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BOSTON MARATHON 2025

John Jameson

Bib: 3903•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:36
Rank: #2486
Start → 5K
19:36 | 6:19/mi
10K· 6.21 mi
39:23
Rank: #2658 (-172)
5K → 10K
19:47 | 6:22/mi
15K· 9.32 mi
59:05
Rank: #2632 (+26)
10K → 15K
19:42 | 6:20/mi
20K· 12.43 mi
1:18:49
Rank: #2503 (+129)
15K → 20K
19:44 | 6:21/mi
Half· 13.11 mi
1:23:06
Rank: #2495 (+8)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:22
Rank: #2357 (+138)
Half → 25K
15:16 | 6:18/mi
30K· 18.64 mi
1:58:19
Rank: #2162 (+195)
25K → 30K
19:57 | 6:25/mi
20M
2:06:58
Rank: #2058 (+104)
30K → 20M
8:39 | 6:22/mi
21M
2:13:35
Rank: #1956 (+102)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:18:11
Rank: #1894 (+62)
21M → 35K
4:36 | 6:09/mi
23M
2:26:08
Rank: #1785 (+109)
35K → 23M
7:57 | 6:21/mi
24M
2:32:19
Rank: #1717 (+68)
23M → 24M
6:11 | 6:11/mi
40K· 24.85 mi
2:37:46
Rank: #1665 (+52)
24M → 40K
5:27 | 6:22/mi
25.2M
2:40:09
Rank: #1645 (+20)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:46:12
Rank: #1561 (+84)
25.2M → Finish
6:03 | 5:56/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:06
Pace6:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:06
Pace6:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2419:366:1919:36
6:19
-
10K
6.21 mi10:42:1139:236:2019:47
6:22
+0:03
15K
9.32 mi11:01:5359:056:2019:42
6:20
-0:02
20K
12.43 mi11:21:371:18:496:2119:44
6:21
+0:01
Half
13.11 mi11:25:541:23:066:204:17
6:17
-0:04
25K
15.53 mi11:41:101:38:226:2015:16
6:18
+0:01
30K
18.64 mi12:01:071:58:196:2119:57
6:25
+0:07
20M
20.00 mi12:09:462:06:586:218:39
6:22
-0:03
21M
21.00 mi12:16:232:13:356:226:37
6:37
+0:15
35K
21.75 mi12:20:592:18:116:214:36
6:09
-0:28
23M
23.00 mi12:28:562:26:086:217:57
6:21
+0:12
24M
24.00 mi12:35:072:32:196:216:11
6:11
-0:10
40K
24.85 mi12:40:342:37:466:215:27
6:22
+0:11
25.2M
25.20 mi12:42:572:40:096:212:23
6:55
+0:33
Finish
26.22 mi12:49:002:46:126:216:03
5:56
-0:59

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

5:56 /mi

Average Pace

6:21 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:12

95% of race

Time at Steady Pace

9:00

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:22:2419:366:1919:36
6:19
#2486
10K
6.21 mi10:42:1139:236:2019:47
6:22
#2658
15K
9.32 mi11:01:5359:056:2019:42
6:20
#2632
20K
12.43 mi11:21:371:18:496:2119:44
6:21
#2503
Half
13.11 mi11:25:541:23:066:204:17
6:17
#2495
25K
15.53 mi11:41:101:38:226:2015:16
6:18
#2357
30K
18.64 mi12:01:071:58:196:2119:57
6:25
#2162
20M
20.00 mi12:09:462:06:586:218:39
6:22
#2058
21M
21.00 mi12:16:232:13:356:226:37
6:37
#1956
35K
21.75 mi12:20:592:18:116:214:36
6:09
#1894
23M
23.00 mi12:28:562:26:086:217:57
6:21
#1785
24M
24.00 mi12:35:072:32:196:216:11
6:11
#1717
40K
24.85 mi12:40:342:37:466:215:27
6:22
#1665
25.2M
25.20 mi12:42:572:40:096:212:23
6:55
#1645
Finish
26.22 mi12:49:002:46:126:216:03
5:56
#1561
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2486236823682578(Top 9%)2461(Top 15%)2461(Top 44%)
10K6.21 mi3.10 mi2658-1722532-1642532-1642831(Top 10%)2694(Top 17%)2694(Top 48%)
15K9.32 mi3.11 mi2632+262510+222510+222578(Top 9%)2461(Top 15%)2461(Top 44%)
20K12.43 mi3.11 mi2503+1292388+1222388+1222263(Top 8%)2156(Top 13%)2156(Top 38%)
Half13.11 mi0.68 mi2495+82382+62382+62339(Top 8%)2236(Top 14%)2236(Top 40%)
25K15.53 mi2.42 mi2357+1382248+1342248+1341827(Top 6%)1735(Top 11%)1735(Top 31%)
30K18.64 mi3.11 mi2162+1952059+1892059+1891629(Top 6%)1544(Top 10%)1544(Top 27%)
20M20.00 mi1.36 mi2058+1041961+981961+981142(Top 4%)1078(Top 7%)1078(Top 19%)
21M21.00 mi1.00 mi1956+1021860+1011860+101975(Top 3%)925(Top 6%)925(Top 16%)
35K21.75 mi0.75 mi1894+621798+621798+621088(Top 4%)1026(Top 6%)1026(Top 18%)
23M23.00 mi1.25 mi1785+1091693+1051693+1051011(Top 4%)954(Top 6%)954(Top 17%)
24M24.00 mi1.00 mi1717+681625+681625+68978(Top 3%)920(Top 6%)920(Top 16%)
40K24.85 mi0.85 mi1665+521575+501575+501174(Top 4%)1096(Top 7%)1096(Top 19%)
25.2M25.20 mi0.35 mi1645+201557+181557+181240(Top 4%)1142(Top 7%)1142(Top 20%)
Finish26.22 mi1.02 mi1561+841477+801477+80783(Top 3%)737(Top 5%)737(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2578

Males

2461

M18-39

2461

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2831

Males

2694

M18-39

2694

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2578

Males

2461

M18-39

2461

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2263

Males

2156

M18-39

2156

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2339

Males

2236

M18-39

2236

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1827

Males

1735

M18-39

1735

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1629

Males

1544

M18-39

1544

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1142

Males

1078

M18-39

1078

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

975

Males

925

M18-39

925

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1088

Males

1026

M18-39

1026

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1011

Males

954

M18-39

954

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

978

Males

920

M18-39

920

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1174

Males

1096

M18-39

1096

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1240

Males

1142

M18-39

1142

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

783

Males

737

M18-39

737

Passing Analysis

Category:
Athletes Passed
1299
Passed By
374
Net Change
+925
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2486
5K → 10K62234-172#2486#2658
10K → 15K9266+26#2658#2632
15K → 20K14718+129#2632#2503
20K → Half1810+8#2503#2495
Half → 25K14810+138#2495#2357
25K → 30K2049+195#2357#2162
30K → 20M1073+104#2162#2058
20M → 21M1042+102#2058#1956
21M → 35K620+62#1956#1894
35K → 23M1112+109#1894#1785
23M → 24M746+68#1785#1717
24M → 40K553+52#1717#1665
40K → 25.2M288+20#1665#1645
25.2M → Finish873+84#1645#1561
TOTALS1299374+925
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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