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BOSTON MARATHON 2025

John Kelly

Bib: 19021•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 49%
Division (M65-69)
#0 / 639
Top 6%
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
7:38/mi
23:43
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
47:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:11:39
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:35:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:41:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:00:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:26:12
↑ 181↓ 1480.2%
20M
8:32/mi
2:37:48
↑ 64↓ 500.2%
21M
8:56/mi
2:46:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:52:40
↑ 17↓ 861.7%
23M
8:37/mi
3:03:27
↑ 23↓ 630.6%
24M
8:16/mi
3:11:43
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:18:51
↓ 200.3%
25.2M
8:59/mi
3:21:57
↑ 13↓ 160.2%
Finish· 26.22 mi
8:01/mi
3:30:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:02
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4023:437:3823:43
7:38
-
10K
6.21 mi11:39:3147:347:3923:51
7:41
+0:03
15K
9.32 mi12:03:361:11:397:4124:05
7:45
+0:04
20K
12.43 mi12:27:401:35:437:4224:04
7:45
0:00
Half
13.11 mi12:32:591:41:027:425:19
7:48
+0:03
25K
15.53 mi12:52:192:00:227:4519:20
7:58
+0:10
30K
18.64 mi13:18:092:26:127:5125:50
8:19
+0:21
20M
20.00 mi13:29:452:37:487:5311:36
8:32
+0:13
21M
21.00 mi13:38:412:46:447:568:56
8:56
+0:24
35K
21.75 mi13:44:372:52:407:565:56
7:56
-1:00
23M
23.00 mi13:55:243:03:277:5910:47
8:37
+0:41
24M
24.00 mi14:03:403:11:437:598:16
8:16
-0:21
40K
24.85 mi14:10:483:18:518:007:08
8:21
+0:05
25.2M
25.20 mi14:13:543:21:578:013:06
8:59
+0:38
Finish
26.22 mi14:22:043:30:078:018:10
8:01
-0:58

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

7:38 /mi

Average Pace

8:01 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:42

84% of race

Time at Steady Pace

34:25

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:15:4023:437:3823:43
7:38
#13374
10K
6.21 mi11:39:3147:347:3923:51
7:41
#13544
15K
9.32 mi12:03:361:11:397:4124:05
7:45
#13631
20K
12.43 mi12:27:401:35:437:4224:04
7:45
#13384
Half
13.11 mi12:32:591:41:027:425:19
7:48
#13416
25K
15.53 mi12:52:192:00:227:4519:20
7:58
#13416
30K
18.64 mi13:18:092:26:127:5125:50
8:19
#13431
20M
20.00 mi13:29:452:37:487:5311:36
8:32
#13446
21M
21.00 mi13:38:412:46:447:568:56
8:56
#13382
35K
21.75 mi13:44:372:52:407:565:56
7:56
#13324
23M
23.00 mi13:55:243:03:277:5910:47
8:37
#13336
24M
24.00 mi14:03:403:11:437:598:16
8:16
#13310
40K
24.85 mi14:10:483:18:518:007:08
8:21
#13269
25.2M
25.20 mi14:13:543:21:578:013:06
8:59
#13231
Finish
26.22 mi14:22:043:30:078:018:10
8:01
#13246
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi133749807980713935(Top 49%)9916(Top 62%)9916(Top 1552%)
10K6.21 mi3.10 mi13544-1709835-289835-2813662(Top 48%)9863(Top 61%)9863(Top 1544%)
15K9.32 mi3.11 mi13631-879830+59830+513935(Top 49%)9916(Top 62%)9916(Top 1552%)
20K12.43 mi3.11 mi13384+2479697+1339697+13312808(Top 45%)9334(Top 58%)9334(Top 1461%)
Half13.11 mi0.68 mi13416-329699-29699-214145(Top 50%)9957(Top 62%)9957(Top 1558%)
25K15.53 mi2.42 mi134169658+419658+4113664(Top 48%)9583(Top 60%)9583(Top 1500%)
30K18.64 mi3.11 mi13431-159611+479611+4713588(Top 48%)9410(Top 58%)9410(Top 1473%)
20M20.00 mi1.36 mi13446-159583+289583+2813989(Top 49%)9440(Top 59%)9440(Top 1477%)
21M21.00 mi1.00 mi13382+649522+619522+6113109(Top 46%)8901(Top 55%)8901(Top 1393%)
35K21.75 mi0.75 mi13324+589475+479475+4711769(Top 41%)8216(Top 51%)8216(Top 1286%)
23M23.00 mi1.25 mi13336-129440+359440+3513988(Top 49%)9161(Top 57%)9161(Top 1434%)
24M24.00 mi1.00 mi13310+269403+379403+3713008(Top 46%)8655(Top 54%)8655(Top 1354%)
40K24.85 mi0.85 mi13269+419352+519352+5112401(Top 44%)8241(Top 51%)8241(Top 1290%)
25.2M25.20 mi0.35 mi13231+389324+289324+2811717(Top 41%)7851(Top 49%)7851(Top 1229%)
Finish26.22 mi1.02 mi13246-159314+109314+1012960(Top 46%)8513(Top 53%)8513(Top 1332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13935

Males

9916

M65-69

9916

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13662

Males

9863

M65-69

9863

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13935

Males

9916

M65-69

9916

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12808

Males

9334

M65-69

9334

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14145

Males

9957

M65-69

9957

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

13664

Males

9583

M65-69

9583

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13588

Males

9410

M65-69

9410

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13989

Males

9440

M65-69

9440

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13109

Males

8901

M65-69

8901

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11769

Males

8216

M65-69

8216

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13988

Males

9161

M65-69

9161

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13008

Males

8655

M65-69

8655

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12401

Males

8241

M65-69

8241

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11717

Males

7851

M65-69

7851

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12960

Males

8513

M65-69

8513

Passing Analysis

Category:
Athletes Passed
1879
Passed By
1751
Net Change
+128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13374
5K → 10K218388-170#13374#13544
10K → 15K184271-87#13544#13631
15K → 20K31467+247#13631#13384
20K → Half2254-32#13384#13416
Half → 25K1601600#13416#13416
25K → 30K242257-15#13416#13431
30K → 20M117132-15#13431#13446
20M → 21M13369+64#13446#13382
21M → 35K9436+58#13382#13324
35K → 23M101113-12#13324#13336
23M → 24M8660+26#13336#13310
24M → 40K9756+41#13310#13269
40K → 25.2M5315+38#13269#13231
25.2M → Finish5873-15#13231#13246
TOTALS18791751+128
📊

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