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BOSTON MARATHON 2023

Bixia Chen

Bib: 16140•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F40-44)
#0 / 1878
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #13221
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
48:41
Rank: #13031 (+190)
5K → 10K
24:09 | 7:46/mi
15K· 9.32 mi
1:13:15
Rank: #13218 (-187)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:38:07
Rank: #13279 (-61)
15K → 20K
24:52 | 8:00/mi
Half· 13.11 mi
1:43:28
Rank: #13256 (+23)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:03:01
Rank: #13222 (+34)
Half → 25K
19:33 | 8:04/mi
30K· 18.64 mi
2:29:02
Rank: #13265 (-43)
25K → 30K
26:01 | 8:22/mi
20M
2:40:40
Rank: #13299 (-34)
30K → 20M
11:38 | 8:34/mi
21M
2:50:03
Rank: #13442 (-143)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
2:56:29
Rank: #13526 (-84)
21M → 35K
6:26 | 8:36/mi
23M
3:07:32
Rank: #13619 (-93)
35K → 23M
11:03 | 8:50/mi
24M
3:15:53
Rank: #13603 (+16)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:23:12
Rank: #13588 (+15)
24M → 40K
7:19 | 8:33/mi
25.2M
3:26:25
Rank: #13589 (-1)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:34:54
Rank: #13607 (-18)
25.2M → Finish
8:29 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:28
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:51:26
Pace8:30 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5024:327:5424:32
7:54
-
10K
6.21 mi11:38:5948:417:5024:09
7:46
-0:08
15K
9.32 mi12:03:331:13:157:5224:34
7:54
+0:08
20K
12.43 mi12:28:251:38:077:5424:52
8:00
+0:06
Half
13.11 mi12:33:461:43:287:545:21
7:50
-0:10
25K
15.53 mi12:53:192:03:017:5519:33
8:04
+0:14
30K
18.64 mi13:19:202:29:028:0026:01
8:22
+0:18
20M
20.00 mi13:30:582:40:408:0211:38
8:34
+0:12
21M
21.00 mi13:40:212:50:038:069:23
9:23
+0:49
35K
21.75 mi13:46:472:56:298:076:26
8:36
-0:47
23M
23.00 mi13:57:503:07:328:0911:03
8:50
+0:14
24M
24.00 mi14:06:113:15:538:108:21
8:21
-0:29
40K
24.85 mi14:13:303:23:128:117:19
8:33
+0:12
25.2M
25.20 mi14:16:433:26:258:113:13
9:20
+0:47
Finish
26.22 mi14:25:123:34:548:128:29
8:19
-1:01

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

7:46 /mi

Average Pace

8:12 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:01

57% of race

Time at Steady Pace

1:01:48

29% of race

Time at Slower Pace

30:05

14% of race

Average Pace: 8:12 /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 mi11:14:5024:327:5424:32
7:54
#13221
10K
6.21 mi11:38:5948:417:5024:09
7:46
#13031
15K
9.32 mi12:03:331:13:157:5224:34
7:54
#13218
20K
12.43 mi12:28:251:38:077:5424:52
8:00
#13279
Half
13.11 mi12:33:461:43:287:545:21
7:50
#13256
25K
15.53 mi12:53:192:03:017:5519:33
8:04
#13222
30K
18.64 mi13:19:202:29:028:0026:01
8:22
#13265
20M
20.00 mi13:30:582:40:408:0211:38
8:34
#13299
21M
21.00 mi13:40:212:50:038:069:23
9:23
#13442
35K
21.75 mi13:46:472:56:298:076:26
8:36
#13526
23M
23.00 mi13:57:503:07:328:0911:03
8:50
#13619
24M
24.00 mi14:06:113:15:538:108:21
8:21
#13603
40K
24.85 mi14:13:303:23:128:117:19
8:33
#13588
25.2M
25.20 mi14:16:433:26:258:113:13
9:20
#13589
Finish
26.22 mi14:25:123:34:548:128:29
8:19
#13607
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi132213565356513640(Top 51%)3864(Top 34%)3864(Top 206%)
10K6.21 mi3.10 mi13031+1903463+1023463+10212907(Top 48%)3380(Top 30%)3380(Top 180%)
15K9.32 mi3.11 mi13218-1873588-1253588-12513640(Top 51%)3864(Top 34%)3864(Top 206%)
20K12.43 mi3.11 mi13279-613646-583646-5813483(Top 51%)3816(Top 33%)3816(Top 203%)
Half13.11 mi0.68 mi13256+233639+73639+713184(Top 50%)3618(Top 32%)3618(Top 193%)
25K15.53 mi2.42 mi13222+343631+83631+813273(Top 50%)3794(Top 33%)3794(Top 202%)
30K18.64 mi3.11 mi13265-433706-753706-7513527(Top 51%)4041(Top 35%)4041(Top 215%)
20M20.00 mi1.36 mi13299-343735-293735-2914011(Top 53%)4411(Top 39%)4411(Top 235%)
21M21.00 mi1.00 mi13442-1433841-1063841-10615404(Top 58%)5281(Top 46%)5281(Top 281%)
35K21.75 mi0.75 mi13526-843900-593900-5915862(Top 60%)5597(Top 49%)5597(Top 298%)
23M23.00 mi1.25 mi13619-933983-833983-8315133(Top 57%)5250(Top 46%)5250(Top 280%)
24M24.00 mi1.00 mi13603+164002-194002-1913552(Top 51%)4421(Top 39%)4421(Top 235%)
40K24.85 mi0.85 mi13588+154014-124014-1213720(Top 52%)4587(Top 40%)4587(Top 244%)
25.2M25.20 mi0.35 mi13589-14022-84022-814356(Top 54%)4926(Top 43%)4926(Top 262%)
Finish26.22 mi1.02 mi13607-184051-294051-2914270(Top 54%)4882(Top 43%)4882(Top 260%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13640

Females

3864

F40-44

3864

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12907

Females

3380

F40-44

3380

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13640

Females

3864

F40-44

3864

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13483

Females

3816

F40-44

3816

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13184

Females

3618

F40-44

3618

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13273

Females

3794

F40-44

3794

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13527

Females

4041

F40-44

4041

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14011

Females

4411

F40-44

4411

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15404

Females

5281

F40-44

5281

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15862

Females

5597

F40-44

5597

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15133

Females

5250

F40-44

5250

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13552

Females

4421

F40-44

4421

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13720

Females

4587

F40-44

4587

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14356

Females

4926

F40-44

4926

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14270

Females

4882

F40-44

4882

Passing Analysis

Category:
Athletes Passed
1565
Passed By
1951
Net Change
-386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13221
5K → 10K413223+190#13221#13031
10K → 15K144331-187#13031#13218
15K → 20K170231-61#13218#13279
20K → Half4118+23#13279#13256
Half → 25K161127+34#13256#13222
25K → 30K178221-43#13222#13265
30K → 20M78112-34#13265#13299
20M → 21M46189-143#13299#13442
21M → 35K31115-84#13442#13526
35K → 23M59152-93#13526#13619
23M → 24M7761+16#13619#13603
24M → 40K7358+15#13603#13588
40K → 25.2M2627-1#13588#13589
25.2M → Finish6886-18#13589#13607
TOTALS15651951-386
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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