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BOSTON MARATHON 2025

Eian Butler

Bib: 2690•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 44%
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
6:30/mi
20:13
↑ 97↓ 3451.5%
10K· 6.21 mi
6:34/mi
40:37
↑ 79↓ 1380.4%
15K· 9.32 mi
6:24/mi
1:00:30
↑ 67↓ 78
20K· 12.43 mi
6:42/mi
1:21:20
↑ 106↓ 860.1%
Half· 13.11 mi
6:39/mi
1:25:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:07/mi
1:43:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:09:12
↑ 181↓ 1480.2%
20M
8:26/mi
2:20:39
↑ 64↓ 500.2%
21M
8:26/mi
2:29:05
↑ 106↓ 241.6%
35K· 21.75 mi
9:15/mi
2:36:00
↑ 17↓ 861.7%
23M
9:20/mi
2:47:41
↑ 23↓ 630.6%
24M
9:47/mi
2:57:28
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:05:09
↓ 200.3%
25.2M
8:48/mi
3:08:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:16:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:52
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:50:19
Pace8:25 /mi
📊Positive Split: 28.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3220:136:3020:13
6:30
-
10K
6.21 mi10:41:5640:376:3220:24
6:34
+0:04
15K
9.32 mi11:01:491:00:306:2919:53
6:24
-0:10
20K
12.43 mi11:22:391:21:206:3320:50
6:42
+0:18
Half
13.11 mi11:27:111:25:526:334:32
6:39
-0:03
25K
15.53 mi11:44:261:43:076:3817:15
7:07
+0:28
30K
18.64 mi12:10:312:09:126:5626:05
8:24
+1:17
20M
20.00 mi12:21:582:20:397:0211:27
8:26
+0:02
21M
21.00 mi12:30:242:29:057:068:26
8:26
0:00
35K
21.75 mi12:37:192:36:007:106:55
9:15
+0:49
23M
23.00 mi12:49:002:47:417:1711:41
9:20
+0:05
24M
24.00 mi12:58:472:57:287:249:47
9:47
+0:27
40K
24.85 mi13:06:283:05:097:277:41
8:59
-0:48
25.2M
25.20 mi13:09:303:08:117:283:02
8:48
-0:11
Finish
26.22 mi13:17:303:16:117:298:00
7:51
-0:57

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

6:24 /mi

Average Pace

7:29 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:07

53% of race

Time at Steady Pace

57:00

29% of race

Time at Slower Pace

36:04

18% of race

Average Pace: 7:29 /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 mi10:21:3220:136:3020:13
6:30
#3864
10K
6.21 mi10:41:5640:376:3220:24
6:34
#4018
15K
9.32 mi11:01:491:00:306:2919:53
6:24
#3622
20K
12.43 mi11:22:391:21:206:3320:50
6:42
#3791
Half
13.11 mi11:27:111:25:526:334:32
6:39
#3820
25K
15.53 mi11:44:261:43:076:3817:15
7:07
#4274
30K
18.64 mi12:10:312:09:126:5626:05
8:24
#6187
20M
20.00 mi12:21:582:20:397:0211:27
8:26
#6583
21M
21.00 mi12:30:242:29:057:068:26
8:26
#6695
35K
21.75 mi12:37:192:36:007:106:55
9:15
#7133
23M
23.00 mi12:49:002:47:417:1711:41
9:20
#7740
24M
24.00 mi12:58:472:57:287:249:47
9:47
#8462
40K
24.85 mi13:06:283:05:097:277:41
8:59
#8799
25.2M
25.20 mi13:09:303:08:117:283:02
8:48
#8816
Finish
26.22 mi13:17:303:16:117:298:00
7:51
#8916
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3864365636562923(Top 10%)2787(Top 17%)2787(Top 49%)
10K6.21 mi3.10 mi4018-1543792-1363792-1364171(Top 15%)3921(Top 24%)3921(Top 69%)
15K9.32 mi3.11 mi3622+3963429+3633429+3632923(Top 10%)2787(Top 17%)2787(Top 49%)
20K12.43 mi3.11 mi3791-1693575-1463575-1464461(Top 16%)4156(Top 26%)4156(Top 74%)
Half13.11 mi0.68 mi3820-293602-273602-274697(Top 17%)4360(Top 27%)4360(Top 77%)
25K15.53 mi2.42 mi4274-4544009-4074009-4077043(Top 25%)6145(Top 38%)6145(Top 109%)
30K18.64 mi3.11 mi6187-19135580-15715580-157114100(Top 50%)9627(Top 60%)9627(Top 171%)
20M20.00 mi1.36 mi6583-3965870-2905870-29013281(Top 47%)9104(Top 57%)9104(Top 161%)
21M21.00 mi1.00 mi6695-1125934-645934-6410001(Top 35%)7352(Top 46%)7352(Top 130%)
35K21.75 mi0.75 mi7133-4386225-2916225-29119318(Top 68%)11644(Top 72%)11644(Top 206%)
23M23.00 mi1.25 mi7740-6076572-3476572-34717888(Top 63%)10900(Top 68%)10900(Top 193%)
24M24.00 mi1.00 mi8462-7226988-4166988-41620648(Top 73%)12169(Top 76%)12169(Top 216%)
40K24.85 mi0.85 mi8799-3377144-1567144-15616174(Top 57%)9979(Top 62%)9979(Top 177%)
25.2M25.20 mi0.35 mi8816-177141+37141+310439(Top 37%)7134(Top 44%)7134(Top 126%)
Finish26.22 mi1.02 mi8916-1007164-237164-2311740(Top 41%)7880(Top 49%)7880(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2923

Males

2787

M18-39

2787

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4171

Males

3921

M18-39

3921

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2923

Males

2787

M18-39

2787

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4461

Males

4156

M18-39

4156

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4697

Males

4360

M18-39

4360

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7043

Males

6145

M18-39

6145

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14100

Males

9627

M18-39

9627

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13281

Males

9104

M18-39

9104

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

10001

Males

7352

M18-39

7352

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19318

Males

11644

M18-39

11644

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17888

Males

10900

M18-39

10900

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20648

Males

12169

M18-39

12169

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16174

Males

9979

M18-39

9979

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10439

Males

7134

M18-39

7134

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11740

Males

7880

M18-39

7880

Passing Analysis

Category:
Athletes Passed
775
Passed By
5827
Net Change
-5052
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3864
5K → 10K90244-154#3864#4018
10K → 15K4004+396#4018#3622
15K → 20K50219-169#3622#3791
20K → Half534-29#3791#3820
Half → 25K18472-454#3820#4274
25K → 30K141927-1913#4274#6187
30K → 20M26422-396#6187#6583
20M → 21M34146-112#6583#6695
21M → 35K8446-438#6695#7133
35K → 23M17624-607#7133#7740
23M → 24M6728-722#7740#8462
24M → 40K27364-337#8462#8799
40K → 25.2M2946-17#8799#8816
25.2M → Finish51151-100#8816#8916
TOTALS7755827-5052
📊

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