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BOSTON MARATHON 2025

John Anderson

Bib: 3427•M

KY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #5917
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
42:01
Rank: #5934 (-17)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:02:55
Rank: #5694 (+240)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:23:52
Rank: #5456 (+238)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:28:23
Rank: #5394 (+62)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:23
Rank: #4965 (+429)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
2:05:07
Rank: #4404 (+561)
25K → 30K
20:44 | 6:40/mi
20M
2:14:14
Rank: #4188 (+216)
30K → 20M
9:07 | 6:43/mi
21M
2:21:03
Rank: #3960 (+228)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:25:40
Rank: #3808 (+152)
21M → 35K
4:37 | 6:10/mi
23M
2:33:40
Rank: #3556 (+252)
35K → 23M
8:00 | 6:23/mi
24M
2:39:59
Rank: #3383 (+173)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:45:31
Rank: #3257 (+126)
24M → 40K
5:32 | 6:28/mi
25.2M
2:47:51
Rank: #3171 (+86)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:54:04
Rank: #3014 (+157)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:23
Pace6:45 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:41
Pace6:32 /mi
📊Negative Split: 3.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4720:596:4520:59
6:45
-
10K
6.21 mi10:43:4942:016:4621:02
6:46
+0:01
15K
9.32 mi11:04:431:02:556:4520:54
6:44
-0:02
20K
12.43 mi11:25:401:23:526:4520:57
6:45
+0:01
Half
13.11 mi11:30:111:28:236:454:31
6:37
-0:08
25K
15.53 mi11:46:111:44:236:4316:00
6:36
-0:01
30K
18.64 mi12:06:552:05:076:4320:44
6:40
+0:04
20M
20.00 mi12:16:022:14:146:439:07
6:43
+0:03
21M
21.00 mi12:22:512:21:036:436:49
6:49
+0:06
35K
21.75 mi12:27:282:25:406:424:37
6:10
-0:39
23M
23.00 mi12:35:282:33:406:418:00
6:23
+0:13
24M
24.00 mi12:41:472:39:596:406:19
6:19
-0:04
40K
24.85 mi12:47:192:45:316:405:32
6:28
+0:09
25.2M
25.20 mi12:49:392:47:516:402:20
6:46
+0:18
Finish
26.22 mi12:55:522:54:046:396:13
6:06
-0:40

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

6:06 /mi

Average Pace

6:39 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:56

41% of race

Time at Steady Pace

1:42:08

59% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:22:4720:596:4520:59
6:45
#5917
10K
6.21 mi10:43:4942:016:4621:02
6:46
#5934
15K
9.32 mi11:04:431:02:556:4520:54
6:44
#5694
20K
12.43 mi11:25:401:23:526:4520:57
6:45
#5456
Half
13.11 mi11:30:111:28:236:454:31
6:37
#5394
25K
15.53 mi11:46:111:44:236:4316:00
6:36
#4965
30K
18.64 mi12:06:552:05:076:4320:44
6:40
#4404
20M
20.00 mi12:16:022:14:146:439:07
6:43
#4188
21M
21.00 mi12:22:512:21:036:436:49
6:49
#3960
35K
21.75 mi12:27:282:25:406:424:37
6:10
#3808
23M
23.00 mi12:35:282:33:406:418:00
6:23
#3556
24M
24.00 mi12:41:472:39:596:406:19
6:19
#3383
40K
24.85 mi12:47:192:45:316:405:32
6:28
#3257
25.2M
25.20 mi12:49:392:47:516:402:20
6:46
#3171
Finish
26.22 mi12:55:522:54:046:396:13
6:06
#3014
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5917544354435316(Top 19%)4904(Top 30%)4904(Top 87%)
10K6.21 mi3.10 mi5934-175452-95452-96027(Top 21%)5504(Top 34%)5504(Top 98%)
15K9.32 mi3.11 mi5694+2405245+2075245+2075316(Top 19%)4904(Top 30%)4904(Top 87%)
20K12.43 mi3.11 mi5456+2385033+2125033+2124784(Top 17%)4427(Top 27%)4427(Top 78%)
Half13.11 mi0.68 mi5394+624984+494984+494487(Top 16%)4180(Top 26%)4180(Top 74%)
25K15.53 mi2.42 mi4965+4294609+3754609+3753443(Top 12%)3248(Top 20%)3248(Top 58%)
30K18.64 mi3.11 mi4404+5614115+4944115+4942757(Top 10%)2609(Top 16%)2609(Top 46%)
20M20.00 mi1.36 mi4188+2163919+1963919+1962496(Top 9%)2350(Top 15%)2350(Top 42%)
21M21.00 mi1.00 mi3960+2283710+2093710+2091590(Top 6%)1499(Top 9%)1499(Top 27%)
35K21.75 mi0.75 mi3808+1523575+1353575+1351155(Top 4%)1090(Top 7%)1090(Top 19%)
23M23.00 mi1.25 mi3556+2523341+2343341+2341106(Top 4%)1046(Top 6%)1046(Top 19%)
24M24.00 mi1.00 mi3383+1733184+1573184+1571363(Top 5%)1275(Top 8%)1275(Top 23%)
40K24.85 mi0.85 mi3257+1263067+1173067+1171518(Top 5%)1405(Top 9%)1405(Top 25%)
25.2M25.20 mi0.35 mi3171+862985+822985+82916(Top 3%)849(Top 5%)849(Top 15%)
Finish26.22 mi1.02 mi3014+1572842+1432842+1431203(Top 4%)1126(Top 7%)1126(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5316

Males

4904

M18-39

4904

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6027

Males

5504

M18-39

5504

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5316

Males

4904

M18-39

4904

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4784

Males

4427

M18-39

4427

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4487

Males

4180

M18-39

4180

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3443

Males

3248

M18-39

3248

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2757

Males

2609

M18-39

2609

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2496

Males

2350

M18-39

2350

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1590

Males

1499

M18-39

1499

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1155

Males

1090

M18-39

1090

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1106

Males

1046

M18-39

1046

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1363

Males

1275

M18-39

1275

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1518

Males

1405

M18-39

1405

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

916

Males

849

M18-39

849

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1203

Males

1126

M18-39

1126

Passing Analysis

Category:
Athletes Passed
3170
Passed By
267
Net Change
+2903
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5917
5K → 10K168185-17#5917#5934
10K → 15K27535+240#5934#5694
15K → 20K26931+238#5694#5456
20K → Half653+62#5456#5394
Half → 25K4290+429#5394#4965
25K → 30K5665+561#4965#4404
30K → 20M2204+216#4404#4188
20M → 21M2280+228#4188#3960
21M → 35K1520+152#3960#3808
35K → 23M2531+252#3808#3556
23M → 24M1730+173#3556#3383
24M → 40K1271+126#3383#3257
40K → 25.2M860+86#3257#3171
25.2M → Finish1592+157#3171#3014
TOTALS3170267+2903
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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