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BOSTON MARATHON 2025

Chunhua Liu

WA

Bib: 6372 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Masters (Masters Women)
#0 / 6759
Top 3%
Division (F55-59)
#0 / 994
Top 0.5%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:59/mi
21:41
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:07/mi
43:48
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:12/mi
1:06:09
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:24/mi
1:29:08
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:05/mi
1:33:58
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:14/mi
1:51:31
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:37/mi
2:15:10
↑ 181↓ 1480.2%
138 ft elev
20M
7:38/mi
2:25:32
↑ 64↓ 500.2%
148 ft elev
21M
8:16/mi
2:33:48
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:06/mi
2:39:07
↑ 17↓ 861.7%
156 ft elev
23M
7:33/mi
2:48:34
↑ 23↓ 630.6%
116 ft elev
24M
7:09/mi
2:55:43
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:17/mi
3:01:57
↓ 200.3%
20 ft elev
25.2M
8:13/mi
3:04:47
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:16/mi
3:12:11
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:33:587:10 /mi⚡ faster
2nd Half
1:38:137:30 /mi+4.5%
Positive split — 4.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:416:593.11 mi21:41
6:59
-
10K
43:487:033.10 mi22:07
7:07
+0:08
15K
1:06:097:063.11 mi22:21
7:12
+0:05
20K
1:29:087:103.11 mi22:59
7:24
+0:12
Half(13.11 mi)
1:33:587:100.68 mi4:50
7:05
-0:19
25K
1:51:317:112.42 mi17:33
7:14
+0:09
30K
2:15:107:153.11 mi23:39
7:37
+0:23
20M
2:25:327:171.36 mi10:22
7:38
+0:01
21M
2:33:487:191.00 mi8:16
8:16
+0:38
35K
2:39:077:190.75 mi5:19
7:06
-1:10
23M
2:48:347:201.25 mi9:27
7:33
+0:27
24M
2:55:437:191.00 mi7:09
7:09
-0:24
40K
3:01:577:190.85 mi6:14
7:17
+0:08
25.2M
3:04:477:200.35 mi2:50
8:13
+0:56
Finish(26.22 mi)
3:12:117:201.02 mi7:24
7:16
-0:57
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:59 /mi

Average Pace

7:20 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:01:05

94% of race

Time at Steady Pace

2:50

1% of race

Time at Slower Pace

8:16

4% of race

Average Pace: 7:20 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi7674878878907714581458
10K3.10 mi8253-5791090-2121090-212884013131313
15K3.11 mi8454-2011181-911181-91907714581458
20K3.11 mi8745-2911315-1341315-134989619061906
Half(13.11 mi)0.68 mi8690+551297+181297+18823711751175
25K2.42 mi8504+1861244+531244+53791711851185
30K3.11 mi8437+671275-311275-31853616091609
20M1.36 mi8354+831270+51270+5791015021502
21M1.00 mi8331+231298-281298-28902221652165
35K0.75 mi8195+1361264+341264+346070949949
23M1.25 mi8055+1401265-11265-1692113591359
24M1.00 mi7896+1591242+231242+235550908908
40K0.85 mi7749+1471218+241218+245643994994
25.2M0.35 mi7710+391219-11219-1719817141714
Finish(26.22 mi)1.02 mi7659+511229-101229-10752118571857

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9077

Females

1458

F55-59

1458

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8840

Females

1313

F55-59

1313

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9077

Females

1458

F55-59

1458

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9896

Females

1906

F55-59

1906

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8237

Females

1175

F55-59

1175

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7917

Females

1185

F55-59

1185

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8536

Females

1609

F55-59

1609

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7910

Females

1502

F55-59

1502

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9022

Females

2165

F55-59

2165

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

6070

Females

949

F55-59

949

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6921

Females

1359

F55-59

1359

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5550

Females

908

F55-59

908

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5643

Females

994

F55-59

994

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7198

Females

1714

F55-59

1714

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7521

Females

1857

F55-59

1857

Passing Analysis

Category:
Passed
1783
Passed By
1768
Net Change
+15
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7674
5K → 10K50629-579#7674#8253
10K → 15K93294-201#8253#8454
15K → 20K89380-291#8454#8745
20K → Half627+55#8745#8690
Half → 25K22943+186#8690#8504
25K → 30K239172+67#8504#8437
30K → 20M14158+83#8437#8354
20M → 21M9875+23#8354#8331
21M → 35K1448+136#8331#8195
35K → 23M17737+140#8195#8055
23M → 24M1656+159#8055#7896
24M → 40K1536+147#7896#7749
40K → 25.2M5213+39#7749#7710
25.2M → Finish9140+51#7710#7659
TOTALS17831768+15

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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