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BOSTON MARATHON 2025

Arthur Lagaron

Bib: 7066•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:41
Rank: #2678
Start → 5K
19:41 | 6:20/mi
10K· 6.21 mi
40:09
Rank: #3498 (-820)
5K → 10K
20:28 | 6:35/mi
15K· 9.32 mi
1:00:42
Rank: #3786 (-288)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:21:51
Rank: #4059 (-273)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:26:36
Rank: #4222 (-163)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:44:55
Rank: #5306 (-1084)
Half → 25K
18:19 | 7:33/mi
30K· 18.64 mi
2:09:39
Rank: #6363 (-1057)
25K → 30K
24:44 | 7:58/mi
20M
2:20:53
Rank: #6677 (-314)
30K → 20M
11:14 | 8:16/mi
21M
2:29:57
Rank: #6997 (-320)
20M → 21M
9:04 | 9:04/mi
35K· 21.75 mi
2:36:15
Rank: #7217 (-220)
21M → 35K
6:18 | 8:25/mi
23M
2:47:20
Rank: #7643 (-426)
35K → 23M
11:05 | 8:51/mi
24M
2:56:08
Rank: #8016 (-373)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:05:13
Rank: #8826 (-810)
24M → 40K
9:05 | 10:37/mi
25.2M
3:09:35
Rank: #9290 (-464)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
3:20:39
Rank: #10332 (-1042)
25.2M → Finish
11:04 | 10:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:36
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:54:03
Pace8:42 /mi
📊Positive Split: 31.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5619:416:2019:41
6:20
-
10K
6.21 mi10:46:2440:096:2820:28
6:35
+0:15
15K
9.32 mi11:06:571:00:426:3120:33
6:37
+0:02
20K
12.43 mi11:28:061:21:516:3521:09
6:48
+0:11
Half
13.11 mi11:32:511:26:366:364:45
6:58
+0:10
25K
15.53 mi11:51:101:44:556:4518:19
7:33
+0:35
30K
18.64 mi12:15:542:09:396:5724:44
7:58
+0:25
20M
20.00 mi12:27:082:20:537:0311:14
8:16
+0:18
21M
21.00 mi12:36:122:29:577:089:04
9:04
+0:48
35K
21.75 mi12:42:302:36:157:116:18
8:25
-0:39
23M
23.00 mi12:53:352:47:207:1711:05
8:51
+0:26
24M
24.00 mi13:02:232:56:087:208:48
8:48
-0:03
40K
24.85 mi13:11:283:05:137:279:05
10:37
+1:49
25.2M
25.20 mi13:15:503:09:357:314:22
12:40
+2:03
Finish
26.22 mi13:26:543:20:397:4011:04
10:52
-1:48

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

6:20 /mi

Average Pace

7:40 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:36

43% of race

Time at Steady Pace

1:29:32

45% of race

Time at Slower Pace

24:31

12% of race

Average Pace: 7:39 /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 mi10:25:5619:416:2019:41
6:20
#2678
10K
6.21 mi10:46:2440:096:2820:28
6:35
#3498
15K
9.32 mi11:06:571:00:426:3120:33
6:37
#3786
20K
12.43 mi11:28:061:21:516:3521:09
6:48
#4059
Half
13.11 mi11:32:511:26:366:364:45
6:58
#4222
25K
15.53 mi11:51:101:44:556:4518:19
7:33
#5306
30K
18.64 mi12:15:542:09:396:5724:44
7:58
#6363
20M
20.00 mi12:27:082:20:537:0311:14
8:16
#6677
21M
21.00 mi12:36:122:29:577:089:04
9:04
#6997
35K
21.75 mi12:42:302:36:157:116:18
8:25
#7217
23M
23.00 mi12:53:352:47:207:1711:05
8:51
#7643
24M
24.00 mi13:02:232:56:087:208:48
8:48
#8016
40K
24.85 mi13:11:283:05:137:279:05
10:37
#8826
25.2M
25.20 mi13:15:503:09:357:314:22
12:40
#9290
Finish
26.22 mi13:26:543:20:397:4011:04
10:52
#10332
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2678255325534363(Top 15%)4097(Top 25%)4097(Top 73%)
10K6.21 mi3.10 mi3498-8203320-7673320-7674388(Top 15%)4121(Top 26%)4121(Top 73%)
15K9.32 mi3.11 mi3786-2883578-2583578-2584363(Top 15%)4097(Top 25%)4097(Top 73%)
20K12.43 mi3.11 mi4059-2733822-2443822-2445384(Top 19%)4940(Top 31%)4940(Top 88%)
Half13.11 mi0.68 mi4222-1633970-1483970-1487322(Top 26%)6464(Top 40%)6464(Top 115%)
25K15.53 mi2.42 mi5306-10844897-9274897-92710386(Top 37%)8078(Top 50%)8078(Top 143%)
30K18.64 mi3.11 mi6363-10575724-8275724-82711095(Top 39%)8230(Top 51%)8230(Top 146%)
20M20.00 mi1.36 mi6677-3145941-2175941-21712233(Top 43%)8630(Top 54%)8630(Top 153%)
21M21.00 mi1.00 mi6997-3206152-2116152-21113866(Top 49%)9263(Top 58%)9263(Top 164%)
35K21.75 mi0.75 mi7217-2206283-1316283-13114930(Top 53%)9679(Top 60%)9679(Top 172%)
23M23.00 mi1.25 mi7643-4266512-2296512-22915373(Top 54%)9793(Top 61%)9793(Top 174%)
24M24.00 mi1.00 mi8016-3736708-1966708-19616283(Top 57%)10141(Top 63%)10141(Top 180%)
40K24.85 mi0.85 mi8826-8107161-4537161-45322234(Top 78%)12844(Top 80%)12844(Top 228%)
25.2M25.20 mi0.35 mi9290-4647409-2487409-24824463(Top 86%)13982(Top 87%)13982(Top 248%)
Finish26.22 mi1.02 mi10332-10427917-5087917-50825075(Top 88%)14318(Top 89%)14318(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4363

Males

4097

M18-39

4097

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4388

Males

4121

M18-39

4121

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4363

Males

4097

M18-39

4097

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5384

Males

4940

M18-39

4940

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7322

Males

6464

M18-39

6464

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10386

Males

8078

M18-39

8078

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11095

Males

8230

M18-39

8230

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12233

Males

8630

M18-39

8630

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13866

Males

9263

M18-39

9263

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14930

Males

9679

M18-39

9679

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15373

Males

9793

M18-39

9793

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16283

Males

10141

M18-39

10141

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22234

Males

12844

M18-39

12844

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24463

Males

13982

M18-39

13982

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

25075

Males

14318

M18-39

14318

Passing Analysis

Category:
Athletes Passed
236
Passed By
7888
Net Change
-7654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2678
5K → 10K10830-820#2678#3498
10K → 15K32320-288#3498#3786
15K → 20K36309-273#3786#4059
20K → Half1164-163#4059#4222
Half → 25K91093-1084#4222#5306
25K → 30K321089-1057#5306#6363
30K → 20M34348-314#6363#6677
20M → 21M21341-320#6677#6997
21M → 35K14234-220#6997#7217
35K → 23M23449-426#7217#7643
23M → 24M15388-373#7643#8016
24M → 40K6816-810#8016#8826
40K → 25.2M1465-464#8826#9290
25.2M → Finish21042-1042#9290#10332
TOTALS2367888-7654
📊

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