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BOSTON MARATHON 2025

Linh Ai Hua

Bib: 22608•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:43
Rank: #22097
Start → 5K
27:43 | 8:55/mi
10K· 6.21 mi
54:58
Rank: #21694 (+403)
5K → 10K
27:15 | 8:46/mi
15K· 9.32 mi
1:22:40
Rank: #21653 (+41)
10K → 15K
27:42 | 8:55/mi
20K· 12.43 mi
1:51:42
Rank: #21887 (-234)
15K → 20K
29:02 | 9:21/mi
Half· 13.11 mi
1:57:51
Rank: #21866 (+21)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:20:09
Rank: #21652 (+214)
Half → 25K
22:18 | 9:12/mi
30K· 18.64 mi
2:49:17
Rank: #21252 (+400)
25K → 30K
29:08 | 9:23/mi
20M
3:01:52
Rank: #20996 (+256)
30K → 20M
12:35 | 9:16/mi
21M
3:11:40
Rank: #20763 (+233)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:18:20
Rank: #20656 (+107)
21M → 35K
6:40 | 8:55/mi
23M
3:29:40
Rank: #20452 (+204)
35K → 23M
11:20 | 9:03/mi
24M
3:38:23
Rank: #20283 (+169)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:46:03
Rank: #20149 (+134)
24M → 40K
7:40 | 8:58/mi
25.2M
3:49:25
Rank: #20087 (+62)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:57:57
Rank: #19930 (+157)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:51
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:00:06
Pace9:10 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3827:438:5527:43
8:55
-
10K
6.21 mi11:52:5354:588:5127:15
8:46
-0:09
15K
9.32 mi12:20:351:22:408:5227:42
8:55
+0:09
20K
12.43 mi12:49:371:51:428:5929:02
9:21
+0:26
Half
13.11 mi12:55:461:57:518:596:09
9:01
-0:20
25K
15.53 mi13:18:042:20:099:0122:18
9:12
+0:11
30K
18.64 mi13:47:122:49:179:0529:08
9:23
+0:11
20M
20.00 mi13:59:473:01:529:0612:35
9:16
-0:07
21M
21.00 mi14:09:353:11:409:089:48
9:48
+0:32
35K
21.75 mi14:16:153:18:209:076:40
8:55
-0:53
23M
23.00 mi14:27:353:29:409:0711:20
9:03
+0:08
24M
24.00 mi14:36:183:38:239:068:43
8:43
-0:20
40K
24.85 mi14:43:583:46:039:067:40
8:58
+0:15
25.2M
25.20 mi14:47:203:49:259:063:22
9:46
+0:48
Finish
26.22 mi14:55:523:57:579:058:32
8:22
-1:24

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

8:22 /mi

Average Pace

9:05 /mi

Slowest Pace

9:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:02

65% of race

Time at Steady Pace

1:23:55

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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 mi11:25:3827:438:5527:43
8:55
#22097
10K
6.21 mi11:52:5354:588:5127:15
8:46
#21694
15K
9.32 mi12:20:351:22:408:5227:42
8:55
#21653
20K
12.43 mi12:49:371:51:428:5929:02
9:21
#21887
Half
13.11 mi12:55:461:57:518:596:09
9:01
#21866
25K
15.53 mi13:18:042:20:099:0122:18
9:12
#21652
30K
18.64 mi13:47:122:49:179:0529:08
9:23
#21252
20M
20.00 mi13:59:473:01:529:0612:35
9:16
#20996
21M
21.00 mi14:09:353:11:409:089:48
9:48
#20763
35K
21.75 mi14:16:153:18:209:076:40
8:55
#20656
23M
23.00 mi14:27:353:29:409:0711:20
9:03
#20452
24M
24.00 mi14:36:183:38:239:068:43
8:43
#20283
40K
24.85 mi14:43:583:46:039:067:40
8:58
#20149
25.2M
25.20 mi14:47:203:49:259:063:22
9:46
#20087
Finish
26.22 mi14:55:523:57:579:058:32
8:22
#19930
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi220978681868121651(Top 76%)8353(Top 68%)8353(Top 461%)
10K6.21 mi3.10 mi21694+4038438+2438438+24321264(Top 75%)8179(Top 67%)8179(Top 451%)
15K9.32 mi3.11 mi21653+418398+408398+4021651(Top 76%)8353(Top 68%)8353(Top 461%)
20K12.43 mi3.11 mi21887-2348539-1418539-14122406(Top 79%)8805(Top 72%)8805(Top 486%)
Half13.11 mi0.68 mi21866+218527+128527+1221885(Top 77%)8521(Top 70%)8521(Top 470%)
25K15.53 mi2.42 mi21652+2148412+1158412+11520757(Top 73%)7946(Top 65%)7946(Top 438%)
30K18.64 mi3.11 mi21252+4008218+1948218+19419452(Top 68%)7366(Top 60%)7366(Top 406%)
20M20.00 mi1.36 mi20996+2568098+1208098+12018118(Top 64%)6787(Top 56%)6787(Top 374%)
21M21.00 mi1.00 mi20763+2337990+1087990+10817506(Top 62%)6542(Top 54%)6542(Top 361%)
35K21.75 mi0.75 mi20656+1077953+377953+3717853(Top 63%)6829(Top 56%)6829(Top 377%)
23M23.00 mi1.25 mi20452+2047862+917862+9116588(Top 58%)6229(Top 51%)6229(Top 344%)
24M24.00 mi1.00 mi20283+1697793+697793+6915889(Top 56%)5879(Top 48%)5879(Top 324%)
40K24.85 mi0.85 mi20149+1347744+497744+4916164(Top 57%)6145(Top 50%)6145(Top 339%)
25.2M25.20 mi0.35 mi20087+627715+297715+2916003(Top 56%)6108(Top 50%)6108(Top 337%)
Finish26.22 mi1.02 mi19930+1577646+697646+6915446(Top 54%)5735(Top 47%)5735(Top 316%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21651

Females

8353

F45-49

8353

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21264

Females

8179

F45-49

8179

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21651

Females

8353

F45-49

8353

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22406

Females

8805

F45-49

8805

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21885

Females

8521

F45-49

8521

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20757

Females

7946

F45-49

7946

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19452

Females

7366

F45-49

7366

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18118

Females

6787

F45-49

6787

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17506

Females

6542

F45-49

6542

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17853

Females

6829

F45-49

6829

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16588

Females

6229

F45-49

6229

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15889

Females

5879

F45-49

5879

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16164

Females

6145

F45-49

6145

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

16003

Females

6108

F45-49

6108

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15446

Females

5735

F45-49

5735

Passing Analysis

Category:
Athletes Passed
2990
Passed By
823
Net Change
+2167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22097
5K → 10K514111+403#22097#21694
10K → 15K230189+41#21694#21653
15K → 20K128362-234#21653#21887
20K → Half4120+21#21887#21866
Half → 25K25238+214#21866#21652
25K → 30K43939+400#21652#21252
30K → 20M2615+256#21252#20996
20M → 21M2429+233#20996#20763
21M → 35K11912+107#20763#20656
35K → 23M2095+204#20656#20452
23M → 24M1723+169#20452#20283
24M → 40K14410+134#20283#20149
40K → 25.2M675+62#20149#20087
25.2M → Finish17215+157#20087#19930
TOTALS2990823+2167
📊

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