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BOSTON MARATHON 2025

Sam Roston

Bib: 26176•M

ON

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0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
9:49/mi
30:30
↑ 97↓ 3451.5%
10K· 6.21 mi
10:31/mi
1:03:10
↑ 79↓ 1380.4%
15K· 9.32 mi
10:32/mi
1:35:54
↑ 67↓ 78
20K· 12.43 mi
10:57/mi
2:09:54
↑ 106↓ 860.1%
Half· 13.11 mi
10:07/mi
2:16:48
↑ 19↓ 370.5%
25K· 15.53 mi
11:11/mi
2:43:56
↑ 66↓ 880.2%
30K· 18.64 mi
11:37/mi
3:20:00
↑ 181↓ 1480.2%
20M
11:28/mi
3:35:35
↑ 64↓ 500.2%
21M
13:48/mi
3:49:23
↑ 106↓ 241.6%
35K· 21.75 mi
12:19/mi
3:58:36
↑ 17↓ 861.7%
23M
12:08/mi
4:13:47
↑ 23↓ 630.6%
24M
11:41/mi
4:25:28
↓ 821.3%
40K· 24.85 mi
11:55/mi
4:35:39
↓ 200.3%
25.2M
13:35/mi
4:40:20
↑ 13↓ 160.2%
Finish· 26.22 mi
10:49/mi
4:51:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:48
Pace10:26 /mi
2nd Half
Distance13.11 mi
Time2:34:33
Pace11:47 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1030:309:4930:30
9:49
-
10K
6.21 mi12:18:501:03:1010:1032:40
10:31
+0:42
15K
9.32 mi12:51:341:35:5410:1732:44
10:32
+0:01
20K
12.43 mi13:25:342:09:5410:2734:00
10:57
+0:25
Half
13.11 mi13:32:282:16:4810:266:54
10:07
-0:50
25K
15.53 mi13:59:362:43:5610:3327:08
11:11
+1:04
30K
18.64 mi14:35:403:20:0010:4436:04
11:37
+0:26
20M
20.00 mi14:51:153:35:3510:4715:35
11:28
-0:09
21M
21.00 mi15:05:033:49:2310:5513:48
13:48
+2:20
35K
21.75 mi15:14:163:58:3610:589:13
12:19
-1:29
23M
23.00 mi15:29:274:13:4711:0215:11
12:08
-0:11
24M
24.00 mi15:41:084:25:2811:0411:41
11:41
-0:27
40K
24.85 mi15:51:194:35:3911:0510:11
11:55
+0:14
25.2M
25.20 mi15:56:004:40:2011:074:41
13:35
+1:40
Finish
26.22 mi16:07:014:51:2111:0711:01
10:49
-2:46

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

9:49 /mi

Average Pace

11:07 /mi

Slowest Pace

13:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:49

39% of race

Time at Steady Pace

2:14:39

46% of race

Time at Slower Pace

42:53

15% of race

Average Pace: 11:07 /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 mi11:46:1030:309:4930:30
9:49
#25130
10K
6.21 mi12:18:501:03:1010:1032:40
10:31
#25840
15K
9.32 mi12:51:341:35:5410:1732:44
10:32
#25896
20K
12.43 mi13:25:342:09:5410:2734:00
10:57
#25892
Half
13.11 mi13:32:282:16:4810:266:54
10:07
#25862
25K
15.53 mi13:59:362:43:5610:3327:08
11:11
#25780
30K
18.64 mi14:35:403:20:0010:4436:04
11:37
#25640
20M
20.00 mi14:51:153:35:3510:4715:35
11:28
#25544
21M
21.00 mi15:05:033:49:2310:5513:48
13:48
#25581
35K
21.75 mi15:14:163:58:3610:589:13
12:19
#25629
23M
23.00 mi15:29:274:13:4711:0215:11
12:08
#25644
24M
24.00 mi15:41:084:25:2811:0411:41
11:41
#25641
40K
24.85 mi15:51:194:35:3911:0510:11
11:55
#25617
25.2M
25.20 mi15:56:004:40:2011:074:41
13:35
#25622
Finish
26.22 mi16:07:014:51:2111:0711:01
10:49
#25602
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25130147891478926006(Top 92%)15147(Top 94%)15147(Top 268%)
10K6.21 mi3.10 mi25840-71015093-30415093-30426292(Top 93%)15270(Top 95%)15270(Top 271%)
15K9.32 mi3.11 mi25896-5615113-2015113-2026006(Top 92%)15147(Top 94%)15147(Top 268%)
20K12.43 mi3.11 mi25892+415099+1415099+1425912(Top 91%)15084(Top 94%)15084(Top 267%)
Half13.11 mi0.68 mi25862+3015084+1515084+1525063(Top 88%)14703(Top 91%)14703(Top 261%)
25K15.53 mi2.42 mi25780+8215034+5015034+5025465(Top 90%)14851(Top 92%)14851(Top 263%)
30K18.64 mi3.11 mi25640+14014935+9914935+9925009(Top 88%)14529(Top 90%)14529(Top 258%)
20M20.00 mi1.36 mi25544+9614884+5114884+5124486(Top 86%)14208(Top 88%)14208(Top 252%)
21M21.00 mi1.00 mi25581-3714892-814892-826007(Top 92%)14891(Top 92%)14891(Top 264%)
35K21.75 mi0.75 mi25629-4814903-1114903-1126268(Top 92%)14975(Top 93%)14975(Top 265%)
23M23.00 mi1.25 mi25644-1514896+714896+725301(Top 89%)14480(Top 90%)14480(Top 257%)
24M24.00 mi1.00 mi25641+314879+1714879+1725223(Top 89%)14422(Top 90%)14422(Top 256%)
40K24.85 mi0.85 mi25617+2414858+2114858+2124776(Top 87%)14154(Top 88%)14154(Top 251%)
25.2M25.20 mi0.35 mi25622-5148581485825787(Top 91%)14638(Top 91%)14638(Top 259%)
Finish26.22 mi1.02 mi25602+2014838+2014838+2024975(Top 88%)14265(Top 89%)14265(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26006

Males

15147

M18-39

15147

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26292

Males

15270

M18-39

15270

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26006

Males

15147

M18-39

15147

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25912

Males

15084

M18-39

15084

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25063

Males

14703

M18-39

14703

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25465

Males

14851

M18-39

14851

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25009

Males

14529

M18-39

14529

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24486

Males

14208

M18-39

14208

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26007

Males

14891

M18-39

14891

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26268

Males

14975

M18-39

14975

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25301

Males

14480

M18-39

14480

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25223

Males

14422

M18-39

14422

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24776

Males

14154

M18-39

14154

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25787

Males

14638

M18-39

14638

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24975

Males

14265

M18-39

14265

Passing Analysis

Category:
Athletes Passed
965
Passed By
1437
Net Change
-472
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25130
5K → 10K38748-710#25130#25840
10K → 15K101157-56#25840#25896
15K → 20K131127+4#25896#25892
20K → Half355+30#25892#25862
Half → 25K13654+82#25862#25780
25K → 30K19454+140#25780#25640
30K → 20M10812+96#25640#25544
20M → 21M2663-37#25544#25581
21M → 35K2270-48#25581#25629
35K → 23M3954-15#25629#25644
23M → 24M4037+3#25644#25641
24M → 40K3915+24#25641#25617
40K → 25.2M1217-5#25617#25622
25.2M → Finish4424+20#25622#25602
TOTALS9651437-472
📊

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