Boston Marathon logo
BOSTON MARATHON 2025

Fui Fong Lim

Bib: 22755•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #19689
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
52:46
Rank: #19794 (-105)
5K → 10K
26:28 | 8:31/mi
15K· 9.32 mi
1:19:52
Rank: #20077 (-283)
10K → 15K
27:06 | 8:43/mi
20K· 12.43 mi
1:47:39
Rank: #20208 (-131)
15K → 20K
27:47 | 8:57/mi
Half· 13.11 mi
1:53:35
Rank: #20214 (-6)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:15:38
Rank: #20257 (-43)
Half → 25K
22:03 | 9:06/mi
30K· 18.64 mi
2:44:33
Rank: #20028 (+229)
25K → 30K
28:55 | 9:18/mi
20M
2:57:31
Rank: #19962 (+66)
30K → 20M
12:58 | 9:33/mi
21M
3:07:38
Rank: #19880 (+82)
20M → 21M
10:07 | 10:07/mi
35K· 21.75 mi
3:14:09
Rank: #19762 (+118)
21M → 35K
6:31 | 8:43/mi
23M
3:25:15
Rank: #19531 (+231)
35K → 23M
11:06 | 8:52/mi
24M
3:34:15
Rank: #19445 (+86)
23M → 24M
9:00 | 9:00/mi
40K· 24.85 mi
3:41:54
Rank: #19308 (+137)
24M → 40K
7:39 | 8:57/mi
25.2M
3:45:25
Rank: #19263 (+45)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:54:12
Rank: #19175 (+88)
25.2M → Finish
8:47 | 8:37/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:35
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:00:37
Pace9:12 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2026:188:2826:18
8:28
-
10K
6.21 mi11:53:4852:468:3026:28
8:31
+0:03
15K
9.32 mi12:20:541:19:528:3427:06
8:43
+0:12
20K
12.43 mi12:48:411:47:398:4027:47
8:57
+0:14
Half
13.11 mi12:54:371:53:358:405:56
8:42
-0:15
25K
15.53 mi13:16:402:15:388:4422:03
9:06
+0:24
30K
18.64 mi13:45:352:44:338:5028:55
9:18
+0:12
20M
20.00 mi13:58:332:57:318:5312:58
9:33
+0:15
21M
21.00 mi14:08:403:07:388:5610:07
10:07
+0:34
35K
21.75 mi14:15:113:14:098:566:31
8:43
-1:24
23M
23.00 mi14:26:173:25:158:5511:06
8:52
+0:09
24M
24.00 mi14:35:173:34:158:569:00
9:00
+0:08
40K
24.85 mi14:42:563:41:548:567:39
8:57
-0:03
25.2M
25.20 mi14:46:273:45:258:573:31
10:12
+1:15
Finish
26.22 mi14:55:143:54:128:568:47
8:37
-1:35

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

8:28 /mi

Average Pace

8:56 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:33

26% of race

Time at Steady Pace

1:57:08

50% of race

Time at Slower Pace

55:31

24% of race

Average Pace: 8:56 /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 mi11:27:2026:188:2826:18
8:28
#19689
10K
6.21 mi11:53:4852:468:3026:28
8:31
#19794
15K
9.32 mi12:20:541:19:528:3427:06
8:43
#20077
20K
12.43 mi12:48:411:47:398:4027:47
8:57
#20208
Half
13.11 mi12:54:371:53:358:405:56
8:42
#20214
25K
15.53 mi13:16:402:15:388:4422:03
9:06
#20257
30K
18.64 mi13:45:352:44:338:5028:55
9:18
#20028
20M
20.00 mi13:58:332:57:318:5312:58
9:33
#19962
21M
21.00 mi14:08:403:07:388:5610:07
10:07
#19880
35K
21.75 mi14:15:113:14:098:566:31
8:43
#19762
23M
23.00 mi14:26:173:25:158:5511:06
8:52
#19531
24M
24.00 mi14:35:173:34:158:569:00
9:00
#19445
40K
24.85 mi14:42:563:41:548:567:39
8:57
#19308
25.2M
25.20 mi14:46:273:45:258:573:31
10:12
#19263
Finish
26.22 mi14:55:143:54:128:568:47
8:37
#19175
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi196897319731920615(Top 73%)7783(Top 64%)7783(Top 597%)
10K6.21 mi3.10 mi19794-1057352-337352-3319919(Top 70%)7423(Top 61%)7423(Top 570%)
15K9.32 mi3.11 mi20077-2837513-1617513-16120615(Top 73%)7783(Top 64%)7783(Top 597%)
20K12.43 mi3.11 mi20208-1317596-837596-8320684(Top 73%)7880(Top 64%)7880(Top 605%)
Half13.11 mi0.68 mi20214-67604-87604-820371(Top 72%)7672(Top 63%)7672(Top 589%)
25K15.53 mi2.42 mi20257-437635-317635-3120342(Top 72%)7721(Top 63%)7721(Top 593%)
30K18.64 mi3.11 mi20028+2297543+927543+9219150(Top 67%)7199(Top 59%)7199(Top 552%)
20M20.00 mi1.36 mi19962+667523+207523+2019369(Top 68%)7459(Top 61%)7459(Top 572%)
21M21.00 mi1.00 mi19880+827502+217502+2118743(Top 66%)7201(Top 59%)7201(Top 553%)
35K21.75 mi0.75 mi19762+1187455+477455+4716819(Top 59%)6243(Top 51%)6243(Top 479%)
23M23.00 mi1.25 mi19531+2317360+957360+9515524(Top 55%)5626(Top 46%)5626(Top 432%)
24M24.00 mi1.00 mi19445+867333+277333+2717400(Top 61%)6713(Top 55%)6713(Top 515%)
40K24.85 mi0.85 mi19308+1377266+677266+6716047(Top 56%)6074(Top 50%)6074(Top 466%)
25.2M25.20 mi0.35 mi19263+457255+117255+1117928(Top 63%)7106(Top 58%)7106(Top 545%)
Finish26.22 mi1.02 mi19175+887231+247231+2417008(Top 60%)6576(Top 54%)6576(Top 505%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20615

Females

7783

F50-54

7783

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19919

Females

7423

F50-54

7423

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20615

Females

7783

F50-54

7783

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20684

Females

7880

F50-54

7880

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20371

Females

7672

F50-54

7672

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20342

Females

7721

F50-54

7721

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19150

Females

7199

F50-54

7199

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19369

Females

7459

F50-54

7459

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18743

Females

7201

F50-54

7201

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16819

Females

6243

F50-54

6243

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15524

Females

5626

F50-54

5626

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17400

Females

6713

F50-54

6713

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16047

Females

6074

F50-54

6074

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17928

Females

7106

F50-54

7106

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

17008

Females

6576

F50-54

6576

Passing Analysis

Category:
Athletes Passed
2030
Passed By
1516
Net Change
+514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19689
5K → 10K218323-105#19689#19794
10K → 15K106389-283#19794#20077
15K → 20K140271-131#20077#20208
20K → Half2834-6#20208#20214
Half → 25K150193-43#20214#20257
25K → 30K345116+229#20257#20028
30K → 20M13468+66#20028#19962
20M → 21M12947+82#19962#19880
21M → 35K1213+118#19880#19762
35K → 23M2409+231#19762#19531
23M → 24M11024+86#19531#19445
24M → 40K1425+137#19445#19308
40K → 25.2M5611+45#19308#19263
25.2M → Finish11123+88#19263#19175
TOTALS20301516+514
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing