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BOSTON MARATHON 2025

Chung Man Rebecca Wong

Bib: 28985•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:18
Rank: #21458
Start → 5K
27:18 | 8:47/mi
10K· 6.21 mi
55:22
Rank: #22006 (-548)
5K → 10K
28:04 | 9:02/mi
15K· 9.32 mi
1:23:08
Rank: #21914 (+92)
10K → 15K
27:46 | 8:56/mi
20K· 12.43 mi
1:51:38
Rank: #21861 (+53)
15K → 20K
28:30 | 9:10/mi
Half· 13.11 mi
1:57:54
Rank: #21888 (-27)
20K → Half
6:16 | 9:11/mi
25K· 15.53 mi
2:21:03
Rank: #21927 (-39)
Half → 25K
23:09 | 9:33/mi
30K· 18.64 mi
2:51:37
Rank: #21787 (+140)
25K → 30K
30:34 | 9:50/mi
20M
3:05:13
Rank: #21721 (+66)
30K → 20M
13:36 | 10:00/mi
21M
3:15:52
Rank: #21642 (+79)
20M → 21M
10:39 | 10:39/mi
35K· 21.75 mi
3:22:38
Rank: #21533 (+109)
21M → 35K
6:46 | 9:03/mi
23M
3:34:58
Rank: #21418 (+115)
35K → 23M
12:20 | 9:51/mi
24M
3:44:26
Rank: #21319 (+99)
23M → 24M
9:28 | 9:28/mi
40K· 24.85 mi
3:52:43
Rank: #21238 (+81)
24M → 40K
8:17 | 9:41/mi
25.2M
3:56:20
Rank: #21204 (+34)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:05:38
Rank: #21144 (+60)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:54
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:07:44
Pace9:45 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5227:188:4727:18
8:47
-
10K
6.21 mi12:12:5655:228:5528:04
9:02
+0:15
15K
9.32 mi12:40:421:23:088:5527:46
8:56
-0:06
20K
12.43 mi13:09:121:51:388:5928:30
9:10
+0:14
Half
13.11 mi13:15:281:57:549:006:16
9:11
+0:01
25K
15.53 mi13:38:372:21:039:0523:09
9:33
+0:22
30K
18.64 mi14:09:112:51:379:1230:34
9:50
+0:17
20M
20.00 mi14:22:473:05:139:1613:36
10:00
+0:10
21M
21.00 mi14:33:263:15:529:2010:39
10:39
+0:39
35K
21.75 mi14:40:123:22:389:196:46
9:03
-1:36
23M
23.00 mi14:52:323:34:589:2112:20
9:51
+0:48
24M
24.00 mi15:02:003:44:269:219:28
9:28
-0:23
40K
24.85 mi15:10:173:52:439:228:17
9:41
+0:13
25.2M
25.20 mi15:13:543:56:209:233:37
10:29
+0:48
Finish
26.22 mi15:23:124:05:389:239:18
9:08
-1:21

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

8:47 /mi

Average Pace

9:23 /mi

Slowest Pace

10:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:58

55% of race

Time at Steady Pace

40:54

17% of race

Time at Slower Pace

1:10:46

29% of race

Average Pace: 9:22 /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 mi11:44:5227:188:4727:18
8:47
#21458
10K
6.21 mi12:12:5655:228:5528:04
9:02
#22006
15K
9.32 mi12:40:421:23:088:5527:46
8:56
#21914
20K
12.43 mi13:09:121:51:388:5928:30
9:10
#21861
Half
13.11 mi13:15:281:57:549:006:16
9:11
#21888
25K
15.53 mi13:38:372:21:039:0523:09
9:33
#21927
30K
18.64 mi14:09:112:51:379:1230:34
9:50
#21787
20M
20.00 mi14:22:473:05:139:1613:36
10:00
#21721
21M
21.00 mi14:33:263:15:529:2010:39
10:39
#21642
35K
21.75 mi14:40:123:22:389:196:46
9:03
#21533
23M
23.00 mi14:52:323:34:589:2112:20
9:51
#21418
24M
24.00 mi15:02:003:44:269:219:28
9:28
#21319
40K
24.85 mi15:10:173:52:439:228:17
9:41
#21238
25.2M
25.20 mi15:13:543:56:209:233:37
10:29
#21204
Finish
26.22 mi15:23:124:05:389:239:18
9:08
#21144
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi214588340834021749(Top 77%)8407(Top 69%)8407(Top 489%)
10K6.21 mi3.10 mi22006-5488616-2768616-27622526(Top 79%)8880(Top 73%)8880(Top 517%)
15K9.32 mi3.11 mi21914+928550+668550+6621749(Top 77%)8407(Top 69%)8407(Top 489%)
20K12.43 mi3.11 mi21861+538527+238527+2321796(Top 77%)8476(Top 69%)8476(Top 493%)
Half13.11 mi0.68 mi21888-278542-158542-1522547(Top 79%)8898(Top 73%)8898(Top 518%)
25K15.53 mi2.42 mi21927-398562-208562-2022028(Top 78%)8663(Top 71%)8663(Top 504%)
30K18.64 mi3.11 mi21787+1408503+598503+5921125(Top 74%)8296(Top 68%)8296(Top 483%)
20M20.00 mi1.36 mi21721+668479+248479+2420980(Top 74%)8348(Top 68%)8348(Top 486%)
21M21.00 mi1.00 mi21642+798468+118468+1120466(Top 72%)8166(Top 67%)8166(Top 475%)
35K21.75 mi0.75 mi21533+1098418+508418+5018517(Top 65%)7217(Top 59%)7217(Top 420%)
23M23.00 mi1.25 mi21418+1158387+318387+3119973(Top 70%)8040(Top 66%)8040(Top 468%)
24M24.00 mi1.00 mi21319+998354+338354+3319531(Top 69%)7845(Top 64%)7845(Top 457%)
40K24.85 mi0.85 mi21238+818334+208334+2019454(Top 68%)7870(Top 64%)7870(Top 458%)
25.2M25.20 mi0.35 mi21204+348318+168318+1619017(Top 67%)7656(Top 63%)7656(Top 446%)
Finish26.22 mi1.02 mi21144+608302+168302+1619659(Top 69%)7956(Top 65%)7956(Top 463%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21749

Females

8407

F40-44

8407

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22526

Females

8880

F40-44

8880

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21749

Females

8407

F40-44

8407

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21796

Females

8476

F40-44

8476

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22547

Females

8898

F40-44

8898

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

22028

Females

8663

F40-44

8663

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

21125

Females

8296

F40-44

8296

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

20980

Females

8348

F40-44

8348

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20466

Females

8166

F40-44

8166

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18517

Females

7217

F40-44

7217

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

19973

Females

8040

F40-44

8040

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19531

Females

7845

F40-44

7845

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19454

Females

7870

F40-44

7870

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19017

Females

7656

F40-44

7656

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19659

Females

7956

F40-44

7956

Passing Analysis

Category:
Athletes Passed
1817
Passed By
1503
Net Change
+314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21458
5K → 10K97645-548#21458#22006
10K → 15K250158+92#22006#21914
15K → 20K210157+53#21914#21861
20K → Half2350-27#21861#21888
Half → 25K138177-39#21888#21927
25K → 30K266126+140#21927#21787
30K → 20M12357+66#21787#21721
20M → 21M12445+79#21721#21642
21M → 35K1134+109#21642#21533
35K → 23M15035+115#21533#21418
23M → 24M1089+99#21418#21319
24M → 40K9615+81#21319#21238
40K → 25.2M384+34#21238#21204
25.2M → Finish8121+60#21204#21144
TOTALS18171503+314
📊

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