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BOSTON MARATHON 2025

Chi Hong Fok

Bib: 7931•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 48%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:07/mi
22:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
44:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:07:53
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:32:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:37:34
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
1:56:45
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:22:41
↑ 181↓ 1480.2%
20M
8:33/mi
2:34:18
↑ 64↓ 500.2%
21M
9:08/mi
2:43:26
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:49:31
↑ 17↓ 861.7%
23M
8:44/mi
3:00:27
↑ 23↓ 630.6%
24M
8:28/mi
3:08:55
↓ 821.3%
40K· 24.85 mi
8:51/mi
3:16:29
↓ 200.3%
25.2M
9:28/mi
3:19:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:28:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:34
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:50:58
Pace8:28 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0222:077:0722:07
7:07
-
10K
6.21 mi10:51:3744:427:1222:35
7:16
+0:09
15K
9.32 mi11:14:481:07:537:1723:11
7:28
+0:12
20K
12.43 mi11:39:111:32:167:2524:23
7:51
+0:23
Half
13.11 mi11:44:291:37:347:275:18
7:46
-0:05
25K
15.53 mi12:03:401:56:457:3119:11
7:55
+0:09
30K
18.64 mi12:29:362:22:417:3925:56
8:21
+0:26
20M
20.00 mi12:41:132:34:187:4311:37
8:33
+0:12
21M
21.00 mi12:50:212:43:267:479:08
9:08
+0:35
35K
21.75 mi12:56:262:49:317:486:05
8:08
-1:00
23M
23.00 mi13:07:223:00:277:5110:56
8:44
+0:36
24M
24.00 mi13:15:503:08:557:528:28
8:28
-0:16
40K
24.85 mi13:23:243:16:297:547:34
8:51
+0:23
25.2M
25.20 mi13:26:403:19:457:563:16
9:28
+0:37
Finish
26.22 mi13:35:273:28:327:588:47
8:37
-0:51

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

7:07 /mi

Average Pace

7:58 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:45

56% of race

Time at Steady Pace

1:00:53

29% of race

Time at Slower Pace

30:54

15% of race

Average Pace: 7:57 /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 mi10:29:0222:077:0722:07
7:07
#8812
10K
6.21 mi10:51:3744:427:1222:35
7:16
#9411
15K
9.32 mi11:14:481:07:537:1723:11
7:28
#10067
20K
12.43 mi11:39:111:32:167:2524:23
7:51
#10971
Half
13.11 mi11:44:291:37:347:275:18
7:46
#11166
25K
15.53 mi12:03:401:56:457:3119:11
7:55
#11464
30K
18.64 mi12:29:362:22:417:3925:56
8:21
#11848
20M
20.00 mi12:41:132:34:187:4311:37
8:33
#12038
21M
21.00 mi12:50:212:43:267:479:08
9:08
#12149
35K
21.75 mi12:56:262:49:317:486:05
8:08
#12186
23M
23.00 mi13:07:223:00:277:5110:56
8:44
#12320
24M
24.00 mi13:15:503:08:557:528:28
8:28
#12414
40K
24.85 mi13:23:243:16:297:547:34
8:51
#12520
25.2M
25.20 mi13:26:403:19:457:563:16
9:28
#12560
Finish
26.22 mi13:35:273:28:327:588:47
8:37
#12758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi88127501750111427(Top 40%)8803(Top 55%)8803(Top 392%)
10K6.21 mi3.10 mi9411-5997852-3517852-35110087(Top 36%)8197(Top 51%)8197(Top 365%)
15K9.32 mi3.11 mi10067-6568172-3208172-32011427(Top 40%)8803(Top 55%)8803(Top 392%)
20K12.43 mi3.11 mi10971-9048619-4478619-44713645(Top 48%)9709(Top 60%)9709(Top 432%)
Half13.11 mi0.68 mi11166-1958701-828701-8213909(Top 49%)9853(Top 61%)9853(Top 438%)
25K15.53 mi2.42 mi11464-2988803-1028803-10213169(Top 46%)9370(Top 58%)9370(Top 417%)
30K18.64 mi3.11 mi11848-3848899-968899-9613779(Top 49%)9494(Top 59%)9494(Top 423%)
20M20.00 mi1.36 mi12038-1908953-548953-5414061(Top 50%)9471(Top 59%)9471(Top 421%)
21M21.00 mi1.00 mi12149-1118966-138966-1314246(Top 50%)9449(Top 59%)9449(Top 421%)
35K21.75 mi0.75 mi12186-378956+108956+1013113(Top 46%)8849(Top 55%)8849(Top 394%)
23M23.00 mi1.25 mi12320-1348983-278983-2714709(Top 52%)9487(Top 59%)9487(Top 422%)
24M24.00 mi1.00 mi12414-949001-189001-1814265(Top 50%)9264(Top 58%)9264(Top 412%)
40K24.85 mi0.85 mi12520-1069024-239024-2315431(Top 54%)9618(Top 60%)9618(Top 428%)
25.2M25.20 mi0.35 mi12560-409023+19023+114377(Top 51%)9106(Top 57%)9106(Top 405%)
Finish26.22 mi1.02 mi12758-1989095-729095-7216929(Top 60%)10353(Top 64%)10353(Top 461%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11427

Males

8803

M40-44

8803

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10087

Males

8197

M40-44

8197

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11427

Males

8803

M40-44

8803

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13645

Males

9709

M40-44

9709

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13909

Males

9853

M40-44

9853

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13169

Males

9370

M40-44

9370

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13779

Males

9494

M40-44

9494

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14061

Males

9471

M40-44

9471

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14246

Males

9449

M40-44

9449

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13113

Males

8849

M40-44

8849

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14709

Males

9487

M40-44

9487

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14265

Males

9264

M40-44

9264

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15431

Males

9618

M40-44

9618

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14377

Males

9106

M40-44

9106

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16929

Males

10353

M40-44

10353

Passing Analysis

Category:
Athletes Passed
781
Passed By
4724
Net Change
-3946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8812
5K → 10K59658-599#8812#9411
10K → 15K40694-656#9411#10067
15K → 20K34937-904#10067#10971
20K → Half8203-195#10971#11166
Half → 25K95393-298#11166#11464
25K → 30K140524-384#11464#11848
30K → 20M68258-190#11848#12038
20M → 21M76187-111#12038#12149
21M → 35K5188-37#12149#12186
35K → 23M72206-134#12186#12320
23M → 24M43137-94#12320#12414
24M → 40K47153-106#12414#12520
40K → 25.2M2767-40#12520#12560
25.2M → Finish21219-198#12560#12758
TOTALS7814724-3946
📊

Passing Visuals

Category:
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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