 mi13:31:512:07:159:426:23
9:21
-0:15
25K
15.53 mi13:55:152:30:399:4223:24
9:39
+0:18
30K
18.64 mi14:25:103:00:349:4129:55
9:38
-0:01
20M
20.00 mi14:38:123:13:369:4113:02
9:35
-0:03
21M
21.00 mi14:48:193:23:439:4210:07
10:07
+0:32
35K
21.75 mi14:55:173:30:419:416:58
9:19
-0:48
23M
23.00 mi15:08:183:43:429:4413:01
10:24
+1:05
24M
24.00 mi15:18:113:53:359:449:53
9:53
-0:31
40K
24.85 mi15:27:084:02:329:458:57
10:28
+0:35
25.2M
25.20 mi15:30:504:06:149:463:42
10:44
+0:16
Finish
26.22 mi15:41:394:17:039:4910:49
10:37
-0:07

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

9:19 /mi

Average Pace

9:49 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:40:34

86% of race

Time at Steady Pace

36:29

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:48 /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 mi11:55:0530:299:4930:29
9:49
#22955
10K
6.21 mi12:25:571:01:219:5230:52
9:56
#23335
15K
9.32 mi12:55:401:31:049:4629:43
9:34
#23074
20K
12.43 mi13:25:282:00:529:4429:48
9:36
#22739
Half
13.11 mi13:31:512:07:159:426:23
9:21
#22699
25K
15.53 mi13:55:152:30:399:4223:24
9:39
#22470
30K
18.64 mi14:25:103:00:349:4129:55
9:38
#22020
20M
20.00 mi14:38:123:13:369:4113:02
9:35
#21812
21M
21.00 mi14:48:193:23:439:4210:07
10:07
#21647
35K
21.75 mi14:55:173:30:419:416:58
9:19
#21564
23M
23.00 mi15:08:183:43:429:4413:01
10:24
#21538
24M
24.00 mi15:18:113:53:359:449:53
9:53
#21488
40K
24.85 mi15:27:084:02:329:458:57
10:28
#21472
25.2M
25.20 mi15:30:504:06:149:463:42
10:44
#21445
Finish
26.22 mi15:41:394:17:039:4910:49
10:37
#21527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi229559365936522435(Top 84%)9029(Top 79%)9029(Top 748%)
10K6.21 mi3.10 mi23335-3809541-1769541-17623571(Top 89%)9665(Top 85%)9665(Top 801%)
15K9.32 mi3.11 mi23074+2619391+1509391+15022435(Top 84%)9029(Top 79%)9029(Top 748%)
20K12.43 mi3.11 mi22739+3359207+1849207+18421833(Top 82%)8702(Top 76%)8702(Top 721%)
Half13.11 mi0.68 mi22699+409192+159192+1521712(Top 82%)8637(Top 76%)8637(Top 716%)
25K15.53 mi2.42 mi22470+2299092+1009092+10021310(Top 80%)8446(Top 74%)8446(Top 700%)
30K18.64 mi3.11 mi22020+4508845+2478845+24719909(Top 75%)7716(Top 68%)7716(Top 639%)
20M20.00 mi1.36 mi21812+2088740+1058740+10519214(Top 72%)7411(Top 65%)7411(Top 614%)
21M21.00 mi1.00 mi21647+1658654+868654+8618480(Top 69%)7048(Top 62%)7048(Top 584%)
35K21.75 mi0.75 mi21564+838618+368618+3619249(Top 72%)7532(Top 66%)7532(Top 624%)
23M23.00 mi1.25 mi21538+268620-28620-221067(Top 79%)8562(Top 75%)8562(Top 709%)
24M24.00 mi1.00 mi21488+508606+148606+1420480(Top 77%)8254(Top 72%)8254(Top 684%)
40K24.85 mi0.85 mi21472+168611-58611-521146(Top 79%)8693(Top 76%)8693(Top 720%)
25.2M25.20 mi0.35 mi21445+278600+118600+1119835(Top 75%)7976(Top 70%)7976(Top 661%)
Finish26.22 mi1.02 mi21527-828652-528652-5223246(Top 87%)9770(Top 86%)9770(Top 809%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22435

Females

9029

F50-54

9029

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23571

Females

9665

F50-54

9665

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22435

Females

9029

F50-54

9029

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21833

Females

8702

F50-54

8702

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21712

Females

8637

F50-54

8637

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21310

Females

8446

F50-54

8446

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19909

Females

7716

F50-54

7716

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19214

Females

7411

F50-54

7411

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18480

Females

7048

F50-54

7048

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19249

Females

7532

F50-54

7532

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21067

Females

8562

F50-54

8562

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20480

Females

8254

F50-54

8254

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21146

Females

8693

F50-54

8693

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19835

Females

7976

F50-54

7976

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23246

Females

9770

F50-54

9770

Passing Analysis

Category:
Athletes Passed
2181
Passed By
753
Net Change
+1428
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22955
5K → 10K78458-380#22955#23335
10K → 15K30544+261#23335#23074
15K → 20K34611+335#23074#22739
20K → Half444+40#22739#22699
Half → 25K24112+229#22699#22470
25K → 30K4522+450#22470#22020
30K → 20M2124+208#22020#21812
20M → 21M1683+165#21812#21647
21M → 35K885+83#21647#21564
35K → 23M7549+26#21564#21538
23M → 24M7020+50#21538#21488
24M → 40K4933+16#21488#21472
40K → 25.2M347+27#21472#21445
25.2M → Finish19101-82#21445#21527
TOTALS2181753+1428
📊

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