Boston Marathon logo
BOSTON MARATHON 2025

Samuel Attwood

Bib: 1779•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:10
Rank: #706
Start → 5K
18:10 | 5:51/mi
10K· 6.21 mi
36:51
Rank: #891 (-185)
5K → 10K
18:41 | 6:01/mi
15K· 9.32 mi
55:36
Rank: #963 (-72)
10K → 15K
18:45 | 6:02/mi
20K· 12.43 mi
1:14:41
Rank: #1025 (-62)
15K → 20K
19:05 | 6:09/mi
Half· 13.11 mi
1:18:48
Rank: #1023 (+2)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:33:50
Rank: #1069 (-46)
Half → 25K
15:02 | 6:12/mi
30K· 18.64 mi
1:53:40
Rank: #1115 (-46)
25K → 30K
19:50 | 6:23/mi
20M
2:02:30
Rank: #1130 (-15)
30K → 20M
8:50 | 6:30/mi
21M
2:09:16
Rank: #1115 (+15)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:13:55
Rank: #1105 (+10)
21M → 35K
4:39 | 6:13/mi
23M
2:21:51
Rank: #1063 (+42)
35K → 23M
7:56 | 6:20/mi
24M
2:28:02
Rank: #1047 (+16)
23M → 24M
6:11 | 6:11/mi
40K· 24.85 mi
2:33:23
Rank: #1019 (+28)
24M → 40K
5:21 | 6:15/mi
25.2M
2:35:43
Rank: #1011 (+8)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:41:52
Rank: #992 (+19)
25.2M → Finish
6:09 | 6:02/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:48
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:23:04
Pace6:20 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3018:105:5118:10
5:51
-
10K
6.21 mi10:37:1136:515:5618:41
6:01
+0:10
15K
9.32 mi10:55:5655:365:5818:45
6:02
+0:01
20K
12.43 mi11:15:011:14:416:0119:05
6:09
+0:07
Half
13.11 mi11:19:081:18:486:014:07
6:02
-0:07
25K
15.53 mi11:34:101:33:506:0215:02
6:12
+0:10
30K
18.64 mi11:54:001:53:406:0619:50
6:23
+0:11
20M
20.00 mi12:02:502:02:306:078:50
6:30
+0:07
21M
21.00 mi12:09:362:09:166:096:46
6:46
+0:16
35K
21.75 mi12:14:152:13:556:094:39
6:13
-0:33
23M
23.00 mi12:22:112:21:516:107:56
6:20
+0:07
24M
24.00 mi12:28:222:28:026:106:11
6:11
-0:09
40K
24.85 mi12:33:432:33:236:105:21
6:15
+0:04
25.2M
25.20 mi12:36:032:35:436:112:20
6:46
+0:31
Finish
26.22 mi12:42:122:41:526:116:09
6:02
-0:44

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

5:51 /mi

Average Pace

6:11 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:56

89% of race

Time at Steady Pace

17:56

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:10 /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 mi10:18:3018:105:5118:10
5:51
#706
10K
6.21 mi10:37:1136:515:5618:41
6:01
#891
15K
9.32 mi10:55:5655:365:5818:45
6:02
#963
20K
12.43 mi11:15:011:14:416:0119:05
6:09
#1025
Half
13.11 mi11:19:081:18:486:014:07
6:02
#1023
25K
15.53 mi11:34:101:33:506:0215:02
6:12
#1069
30K
18.64 mi11:54:001:53:406:0619:50
6:23
#1115
20M
20.00 mi12:02:502:02:306:078:50
6:30
#1130
21M
21.00 mi12:09:362:09:166:096:46
6:46
#1115
35K
21.75 mi12:14:152:13:556:094:39
6:13
#1105
23M
23.00 mi12:22:112:21:516:107:56
6:20
#1063
24M
24.00 mi12:28:222:28:026:106:11
6:11
#1047
40K
24.85 mi12:33:432:33:236:105:21
6:15
#1019
25.2M
25.20 mi12:36:032:35:436:112:20
6:46
#1011
Finish
26.22 mi12:42:122:41:526:116:09
6:02
#992
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7066566561146(Top 4%)1084(Top 7%)1084(Top 19%)
10K6.21 mi3.10 mi891-185837-181837-1811134(Top 4%)1072(Top 7%)1072(Top 19%)
15K9.32 mi3.11 mi963-72907-70907-701146(Top 4%)1084(Top 7%)1084(Top 19%)
20K12.43 mi3.11 mi1025-62965-58965-581324(Top 5%)1253(Top 8%)1253(Top 22%)
Half13.11 mi0.68 mi1023+2963+2963+21251(Top 4%)1185(Top 7%)1185(Top 21%)
25K15.53 mi2.42 mi1069-461008-451008-451439(Top 5%)1367(Top 8%)1367(Top 24%)
30K18.64 mi3.11 mi1115-461051-431051-431478(Top 5%)1398(Top 9%)1398(Top 25%)
20M20.00 mi1.36 mi1130-151066-151066-151604(Top 6%)1515(Top 9%)1515(Top 27%)
21M21.00 mi1.00 mi1115+151050+161050+161406(Top 5%)1326(Top 8%)1326(Top 24%)
35K21.75 mi0.75 mi1105+101042+81042+81251(Top 4%)1181(Top 7%)1181(Top 21%)
23M23.00 mi1.25 mi1063+421001+411001+41958(Top 3%)902(Top 6%)902(Top 16%)
24M24.00 mi1.00 mi1047+16986+15986+15964(Top 3%)906(Top 6%)906(Top 16%)
40K24.85 mi0.85 mi1019+28958+28958+28869(Top 3%)815(Top 5%)815(Top 14%)
25.2M25.20 mi0.35 mi1011+8950+8950+8881(Top 3%)814(Top 5%)814(Top 14%)
Finish26.22 mi1.02 mi992+19932+18932+181002(Top 4%)940(Top 6%)940(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1146

Males

1084

M18-39

1084

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1134

Males

1072

M18-39

1072

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1146

Males

1084

M18-39

1084

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1324

Males

1253

M18-39

1253

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1251

Males

1185

M18-39

1185

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1439

Males

1367

M18-39

1367

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1478

Males

1398

M18-39

1398

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1604

Males

1515

M18-39

1515

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1406

Males

1326

M18-39

1326

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1251

Males

1181

M18-39

1181

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

958

Males

902

M18-39

902

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

964

Males

906

M18-39

906

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

869

Males

815

M18-39

815

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

881

Males

814

M18-39

814

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1002

Males

940

M18-39

940

Passing Analysis

Category:
Athletes Passed
316
Passed By
602
Net Change
-286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#706
5K → 10K4189-185#706#891
10K → 15K981-72#891#963
15K → 20K2082-62#963#1025
20K → Half53+2#1025#1023
Half → 25K1662-46#1023#1069
25K → 30K3682-46#1069#1115
30K → 20M2641-15#1115#1130
20M → 21M3520+15#1130#1115
21M → 35K166+10#1115#1105
35K → 23M6018+42#1105#1063
23M → 24M215+16#1063#1047
24M → 40K346+28#1047#1019
40K → 25.2M124+8#1019#1011
25.2M → Finish223+19#1011#992
TOTALS316602-286
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing