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BOSTON MARATHON 2025

Shuqing Liu

Bib: 21975•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Masters (Masters Women)
#0 / 6759
Top 15%
Division (F55-59)
#0 / 994
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
8:22/mi
26:00
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
50:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:15:36
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:39:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:45:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:04:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:29:03
↑ 181↓ 1480.2%
20M
8:08/mi
2:40:06
↑ 64↓ 500.2%
21M
8:20/mi
2:48:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:54:13
↑ 17↓ 861.7%
23M
7:54/mi
3:04:07
↑ 23↓ 630.6%
24M
7:43/mi
3:11:50
↓ 821.3%
40K· 24.85 mi
7:37/mi
3:18:21
↓ 200.3%
25.2M
8:19/mi
3:21:13
↑ 13↓ 160.2%
Finish· 26.22 mi
7:14/mi
3:28:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:02
Pace8:01 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:5026:008:2226:00
8:22
-
10K
6.21 mi11:50:4950:598:1224:59
8:02
-0:20
15K
9.32 mi12:15:261:15:368:0724:37
7:55
-0:07
20K
12.43 mi12:39:421:39:528:0224:16
7:49
-0:06
Half
13.11 mi12:44:521:45:028:015:10
7:34
-0:15
25K
15.53 mi13:03:582:04:087:5919:06
7:53
+0:19
30K
18.64 mi13:28:532:29:038:0024:55
8:01
+0:08
20M
20.00 mi13:39:562:40:068:0011:03
8:08
+0:07
21M
21.00 mi13:48:162:48:268:018:20
8:20
+0:12
35K
21.75 mi13:54:032:54:138:015:47
7:44
-0:36
23M
23.00 mi14:03:573:04:078:009:54
7:54
+0:10
24M
24.00 mi14:11:403:11:508:007:43
7:43
-0:11
40K
24.85 mi14:18:113:18:217:596:31
7:37
-0:06
25.2M
25.20 mi14:21:033:21:137:592:52
8:19
+0:42
Finish
26.22 mi14:28:253:28:357:587:22
7:14
-1:05

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

7:14 /mi

Average Pace

7:58 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:26

53% of race

Time at Steady Pace

1:38:09

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:25:5026:008:2226:00
8:22
#19125
10K
6.21 mi11:50:4950:598:1224:59
8:02
#18016
15K
9.32 mi12:15:261:15:368:0724:37
7:55
#17160
20K
12.43 mi12:39:421:39:528:0224:16
7:49
#16213
Half
13.11 mi12:44:521:45:028:015:10
7:34
#16021
25K
15.53 mi13:03:582:04:087:5919:06
7:53
#15473
30K
18.64 mi13:28:532:29:038:0024:55
8:01
#14700
20M
20.00 mi13:39:562:40:068:0011:03
8:08
#14365
21M
21.00 mi13:48:162:48:268:018:20
8:20
#14003
35K
21.75 mi13:54:032:54:138:015:47
7:44
#13848
23M
23.00 mi14:03:573:04:078:009:54
7:54
#13568
24M
24.00 mi14:11:403:11:508:007:43
7:43
#13349
40K
24.85 mi14:18:113:18:217:596:31
7:37
#13115
25.2M
25.20 mi14:21:033:21:137:592:52
8:19
#13032
Finish
26.22 mi14:28:253:28:357:587:22
7:14
#12782
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi191256974697415420(Top 54%)4814(Top 39%)4814(Top 484%)
10K6.21 mi3.10 mi18016+11096336+6386336+63816779(Top 59%)5574(Top 46%)5574(Top 561%)
15K9.32 mi3.11 mi17160+8565805+5315805+53115420(Top 54%)4814(Top 39%)4814(Top 484%)
20K12.43 mi3.11 mi16213+9475280+5255280+52513370(Top 47%)3745(Top 31%)3745(Top 377%)
Half13.11 mi0.68 mi16021+1925163+1175163+11712430(Top 44%)3197(Top 26%)3197(Top 322%)
25K15.53 mi2.42 mi15473+5484871+2924871+29212967(Top 46%)3650(Top 30%)3650(Top 367%)
30K18.64 mi3.11 mi14700+7734504+3674504+36711556(Top 41%)3071(Top 25%)3071(Top 309%)
20M20.00 mi1.36 mi14365+3354338+1664338+16611372(Top 40%)3126(Top 26%)3126(Top 314%)
21M21.00 mi1.00 mi14003+3624168+1704168+1709477(Top 33%)2373(Top 19%)2373(Top 239%)
35K21.75 mi0.75 mi13848+1554104+644104+6410371(Top 37%)2796(Top 23%)2796(Top 281%)
23M23.00 mi1.25 mi13568+2803992+1123992+1129391(Top 33%)2458(Top 20%)2458(Top 247%)
24M24.00 mi1.00 mi13349+2193891+1013891+1019273(Top 33%)2471(Top 20%)2471(Top 249%)
40K24.85 mi0.85 mi13115+2343792+993792+997628(Top 27%)1833(Top 15%)1833(Top 184%)
25.2M25.20 mi0.35 mi13032+833755+373755+377825(Top 28%)2014(Top 16%)2014(Top 203%)
Finish26.22 mi1.02 mi12782+2503641+1143641+1147285(Top 26%)1784(Top 15%)1784(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15420

Females

4814

F55-59

4814

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16779

Females

5574

F55-59

5574

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15420

Females

4814

F55-59

4814

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13370

Females

3745

F55-59

3745

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12430

Females

3197

F55-59

3197

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12967

Females

3650

F55-59

3650

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11556

Females

3071

F55-59

3071

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11372

Females

3126

F55-59

3126

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9477

Females

2373

F55-59

2373

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10371

Females

2796

F55-59

2796

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9391

Females

2458

F55-59

2458

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9273

Females

2471

F55-59

2471

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7628

Females

1833

F55-59

1833

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7825

Females

2014

F55-59

2014

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7285

Females

1784

F55-59

1784

Passing Analysis

Category:
Athletes Passed
6433
Passed By
90
Net Change
+6343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19125
5K → 10K113829+1109#19125#18016
10K → 15K86812+856#18016#17160
15K → 20K9492+947#17160#16213
20K → Half1920+192#16213#16021
Half → 25K5513+548#16021#15473
25K → 30K7807+773#15473#14700
30K → 20M3405+335#14700#14365
20M → 21M3653+362#14365#14003
21M → 35K1605+155#14003#13848
35K → 23M2855+280#13848#13568
23M → 24M2278+219#13568#13349
24M → 40K2384+234#13349#13115
40K → 25.2M852+83#13115#13032
25.2M → Finish2555+250#13032#12782
TOTALS643390+6343
📊

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