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BOSTON MARATHON 2025

Phillip Chong

Bib: 16401•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:30/mi
26:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:26/mi
52:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:19:01
↑ 67↓ 78
20K· 12.43 mi
9:06/mi
1:47:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:53:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:14:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:54/mi
2:41:45
↑ 181↓ 1480.2%
20M
8:45/mi
2:53:38
↑ 64↓ 500.2%
21M
9:30/mi
3:03:08
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
3:09:54
↑ 17↓ 861.7%
23M
8:50/mi
3:20:57
↑ 23↓ 630.6%
24M
8:34/mi
3:29:31
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:37:06
↓ 200.3%
25.2M
9:40/mi
3:40:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:51/mi
3:49:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:09
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:56:18
Pace8:52 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:4826:258:3026:25
8:30
-
10K
6.21 mi11:28:0152:388:2826:13
8:26
-0:04
15K
9.32 mi11:54:241:19:018:2926:23
8:30
+0:04
20K
12.43 mi12:22:401:47:178:3828:16
9:06
+0:36
Half
13.11 mi12:28:321:53:098:385:52
8:36
-0:30
25K
15.53 mi12:49:292:14:068:3820:57
8:38
+0:02
30K
18.64 mi13:17:082:41:458:4127:39
8:54
+0:16
20M
20.00 mi13:29:012:53:388:4111:53
8:45
-0:09
21M
21.00 mi13:38:313:03:088:439:30
9:30
+0:45
35K
21.75 mi13:45:173:09:548:446:46
9:03
-0:27
23M
23.00 mi13:56:203:20:578:4411:03
8:50
-0:13
24M
24.00 mi14:04:543:29:318:448:34
8:34
-0:16
40K
24.85 mi14:12:293:37:068:447:35
8:52
+0:18
25.2M
25.20 mi14:15:493:40:268:453:20
9:40
+0:48
Finish
26.22 mi14:24:503:49:278:459:01
8:51
-0:49

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

8:26 /mi

Average Pace

8:45 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:37

94% of race

Time at Steady Pace

12:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:01:4826:258:3026:25
8:30
#19889
10K
6.21 mi11:28:0152:388:2826:13
8:26
#19646
15K
9.32 mi11:54:241:19:018:2926:23
8:30
#19521
20K
12.43 mi12:22:401:47:178:3828:16
9:06
#20037
Half
13.11 mi12:28:321:53:098:385:52
8:36
#20023
25K
15.53 mi12:49:292:14:068:3820:57
8:38
#19691
30K
18.64 mi13:17:082:41:458:4127:39
8:54
#19214
20M
20.00 mi13:29:012:53:388:4111:53
8:45
#18911
21M
21.00 mi13:38:313:03:088:439:30
9:30
#18735
35K
21.75 mi13:45:173:09:548:446:46
9:03
#18713
23M
23.00 mi13:56:203:20:578:4411:03
8:50
#18503
24M
24.00 mi14:04:543:29:318:448:34
8:34
#18318
40K
24.85 mi14:12:293:37:068:447:35
8:52
#18218
25.2M
25.20 mi14:15:493:40:268:453:20
9:40
#18179
Finish
26.22 mi14:24:503:49:278:459:01
8:51
#18196
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19889123921239219270(Top 68%)12171(Top 76%)12171(Top 739%)
10K6.21 mi3.10 mi19646+24312322+7012322+7019431(Top 68%)12247(Top 76%)12247(Top 743%)
15K9.32 mi3.11 mi19521+12512276+4612276+4619270(Top 68%)12171(Top 76%)12171(Top 739%)
20K12.43 mi3.11 mi20037-51612486-21012486-21021423(Top 75%)13089(Top 81%)13089(Top 794%)
Half13.11 mi0.68 mi20023+1412478+812478+819770(Top 70%)12363(Top 77%)12363(Top 750%)
25K15.53 mi2.42 mi19691+33212325+15312325+15318037(Top 64%)11538(Top 72%)11538(Top 700%)
30K18.64 mi3.11 mi19214+47712077+24812077+24817145(Top 60%)10997(Top 68%)10997(Top 667%)
20M20.00 mi1.36 mi18911+30311933+14411933+14415340(Top 54%)10076(Top 63%)10076(Top 611%)
21M21.00 mi1.00 mi18735+17611827+10611827+10616064(Top 57%)10288(Top 64%)10288(Top 624%)
35K21.75 mi0.75 mi18713+2211803+2411803+2418424(Top 65%)11228(Top 70%)11228(Top 681%)
23M23.00 mi1.25 mi18503+21011683+12011683+12015242(Top 54%)9745(Top 61%)9745(Top 591%)
24M24.00 mi1.00 mi18318+18511575+10811575+10814938(Top 53%)9565(Top 59%)9565(Top 580%)
40K24.85 mi0.85 mi18218+10011503+7211503+7215571(Top 55%)9705(Top 60%)9705(Top 589%)
25.2M25.20 mi0.35 mi18179+3911473+3011473+3015413(Top 54%)9608(Top 60%)9608(Top 583%)
Finish26.22 mi1.02 mi18196-1711471+211471+218271(Top 64%)11004(Top 68%)11004(Top 668%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19270

Males

12171

M55-59

12171

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19431

Males

12247

M55-59

12247

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19270

Males

12171

M55-59

12171

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21423

Males

13089

M55-59

13089

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19770

Males

12363

M55-59

12363

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18037

Males

11538

M55-59

11538

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

17145

Males

10997

M55-59

10997

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15340

Males

10076

M55-59

10076

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16064

Males

10288

M55-59

10288

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18424

Males

11228

M55-59

11228

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15242

Males

9745

M55-59

9745

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14938

Males

9565

M55-59

9565

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15571

Males

9705

M55-59

9705

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15413

Males

9608

M55-59

9608

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18271

Males

11004

M55-59

11004

Passing Analysis

Category:
Athletes Passed
2858
Passed By
1165
Net Change
+1693
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19889
5K → 10K409166+243#19889#19646
10K → 15K256131+125#19646#19521
15K → 20K80596-516#19521#20037
20K → Half3622+14#20037#20023
Half → 25K35523+332#20023#19691
25K → 30K50831+477#19691#19214
30K → 20M3107+303#19214#18911
20M → 21M20125+176#18911#18735
21M → 35K6341+22#18735#18713
35K → 23M22111+210#18713#18503
23M → 24M1916+185#18503#18318
24M → 40K12121+100#18318#18218
40K → 25.2M4910+39#18218#18179
25.2M → Finish5875-17#18179#18196
TOTALS28581165+1693
📊

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