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BOSTON MARATHON 2025

Hong Liang

Bib: 24921•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
9:45/mi
30:16
↑ 97↓ 3451.5%
10K· 6.21 mi
9:26/mi
59:34
↑ 79↓ 1380.4%
15K· 9.32 mi
9:21/mi
1:28:36
↑ 67↓ 78
20K· 12.43 mi
9:20/mi
1:57:35
↑ 106↓ 860.1%
Half· 13.11 mi
9:35/mi
2:04:07
↑ 19↓ 370.5%
25K· 15.53 mi
9:35/mi
2:27:22
↑ 66↓ 880.2%
30K· 18.64 mi
9:49/mi
2:57:52
↑ 181↓ 1480.2%
20M
9:49/mi
3:11:13
↑ 64↓ 500.2%
21M
9:41/mi
3:20:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
3:27:18
↑ 17↓ 861.7%
23M
9:20/mi
3:38:59
↑ 23↓ 630.6%
24M
9:07/mi
3:48:06
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:55:54
↓ 200.3%
25.2M
10:12/mi
3:59:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
4:08:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:04:07
Pace9:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:04:25
Pace9:29 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1130:169:4530:16
9:45
-
10K
6.21 mi11:54:2959:349:3529:18
9:26
-0:19
15K
9.32 mi12:23:311:28:369:3029:02
9:21
-0:05
20K
12.43 mi12:52:301:57:359:2828:59
9:20
-0:01
Half
13.11 mi12:59:022:04:079:286:32
9:35
+0:15
25K
15.53 mi13:22:172:27:229:2923:15
9:35
0:00
30K
18.64 mi13:52:472:57:529:3330:30
9:49
+0:14
20M
20.00 mi14:06:083:11:139:3413:21
9:49
0:00
21M
21.00 mi14:15:493:20:549:349:41
9:41
-0:08
35K
21.75 mi14:22:133:27:189:326:24
8:33
-1:08
23M
23.00 mi14:33:543:38:599:3111:41
9:20
+0:47
24M
24.00 mi14:43:013:48:069:309:07
9:07
-0:13
40K
24.85 mi14:50:493:55:549:297:48
9:07
0:00
25.2M
25.20 mi14:54:203:59:259:303:31
10:12
+1:05
Finish
26.22 mi15:03:274:08:329:299:07
8:57
-1:15

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

8:33 /mi

Average Pace

9:29 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:08

41% of race

Time at Steady Pace

2:22:53

57% of race

Time at Slower Pace

3:31

1% of race

Average Pace: 9:29 /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 mi11:25:1130:169:4530:16
9:45
#24954
10K
6.21 mi11:54:2959:349:3529:18
9:26
#24420
15K
9.32 mi12:23:311:28:369:3029:02
9:21
#24054
20K
12.43 mi12:52:301:57:359:2828:59
9:20
#23646
Half
13.11 mi12:59:022:04:079:286:32
9:35
#23653
25K
15.53 mi13:22:172:27:229:2923:15
9:35
#23380
30K
18.64 mi13:52:472:57:529:3330:30
9:49
#22926
20M
20.00 mi14:06:083:11:139:3413:21
9:49
#22754
21M
21.00 mi14:15:493:20:549:349:41
9:41
#22465
35K
21.75 mi14:22:133:27:189:326:24
8:33
#22279
23M
23.00 mi14:33:543:38:599:3111:41
9:20
#22029
24M
24.00 mi14:43:013:48:069:309:07
9:07
#21872
40K
24.85 mi14:50:493:55:549:297:48
9:07
#21717
25.2M
25.20 mi14:54:203:59:259:303:31
10:12
#21650
Finish
26.22 mi15:03:274:08:329:299:07
8:57
#21551
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi24954101851018523338(Top 82%)9283(Top 76%)9283(Top 934%)
10K6.21 mi3.10 mi24420+5349906+2799906+27923923(Top 84%)9636(Top 79%)9636(Top 969%)
15K9.32 mi3.11 mi24054+3669706+2009706+20023338(Top 82%)9283(Top 76%)9283(Top 934%)
20K12.43 mi3.11 mi23646+4089481+2259481+22522363(Top 79%)8786(Top 72%)8786(Top 884%)
Half13.11 mi0.68 mi23653-79492-119492-1123794(Top 84%)9581(Top 78%)9581(Top 964%)
25K15.53 mi2.42 mi23380+2739348+1449348+14422156(Top 78%)8735(Top 71%)8735(Top 879%)
30K18.64 mi3.11 mi22926+4549141+2079141+20721053(Top 74%)8258(Top 68%)8258(Top 831%)
20M20.00 mi1.36 mi22754+1729074+679074+6720351(Top 72%)7996(Top 65%)7996(Top 804%)
21M21.00 mi1.00 mi22465+2898927+1478927+14716991(Top 60%)6262(Top 51%)6262(Top 630%)
35K21.75 mi0.75 mi22279+1868833+948833+9415871(Top 56%)5728(Top 47%)5728(Top 576%)
23M23.00 mi1.25 mi22029+2508735+988735+9817962(Top 63%)6977(Top 57%)6977(Top 702%)
24M24.00 mi1.00 mi21872+1578669+668669+6617998(Top 63%)7045(Top 58%)7045(Top 709%)
40K24.85 mi0.85 mi21717+1558608+618608+6117032(Top 60%)6615(Top 54%)6615(Top 665%)
25.2M25.20 mi0.35 mi21650+678576+328576+3217966(Top 63%)7144(Top 58%)7144(Top 719%)
Finish26.22 mi1.02 mi21551+998528+488528+4818798(Top 66%)7494(Top 61%)7494(Top 754%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23338

Females

9283

F55-59

9283

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23923

Females

9636

F55-59

9636

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23338

Females

9283

F55-59

9283

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22363

Females

8786

F55-59

8786

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23794

Females

9581

F55-59

9581

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22156

Females

8735

F55-59

8735

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

21053

Females

8258

F55-59

8258

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20351

Females

7996

F55-59

7996

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16991

Females

6262

F55-59

6262

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15871

Females

5728

F55-59

5728

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17962

Females

6977

F55-59

6977

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17998

Females

7045

F55-59

7045

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17032

Females

6615

F55-59

6615

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17966

Females

7144

F55-59

7144

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18798

Females

7494

F55-59

7494

Passing Analysis

Category:
Athletes Passed
3557
Passed By
154
Net Change
+3403
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24954
5K → 10K57137+534#24954#24420
10K → 15K38822+366#24420#24054
15K → 20K4168+408#24054#23646
20K → Half1926-7#23646#23653
Half → 25K28411+273#23653#23380
25K → 30K46814+454#23380#22926
30K → 20M18412+172#22926#22754
20M → 21M2901+289#22754#22465
21M → 35K1871+186#22465#22279
35K → 23M2544+250#22279#22029
23M → 24M1614+157#22029#21872
24M → 40K1550+155#21872#21717
40K → 25.2M703+67#21717#21650
25.2M → Finish11011+99#21650#21551
TOTALS3557154+3403
📊

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