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BOSTON MARATHON 2025

Alexandre Neron

Bib: 3718•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
Masters (Masters Men)
#0 / 10463
Top 5%
Division (M45-49)
#0 / 2386
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:51
Rank: #3035
Start → 5K
6:23/mi
19:51 split
10K· 6.21 mi
40:03
Rank: #3364 (-329)
5K → 10K
6:30/mi
20:12 split
15K· 9.32 mi
1:00:21
Rank: #3502 (-138)
10K → 15K
6:32/mi
20:18 split
20K· 12.43 mi
1:20:29
Rank: #3332 (+170)
15K → 20K
6:29/mi
20:08 split
Half· 13.11 mi
1:24:50
Rank: #3308 (+24)
20K → Half
6:23/mi
4:21 split
25K· 15.53 mi
1:40:38
Rank: #3239 (+69)
Half → 25K
6:31/mi
15:48 split
30K· 18.64 mi
2:01:43
Rank: #3213 (+26)
25K → 30K
6:47/mi
21:05 split
20M
2:10:52
Rank: #3126 (+87)
30K → 20M
6:44/mi
9:09 split
21M
2:17:55
Rank: #3034 (+92)
20M → 21M
7:03/mi
7:03 split
35K· 21.75 mi
2:22:46
Rank: #2984 (+50)
21M → 35K
6:29/mi
4:51 split
23M
2:31:13
Rank: #2910 (+74)
35K → 23M
6:45/mi
8:27 split
24M
2:37:43
Rank: #2830 (+80)
23M → 24M
6:30/mi
6:30 split
40K· 24.85 mi
2:43:32
Rank: #2800 (+30)
24M → 40K
6:48/mi
5:49 split
25.2M
2:46:09
Rank: #2806 (-6)
40K → 25.2M
7:35/mi
2:37 split
Finish· 26.22 mi
2:52:47
Rank: #2774 (+32)
25.2M → Finish
6:31/mi
6:38 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:50
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:27:57
Pace6:43 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3519:516:2319:51
6:23
-
10K
6.21 mi10:42:4740:036:2720:12
6:30
+0:07
15K
9.32 mi11:03:051:00:216:2820:18
6:32
+0:02
20K
12.43 mi11:23:131:20:296:2920:08
6:29
-0:03
Half
13.11 mi11:27:341:24:506:284:21
6:23
-0:06
25K
15.53 mi11:43:221:40:386:2915:48
6:31
+0:08
30K
18.64 mi12:04:272:01:436:3221:05
6:47
+0:16
20M
20.00 mi12:13:362:10:526:339:09
6:44
-0:03
21M
21.00 mi12:20:392:17:556:347:03
7:03
+0:19
35K
21.75 mi12:25:302:22:466:344:51
6:29
-0:34
23M
23.00 mi12:33:572:31:136:348:27
6:45
+0:16
24M
24.00 mi12:40:272:37:436:346:30
6:30
-0:15
40K
24.85 mi12:46:162:43:326:355:49
6:48
+0:18
25.2M
25.20 mi12:48:532:46:096:362:37
7:35
+0:47
Finish
26.22 mi12:55:312:52:476:366:38
6:31
-1:04

