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BOSTON MARATHON 2025

John Leeth

Bib: 25460•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:18
Rank: #26535
Start → 5K
10:24/mi
32:18 split
10K· 6.21 mi
1:05:21
Rank: #26513 (+22)
5K → 10K
10:38/mi
33:03 split
15K· 9.32 mi
1:38:16
Rank: #26357 (+156)
10K → 15K
10:36/mi
32:55 split
20K· 12.43 mi
2:11:48
Rank: #26170 (+187)
15K → 20K
10:48/mi
33:32 split
Half· 13.11 mi
2:19:03
Rank: #26150 (+20)
20K → Half
10:38/mi
7:15 split
25K· 15.53 mi
2:45:48
Rank: #25997 (+153)
Half → 25K
11:02/mi
26:45 split
30K· 18.64 mi
3:22:19
Rank: #25835 (+162)
25K → 30K
11:45/mi
36:31 split
20M
3:37:59
Rank: #25744 (+91)
30K → 20M
11:32/mi
15:40 split
21M
3:50:01
Rank: #25629 (+115)
20M → 21M
12:02/mi
12:02 split
35K· 21.75 mi
3:58:18
Rank: #25602 (+27)
21M → 35K
11:04/mi
8:17 split
23M
4:12:55
Rank: #25572 (+30)
35K → 23M
11:40/mi
14:37 split
24M
4:24:12
Rank: #25531 (+41)
23M → 24M
11:17/mi
11:17 split
40K· 24.85 mi
4:34:58
Rank: #25573 (-42)
24M → 40K
12:36/mi
10:46 split
25.2M
4:39:33
Rank: #25564 (+9)
40K → 25.2M
13:17/mi
4:35 split
Finish· 26.22 mi
4:51:14
Rank: #25596 (-32)
25.2M → Finish
11:28/mi
11:41 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:03
Pace10:36 /mi
2nd Half
Distance13.11 mi
Time2:32:11
Pace11:37 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:4932:1810:2432:18
10:24
-
10K
6.21 mi12:06:521:05:2110:3133:03
10:38
+0:14
15K
9.32 mi12:39:471:38:1610:3332:55
10:36
-0:02
20K
12.43 mi13:13:192:11:4810:3633:32
10:48
+0:12
Half
13.11 mi13:20:342:19:0310:367:15
10:38
-0:10
25K
15.53 mi13:47:192:45:4810:4026:45
11:02
+0:24
30K
18.64 mi14:23:503:22:1910:5136:31
11:45
+0:43
20M
20.00 mi14:39:303:37:5910:5415:40
11:32
-0:13
21M
21.00 mi14:51:323:50:0110:5712:02
12:02
+0:30
35K
21.75 mi14:59:493:58:1810:578:17
11:04
-0:58
23M
23.00 mi15:14:264:12:5511:0014:37
11:40
+0:36
24M
24.00 mi15:25:434:24:1211:0111:17
11:17
-0:23
40K
24.85 mi15:36:294:34:5811:0410:46
12:36
+1:19
25.2M
25.20 mi15:41:044:39:3311:064:35
13:17
+0:41
Finish
26.22 mi15:52:454:51:1411:0711:41
11:28
-1:49

