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BOSTON MARATHON 2025

John Peterson

Bib: 12312•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 38%
Division (M50-54)
#0 / 1996
Top 39%
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
7:14/mi
22:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
45:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:08:00
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:31:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:36:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
1:55:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:57/mi
2:20:28
↑ 181↓ 1480.2%
20M
8:05/mi
2:31:27
↑ 64↓ 500.2%
21M
8:23/mi
2:39:50
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:45:33
↑ 17↓ 861.7%
23M
8:02/mi
2:55:36
↑ 23↓ 630.6%
24M
7:40/mi
3:03:16
↓ 821.3%
40K· 24.85 mi
7:44/mi
3:09:53
↓ 200.3%
25.2M
8:16/mi
3:12:44
↑ 13↓ 160.2%
Finish· 26.22 mi
7:14/mi
3:20:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:52
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:43:14
Pace7:52 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0622:277:1422:27
7:14
-
10K
6.21 mi11:12:4245:037:1522:36
7:16
+0:02
15K
9.32 mi11:35:391:08:007:1822:57
7:23
+0:07
20K
12.43 mi11:59:281:31:497:2323:49
7:40
+0:17
Half
13.11 mi12:04:311:36:527:235:03
7:24
-0:16
25K
15.53 mi12:23:241:55:457:2718:53
7:47
+0:23
30K
18.64 mi12:48:072:20:287:3224:43
7:57
+0:10
20M
20.00 mi12:59:062:31:277:3410:59
8:05
+0:08
21M
21.00 mi13:07:292:39:507:378:23
8:23
+0:18
35K
21.75 mi13:13:122:45:337:375:43
7:38
-0:45
23M
23.00 mi13:23:152:55:367:3810:03
8:02
+0:24
24M
24.00 mi13:30:553:03:167:387:40
7:40
-0:22
40K
24.85 mi13:37:323:09:537:386:37
7:44
+0:04
25.2M
25.20 mi13:40:233:12:447:392:51
8:16
+0:32
Finish
26.22 mi13:47:453:20:067:387:22
7:14
-1:02

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

7:14 /mi

Average Pace

7:38 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:50

84% of race

Time at Steady Pace

32:16

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:50:0622:277:1422:27
7:14
#9678
10K
6.21 mi11:12:4245:037:1522:36
7:16
#9878
15K
9.32 mi11:35:391:08:007:1822:57
7:23
#10167
20K
12.43 mi11:59:281:31:497:2323:49
7:40
#10644
Half
13.11 mi12:04:311:36:527:235:03
7:24
#10660
25K
15.53 mi12:23:241:55:457:2718:53
7:47
#10902
30K
18.64 mi12:48:072:20:287:3224:43
7:57
#10913
20M
20.00 mi12:59:062:31:277:3410:59
8:05
#10877
21M
21.00 mi13:07:292:39:507:378:23
8:23
#10756
35K
21.75 mi13:13:122:45:337:375:43
7:38
#10699
23M
23.00 mi13:23:152:55:367:3810:03
8:02
#10625
24M
24.00 mi13:30:553:03:167:387:40
7:40
#10517
40K
24.85 mi13:37:323:09:537:386:37
7:44
#10397
25.2M
25.20 mi13:40:233:12:447:392:51
8:16
#10330
Finish
26.22 mi13:47:453:20:067:387:22
7:14
#10175
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi96787995799510737(Top 38%)8471(Top 53%)8471(Top 424%)
10K6.21 mi3.10 mi9878-2008107-1128107-11210130(Top 36%)8219(Top 51%)8219(Top 412%)
15K9.32 mi3.11 mi10167-2898222-1158222-11510737(Top 38%)8471(Top 53%)8471(Top 424%)
20K12.43 mi3.11 mi10644-4778443-2218443-22112076(Top 43%)9000(Top 56%)9000(Top 451%)
Half13.11 mi0.68 mi10660-168459-168459-1610821(Top 38%)8446(Top 52%)8446(Top 423%)
25K15.53 mi2.42 mi10902-2428538-798538-7912225(Top 43%)8949(Top 56%)8949(Top 448%)
30K18.64 mi3.11 mi10913-118465+738465+7311056(Top 39%)8211(Top 51%)8211(Top 411%)
20M20.00 mi1.36 mi10877+368401+648401+6410958(Top 39%)8006(Top 50%)8006(Top 401%)
21M21.00 mi1.00 mi10756+1218305+968305+969736(Top 34%)7228(Top 45%)7228(Top 362%)
35K21.75 mi0.75 mi10699+578262+438262+439613(Top 34%)7167(Top 45%)7167(Top 359%)
23M23.00 mi1.25 mi10625+748185+778185+7710200(Top 36%)7333(Top 46%)7333(Top 367%)
24M24.00 mi1.00 mi10517+1088095+908095+908896(Top 31%)6603(Top 41%)6603(Top 331%)
40K24.85 mi0.85 mi10397+1208006+898006+898346(Top 29%)6184(Top 38%)6184(Top 310%)
25.2M25.20 mi0.35 mi10330+677948+587948+587455(Top 26%)5620(Top 35%)5620(Top 282%)
Finish26.22 mi1.02 mi10175+1557842+1067842+1067223(Top 25%)5470(Top 34%)5470(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10737

Males

8471

M50-54

8471

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10130

Males

8219

M50-54

8219

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10737

Males

8471

M50-54

8471

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12076

Males

9000

M50-54

9000

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10821

Males

8446

M50-54

8446

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12225

Males

8949

M50-54

8949

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11056

Males

8211

M50-54

8211

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10958

Males

8006

M50-54

8006

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9736

Males

7228

M50-54

7228

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9613

Males

7167

M50-54

7167

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10200

Males

7333

M50-54

7333

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8896

Males

6603

M50-54

6603

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8346

Males

6184

M50-54

6184

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7455

Males

5620

M50-54

5620

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

7223

Males

5470

M50-54

5470

Passing Analysis

Category:
Athletes Passed
1704
Passed By
2197
Net Change
-497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9678
5K → 10K145344-200#9678#9878
10K → 15K94381-289#9878#10167
15K → 20K60536-477#10167#10644
20K → Half3248-16#10644#10660
Half → 25K108350-242#10660#10902
25K → 30K239250-11#10902#10913
30K → 20M12993+36#10913#10877
20M → 21M16039+121#10877#10756
21M → 35K8225+57#10756#10699
35K → 23M14066+74#10699#10625
23M → 24M13224+108#10625#10517
24M → 40K13919+120#10517#10397
40K → 25.2M747+67#10397#10330
25.2M → Finish17015+155#10330#10175
TOTALS17042197-497
📊

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