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

6:23 /mi

Average Pace

6:36 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:07

94% of race

Time at Steady Pace

7:03

4% of race

Time at Slower Pace

2:37

2% of race

Average Pace: 6:35 /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 mi10:22:3519:516:2319:51
6:23
#3035
10K
6.21 mi10:42:4740:036:2720:12
6:30
#3364
15K
9.32 mi11:03:051:00:216:2820:18
6:32
#3502
20K
12.43 mi11:23:131:20:296:2920:08
6:29
#3332
Half
13.11 mi11:27:341:24:506:284:21
6:23
#3308
25K
15.53 mi11:43:221:40:386:2915:48
6:31
#3239
30K
18.64 mi12:04:272:01:436:3221:05
6:47
#3213
20M
20.00 mi12:13:362:10:526:339:09
6:44
#3126
21M
21.00 mi12:20:392:17:556:347:03
7:03
#3034
35K
21.75 mi12:25:302:22:466:344:51
6:29
#2984
23M
23.00 mi12:33:572:31:136:348:27
6:45
#2910
24M
24.00 mi12:40:272:37:436:346:30
6:30
#2830
40K
24.85 mi12:46:162:43:326:355:49
6:48
#2800
25.2M
25.20 mi12:48:532:46:096:362:37
7:35
#2806
Finish
26.22 mi12:55:312:52:476:366:38
6:31
#2774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3035288228823756(Top 13%)3542(Top 22%)3542(Top 148%)
10K6.21 mi3.10 mi3364-3293194-3123194-3123717(Top 13%)3506(Top 22%)3506(Top 147%)
15K9.32 mi3.11 mi3502-1383320-1263320-1263756(Top 13%)3542(Top 22%)3542(Top 148%)
20K12.43 mi3.11 mi3332+1703169+1513169+1512998(Top 11%)2852(Top 18%)2852(Top 120%)
Half13.11 mi0.68 mi3308+243148+213148+212895(Top 10%)2762(Top 17%)2762(Top 116%)
25K15.53 mi2.42 mi3239+693084+643084+642962(Top 10%)2816(Top 17%)2816(Top 118%)
30K18.64 mi3.11 mi3213+263050+343050+343346(Top 12%)3124(Top 19%)3124(Top 131%)
20M20.00 mi1.36 mi3126+872963+872963+872599(Top 9%)2441(Top 15%)2441(Top 102%)
21M21.00 mi1.00 mi3034+922874+892874+892436(Top 9%)2272(Top 14%)2272(Top 95%)
35K21.75 mi0.75 mi2984+502827+472827+472375(Top 8%)2218(Top 14%)2218(Top 93%)
23M23.00 mi1.25 mi2910+742755+722755+722454(Top 9%)2273(Top 14%)2273(Top 95%)
24M24.00 mi1.00 mi2830+802680+752680+752040(Top 7%)1893(Top 12%)1893(Top 79%)
40K24.85 mi0.85 mi2800+302653+272653+272834(Top 10%)2560(Top 16%)2560(Top 107%)
25.2M25.20 mi0.35 mi2806-62657-42657-43730(Top 13%)3212(Top 20%)3212(Top 135%)
Finish26.22 mi1.02 mi2774+322624+332624+332844(Top 10%)2539(Top 16%)2539(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3756

Males

3542

M45-49

3542

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3717

Males

3506

M45-49

3506

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3756

Males

3542

M45-49

3542

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2998

Males

2852

M45-49

2852

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2895

Males

2762

M45-49

2762

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2962

Males

2816

M45-49

2816

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3346

Males

3124

M45-49

3124

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2599

Males

2441

M45-49

2441

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2436

Males

2272

M45-49

2272

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2375

Males

2218

M45-49

2218

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2454

Males

2273

M45-49

2273

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2040

Males

1893

M45-49

1893

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2834

Males

2560

M45-49

2560

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3730

Males

3212

M45-49

3212

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2844

Males

2539

M45-49

2539

Passing Analysis

Category:
Athletes Passed
1092
Passed By
831
Net Change
+261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3035
5K → 10K34363-329#3035#3364
10K → 15K52190-138#3364#3502
15K → 20K19626+170#3502#3332
20K → Half284+24#3332#3308
Half → 25K9728+69#3308#3239
25K → 30K12599+26#3239#3213
30K → 20M10013+87#3213#3126
20M → 21M1008+92#3126#3034
21M → 35K555+50#3034#2984
35K → 23M9319+74#2984#2910
23M → 24M9010+80#2910#2830
24M → 40K5727+30#2830#2800
40K → 25.2M1016-6#2800#2806
25.2M → Finish5523+32#2806#2774
TOTALS1092831+261
📊

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