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BOSTON MARATHON 2025

Brent Wong

Bib: 12620•M

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
7:43/mi
23:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
47:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:11:07
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:35:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:40:41
↑ 19↓ 370.5%
25K· 15.53 mi
8:06/mi
2:00:20
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:27:42
↑ 181↓ 1480.2%
20M
8:37/mi
2:39:24
↑ 64↓ 500.2%
21M
9:27/mi
2:48:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
2:55:18
↑ 17↓ 861.7%
23M
8:46/mi
3:06:16
↑ 23↓ 630.6%
24M
8:48/mi
3:15:04
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:22:44
↓ 200.3%
25.2M
10:03/mi
3:26:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:43/mi
3:35:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:41
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:54:24
Pace8:44 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1523:587:4323:58
7:43
-
10K
6.21 mi11:15:4947:327:3923:34
7:35
-0:08
15K
9.32 mi11:39:241:11:077:3823:35
7:35
0:00
20K
12.43 mi12:03:491:35:327:4124:25
7:52
+0:17
Half
13.11 mi12:08:581:40:417:415:09
7:33
-0:19
25K
15.53 mi12:28:372:00:207:4519:39
8:06
+0:33
30K
18.64 mi12:55:592:27:427:5527:22
8:49
+0:43
20M
20.00 mi13:07:412:39:247:5811:42
8:37
-0:12
21M
21.00 mi13:17:082:48:518:029:27
9:27
+0:50
35K
21.75 mi13:23:352:55:188:046:27
8:37
-0:50
23M
23.00 mi13:34:333:06:168:0610:58
8:46
+0:09
24M
24.00 mi13:43:213:15:048:088:48
8:48
+0:02
40K
24.85 mi13:51:013:22:448:097:40
8:58
+0:10
25.2M
25.20 mi13:54:293:26:128:113:28
10:03
+1:05
Finish
26.22 mi14:03:223:35:058:138:53
8:43
-1:20

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

7:33 /mi

Average Pace

8:13 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:20

56% of race

Time at Steady Pace

1:21:50

38% of race

Time at Slower Pace

12:55

6% of race

Average Pace: 8:12 /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 mi10:52:1523:587:4323:58
7:43
#14085
10K
6.21 mi11:15:4947:327:3923:34
7:35
#13493
15K
9.32 mi11:39:241:11:077:3823:35
7:35
#13130
20K
12.43 mi12:03:491:35:327:4124:25
7:52
#13255
Half
13.11 mi12:08:581:40:417:415:09
7:33
#13192
25K
15.53 mi12:28:372:00:207:4519:39
8:06
#13404
30K
18.64 mi12:55:592:27:427:5527:22
8:49
#14062
20M
20.00 mi13:07:412:39:247:5811:42
8:37
#14060
21M
21.00 mi13:17:082:48:518:029:27
9:27
#14188
35K
21.75 mi13:23:352:55:188:046:27
8:37
#14284
23M
23.00 mi13:34:333:06:168:0610:58
8:46
#14334
24M
24.00 mi13:43:213:15:048:088:48
8:48
#14395
40K
24.85 mi13:51:013:22:448:097:40
8:58
#14433
25.2M
25.20 mi13:54:293:26:128:113:28
10:03
#14479
Finish
26.22 mi14:03:223:35:058:138:53
8:43
#14589
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi14085100831008312518(Top 44%)9310(Top 58%)9310(Top 390%)
10K6.21 mi3.10 mi13493+5929812+2719812+27112878(Top 45%)9543(Top 59%)9543(Top 400%)
15K9.32 mi3.11 mi13130+3639625+1879625+18712518(Top 44%)9310(Top 58%)9310(Top 390%)
20K12.43 mi3.11 mi13255-1259635-109635-1013751(Top 48%)9759(Top 61%)9759(Top 409%)
Half13.11 mi0.68 mi13192+639601+349601+3412114(Top 43%)9086(Top 56%)9086(Top 381%)
25K15.53 mi2.42 mi13404-2129651-509651-5014662(Top 52%)10052(Top 62%)10052(Top 421%)
30K18.64 mi3.11 mi14062-6589881-2309881-23016638(Top 59%)10764(Top 67%)10764(Top 451%)
20M20.00 mi1.36 mi14060+29847+349847+3414481(Top 51%)9676(Top 60%)9676(Top 406%)
21M21.00 mi1.00 mi14188-1289882-359882-3515836(Top 56%)10174(Top 63%)10174(Top 426%)
35K21.75 mi0.75 mi14284-969907-259907-2516155(Top 57%)10238(Top 64%)10238(Top 429%)
23M23.00 mi1.25 mi14334-509899+89899+814860(Top 52%)9563(Top 59%)9563(Top 401%)
24M24.00 mi1.00 mi14395-619904-59904-516295(Top 57%)10153(Top 63%)10153(Top 426%)
40K24.85 mi0.85 mi14433-389877+279877+2716080(Top 57%)9953(Top 62%)9953(Top 417%)
25.2M25.20 mi0.35 mi14479-469888-119888-1117205(Top 61%)10446(Top 65%)10446(Top 438%)
Finish26.22 mi1.02 mi14589-1109903-159903-1517543(Top 62%)10646(Top 66%)10646(Top 446%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12518

Males

9310

M45-49

9310

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12878

Males

9543

M45-49

9543

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12518

Males

9310

M45-49

9310

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13751

Males

9759

M45-49

9759

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12114

Males

9086

M45-49

9086

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14662

Males

10052

M45-49

10052

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16638

Males

10764

M45-49

10764

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14481

Males

9676

M45-49

9676

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15836

Males

10174

M45-49

10174

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16155

Males

10238

M45-49

10238

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14860

Males

9563

M45-49

9563

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16295

Males

10153

M45-49

10153

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16080

Males

9953

M45-49

9953

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17205

Males

10446

M45-49

10446

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17543

Males

10646

M45-49

10646

Passing Analysis

Category:
Athletes Passed
2057
Passed By
2561
Net Change
-504
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14085
5K → 10K67280+592#14085#13493
10K → 15K41956+363#13493#13130
15K → 20K165290-125#13130#13255
20K → Half729+63#13255#13192
Half → 25K104316-212#13192#13404
25K → 30K113771-658#13404#14062
30K → 20M118116+2#14062#14060
20M → 21M77205-128#14060#14188
21M → 35K45141-96#14188#14284
35K → 23M97147-50#14284#14334
23M → 24M49110-61#14334#14395
24M → 40K66104-38#14395#14433
40K → 25.2M1662-46#14433#14479
25.2M → Finish44154-110#14479#14589
TOTALS20572561-504
📊

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