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BOSTON MARATHON 2025

Jessey Elf

Bib: 4866•M

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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:37
Rank: #1060
Start → 5K
18:37 | 6:00/mi
10K· 6.21 mi
36:59
Rank: #949 (+111)
5K → 10K
18:22 | 5:55/mi
15K· 9.32 mi
55:22
Rank: #899 (+50)
10K → 15K
18:23 | 5:55/mi
20K· 12.43 mi
1:13:59
Rank: #873 (+26)
15K → 20K
18:37 | 6:00/mi
Half· 13.11 mi
1:18:04
Rank: #882 (-9)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:32:54
Rank: #897 (-15)
Half → 25K
14:50 | 6:07/mi
30K· 18.64 mi
1:53:08
Rank: #1029 (-132)
25K → 30K
20:14 | 6:31/mi
20M
2:02:24
Rank: #1106 (-77)
30K → 20M
9:16 | 6:49/mi
21M
2:09:46
Rank: #1209 (-103)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:14:46
Rank: #1236 (-27)
21M → 35K
5:00 | 6:41/mi
23M
2:23:30
Rank: #1310 (-74)
35K → 23M
8:44 | 6:59/mi
24M
2:30:18
Rank: #1354 (-44)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:36:19
Rank: #1415 (-61)
24M → 40K
6:01 | 7:02/mi
25.2M
2:38:57
Rank: #1441 (-26)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:45:22
Rank: #1436 (+5)
25.2M → Finish
6:25 | 6:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:04
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:27:18
Pace6:40 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3418:376:0018:37
6:00
-
10K
6.21 mi10:39:5636:595:5718:22
5:55
-0:05
15K
9.32 mi10:58:1955:225:5618:23
5:55
0:00
20K
12.43 mi11:16:561:13:595:5718:37
6:00
+0:05
Half
13.11 mi11:21:011:18:045:574:05
5:59
-0:01
25K
15.53 mi11:35:511:32:545:5914:50
6:07
+0:08
30K
18.64 mi11:56:051:53:086:0420:14
6:31
+0:24
20M
20.00 mi12:05:212:02:246:079:16
6:49
+0:18
21M
21.00 mi12:12:432:09:466:117:22
7:22
+0:33
35K
21.75 mi12:17:432:14:466:125:00
6:41
-0:41
23M
23.00 mi12:26:272:23:306:148:44
6:59
+0:18
24M
24.00 mi12:33:152:30:186:166:48
6:48
-0:11
40K
24.85 mi12:39:162:36:196:176:01
7:02
+0:14
25.2M
25.20 mi12:41:542:38:576:182:38
7:38
+0:36
Finish
26.22 mi12:48:192:45:226:196:25
6:18
-1:20

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

5:55 /mi

Average Pace

6:19 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:54

56% of race

Time at Steady Pace

31:39

19% of race

Time at Slower Pace

40:49

25% of race

Average Pace: 6:18 /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 mi10:21:3418:376:0018:37
6:00
#1060
10K
6.21 mi10:39:5636:595:5718:22
5:55
#949
15K
9.32 mi10:58:1955:225:5618:23
5:55
#899
20K
12.43 mi11:16:561:13:595:5718:37
6:00
#873
Half
13.11 mi11:21:011:18:045:574:05
5:59
#882
25K
15.53 mi11:35:511:32:545:5914:50
6:07
#897
30K
18.64 mi11:56:051:53:086:0420:14
6:31
#1029
20M
20.00 mi12:05:212:02:246:079:16
6:49
#1106
21M
21.00 mi12:12:432:09:466:117:22
7:22
#1209
35K
21.75 mi12:17:432:14:466:125:00
6:41
#1236
23M
23.00 mi12:26:272:23:306:148:44
6:59
#1310
24M
24.00 mi12:33:152:30:186:166:48
6:48
#1354
40K
24.85 mi12:39:162:36:196:176:01
7:02
#1415
25.2M
25.20 mi12:41:542:38:576:182:38
7:38
#1441
Finish
26.22 mi12:48:192:45:226:196:25
6:18
#1436
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi106010011001797(Top 3%)747(Top 5%)747(Top 13%)
10K6.21 mi3.10 mi949+111892+109892+109859(Top 3%)806(Top 5%)806(Top 14%)
15K9.32 mi3.11 mi899+50845+47845+47797(Top 3%)747(Top 5%)747(Top 13%)
20K12.43 mi3.11 mi873+26821+24821+24850(Top 3%)800(Top 5%)800(Top 14%)
Half13.11 mi0.68 mi882-9830-9830-91115(Top 4%)1057(Top 7%)1057(Top 19%)
25K15.53 mi2.42 mi897-15845-15845-151156(Top 4%)1090(Top 7%)1090(Top 19%)
30K18.64 mi3.11 mi1029-132969-124969-1242021(Top 7%)1921(Top 12%)1921(Top 34%)
20M20.00 mi1.36 mi1106-771043-741043-743010(Top 11%)2800(Top 17%)2800(Top 50%)
21M21.00 mi1.00 mi1209-1031138-951138-953909(Top 14%)3544(Top 22%)3544(Top 63%)
35K21.75 mi0.75 mi1236-271165-271165-273346(Top 12%)3045(Top 19%)3045(Top 54%)
23M23.00 mi1.25 mi1310-741234-691234-693571(Top 13%)3227(Top 20%)3227(Top 57%)
24M24.00 mi1.00 mi1354-441275-411275-413463(Top 12%)3098(Top 19%)3098(Top 55%)
40K24.85 mi0.85 mi1415-611336-611336-614080(Top 14%)3538(Top 22%)3538(Top 63%)
25.2M25.20 mi0.35 mi1441-261361-251361-253951(Top 14%)3367(Top 21%)3367(Top 60%)
Finish26.22 mi1.02 mi1436+51355+61355+61862(Top 7%)1717(Top 11%)1717(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

797

Males

747

M18-39

747

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

859

Males

806

M18-39

806

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

797

Males

747

M18-39

747

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

850

Males

800

M18-39

800

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1115

Males

1057

M18-39

1057

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1156

Males

1090

M18-39

1090

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2021

Males

1921

M18-39

1921

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3010

Males

2800

M18-39

2800

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3909

Males

3544

M18-39

3544

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3346

Males

3045

M18-39

3045

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3571

Males

3227

M18-39

3227

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3463

Males

3098

M18-39

3098

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4080

Males

3538

M18-39

3538

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3951

Males

3367

M18-39

3367

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1862

Males

1717

M18-39

1717

Passing Analysis

Category:
Athletes Passed
352
Passed By
728
Net Change
-376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1060
5K → 10K1198+111#1060#949
10K → 15K566+50#949#899
15K → 20K4418+26#899#873
20K → Half514-9#873#882
Half → 25K1934-15#882#897
25K → 30K16148-132#897#1029
30K → 20M1390-77#1029#1106
20M → 21M10113-103#1106#1209
21M → 35K734-27#1209#1236
35K → 23M2195-74#1236#1310
23M → 24M1559-44#1310#1354
24M → 40K263-61#1354#1415
40K → 25.2M127-26#1415#1441
25.2M → Finish2419+5#1441#1436
TOTALS352728-376
📊

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