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BOSTON MARATHON 2025

Ian Sneller

Bib: 501•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:38
Rank: #392
Start → 5K
17:38 | 5:41/mi
10K· 6.21 mi
35:30
Rank: #457 (-65)
5K → 10K
17:52 | 5:45/mi
15K· 9.32 mi
53:49
Rank: #530 (-73)
10K → 15K
18:19 | 5:54/mi
20K· 12.43 mi
1:12:47
Rank: #627 (-97)
15K → 20K
18:58 | 6:06/mi
Half· 13.11 mi
1:16:57
Rank: #665 (-38)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:31:50
Rank: #730 (-65)
Half → 25K
14:53 | 6:08/mi
30K· 18.64 mi
1:51:24
Rank: #776 (-46)
25K → 30K
19:34 | 6:18/mi
20M
2:00:18
Rank: #798 (-22)
30K → 20M
8:54 | 6:33/mi
21M
2:07:01
Rank: #808 (-10)
20M → 21M
6:43 | 6:43/mi
35K· 21.75 mi
2:11:40
Rank: #806 (+2)
21M → 35K
4:39 | 6:13/mi
23M
2:19:52
Rank: #826 (-20)
35K → 23M
8:12 | 6:33/mi
24M
2:26:19
Rank: #843 (-17)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:31:50
Rank: #845 (-2)
24M → 40K
5:31 | 6:27/mi
25.2M
2:34:15
Rank: #853 (-8)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:40:41
Rank: #868 (-15)
25.2M → Finish
6:26 | 6:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:57
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:23:44
Pace6:23 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0317:385:4117:38
5:41
-
10K
6.21 mi10:35:5535:305:4317:52
5:45
+0:04
15K
9.32 mi10:54:1453:495:4618:19
5:54
+0:09
20K
12.43 mi11:13:121:12:475:5118:58
6:06
+0:12
Half
13.11 mi11:17:221:16:575:524:10
6:06
0:00
25K
15.53 mi11:32:151:31:505:5514:53
6:08
+0:02
30K
18.64 mi11:51:491:51:245:5919:34
6:18
+0:10
20M
20.00 mi12:00:432:00:186:018:54
6:33
+0:15
21M
21.00 mi12:07:262:07:016:036:43
6:43
+0:10
35K
21.75 mi12:12:052:11:406:034:39
6:13
-0:30
23M
23.00 mi12:20:172:19:526:058:12
6:33
+0:20
24M
24.00 mi12:26:442:26:196:066:27
6:27
-0:06
40K
24.85 mi12:32:152:31:506:075:31
6:27
0:00
25.2M
25.20 mi12:34:402:34:156:072:25
7:00
+0:33
Finish
26.22 mi12:41:062:40:416:086:26
6:19
-0:41

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

5:41 /mi

Average Pace

6:08 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:57

48% of race

Time at Steady Pace

57:30

36% of race

Time at Slower Pace

26:14

16% of race

Average Pace: 6:08 /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 mi10:18:0317:385:4117:38
5:41
#392
10K
6.21 mi10:35:5535:305:4317:52
5:45
#457
15K
9.32 mi10:54:1453:495:4618:19
5:54
#530
20K
12.43 mi11:13:121:12:475:5118:58
6:06
#627
Half
13.11 mi11:17:221:16:575:524:10
6:06
#665
25K
15.53 mi11:32:151:31:505:5514:53
6:08
#730
30K
18.64 mi11:51:491:51:245:5919:34
6:18
#776
20M
20.00 mi12:00:432:00:186:018:54
6:33
#798
21M
21.00 mi12:07:262:07:016:036:43
6:43
#808
35K
21.75 mi12:12:052:11:406:034:39
6:13
#806
23M
23.00 mi12:20:172:19:526:058:12
6:33
#826
24M
24.00 mi12:26:442:26:196:066:27
6:27
#843
40K
24.85 mi12:32:152:31:506:075:31
6:27
#845
25.2M
25.20 mi12:34:402:34:156:072:25
7:00
#853
Finish
26.22 mi12:41:062:40:416:086:26
6:19
#868
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi392359359747(Top 3%)699(Top 4%)699(Top 12%)
10K6.21 mi3.10 mi457-65420-61420-61533(Top 2%)495(Top 3%)495(Top 9%)
15K9.32 mi3.11 mi530-73492-72492-72747(Top 3%)699(Top 4%)699(Top 12%)
20K12.43 mi3.11 mi627-97580-88580-881182(Top 4%)1117(Top 7%)1117(Top 20%)
Half13.11 mi0.68 mi665-38618-38618-381520(Top 5%)1443(Top 9%)1443(Top 26%)
25K15.53 mi2.42 mi730-65682-64682-641222(Top 4%)1155(Top 7%)1155(Top 20%)
30K18.64 mi3.11 mi776-46727-45727-451192(Top 4%)1126(Top 7%)1126(Top 20%)
20M20.00 mi1.36 mi798-22748-21748-211788(Top 6%)1692(Top 11%)1692(Top 30%)
21M21.00 mi1.00 mi808-10758-10758-101232(Top 4%)1162(Top 7%)1162(Top 21%)
35K21.75 mi0.75 mi806+2756+2756+21247(Top 4%)1177(Top 7%)1177(Top 21%)
23M23.00 mi1.25 mi826-20774-18774-181610(Top 6%)1503(Top 9%)1503(Top 27%)
24M24.00 mi1.00 mi843-17790-16790-161826(Top 6%)1695(Top 11%)1695(Top 30%)
40K24.85 mi0.85 mi845-27907901418(Top 5%)1312(Top 8%)1312(Top 23%)
25.2M25.20 mi0.35 mi853-8798-8798-81451(Top 5%)1322(Top 8%)1322(Top 23%)
Finish26.22 mi1.02 mi868-15811-13811-131923(Top 7%)1767(Top 11%)1767(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

747

Males

699

M18-39

699

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

533

Males

495

M18-39

495

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

747

Males

699

M18-39

699

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1182

Males

1117

M18-39

1117

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1520

Males

1443

M18-39

1443

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1222

Males

1155

M18-39

1155

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1192

Males

1126

M18-39

1126

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1788

Males

1692

M18-39

1692

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1232

Males

1162

M18-39

1162

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1247

Males

1177

M18-39

1177

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1610

Males

1503

M18-39

1503

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1826

Males

1695

M18-39

1695

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1418

Males

1312

M18-39

1312

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1451

Males

1322

M18-39

1322

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1923

Males

1767

M18-39

1767

Passing Analysis

Category:
Athletes Passed
136
Passed By
612
Net Change
-476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#392
5K → 10K772-65#392#457
10K → 15K578-73#457#530
15K → 20K5102-97#530#627
20K → Half038-38#627#665
Half → 25K1176-65#665#730
25K → 30K1965-46#730#776
30K → 20M1234-22#776#798
20M → 21M1222-10#798#808
21M → 35K1513+2#808#806
35K → 23M1232-20#806#826
23M → 24M926-17#826#843
24M → 40K1214-2#843#845
40K → 25.2M513-8#845#853
25.2M → Finish1227-15#853#868
TOTALS136612-476
📊

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