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BOSTON MARATHON 2025

Tony Ong

Bib: 27368•M

VT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:33
Rank: #25159
Start → 5K
30:33 | 9:50/mi
10K· 6.21 mi
1:02:22
Rank: #25527 (-368)
5K → 10K
31:49 | 10:14/mi
15K· 9.32 mi
1:33:58
Rank: #25495 (+32)
10K → 15K
31:36 | 10:10/mi
20K· 12.43 mi
2:05:02
Rank: #25158 (+337)
15K → 20K
31:04 | 10:00/mi
Half· 13.11 mi
2:11:24
Rank: #25053 (+105)
20K → Half
6:22 | 9:20/mi
25K· 15.53 mi
2:36:48
Rank: #24926 (+127)
Half → 25K
25:24 | 10:29/mi
30K· 18.64 mi
3:08:50
Rank: #24515 (+411)
25K → 30K
32:02 | 10:19/mi
20M
3:22:40
Rank: #24329 (+186)
30K → 20M
13:50 | 10:11/mi
21M
3:34:19
Rank: #24242 (+87)
20M → 21M
11:39 | 11:39/mi
35K· 21.75 mi
3:43:17
Rank: #24321 (-79)
21M → 35K
8:58 | 11:59/mi
23M
3:56:49
Rank: #24241 (+80)
35K → 23M
13:32 | 10:49/mi
24M
4:09:19
Rank: #24377 (-136)
23M → 24M
12:30 | 12:30/mi
40K· 24.85 mi
4:19:23
Rank: #24407 (-30)
24M → 40K
10:04 | 11:46/mi
25.2M
4:23:56
Rank: #24423 (-16)
40K → 25.2M
4:33 | 13:12/mi
Finish· 26.22 mi
4:34:11
Rank: #24382 (+41)
25.2M → Finish
10:15 | 10:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:24
Pace10:01 /mi
2nd Half
Distance13.11 mi
Time2:22:47
Pace10:54 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:4830:339:5030:33
9:50
-
10K
6.21 mi12:30:371:02:2210:0231:49
10:14
+0:24
15K
9.32 mi13:02:131:33:5810:0531:36
10:10
-0:04
20K
12.43 mi13:33:172:05:0210:0431:04
10:00
-0:10
Half
13.11 mi13:39:392:11:2410:016:22
9:20
-0:40
25K
15.53 mi14:05:032:36:4810:0625:24
10:29
+1:09
30K
18.64 mi14:37:053:08:5010:0832:02
10:19
-0:10
20M
20.00 mi14:50:553:22:4010:0813:50
10:11
-0:08
21M
21.00 mi15:02:343:34:1910:1211:39
11:39
+1:28
35K
21.75 mi15:11:323:43:1710:168:58
11:59
+0:20
23M
23.00 mi15:25:043:56:4910:1813:32
10:49
-1:10
24M
24.00 mi15:37:344:09:1910:2312:30
12:30
+1:41
40K
24.85 mi15:47:384:19:2310:2610:04
11:46
-0:44
25.2M
25.20 mi15:52:114:23:5610:284:33
13:12
+1:26
Finish
26.22 mi16:02:264:34:1110:2810:15
10:04
-3:08

