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BOSTON MARATHON 2025

Phong Dang

Bib: 29189•M

CA

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

Start
0:00:00
Race begins
5K· 3.11 mi
30:43
Rank: #25315
Start → 5K
30:43 | 9:53/mi
10K· 6.21 mi
1:02:16
Rank: #25496 (-181)
5K → 10K
31:33 | 10:09/mi
15K· 9.32 mi
1:33:51
Rank: #25460 (+36)
10K → 15K
31:35 | 10:10/mi
20K· 12.43 mi
2:06:27
Rank: #25383 (+77)
15K → 20K
32:36 | 10:30/mi
Half· 13.11 mi
2:13:31
Rank: #25382 (+1)
20K → Half
7:04 | 10:21/mi
25K· 15.53 mi
2:38:42
Rank: #25154 (+228)
Half → 25K
25:11 | 10:23/mi
30K· 18.64 mi
3:12:14
Rank: #24890 (+264)
25K → 30K
33:32 | 10:48/mi
20M
3:27:14
Rank: #24805 (+85)
30K → 20M
15:00 | 11:02/mi
21M
3:39:45
Rank: #24789 (+16)
20M → 21M
12:31 | 12:31/mi
35K· 21.75 mi
3:48:12
Rank: #24795 (-6)
21M → 35K
8:27 | 11:18/mi
23M
4:02:11
Rank: #24745 (+50)
35K → 23M
13:59 | 11:10/mi
24M
4:12:37
Rank: #24657 (+88)
23M → 24M
10:26 | 10:26/mi
40K· 24.85 mi
4:21:56
Rank: #24619 (+38)
24M → 40K
9:19 | 10:54/mi
25.2M
4:25:53
Rank: #24584 (+35)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:35:24
Rank: #24488 (+96)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:31
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:21:53
Pace10:49 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1030:439:5330:43
9:53
-
10K
6.21 mi12:25:431:02:1610:0131:33
10:09
+0:16
15K
9.32 mi12:57:181:33:5110:0431:35
10:10
+0:01
20K
12.43 mi13:29:542:06:2710:1132:36
10:30
+0:20
Half
13.11 mi13:36:582:13:3110:117:04
10:21
-0:09
25K
15.53 mi14:02:092:38:4210:1325:11
10:23
+0:02
30K
18.64 mi14:35:413:12:1410:1933:32
10:48
+0:25
20M
20.00 mi14:50:413:27:1410:2215:00
11:02
+0:14
21M
21.00 mi15:03:123:39:4510:2812:31
12:31
+1:29
35K
21.75 mi15:11:393:48:1210:308:27
11:18
-1:13
23M
23.00 mi15:25:384:02:1110:3213:59
11:10
-0:08
24M
24.00 mi15:36:044:12:3710:3210:26
10:26
-0:44
40K
24.85 mi15:45:234:21:5610:329:19
10:54
+0:28
25.2M
25.20 mi15:49:204:25:5310:333:57
11:27
+0:33
Finish
26.22 mi15:58:514:35:2410:319:31
9:20
-2:07

