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BOSTON MARATHON 2025

Daniel Antoniak

Bib: 19322•M

IL

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
8:08/mi
25:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
52:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:19:45
↑ 67↓ 78
20K· 12.43 mi
9:13/mi
1:48:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:54:27
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:16:55
↑ 66↓ 880.2%
30K· 18.64 mi
9:50/mi
2:47:29
↑ 181↓ 1480.2%
20M
10:06/mi
3:01:13
↑ 64↓ 500.2%
21M
10:36/mi
3:11:49
↑ 106↓ 241.6%
35K· 21.75 mi
9:53/mi
3:19:13
↑ 17↓ 861.7%
23M
9:58/mi
3:31:42
↑ 23↓ 630.6%
24M
9:47/mi
3:41:29
↓ 821.3%
40K· 24.85 mi
9:49/mi
3:49:53
↓ 200.3%
25.2M
11:45/mi
3:53:56
↑ 13↓ 160.2%
Finish· 26.22 mi
10:09/mi
4:04:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:27
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:09:50
Pace9:54 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3625:168:0825:16
8:08
-
10K
6.21 mi11:44:2952:098:2426:53
8:39
+0:31
15K
9.32 mi12:12:051:19:458:3327:36
8:53
+0:14
20K
12.43 mi12:40:421:48:228:4328:37
9:13
+0:20
Half
13.11 mi12:46:471:54:278:446:05
8:55
-0:18
25K
15.53 mi13:09:152:16:558:4922:28
9:16
+0:21
30K
18.64 mi13:39:492:47:298:5930:34
9:50
+0:34
20M
20.00 mi13:53:333:01:139:0413:44
10:06
+0:16
21M
21.00 mi14:04:093:11:499:0810:36
10:36
+0:30
35K
21.75 mi14:11:333:19:139:107:24
9:53
-0:43
23M
23.00 mi14:24:023:31:429:1212:29
9:58
+0:05
24M
24.00 mi14:33:493:41:299:149:47
9:47
-0:11
40K
24.85 mi14:42:133:49:539:158:24
9:49
+0:02
25.2M
25.20 mi14:46:163:53:569:174:03
11:45
+1:56
Finish
26.22 mi14:56:374:04:179:1910:21
10:09
-1:36

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

8:08 /mi

Average Pace

9:19 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:55

56% of race

Time at Steady Pace

1:32:43

38% of race

Time at Slower Pace

14:39

6% of race

Average Pace: 9:19 /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 mi11:17:3625:168:0825:16
8:08
#17589
10K
6.21 mi11:44:2952:098:2426:53
8:39
#19193
15K
9.32 mi12:12:051:19:458:3327:36
8:53
#20009
20K
12.43 mi12:40:421:48:228:4328:37
9:13
#20527
Half
13.11 mi12:46:471:54:278:446:05
8:55
#20575
25K
15.53 mi13:09:152:16:558:4922:28
9:16
#20689
30K
18.64 mi13:39:492:47:298:5930:34
9:50
#20793
20M
20.00 mi13:53:333:01:139:0413:44
10:06
#20854
21M
21.00 mi14:04:093:11:499:0810:36
10:36
#20803
35K
21.75 mi14:11:333:19:139:107:24
9:53
#20856
23M
23.00 mi14:24:023:31:429:1212:29
9:58
#20844
24M
24.00 mi14:33:493:41:299:149:47
9:47
#20857
40K
24.85 mi14:42:133:49:539:158:24
9:49
#20816
25.2M
25.20 mi14:46:163:53:569:174:03
11:45
#20840
Finish
26.22 mi14:56:374:04:179:1910:21
10:09
#20934
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17589114521145221476(Top 76%)13155(Top 82%)13155(Top 798%)
10K6.21 mi3.10 mi19193-160412133-68112133-68120616(Top 73%)12749(Top 79%)12749(Top 774%)
15K9.32 mi3.11 mi20009-81612481-34812481-34821476(Top 76%)13155(Top 82%)13155(Top 798%)
20K12.43 mi3.11 mi20527-51812694-21312694-21321919(Top 77%)13316(Top 83%)13316(Top 808%)
Half13.11 mi0.68 mi20575-4812717-2312717-2321441(Top 75%)13097(Top 81%)13097(Top 795%)
25K15.53 mi2.42 mi20689-11412763-4612763-4621032(Top 74%)12860(Top 80%)12860(Top 780%)
30K18.64 mi3.11 mi20793-10412754+912754+921114(Top 74%)12769(Top 79%)12769(Top 775%)
20M20.00 mi1.36 mi20854-6112775-2112775-2121289(Top 75%)12721(Top 79%)12721(Top 772%)
21M21.00 mi1.00 mi20803+5112738+3712738+3720312(Top 72%)12179(Top 76%)12179(Top 739%)
35K21.75 mi0.75 mi20856-53127381273821584(Top 76%)12711(Top 79%)12711(Top 771%)
23M23.00 mi1.25 mi20844+1212715+2312715+2320383(Top 72%)12098(Top 75%)12098(Top 734%)
24M24.00 mi1.00 mi20857-1312699+1612699+1620666(Top 73%)12187(Top 76%)12187(Top 740%)
40K24.85 mi0.85 mi20816+4112666+3312666+3319886(Top 70%)11748(Top 73%)11748(Top 713%)
25.2M25.20 mi0.35 mi20840-2412659+712659+722643(Top 80%)13098(Top 81%)13098(Top 795%)
Finish26.22 mi1.02 mi20934-9412685-2612685-2623391(Top 82%)13462(Top 84%)13462(Top 817%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21476

Males

13155

M55-59

13155

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20616

Males

12749

M55-59

12749

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21476

Males

13155

M55-59

13155

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21919

Males

13316

M55-59

13316

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21441

Males

13097

M55-59

13097

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

21032

Males

12860

M55-59

12860

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

21114

Males

12769

M55-59

12769

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21289

Males

12721

M55-59

12721

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

20312

Males

12179

M55-59

12179

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21584

Males

12711

M55-59

12711

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20383

Males

12098

M55-59

12098

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20666

Males

12187

M55-59

12187

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19886

Males

11748

M55-59

11748

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22643

Males

13098

M55-59

13098

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23391

Males

13462

M55-59

13462

Passing Analysis

Category:
Athletes Passed
952
Passed By
4297
Net Change
-3345
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17589
5K → 10K231627-1604#17589#19193
10K → 15K39855-816#19193#20009
15K → 20K72590-518#20009#20527
20K → Half2068-48#20527#20575
Half → 25K112226-114#20575#20689
25K → 30K187291-104#20689#20793
30K → 20M79140-61#20793#20854
20M → 21M11463+51#20854#20803
21M → 35K4396-53#20803#20856
35K → 23M9886+12#20856#20844
23M → 24M5871-13#20844#20857
24M → 40K6423+41#20857#20816
40K → 25.2M2650-24#20816#20840
25.2M → Finish17111-94#20840#20934
TOTALS9524297-3345
📊

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