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BOSTON MARATHON 2025

Ethan Segall

Bib: 16581•M

NY

0:00
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

Start
0:00:00
Race begins
5K· 3.11 mi
26:32
Rank: #20121
Start → 5K
26:32 | 8:32/mi
10K· 6.21 mi
53:27
Rank: #20402 (-281)
5K → 10K
26:55 | 8:40/mi
15K· 9.32 mi
1:20:35
Rank: #20446 (-44)
10K → 15K
27:08 | 8:44/mi
20K· 12.43 mi
1:47:28
Rank: #20118 (+328)
15K → 20K
26:53 | 8:39/mi
Half· 13.11 mi
1:53:16
Rank: #20063 (+55)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:14:10
Rank: #19716 (+347)
Half → 25K
20:54 | 8:37/mi
30K· 18.64 mi
2:41:40
Rank: #19183 (+533)
25K → 30K
27:30 | 8:51/mi
20M
2:53:43
Rank: #18940 (+243)
30K → 20M
12:03 | 8:52/mi
21M
3:03:11
Rank: #18747 (+193)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
3:10:14
Rank: #18815 (-68)
21M → 35K
7:03 | 9:25/mi
23M
3:22:03
Rank: #18783 (+32)
35K → 23M
11:49 | 9:26/mi
24M
3:31:03
Rank: #18732 (+51)
23M → 24M
9:00 | 9:00/mi
40K· 24.85 mi
3:38:55
Rank: #18658 (+74)
24M → 40K
7:52 | 9:12/mi
25.2M
3:42:22
Rank: #18628 (+30)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:50:43
Rank: #18477 (+151)
25.2M → Finish
8:21 | 8:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:16
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:57:27
Pace8:58 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:3926:328:3226:32
8:32
-
10K
6.21 mi11:27:3453:278:3626:55
8:40
+0:08
15K
9.32 mi11:54:421:20:358:3927:08
8:44
+0:04
20K
12.43 mi12:21:351:47:288:3926:53
8:39
-0:05
Half
13.11 mi12:27:231:53:168:385:48
8:30
-0:09
25K
15.53 mi12:48:172:14:108:3820:54
8:37
+0:07
30K
18.64 mi13:15:472:41:408:4027:30
8:51
+0:14
20M
20.00 mi13:27:502:53:438:4112:03
8:52
+0:01
21M
21.00 mi13:37:183:03:118:439:28
9:28
+0:36
35K
21.75 mi13:44:213:10:148:457:03
9:25
-0:03
23M
23.00 mi13:56:103:22:038:4711:49
9:26
+0:01
24M
24.00 mi14:05:103:31:038:489:00
9:00
-0:26
40K
24.85 mi14:13:023:38:558:487:52
9:12
+0:12
25.2M
25.20 mi14:16:293:42:228:493:27
10:00
+0:48
Finish
26.22 mi14:24:503:50:438:488:21
8:12
-1:48

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

8:12 /mi

Average Pace

8:48 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:35

27% of race

Time at Steady Pace

2:09:29

56% of race

Time at Slower Pace

39:39

17% of race

Average Pace: 8:48 /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 mi11:00:3926:328:3226:32
8:32
#20121
10K
6.21 mi11:27:3453:278:3626:55
8:40
#20402
15K
9.32 mi11:54:421:20:358:3927:08
8:44
#20446
20K
12.43 mi12:21:351:47:288:3926:53
8:39
#20118
Half
13.11 mi12:27:231:53:168:385:48
8:30
#20063
25K
15.53 mi12:48:172:14:108:3820:54
8:37
#19716
30K
18.64 mi13:15:472:41:408:4027:30
8:51
#19183
20M
20.00 mi13:27:502:53:438:4112:03
8:52
#18940
21M
21.00 mi13:37:183:03:118:439:28
9:28
#18747
35K
21.75 mi13:44:213:10:148:457:03
9:25
#18815
23M
23.00 mi13:56:103:22:038:4711:49
9:26
#18783
24M
24.00 mi14:05:103:31:038:489:00
9:00
#18732
40K
24.85 mi14:13:023:38:558:487:52
9:12
#18658
25.2M
25.20 mi14:16:293:42:228:493:27
10:00
#18628
Finish
26.22 mi14:24:503:50:438:488:21
8:12
#18477
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20121124901249020661(Top 73%)12791(Top 79%)12791(Top 227%)
10K6.21 mi3.10 mi20402-28112633-14312633-14320674(Top 73%)12770(Top 79%)12770(Top 226%)
15K9.32 mi3.11 mi20446-4412662-2912662-2920661(Top 73%)12791(Top 79%)12791(Top 227%)
20K12.43 mi3.11 mi20118+32812528+13412528+13419151(Top 67%)12102(Top 75%)12102(Top 214%)
Half13.11 mi0.68 mi20063+5512495+3312495+3319158(Top 67%)12106(Top 75%)12106(Top 215%)
25K15.53 mi2.42 mi19716+34712339+15612339+15617915(Top 63%)11485(Top 71%)11485(Top 204%)
30K18.64 mi3.11 mi19183+53312065+27412065+27416900(Top 59%)10876(Top 68%)10876(Top 193%)
20M20.00 mi1.36 mi18940+24311944+12111944+12116040(Top 56%)10390(Top 65%)10390(Top 184%)
21M21.00 mi1.00 mi18747+19311833+11111833+11115925(Top 56%)10220(Top 63%)10220(Top 181%)
35K21.75 mi0.75 mi18815-6811845-1211845-1220020(Top 70%)11974(Top 74%)11974(Top 212%)
23M23.00 mi1.25 mi18783+3211801+4411801+4418393(Top 65%)11163(Top 69%)11163(Top 198%)
24M24.00 mi1.00 mi18732+5111757+4411757+4417355(Top 61%)10632(Top 66%)10632(Top 188%)
40K24.85 mi0.85 mi18658+7411700+5711700+5717331(Top 61%)10524(Top 65%)10524(Top 187%)
25.2M25.20 mi0.35 mi18628+3011668+3211668+3217019(Top 60%)10384(Top 64%)10384(Top 184%)
Finish26.22 mi1.02 mi18477+15111585+8311585+8314222(Top 50%)9132(Top 57%)9132(Top 162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20661

Males

12791

M18-39

12791

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20674

Males

12770

M18-39

12770

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20661

Males

12791

M18-39

12791

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

19151

Males

12102

M18-39

12102

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

19158

Males

12106

M18-39

12106

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17915

Males

11485

M18-39

11485

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16900

Males

10876

M18-39

10876

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

16040

Males

10390

M18-39

10390

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15925

Males

10220

M18-39

10220

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

20020

Males

11974

M18-39

11974

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18393

Males

11163

M18-39

11163

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17355

Males

10632

M18-39

10632

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17331

Males

10524

M18-39

10524

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17019

Males

10384

M18-39

10384

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14222

Males

9132

M18-39

9132

Passing Analysis

Category:
Athletes Passed
2725
Passed By
1081
Net Change
+1644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20121
5K → 10K163444-281#20121#20402
10K → 15K170214-44#20402#20446
15K → 20K37143+328#20446#20118
20K → Half649+55#20118#20063
Half → 25K36417+347#20063#19716
25K → 30K55421+533#19716#19183
30K → 20M25411+243#19183#18940
20M → 21M21724+193#18940#18747
21M → 35K41109-68#18747#18815
35K → 23M11785+32#18815#18783
23M → 24M9039+51#18783#18732
24M → 40K10834+74#18732#18658
40K → 25.2M4919+30#18658#18628
25.2M → Finish16312+151#18628#18477
TOTALS27251081+1644
📊

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