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BOSTON MARATHON 2025

Chris Vachon

Bib: 3987•M

RI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
18:47
Rank: #1213
Start → 5K
18:47 | 6:03/mi
10K· 6.21 mi
37:25
Rank: #1136 (+77)
5K → 10K
18:38 | 6:00/mi
15K· 9.32 mi
55:57
Rank: #1055 (+81)
10K → 15K
18:32 | 5:58/mi
20K· 12.43 mi
1:14:26
Rank: #968 (+87)
15K → 20K
18:29 | 5:57/mi
Half· 13.11 mi
1:18:26
Rank: #953 (+15)
20K → Half
4:00 | 5:52/mi
25K· 15.53 mi
1:32:48
Rank: #878 (+75)
Half → 25K
14:22 | 5:56/mi
30K· 18.64 mi
1:51:32
Rank: #790 (+88)
25K → 30K
18:44 | 6:02/mi
20M
1:59:51
Rank: #757 (+33)
30K → 20M
8:19 | 6:07/mi
21M
2:06:05
Rank: #707 (+50)
20M → 21M
6:14 | 6:14/mi
35K· 21.75 mi
2:10:29
Rank: #686 (+21)
21M → 35K
4:24 | 5:53/mi
23M
2:18:18
Rank: #676 (+10)
35K → 23M
7:49 | 6:15/mi
24M
2:24:27
Rank: #673 (+3)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:29:56
Rank: #668 (+5)
24M → 40K
5:29 | 6:25/mi
25.2M
2:32:19
Rank: #675 (-7)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:38:33
Rank: #682 (-7)
25.2M → Finish
6:14 | 6:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:26
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:20:07
Pace6:07 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4318:476:0318:47
6:03
-
10K
6.21 mi10:39:2137:256:0118:38
6:00
-0:03
15K
9.32 mi10:57:5355:576:0018:32
5:58
-0:02
20K
12.43 mi11:16:221:14:265:5918:29
5:57
-0:01
Half
13.11 mi11:20:221:18:265:594:00
5:52
-0:05
25K
15.53 mi11:34:441:32:485:5814:22
5:56
+0:04
30K
18.64 mi11:53:281:51:325:5918:44
6:02
+0:06
20M
20.00 mi12:01:471:59:516:008:19
6:07
+0:05
21M
21.00 mi12:08:012:06:056:006:14
6:14
+0:07
35K
21.75 mi12:12:252:10:296:004:24
5:53
-0:21
23M
23.00 mi12:20:142:18:186:017:49
6:15
+0:22
24M
24.00 mi12:26:232:24:276:016:09
6:09
-0:06
40K
24.85 mi12:31:522:29:566:025:29
6:25
+0:16
25.2M
25.20 mi12:34:152:32:196:032:23
6:55
+0:30
Finish
26.22 mi12:40:292:38:336:036:14
6:07
-0:48

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

5:52 /mi

Average Pace

6:03 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:36:10

98% of race

Time at Steady Pace

2:23

2% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:4318:476:0318:47
6:03
#1213
10K
6.21 mi10:39:2137:256:0118:38
6:00
#1136
15K
9.32 mi10:57:5355:576:0018:32
5:58
#1055
20K
12.43 mi11:16:221:14:265:5918:29
5:57
#968
Half
13.11 mi11:20:221:18:265:594:00
5:52
#953
25K
15.53 mi11:34:441:32:485:5814:22
5:56
#878
30K
18.64 mi11:53:281:51:325:5918:44
6:02
#790
20M
20.00 mi12:01:471:59:516:008:19
6:07
#757
21M
21.00 mi12:08:012:06:056:006:14
6:14
#707
35K
21.75 mi12:12:252:10:296:004:24
5:53
#686
23M
23.00 mi12:20:142:18:186:017:49
6:15
#676
24M
24.00 mi12:26:232:24:276:016:09
6:09
#673
40K
24.85 mi12:31:522:29:566:025:29
6:25
#668
25.2M
25.20 mi12:34:152:32:196:032:23
6:55
#675
Finish
26.22 mi12:40:292:38:336:036:14
6:07
#682
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi121311481148925(Top 3%)872(Top 5%)872(Top 15%)
10K6.21 mi3.10 mi1136+771073+751073+751088(Top 4%)1026(Top 6%)1026(Top 18%)
15K9.32 mi3.11 mi1055+81995+78995+78925(Top 3%)872(Top 5%)872(Top 15%)
20K12.43 mi3.11 mi968+87911+84911+84738(Top 3%)690(Top 4%)690(Top 12%)
Half13.11 mi0.68 mi953+15898+13898+13735(Top 3%)689(Top 4%)689(Top 12%)
25K15.53 mi2.42 mi878+75826+72826+72627(Top 2%)580(Top 4%)580(Top 10%)
30K18.64 mi3.11 mi790+88741+85741+85544(Top 2%)507(Top 3%)507(Top 9%)
20M20.00 mi1.36 mi757+33709+32709+32570(Top 2%)536(Top 3%)536(Top 10%)
21M21.00 mi1.00 mi707+50660+49660+49295(Top 1%)276(Top 2%)276(Top 5%)
35K21.75 mi0.75 mi686+21639+21639+21501(Top 2%)466(Top 3%)466(Top 8%)
23M23.00 mi1.25 mi676+10628+11628+11749(Top 3%)706(Top 4%)706(Top 13%)
24M24.00 mi1.00 mi673+3625+3625+3880(Top 3%)826(Top 5%)826(Top 15%)
40K24.85 mi0.85 mi668+5619+6619+61273(Top 4%)1180(Top 7%)1180(Top 21%)
25.2M25.20 mi0.35 mi675-7626-7626-71203(Top 4%)1105(Top 7%)1105(Top 20%)
Finish26.22 mi1.02 mi682-7633-7633-71234(Top 4%)1152(Top 7%)1152(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

925

Males

872

M18-39

872

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1088

Males

1026

M18-39

1026

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

925

Males

872

M18-39

872

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

738

Males

690

M18-39

690

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

735

Males

689

M18-39

689

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

627

Males

580

M18-39

580

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

544

Males

507

M18-39

507

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

570

Males

536

M18-39

536

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

295

Males

276

M18-39

276

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

501

Males

466

M18-39

466

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

749

Males

706

M18-39

706

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

880

Males

826

M18-39

826

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1273

Males

1180

M18-39

1180

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1203

Males

1105

M18-39

1105

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1234

Males

1152

M18-39

1152

Passing Analysis

Category:
Athletes Passed
634
Passed By
103
Net Change
+531
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1213
5K → 10K10730+77#1213#1136
10K → 15K876+81#1136#1055
15K → 20K914+87#1055#968
20K → Half161+15#968#953
Half → 25K761+75#953#878
25K → 30K913+88#878#790
30K → 20M385+33#790#757
20M → 21M511+50#757#707
21M → 35K232+21#707#686
35K → 23M2010+10#686#676
23M → 24M1310+3#676#673
24M → 40K149+5#673#668
40K → 25.2M29-7#668#675
25.2M → Finish512-7#675#682
TOTALS634103+531
📊

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