Boston Marathon logo
BOSTON MARATHON 2025

Yui Hang Fok

Bib: 2743•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:07
Rank: #1624
Start → 5K
19:07 | 6:09/mi
10K· 6.21 mi
37:59
Rank: #1475 (+149)
5K → 10K
18:52 | 6:04/mi
15K· 9.32 mi
56:55
Rank: #1426 (+49)
10K → 15K
18:56 | 6:06/mi
20K· 12.43 mi
1:16:01
Rank: #1400 (+26)
15K → 20K
19:06 | 6:09/mi
Half· 13.11 mi
1:20:08
Rank: #1387 (+13)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:35:19
Rank: #1412 (-25)
Half → 25K
15:11 | 6:16/mi
30K· 18.64 mi
1:55:11
Rank: #1401 (+11)
25K → 30K
19:52 | 6:24/mi
20M
2:03:57
Rank: #1382 (+19)
30K → 20M
8:46 | 6:27/mi
21M
2:10:51
Rank: #1376 (+6)
20M → 21M
6:54 | 6:54/mi
35K· 21.75 mi
2:15:27
Rank: #1351 (+25)
21M → 35K
4:36 | 6:09/mi
23M
2:23:23
Rank: #1292 (+59)
35K → 23M
7:56 | 6:20/mi
24M
2:29:34
Rank: #1249 (+43)
23M → 24M
6:11 | 6:11/mi
40K· 24.85 mi
2:34:56
Rank: #1223 (+26)
24M → 40K
5:22 | 6:17/mi
25.2M
2:37:19
Rank: #1209 (+14)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:43:29
Rank: #1179 (+30)
25.2M → Finish
6:10 | 6:03/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
Time1:20:08
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:23:21
Pace6:21 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5919:076:0919:07
6:09
-
10K
6.21 mi10:38:5137:596:0718:52
6:04
-0:05
15K
9.32 mi10:57:4756:556:0618:56
6:06
+0:02
20K
12.43 mi11:16:531:16:016:0719:06
6:09
+0:03
Half
13.11 mi11:21:001:20:086:074:07
6:02
-0:07
25K
15.53 mi11:36:111:35:196:0815:11
6:16
+0:14
30K
18.64 mi11:56:031:55:116:1119:52
6:24
+0:08
20M
20.00 mi12:04:492:03:576:128:46
6:27
+0:03
21M
21.00 mi12:11:432:10:516:146:54
6:54
+0:27
35K
21.75 mi12:16:192:15:276:144:36
6:09
-0:45
23M
23.00 mi12:24:152:23:236:147:56
6:20
+0:11
24M
24.00 mi12:30:262:29:346:146:11
6:11
-0:09
40K
24.85 mi12:35:482:34:566:145:22
6:17
+0:06
25.2M
25.20 mi12:38:112:37:196:152:23
6:55
+0:38
Finish
26.22 mi12:44:212:43:296:146:10
6:03
-0:52

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

6:02 /mi

Average Pace

6:14 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:12

94% of race

Time at Steady Pace

9:17

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:19:5919:076:0919:07
6:09
#1624
10K
6.21 mi10:38:5137:596:0718:52
6:04
#1475
15K
9.32 mi10:57:4756:556:0618:56
6:06
#1426
20K
12.43 mi11:16:531:16:016:0719:06
6:09
#1400
Half
13.11 mi11:21:001:20:086:074:07
6:02
#1387
25K
15.53 mi11:36:111:35:196:0815:11
6:16
#1412
30K
18.64 mi11:56:031:55:116:1119:52
6:24
#1401
20M
20.00 mi12:04:492:03:576:128:46
6:27
#1382
21M
21.00 mi12:11:432:10:516:146:54
6:54
#1376
35K
21.75 mi12:16:192:15:276:144:36
6:09
#1351
23M
23.00 mi12:24:152:23:236:147:56
6:20
#1292
24M
24.00 mi12:30:262:29:346:146:11
6:11
#1249
40K
24.85 mi12:35:482:34:566:145:22
6:17
#1223
25.2M
25.20 mi12:38:112:37:196:152:23
6:55
#1209
Finish
26.22 mi12:44:212:43:296:146:10
6:03
#1179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1624154215421341(Top 5%)1273(Top 8%)1273(Top 23%)
10K6.21 mi3.10 mi1475+1491403+1391403+1391367(Top 5%)1297(Top 8%)1297(Top 23%)
15K9.32 mi3.11 mi1426+491353+501353+501341(Top 5%)1273(Top 8%)1273(Top 23%)
20K12.43 mi3.11 mi1400+261328+251328+251355(Top 5%)1283(Top 8%)1283(Top 23%)
Half13.11 mi0.68 mi1387+131316+121316+121266(Top 4%)1200(Top 7%)1200(Top 21%)
25K15.53 mi2.42 mi1412-251340-241340-241696(Top 6%)1611(Top 10%)1611(Top 29%)
30K18.64 mi3.11 mi1401+111325+151325+151524(Top 5%)1442(Top 9%)1442(Top 26%)
20M20.00 mi1.36 mi1382+191305+201305+201423(Top 5%)1345(Top 8%)1345(Top 24%)
21M21.00 mi1.00 mi1376+61298+71298+71856(Top 7%)1747(Top 11%)1747(Top 31%)
35K21.75 mi0.75 mi1351+251275+231275+231079(Top 4%)1017(Top 6%)1017(Top 18%)
23M23.00 mi1.25 mi1292+591217+581217+58965(Top 3%)909(Top 6%)909(Top 16%)
24M24.00 mi1.00 mi1249+431176+411176+41970(Top 3%)912(Top 6%)912(Top 16%)
40K24.85 mi0.85 mi1223+261150+261150+26910(Top 3%)852(Top 5%)852(Top 15%)
25.2M25.20 mi0.35 mi1209+141137+131137+131224(Top 4%)1126(Top 7%)1126(Top 20%)
Finish26.22 mi1.02 mi1179+301109+281109+281051(Top 4%)985(Top 6%)985(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1341

Males

1273

M18-39

1273

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1367

Males

1297

M18-39

1297

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1341

Males

1273

M18-39

1273

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1355

Males

1283

M18-39

1283

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1266

Males

1200

M18-39

1200

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1696

Males

1611

M18-39

1611

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1524

Males

1442

M18-39

1442

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1423

Males

1345

M18-39

1345

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1856

Males

1747

M18-39

1747

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1079

Males

1017

M18-39

1017

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

965

Males

909

M18-39

909

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

970

Males

912

M18-39

912

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

910

Males

852

M18-39

852

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1224

Males

1126

M18-39

1126

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1051

Males

985

M18-39

985

Passing Analysis

Category:
Athletes Passed
725
Passed By
280
Net Change
+445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1624
5K → 10K17728+149#1624#1475
10K → 15K7930+49#1475#1426
15K → 20K6236+26#1426#1400
20K → Half152+13#1400#1387
Half → 25K3156-25#1387#1412
25K → 30K6049+11#1412#1401
30K → 20M3516+19#1401#1382
20M → 21M3226+6#1382#1376
21M → 35K316+25#1376#1351
35K → 23M656+59#1351#1292
23M → 24M518+43#1292#1249
24M → 40K359+26#1249#1223
40K → 25.2M173+14#1223#1209
25.2M → Finish355+30#1209#1179
TOTALS725280+445
📊

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