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

10:28 /mi

Slowest Pace

13:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:22

2% of race

Time at Steady Pace

3:40:05

80% of race

Time at Slower Pace

47:44

17% of race

Average Pace: 10:27 /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 mi11:58:4830:339:5030:33
9:50
#25159
10K
6.21 mi12:30:371:02:2210:0231:49
10:14
#25527
15K
9.32 mi13:02:131:33:5810:0531:36
10:10
#25495
20K
12.43 mi13:33:172:05:0210:0431:04
10:00
#25158
Half
13.11 mi13:39:392:11:2410:016:22
9:20
#25053
25K
15.53 mi14:05:032:36:4810:0625:24
10:29
#24926
30K
18.64 mi14:37:053:08:5010:0832:02
10:19
#24515
20M
20.00 mi14:50:553:22:4010:0813:50
10:11
#24329
21M
21.00 mi15:02:343:34:1910:1211:39
11:39
#24242
35K
21.75 mi15:11:323:43:1710:168:58
11:59
#24321
23M
23.00 mi15:25:043:56:4910:1813:32
10:49
#24241
24M
24.00 mi15:37:344:09:1910:2312:30
12:30
#24377
40K
24.85 mi15:47:384:19:2310:2610:04
11:46
#24407
25.2M
25.20 mi15:52:114:23:5610:284:33
13:12
#24423
Finish
26.22 mi16:02:264:34:1110:2810:15
10:04
#24382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi25159148021480225354(Top 89%)14859(Top 92%)14859(Top 744%)
10K6.21 mi3.10 mi25527-36814949-14714949-14725813(Top 91%)15055(Top 93%)15055(Top 754%)
15K9.32 mi3.11 mi25495+3214939+1014939+1025354(Top 89%)14859(Top 92%)14859(Top 744%)
20K12.43 mi3.11 mi25158+33714773+16614773+16624214(Top 85%)14313(Top 89%)14313(Top 717%)
Half13.11 mi0.68 mi25053+10514721+5214721+5223062(Top 81%)13825(Top 86%)13825(Top 693%)
25K15.53 mi2.42 mi24926+12714652+6914652+6924335(Top 86%)14346(Top 89%)14346(Top 719%)
30K18.64 mi3.11 mi24515+41114439+21314439+21322481(Top 79%)13388(Top 83%)13388(Top 671%)
20M20.00 mi1.36 mi24329+18614340+9914340+9921513(Top 76%)12826(Top 80%)12826(Top 643%)
21M21.00 mi1.00 mi24242+8714284+5614284+5622923(Top 81%)13408(Top 83%)13408(Top 672%)
35K21.75 mi0.75 mi24321-7914311-2714311-2725837(Top 91%)14749(Top 92%)14749(Top 739%)
23M23.00 mi1.25 mi24241+8014253+5814253+5822766(Top 80%)13232(Top 82%)13232(Top 663%)
24M24.00 mi1.00 mi24377-13614309-5614309-5626306(Top 93%)14967(Top 93%)14967(Top 750%)
40K24.85 mi0.85 mi24407-3014323-1414323-1424592(Top 87%)14062(Top 87%)14062(Top 705%)
25.2M25.20 mi0.35 mi24423-16143231432325288(Top 89%)14388(Top 89%)14388(Top 721%)
Finish26.22 mi1.02 mi24382+4114281+4214281+4223105(Top 81%)13333(Top 83%)13333(Top 668%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25354

Males

14859

M50-54

14859

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25813

Males

15055

M50-54

15055

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25354

Males

14859

M50-54

14859

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

24214

Males

14313

M50-54

14313

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23062

Males

13825

M50-54

13825

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24335

Males

14346

M50-54

14346

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22481

Males

13388

M50-54

13388

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21513

Males

12826

M50-54

12826

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

22923

Males

13408

M50-54

13408

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25837

Males

14749

M50-54

14749

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

22766

Males

13232

M50-54

13232

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

26306

Males

14967

M50-54

14967

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24592

Males

14062

M50-54

14062

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25288

Males

14388

M50-54

14388

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

23105

Males

13333

M50-54

13333

Passing Analysis

Category:
Athletes Passed
1799
Passed By
1022
Net Change
+777
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25159
5K → 10K84452-368#25159#25527
10K → 15K136104+32#25527#25495
15K → 20K35114+337#25495#25158
20K → Half1072+105#25158#25053
Half → 25K17447+127#25053#24926
25K → 30K4132+411#24926#24515
30K → 20M1904+186#24515#24329
20M → 21M11427+87#24329#24242
21M → 35K1493-79#24242#24321
35K → 23M10424+80#24321#24241
23M → 24M19155-136#24241#24377
24M → 40K2353-30#24377#24407
40K → 25.2M925-16#24407#24423
25.2M → Finish6120+41#24423#24382
TOTALS17991022+777
📊

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