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

9:20 /mi

Average Pace

10:31 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:14

15% of race

Time at Steady Pace

2:51:57

62% of race

Time at Slower Pace

1:03:13

23% of race

Average Pace: 10:30 /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 mi11:54:1030:439:5330:43
9:53
#25315
10K
6.21 mi12:25:431:02:1610:0131:33
10:09
#25496
15K
9.32 mi12:57:181:33:5110:0431:35
10:10
#25460
20K
12.43 mi13:29:542:06:2710:1132:36
10:30
#25383
Half
13.11 mi13:36:582:13:3110:117:04
10:21
#25382
25K
15.53 mi14:02:092:38:4210:1325:11
10:23
#25154
30K
18.64 mi14:35:413:12:1410:1933:32
10:48
#24890
20M
20.00 mi14:50:413:27:1410:2215:00
11:02
#24805
21M
21.00 mi15:03:123:39:4510:2812:31
12:31
#24789
35K
21.75 mi15:11:393:48:1210:308:27
11:18
#24795
23M
23.00 mi15:25:384:02:1110:3213:59
11:10
#24745
24M
24.00 mi15:36:044:12:3710:3210:26
10:26
#24657
40K
24.85 mi15:45:234:21:5610:329:19
10:54
#24619
25.2M
25.20 mi15:49:204:25:5310:333:57
11:27
#24584
Finish
26.22 mi15:58:514:35:2410:319:31
9:20
#24488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi25315148691486925344(Top 89%)14853(Top 92%)14853(Top 623%)
10K6.21 mi3.10 mi25496-18114936-6714936-6725633(Top 90%)14972(Top 93%)14972(Top 627%)
15K9.32 mi3.11 mi25460+3614923+1314923+1325344(Top 89%)14853(Top 92%)14853(Top 623%)
20K12.43 mi3.11 mi25383+7714868+5514868+5525184(Top 89%)14754(Top 92%)14754(Top 618%)
Half13.11 mi0.68 mi25382+114872-414872-425544(Top 90%)14901(Top 93%)14901(Top 625%)
25K15.53 mi2.42 mi25154+22814749+12314749+12324155(Top 85%)14264(Top 89%)14264(Top 598%)
30K18.64 mi3.11 mi24890+26414610+13914610+13923592(Top 83%)13881(Top 86%)13881(Top 582%)
20M20.00 mi1.36 mi24805+8514555+5514555+5523666(Top 83%)13832(Top 86%)13832(Top 580%)
21M21.00 mi1.00 mi24789+1614542+1314542+1324424(Top 86%)14113(Top 88%)14113(Top 591%)
35K21.75 mi0.75 mi24795-614533+914533+924766(Top 87%)14243(Top 88%)14243(Top 597%)
23M23.00 mi1.25 mi24745+5014495+3814495+3823606(Top 83%)13643(Top 85%)13643(Top 572%)
24M24.00 mi1.00 mi24657+8814437+5814437+5822634(Top 80%)13133(Top 82%)13133(Top 550%)
40K24.85 mi0.85 mi24619+3814407+3014407+3022899(Top 81%)13196(Top 82%)13196(Top 553%)
25.2M25.20 mi0.35 mi24584+3514391+1614391+1621935(Top 77%)12766(Top 79%)12766(Top 535%)
Finish26.22 mi1.02 mi24488+9614329+6214329+6220540(Top 72%)12081(Top 75%)12081(Top 506%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25344

Males

14853

M45-49

14853

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25633

Males

14972

M45-49

14972

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25344

Males

14853

M45-49

14853

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25184

Males

14754

M45-49

14754

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25544

Males

14901

M45-49

14901

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24155

Males

14264

M45-49

14264

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23592

Males

13881

M45-49

13881

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23666

Males

13832

M45-49

13832

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24424

Males

14113

M45-49

14113

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24766

Males

14243

M45-49

14243

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23606

Males

13643

M45-49

13643

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22634

Males

13133

M45-49

13133

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22899

Males

13196

M45-49

13196

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21935

Males

12766

M45-49

12766

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20540

Males

12081

M45-49

12081

Passing Analysis

Category:
Athletes Passed
1526
Passed By
699
Net Change
+827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25315
5K → 10K124305-181#25315#25496
10K → 15K144108+36#25496#25460
15K → 20K15881+77#25460#25383
20K → Half2322+1#25383#25382
Half → 25K24113+228#25382#25154
25K → 30K28218+264#25154#24890
30K → 20M10722+85#24890#24805
20M → 21M5438+16#24805#24789
21M → 35K3339-6#24789#24795
35K → 23M6919+50#24795#24745
23M → 24M946+88#24745#24657
24M → 40K5820+38#24657#24619
40K → 25.2M405+35#24619#24584
25.2M → Finish993+96#24584#24488
TOTALS1526699+827
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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