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BOSTON MARATHON 2025

Roberto Roson

Bib: 18274•M

NY

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
8:34/mi
26:38
↑ 97↓ 3451.5%
10K· 6.21 mi
9:06/mi
54:55
↑ 79↓ 1380.4%
15K· 9.32 mi
9:02/mi
1:23:00
↑ 67↓ 78
20K· 12.43 mi
9:01/mi
1:51:01
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:57:07
↑ 19↓ 370.5%
25K· 15.53 mi
9:06/mi
2:19:11
↑ 66↓ 880.2%
30K· 18.64 mi
9:22/mi
2:48:18
↑ 181↓ 1480.2%
20M
9:25/mi
3:01:06
↑ 64↓ 500.2%
21M
10:17/mi
3:11:23
↑ 106↓ 241.6%
35K· 21.75 mi
10:20/mi
3:19:07
↑ 17↓ 861.7%
23M
11:46/mi
3:33:51
↑ 23↓ 630.6%
24M
9:53/mi
3:43:44
↓ 821.3%
40K· 24.85 mi
9:55/mi
3:52:13
↓ 200.3%
25.2M
10:50/mi
3:55:57
↑ 13↓ 160.2%
Finish· 26.22 mi
10:45/mi
4:06:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:07
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:09:47
Pace9:54 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3326:388:3426:38
8:34
-
10K
6.21 mi11:45:5054:558:5028:17
9:06
+0:32
15K
9.32 mi12:13:551:23:008:5428:05
9:02
-0:04
20K
12.43 mi12:41:561:51:018:5628:01
9:01
-0:01
Half
13.11 mi12:48:021:57:078:566:06
8:56
-0:05
25K
15.53 mi13:10:062:19:118:5822:04
9:06
+0:10
30K
18.64 mi13:39:132:48:189:0229:07
9:22
+0:16
20M
20.00 mi13:52:013:01:069:0312:48
9:25
+0:03
21M
21.00 mi14:02:183:11:239:0710:17
10:17
+0:52
35K
21.75 mi14:10:023:19:079:097:44
10:20
+0:03
23M
23.00 mi14:24:463:33:519:1814:44
11:46
+1:26
24M
24.00 mi14:34:393:43:449:199:53
9:53
-1:53
40K
24.85 mi14:43:083:52:139:218:29
9:55
+0:02
25.2M
25.20 mi14:46:523:55:579:223:44
10:50
+0:55
Finish
26.22 mi14:57:494:06:549:2510:57
10:45
-0:05

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

8:34 /mi

Average Pace

9:25 /mi

Slowest Pace

11:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:44

13% of race

Time at Steady Pace

2:28:22

60% of race

Time at Slower Pace

1:05:48

27% of race

Average Pace: 9:25 /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 mi11:17:3326:388:3426:38
8:34
#20309
10K
6.21 mi11:45:5054:558:5028:17
9:06
#21647
15K
9.32 mi12:13:551:23:008:5428:05
9:02
#21836
20K
12.43 mi12:41:561:51:018:5628:01
9:01
#21623
Half
13.11 mi12:48:021:57:078:566:06
8:56
#21620
25K
15.53 mi13:10:062:19:118:5822:04
9:06
#21381
30K
18.64 mi13:39:132:48:189:0229:07
9:22
#21003
20M
20.00 mi13:52:013:01:069:0312:48
9:25
#20813
21M
21.00 mi14:02:183:11:239:0710:17
10:17
#20699
35K
21.75 mi14:10:023:19:079:097:44
10:20
#20834
23M
23.00 mi14:24:463:33:519:1814:44
11:46
#21218
24M
24.00 mi14:34:393:43:449:199:53
9:53
#21217
40K
24.85 mi14:43:083:52:139:218:29
9:55
#21170
25.2M
25.20 mi14:46:523:55:579:223:44
10:50
#21146
Finish
26.22 mi14:57:494:06:549:2510:57
10:45
#21329
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20309125651256522205(Top 78%)13475(Top 84%)13475(Top 818%)
10K6.21 mi3.10 mi21647-133813173-60813173-60822823(Top 80%)13728(Top 85%)13728(Top 833%)
15K9.32 mi3.11 mi21836-18913266-9313266-9322205(Top 78%)13475(Top 84%)13475(Top 818%)
20K12.43 mi3.11 mi21623+21313171+9513171+9521063(Top 74%)12910(Top 80%)12910(Top 783%)
Half13.11 mi0.68 mi21620+313168+313168+321547(Top 76%)13151(Top 82%)13151(Top 798%)
25K15.53 mi2.42 mi21381+23913062+10613062+10620362(Top 72%)12575(Top 78%)12575(Top 763%)
30K18.64 mi3.11 mi21003+37812857+20512857+20519426(Top 68%)12026(Top 75%)12026(Top 730%)
20M20.00 mi1.36 mi20813+19012755+10212755+10218827(Top 66%)11609(Top 72%)11609(Top 704%)
21M21.00 mi1.00 mi20699+11412686+6912686+6919295(Top 68%)11756(Top 73%)11756(Top 713%)
35K21.75 mi0.75 mi20834-13512731-4512731-4522778(Top 80%)13289(Top 83%)13289(Top 806%)
23M23.00 mi1.25 mi21218-38412884-15312884-15324701(Top 87%)14189(Top 88%)14189(Top 861%)
24M24.00 mi1.00 mi21217+112863+2112863+2120995(Top 74%)12345(Top 77%)12345(Top 749%)
40K24.85 mi0.85 mi21170+4712821+4212821+4220188(Top 71%)11890(Top 74%)11890(Top 721%)
25.2M25.20 mi0.35 mi21146+2412803+1812803+1820099(Top 71%)11841(Top 74%)11841(Top 719%)
Finish26.22 mi1.02 mi21329-18312873-7012873-7024826(Top 87%)14183(Top 88%)14183(Top 861%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22205

Males

13475

M55-59

13475

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22823

Males

13728

M55-59

13728

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22205

Males

13475

M55-59

13475

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21063

Males

12910

M55-59

12910

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21547

Males

13151

M55-59

13151

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20362

Males

12575

M55-59

12575

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19426

Males

12026

M55-59

12026

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18827

Males

11609

M55-59

11609

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19295

Males

11756

M55-59

11756

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22778

Males

13289

M55-59

13289

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24701

Males

14189

M55-59

14189

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

20995

Males

12345

M55-59

12345

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20188

Males

11890

M55-59

11890

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20099

Males

11841

M55-59

11841

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24826

Males

14183

M55-59

14183

Passing Analysis

Category:
Athletes Passed
1787
Passed By
2807
Net Change
-1020
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20309
5K → 10K261364-1338#20309#21647
10K → 15K146335-189#21647#21836
15K → 20K31097+213#21836#21623
20K → Half3229+3#21623#21620
Half → 25K27031+239#21620#21381
25K → 30K41436+378#21381#21003
30K → 20M21121+190#21003#20813
20M → 21M15238+114#20813#20699
21M → 35K25160-135#20699#20834
35K → 23M29413-384#20834#21218
23M → 24M5655+1#21218#21217
24M → 40K7225+47#21217#21170
40K → 25.2M3612+24#21170#21146
25.2M → Finish8191-183#21146#21329
TOTALS17872807-1020
📊

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