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BOSTON MARATHON 2025

Helen Fong

Bib: 22930•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 (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:43
Rank: #23370
Start → 5K
28:43 | 9:15/mi
10K· 6.21 mi
57:21
Rank: #23315 (+55)
5K → 10K
28:38 | 9:13/mi
15K· 9.32 mi
1:27:26
Rank: #23698 (-383)
10K → 15K
30:05 | 9:41/mi
20K· 12.43 mi
1:56:09
Rank: #23275 (+423)
15K → 20K
28:43 | 9:15/mi
Half· 13.11 mi
2:02:21
Rank: #23230 (+45)
20K → Half
6:12 | 9:05/mi
25K· 15.53 mi
2:24:52
Rank: #22877 (+353)
Half → 25K
22:31 | 9:17/mi
30K· 18.64 mi
2:54:46
Rank: #22416 (+461)
25K → 30K
29:54 | 9:37/mi
20M
3:08:42
Rank: #22364 (+52)
30K → 20M
13:56 | 10:15/mi
21M
3:20:07
Rank: #22342 (+22)
20M → 21M
11:25 | 11:25/mi
35K· 21.75 mi
3:27:50
Rank: #22356 (-14)
21M → 35K
7:43 | 10:19/mi
23M
3:41:07
Rank: #22329 (+27)
35K → 23M
13:17 | 10:37/mi
24M
3:51:34
Rank: #22343 (-14)
23M → 24M
10:27 | 10:27/mi
40K· 24.85 mi
4:00:27
Rank: #22306 (+37)
24M → 40K
8:53 | 10:23/mi
25.2M
4:04:10
Rank: #22272 (+34)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:13:16
Rank: #22147 (+125)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:21
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:10:55
Pace9:59 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0828:439:1528:43
9:15
-
10K
6.21 mi11:54:4657:219:1428:38
9:13
-0:02
15K
9.32 mi12:24:511:27:269:2330:05
9:41
+0:28
20K
12.43 mi12:53:341:56:099:2128:43
9:15
-0:26
Half
13.11 mi12:59:462:02:219:206:12
9:05
-0:10
25K
15.53 mi13:22:172:24:529:2022:31
9:17
+0:12
30K
18.64 mi13:52:112:54:469:2329:54
9:37
+0:20
20M
20.00 mi14:06:073:08:429:2613:56
10:15
+0:38
21M
21.00 mi14:17:323:20:079:3211:25
11:25
+1:10
35K
21.75 mi14:25:153:27:509:337:43
10:19
-1:06
23M
23.00 mi14:38:323:41:079:3713:17
10:37
+0:18
24M
24.00 mi14:48:593:51:349:3910:27
10:27
-0:10
40K
24.85 mi14:57:524:00:279:408:53
10:23
-0:04
25.2M
25.20 mi15:01:354:04:109:413:43
10:47
+0:24
Finish
26.22 mi15:10:414:13:169:409:06
8:56
-1:51

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

8:56 /mi

Average Pace

9:40 /mi

Slowest Pace

11:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:53

49% of race

Time at Steady Pace

59:59

24% of race

Time at Slower Pace

1:09:24

27% of race

Average Pace: 9:40 /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 mi11:26:0828:439:1528:43
9:15
#23370
10K
6.21 mi11:54:4657:219:1428:38
9:13
#23315
15K
9.32 mi12:24:511:27:269:2330:05
9:41
#23698
20K
12.43 mi12:53:341:56:099:2128:43
9:15
#23275
Half
13.11 mi12:59:462:02:219:206:12
9:05
#23230
25K
15.53 mi13:22:172:24:529:2022:31
9:17
#22877
30K
18.64 mi13:52:112:54:469:2329:54
9:37
#22416
20M
20.00 mi14:06:073:08:429:2613:56
10:15
#22364
21M
21.00 mi14:17:323:20:079:3211:25
11:25
#22342
35K
21.75 mi14:25:153:27:509:337:43
10:19
#22356
23M
23.00 mi14:38:323:41:079:3713:17
10:37
#22329
24M
24.00 mi14:48:593:51:349:3910:27
10:27
#22343
40K
24.85 mi14:57:524:00:279:408:53
10:23
#22306
25.2M
25.20 mi15:01:354:04:109:413:43
10:47
#22272
Finish
26.22 mi15:10:414:13:169:409:06
8:56
#22147
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi233709369936924233(Top 85%)9801(Top 80%)9801(Top 541%)
10K6.21 mi3.10 mi23315+559323+469323+4623262(Top 82%)9273(Top 76%)9273(Top 511%)
15K9.32 mi3.11 mi23698-3839518-1959518-19524233(Top 85%)9801(Top 80%)9801(Top 541%)
20K12.43 mi3.11 mi23275+4239272+2469272+24622059(Top 78%)8619(Top 70%)8619(Top 475%)
Half13.11 mi0.68 mi23230+459249+239249+2322208(Top 78%)8725(Top 71%)8725(Top 481%)
25K15.53 mi2.42 mi22877+3539079+1709079+17021140(Top 74%)8174(Top 67%)8174(Top 451%)
30K18.64 mi3.11 mi22416+4618863+2168863+21620461(Top 72%)7917(Top 65%)7917(Top 437%)
20M20.00 mi1.36 mi22364+528856+78856+721734(Top 77%)8753(Top 72%)8753(Top 483%)
21M21.00 mi1.00 mi22342+228856885622440(Top 79%)9211(Top 75%)9211(Top 508%)
35K21.75 mi0.75 mi22356-148878-228878-2222746(Top 80%)9409(Top 77%)9409(Top 519%)
23M23.00 mi1.25 mi22329+278901-238901-2322307(Top 79%)9230(Top 75%)9230(Top 509%)
24M24.00 mi1.00 mi22343-148930-298930-2922691(Top 80%)9476(Top 77%)9476(Top 523%)
40K24.85 mi0.85 mi22306+378924+68924+621630(Top 76%)9004(Top 74%)9004(Top 497%)
25.2M25.20 mi0.35 mi22272+348908+168908+1620019(Top 70%)8180(Top 67%)8180(Top 451%)
Finish26.22 mi1.02 mi22147+1258864+448864+4418711(Top 66%)7446(Top 61%)7446(Top 411%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24233

Females

9801

F45-49

9801

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23262

Females

9273

F45-49

9273

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24233

Females

9801

F45-49

9801

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22059

Females

8619

F45-49

8619

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22208

Females

8725

F45-49

8725

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21140

Females

8174

F45-49

8174

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20461

Females

7917

F45-49

7917

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21734

Females

8753

F45-49

8753

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22440

Females

9211

F45-49

9211

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22746

Females

9409

F45-49

9409

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

22307

Females

9230

F45-49

9230

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22691

Females

9476

F45-49

9476

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21630

Females

9004

F45-49

9004

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

20019

Females

8180

F45-49

8180

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18711

Females

7446

F45-49

7446

Passing Analysis

Category:
Athletes Passed
2255
Passed By
1032
Net Change
+1223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23370
5K → 10K262207+55#23370#23315
10K → 15K73456-383#23315#23698
15K → 20K4329+423#23698#23275
20K → Half5813+45#23275#23230
Half → 25K36310+353#23230#22877
25K → 30K47716+461#22877#22416
30K → 20M10250+52#22416#22364
20M → 21M8664+22#22364#22342
21M → 35K3448-14#22342#22356
35K → 23M9063+27#22356#22329
23M → 24M4761-14#22329#22343
24M → 40K6427+37#22343#22306
40K → 25.2M395+34#22306#22272
25.2M → Finish1283+125#22272#22147
TOTALS22551032+1223
📊

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