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BOSTON MARATHON 2025

Jon Johnson

Bib: 14695•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 38%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 40%
Division (M50-54)
#0 / 1996
Top 42%
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
7:37/mi
23:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
47:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:10:08
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:33:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:38:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:34/mi
1:56:36
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:21:11
↑ 181↓ 1480.2%
20M
8:01/mi
2:32:05
↑ 64↓ 500.2%
21M
8:21/mi
2:40:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:46:02
↑ 17↓ 861.7%
23M
7:56/mi
2:55:58
↑ 23↓ 630.6%
24M
7:54/mi
3:03:52
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:10:44
↓ 200.3%
25.2M
8:51/mi
3:13:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:21:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:16
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:43:34
Pace7:54 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5423:417:3723:41
7:37
-
10K
6.21 mi11:17:1647:037:3423:22
7:31
-0:06
15K
9.32 mi11:40:211:10:087:3123:05
7:26
-0:05
20K
12.43 mi12:03:321:33:197:3123:11
7:28
+0:02
Half
13.11 mi12:08:291:38:167:304:57
7:15
-0:13
25K
15.53 mi12:26:491:56:367:3018:20
7:34
+0:19
30K
18.64 mi12:51:242:21:117:3424:35
7:55
+0:21
20M
20.00 mi13:02:182:32:057:3610:54
8:01
+0:06
21M
21.00 mi13:10:392:40:267:388:21
8:21
+0:20
35K
21.75 mi13:16:152:46:027:385:36
7:29
-0:52
23M
23.00 mi13:26:112:55:587:399:56
7:56
+0:27
24M
24.00 mi13:34:053:03:527:407:54
7:54
-0:02
40K
24.85 mi13:40:573:10:447:406:52
8:02
+0:08
25.2M
25.20 mi13:44:003:13:477:413:03
8:51
+0:49
Finish
26.22 mi13:52:033:21:507:428:03
7:54
-0:57

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

7:15 /mi

Average Pace

7:42 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:12

61% of race

Time at Steady Pace

1:08:14

34% of race

Time at Slower Pace

11:24

6% of race

Average Pace: 7:42 /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 mi10:53:5423:417:3723:41
7:37
#13299
10K
6.21 mi11:17:1647:037:3423:22
7:31
#12756
15K
9.32 mi11:40:211:10:087:3123:05
7:26
#12199
20K
12.43 mi12:03:321:33:197:3123:11
7:28
#11708
Half
13.11 mi12:08:291:38:167:304:57
7:15
#11599
25K
15.53 mi12:26:491:56:367:3018:20
7:34
#11378
30K
18.64 mi12:51:242:21:117:3424:35
7:55
#11230
20M
20.00 mi13:02:182:32:057:3610:54
8:01
#11113
21M
21.00 mi13:10:392:40:267:388:21
8:21
#10988
35K
21.75 mi13:16:152:46:027:385:36
7:29
#10869
23M
23.00 mi13:26:112:55:587:399:56
7:56
#10738
24M
24.00 mi13:34:053:03:527:407:54
7:54
#10704
40K
24.85 mi13:40:573:10:447:406:52
8:02
#10668
25.2M
25.20 mi13:44:003:13:477:413:03
8:51
#10649
Finish
26.22 mi13:52:033:21:507:428:03
7:54
#10671
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi132999766976611140(Top 39%)8670(Top 54%)8670(Top 434%)
10K6.21 mi3.10 mi12756+5439513+2539513+25312280(Top 43%)9274(Top 58%)9274(Top 465%)
15K9.32 mi3.11 mi12199+5579215+2989215+29811140(Top 39%)8670(Top 54%)8670(Top 434%)
20K12.43 mi3.11 mi11708+4918957+2588957+25810422(Top 37%)8225(Top 51%)8225(Top 412%)
Half13.11 mi0.68 mi11599+1098907+508907+509574(Top 34%)7809(Top 48%)7809(Top 391%)
25K15.53 mi2.42 mi11378+2218766+1418766+14110436(Top 37%)8110(Top 50%)8110(Top 406%)
30K18.64 mi3.11 mi11230+1488618+1488618+14810735(Top 38%)8048(Top 50%)8048(Top 403%)
20M20.00 mi1.36 mi11113+1178522+968522+9610565(Top 37%)7818(Top 49%)7818(Top 392%)
21M21.00 mi1.00 mi10988+1258420+1028420+1029518(Top 34%)7116(Top 44%)7116(Top 357%)
35K21.75 mi0.75 mi10869+1198335+858335+858515(Top 30%)6607(Top 41%)6607(Top 331%)
23M23.00 mi1.25 mi10738+1318231+1048231+1049523(Top 34%)6994(Top 43%)6994(Top 350%)
24M24.00 mi1.00 mi10704+348179+528179+5210527(Top 37%)7440(Top 46%)7440(Top 373%)
40K24.85 mi0.85 mi10668+368134+458134+4510404(Top 37%)7250(Top 45%)7250(Top 363%)
25.2M25.20 mi0.35 mi10649+198109+258109+2510855(Top 38%)7408(Top 46%)7408(Top 371%)
Finish26.22 mi1.02 mi10671-228086+238086+2312136(Top 43%)8102(Top 50%)8102(Top 406%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11140

Males

8670

M50-54

8670

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12280

Males

9274

M50-54

9274

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11140

Males

8670

M50-54

8670

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10422

Males

8225

M50-54

8225

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9574

Males

7809

M50-54

7809

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10436

Males

8110

M50-54

8110

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10735

Males

8048

M50-54

8048

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10565

Males

7818

M50-54

7818

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9518

Males

7116

M50-54

7116

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8515

Males

6607

M50-54

6607

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9523

Males

6994

M50-54

6994

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10527

Males

7440

M50-54

7440

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10404

Males

7250

M50-54

7250

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10855

Males

7408

M50-54

7408

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12136

Males

8102

M50-54

8102

Passing Analysis

Category:
Athletes Passed
3350
Passed By
722
Net Change
+2628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13299
5K → 10K643100+543#13299#12756
10K → 15K58730+557#12756#12199
15K → 20K51120+491#12199#11708
20K → Half1145+109#11708#11599
Half → 25K26847+221#11599#11378
25K → 30K301153+148#11378#11230
30K → 20M17356+117#11230#11113
20M → 21M16540+125#11113#10988
21M → 35K1289+119#10988#10869
35K → 23M17140+131#10869#10738
23M → 24M8551+34#10738#10704
24M → 40K8852+36#10704#10668
40K → 25.2M5132+19#10668#10649
25.2M → Finish6587-22#10649#10671
TOTALS3350722+2628
📊

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