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BOSTON MARATHON 2025

John Leland

Bib: 4777•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:13
Rank: #3865
Start → 5K
20:13 | 6:30/mi
10K· 6.21 mi
40:17
Rank: #3647 (+218)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
1:00:27
Rank: #3584 (+63)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:20:33
Rank: #3364 (+220)
15K → 20K
20:06 | 6:28/mi
Half· 13.11 mi
1:24:58
Rank: #3382 (-18)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:40:39
Rank: #3249 (+133)
Half → 25K
15:41 | 6:28/mi
30K· 18.64 mi
2:00:59
Rank: #2970 (+279)
25K → 30K
20:20 | 6:33/mi
20M
2:09:51
Rank: #2820 (+150)
30K → 20M
8:52 | 6:31/mi
21M
2:16:30
Rank: #2667 (+153)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:21:17
Rank: #2611 (+56)
21M → 35K
4:47 | 6:24/mi
23M
2:29:33
Rank: #2528 (+83)
35K → 23M
8:16 | 6:36/mi
24M
2:35:55
Rank: #2443 (+85)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:41:24
Rank: #2369 (+74)
24M → 40K
5:29 | 6:25/mi
25.2M
2:43:46
Rank: #2328 (+41)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:49:50
Rank: #2239 (+89)
25.2M → Finish
6:04 | 5:57/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:58
Pace6:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:52
Pace6:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3020:136:3020:13
6:30
-
10K
6.21 mi10:44:3440:176:2920:04
6:28
-0:02
15K
9.32 mi11:04:441:00:276:2920:10
6:29
+0:01
20K
12.43 mi11:24:501:20:336:2920:06
6:28
-0:01
Half
13.11 mi11:29:151:24:586:294:25
6:28
0:00
25K
15.53 mi11:44:561:40:396:2915:41
6:28
0:00
30K
18.64 mi12:05:162:00:596:2920:20
6:33
+0:05
20M
20.00 mi12:14:082:09:516:308:52
6:31
-0:02
21M
21.00 mi12:20:472:16:306:306:39
6:39
+0:08
35K
21.75 mi12:25:342:21:176:304:47
6:24
-0:15
23M
23.00 mi12:33:502:29:336:308:16
6:36
+0:12
24M
24.00 mi12:40:122:35:556:306:22
6:22
-0:14
40K
24.85 mi12:45:412:41:246:305:29
6:25
+0:03
25.2M
25.20 mi12:48:032:43:466:302:22
6:52
+0:27
Finish
26.22 mi12:54:072:49:506:296:04
5:57
-0:55

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

5:57 /mi

Average Pace

6:29 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:13

78% of race

Time at Steady Pace

37:37

22% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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 mi10:24:3020:136:3020:13
6:30
#3865
10K
6.21 mi10:44:3440:176:2920:04
6:28
#3647
15K
9.32 mi11:04:441:00:276:2920:10
6:29
#3584
20K
12.43 mi11:24:501:20:336:2920:06
6:28
#3364
Half
13.11 mi11:29:151:24:586:294:25
6:28
#3382
25K
15.53 mi11:44:561:40:396:2915:41
6:28
#3249
30K
18.64 mi12:05:162:00:596:2920:20
6:33
#2970
20M
20.00 mi12:14:082:09:516:308:52
6:31
#2820
21M
21.00 mi12:20:472:16:306:306:39
6:39
#2667
35K
21.75 mi12:25:342:21:176:304:47
6:24
#2611
23M
23.00 mi12:33:502:29:336:308:16
6:36
#2528
24M
24.00 mi12:40:122:35:556:306:22
6:22
#2443
40K
24.85 mi12:45:412:41:246:305:29
6:25
#2369
25.2M
25.20 mi12:48:032:43:466:302:22
6:52
#2328
Finish
26.22 mi12:54:072:49:506:296:04
5:57
#2239
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3865365736573492(Top 12%)3303(Top 21%)3303(Top 59%)
10K6.21 mi3.10 mi3647+2183458+1993458+1993414(Top 12%)3238(Top 20%)3238(Top 57%)
15K9.32 mi3.11 mi3584+633397+613397+613492(Top 12%)3303(Top 21%)3303(Top 59%)
20K12.43 mi3.11 mi3364+2203193+2043193+2042924(Top 10%)2784(Top 17%)2784(Top 49%)
Half13.11 mi0.68 mi3382-183212-193212-193444(Top 12%)3260(Top 20%)3260(Top 58%)
25K15.53 mi2.42 mi3249+1333094+1183094+1182701(Top 10%)2569(Top 16%)2569(Top 46%)
30K18.64 mi3.11 mi2970+2792830+2642830+2642172(Top 8%)2056(Top 13%)2056(Top 36%)
20M20.00 mi1.36 mi2820+1502686+1442686+1441714(Top 6%)1620(Top 10%)1620(Top 29%)
21M21.00 mi1.00 mi2667+1532540+1462540+1461072(Top 4%)1015(Top 6%)1015(Top 18%)
35K21.75 mi0.75 mi2611+562487+532487+531979(Top 7%)1853(Top 12%)1853(Top 33%)
23M23.00 mi1.25 mi2528+832405+822405+821831(Top 6%)1712(Top 11%)1712(Top 30%)
24M24.00 mi1.00 mi2443+852324+812324+811530(Top 5%)1429(Top 9%)1429(Top 25%)
40K24.85 mi0.85 mi2369+742251+732251+731298(Top 5%)1205(Top 7%)1205(Top 21%)
25.2M25.20 mi0.35 mi2328+412212+392212+391146(Top 4%)1056(Top 7%)1056(Top 19%)
Finish26.22 mi1.02 mi2239+892124+882124+88813(Top 3%)766(Top 5%)766(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3492

Males

3303

M18-39

3303

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3414

Males

3238

M18-39

3238

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3492

Males

3303

M18-39

3303

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2924

Males

2784

M18-39

2784

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3444

Males

3260

M18-39

3260

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2701

Males

2569

M18-39

2569

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2172

Males

2056

M18-39

2056

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1714

Males

1620

M18-39

1620

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1072

Males

1015

M18-39

1015

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1979

Males

1853

M18-39

1853

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1831

Males

1712

M18-39

1712

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1530

Males

1429

M18-39

1429

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1298

Males

1205

M18-39

1205

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1146

Males

1056

M18-39

1056

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

813

Males

766

M18-39

766

Passing Analysis

Category:
Athletes Passed
1857
Passed By
231
Net Change
+1626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3865
5K → 10K27759+218#3865#3647
10K → 15K13067+63#3647#3584
15K → 20K23111+220#3584#3364
20K → Half1230-18#3364#3382
Half → 25K14815+133#3382#3249
25K → 30K29516+279#3249#2970
30K → 20M1511+150#2970#2820
20M → 21M1530+153#2820#2667
21M → 35K604+56#2667#2611
35K → 23M9512+83#2611#2528
23M → 24M894+85#2528#2443
24M → 40K795+74#2443#2369
40K → 25.2M432+41#2369#2328
25.2M → Finish945+89#2328#2239
TOTALS1857231+1626
📊

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