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

10:24 /mi

Average Pace

11:07 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:03

48% of race

Time at Steady Pace

1:28:17

30% of race

Time at Slower Pace

1:03:54

22% of race

Average Pace: 11:06 /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 mi11:33:4932:1810:2432:18
10:24
#26535
10K
6.21 mi12:06:521:05:2110:3133:03
10:38
#26513
15K
9.32 mi12:39:471:38:1610:3332:55
10:36
#26357
20K
12.43 mi13:13:192:11:4810:3633:32
10:48
#26170
Half
13.11 mi13:20:342:19:0310:367:15
10:38
#26150
25K
15.53 mi13:47:192:45:4810:4026:45
11:02
#25997
30K
18.64 mi14:23:503:22:1910:5136:31
11:45
#25835
20M
20.00 mi14:39:303:37:5910:5415:40
11:32
#25744
21M
21.00 mi14:51:323:50:0110:5712:02
12:02
#25629
35K
21.75 mi14:59:493:58:1810:578:17
11:04
#25602
23M
23.00 mi15:14:264:12:5511:0014:37
11:40
#25572
24M
24.00 mi15:25:434:24:1211:0111:17
11:17
#25531
40K
24.85 mi15:36:294:34:5811:0410:46
12:36
#25573
25.2M
25.20 mi15:41:044:39:3311:064:35
13:17
#25564
Finish
26.22 mi15:52:454:51:1411:0711:41
11:28
#25596
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi26535154061540626088(Top 92%)15182(Top 94%)15182(Top 6659%)
10K6.21 mi3.10 mi26513+2215386+2015386+2026504(Top 93%)15364(Top 95%)15364(Top 6739%)
15K9.32 mi3.11 mi26357+15615312+7415312+7426088(Top 92%)15182(Top 94%)15182(Top 6659%)
20K12.43 mi3.11 mi26170+18715234+7815234+7825704(Top 90%)14993(Top 93%)14993(Top 6576%)
Half13.11 mi0.68 mi26150+2015219+1515219+1525979(Top 91%)15099(Top 94%)15099(Top 6622%)
25K15.53 mi2.42 mi25997+15315135+8415135+8425248(Top 89%)14746(Top 92%)14746(Top 6468%)
30K18.64 mi3.11 mi25835+16215035+10015035+10025228(Top 89%)14642(Top 91%)14642(Top 6422%)
20M20.00 mi1.36 mi25744+9114977+5814977+5824578(Top 87%)14258(Top 89%)14258(Top 6254%)
21M21.00 mi1.00 mi25629+11514912+6514912+6523654(Top 83%)13756(Top 85%)13756(Top 6033%)
35K21.75 mi0.75 mi25602+2714891+2114891+2124368(Top 86%)14054(Top 87%)14054(Top 6164%)
23M23.00 mi1.25 mi25572+3014866+2514866+2524559(Top 86%)14129(Top 88%)14129(Top 6197%)
24M24.00 mi1.00 mi25531+4114831+3514831+3524531(Top 86%)14073(Top 87%)14073(Top 6172%)
40K24.85 mi0.85 mi25573-4214840-914840-925784(Top 91%)14684(Top 91%)14684(Top 6440%)
25.2M25.20 mi0.35 mi25564+914828+1214828+1225413(Top 89%)14457(Top 90%)14457(Top 6341%)
Finish26.22 mi1.02 mi25596-3214834-614834-626089(Top 92%)14831(Top 92%)14831(Top 6505%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26088

Males

15182

M70-74

15182

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26504

Males

15364

M70-74

15364

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26088

Males

15182

M70-74

15182

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25704

Males

14993

M70-74

14993

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25979

Males

15099

M70-74

15099

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25248

Males

14746

M70-74

14746

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25228

Males

14642

M70-74

14642

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24578

Males

14258

M70-74

14258

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23654

Males

13756

M70-74

13756

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

24368

Males

14054

M70-74

14054

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24559

Males

14129

M70-74

14129

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24531

Males

14073

M70-74

14073

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25784

Males

14684

M70-74

14684

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25413

Males

14457

M70-74

14457

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

26089

Males

14831

M70-74

14831

Passing Analysis

Category:
Athletes Passed
1465
Passed By
526
Net Change
+939
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26535
5K → 10K183161+22#26535#26513
10K → 15K20852+156#26513#26357
15K → 20K22134+187#26357#26170
20K → Half3717+20#26170#26150
Half → 25K17724+153#26150#25997
25K → 30K18826+162#25997#25835
30K → 20M10312+91#25835#25744
20M → 21M1238+115#25744#25629
21M → 35K4720+27#25629#25602
35K → 23M6131+30#25602#25572
23M → 24M5312+41#25572#25531
24M → 40K2163-42#25531#25573
40K → 25.2M2415+9#25573#25564
25.2M → Finish1951-32#25564#25596
TOTALS1465526+939
📊

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