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BOSTON MARATHON 2025

Alexandre Mainguy

Bib: 6444•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M45-49)
#0 / 2386
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #6041
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
41:54
Rank: #5771 (+270)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:02:50
Rank: #5633 (+138)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:23:34
Rank: #5215 (+418)
15K → 20K
20:44 | 6:40/mi
Half· 13.11 mi
1:27:55
Rank: #5059 (+156)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:43:42
Rank: #4586 (+473)
Half → 25K
15:47 | 6:31/mi
30K· 18.64 mi
2:04:37
Rank: #4193 (+393)
25K → 30K
20:55 | 6:44/mi
20M
2:13:56
Rank: #4089 (+104)
30K → 20M
9:19 | 6:51/mi
21M
2:20:57
Rank: #3933 (+156)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:25:54
Rank: #3877 (+56)
21M → 35K
4:57 | 6:37/mi
23M
2:34:27
Rank: #3781 (+96)
35K → 23M
8:33 | 6:50/mi
24M
2:41:12
Rank: #3732 (+49)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:46:59
Rank: #3648 (+84)
24M → 40K
5:47 | 6:46/mi
25.2M
2:49:33
Rank: #3610 (+38)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:56:03
Rank: #3503 (+107)
25.2M → Finish
6:30 | 6:23/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:55
Pace6:42 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:08
Pace6:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2621:016:4621:01
6:46
-
10K
6.21 mi10:48:1941:546:4520:53
6:43
-0:03
15K
9.32 mi11:09:151:02:506:4420:56
6:44
+0:01
20K
12.43 mi11:29:591:23:346:4320:44
6:40
-0:04
Half
13.11 mi11:34:201:27:556:424:21
6:23
-0:17
25K
15.53 mi11:50:071:43:426:4115:47
6:31
+0:08
30K
18.64 mi12:11:022:04:376:4120:55
6:44
+0:13
20M
20.00 mi12:20:212:13:566:429:19
6:51
+0:07
21M
21.00 mi12:27:222:20:576:437:01
7:01
+0:10
35K
21.75 mi12:32:192:25:546:434:57
6:37
-0:24
23M
23.00 mi12:40:522:34:276:438:33
6:50
+0:13
24M
24.00 mi12:47:372:41:126:436:45
6:45
-0:05
40K
24.85 mi12:53:242:46:596:435:47
6:46
+0:01
25.2M
25.20 mi12:55:582:49:336:442:34
7:27
+0:41
Finish
26.22 mi13:02:282:56:036:436:30
6:23
-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

6:43 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:29

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:27:2621:016:4621:01
6:46
#6041
10K
6.21 mi10:48:1941:546:4520:53
6:43
#5771
15K
9.32 mi11:09:151:02:506:4420:56
6:44
#5633
20K
12.43 mi11:29:591:23:346:4320:44
6:40
#5215
Half
13.11 mi11:34:201:27:556:424:21
6:23
#5059
25K
15.53 mi11:50:071:43:426:4115:47
6:31
#4586
30K
18.64 mi12:11:022:04:376:4120:55
6:44
#4193
20M
20.00 mi12:20:212:13:566:429:19
6:51
#4089
21M
21.00 mi12:27:222:20:576:437:01
7:01
#3933
35K
21.75 mi12:32:192:25:546:434:57
6:37
#3877
23M
23.00 mi12:40:522:34:276:438:33
6:50
#3781
24M
24.00 mi12:47:372:41:126:436:45
6:45
#3732
40K
24.85 mi12:53:242:46:596:435:47
6:46
#3648
25.2M
25.20 mi12:55:582:49:336:442:34
7:27
#3610
Finish
26.22 mi13:02:282:56:036:436:30
6:23
#3503
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6041554955495446(Top 19%)5005(Top 31%)5005(Top 210%)
10K6.21 mi3.10 mi5771+2705322+2275322+2275532(Top 19%)5093(Top 32%)5093(Top 213%)
15K9.32 mi3.11 mi5633+1385193+1295193+1295446(Top 19%)5005(Top 31%)5005(Top 210%)
20K12.43 mi3.11 mi5215+4184831+3624831+3624208(Top 15%)3945(Top 24%)3945(Top 165%)
Half13.11 mi0.68 mi5059+1564701+1304701+1302975(Top 10%)2842(Top 18%)2842(Top 119%)
25K15.53 mi2.42 mi4586+4734284+4174284+4172951(Top 10%)2807(Top 17%)2807(Top 118%)
30K18.64 mi3.11 mi4193+3933927+3573927+3573056(Top 11%)2873(Top 18%)2873(Top 120%)
20M20.00 mi1.36 mi4089+1043829+983829+983260(Top 11%)3016(Top 19%)3016(Top 126%)
21M21.00 mi1.00 mi3933+1563686+1433686+1432347(Top 8%)2193(Top 14%)2193(Top 92%)
35K21.75 mi0.75 mi3877+563634+523634+523073(Top 11%)2828(Top 18%)2828(Top 119%)
23M23.00 mi1.25 mi3781+963539+953539+952866(Top 10%)2628(Top 16%)2628(Top 110%)
24M24.00 mi1.00 mi3732+493486+533486+533249(Top 11%)2929(Top 18%)2929(Top 123%)
40K24.85 mi0.85 mi3648+843407+793407+792697(Top 9%)2454(Top 15%)2454(Top 103%)
25.2M25.20 mi0.35 mi3610+383369+383369+383185(Top 11%)2826(Top 18%)2826(Top 118%)
Finish26.22 mi1.02 mi3503+1073271+983271+982243(Top 8%)2056(Top 13%)2056(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5446

Males

5005

M45-49

5005

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5532

Males

5093

M45-49

5093

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5446

Males

5005

M45-49

5005

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4208

Males

3945

M45-49

3945

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2975

Males

2842

M45-49

2842

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2951

Males

2807

M45-49

2807

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3056

Males

2873

M45-49

2873

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3260

Males

3016

M45-49

3016

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2347

Males

2193

M45-49

2193

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3073

Males

2828

M45-49

2828

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2866

Males

2628

M45-49

2628

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3249

Males

2929

M45-49

2929

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2697

Males

2454

M45-49

2454

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3185

Males

2826

M45-49

2826

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2243

Males

2056

M45-49

2056

Passing Analysis

Category:
Athletes Passed
2768
Passed By
230
Net Change
+2538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6041
5K → 10K34070+270#6041#5771
10K → 15K19860+138#5771#5633
15K → 20K4224+418#5633#5215
20K → Half1560+156#5215#5059
Half → 25K4741+473#5059#4586
25K → 30K3996+393#4586#4193
30K → 20M12521+104#4193#4089
20M → 21M1582+156#4089#3933
21M → 35K648+56#3933#3877
35K → 23M11519+96#3877#3781
23M → 24M6819+49#3781#3732
24M → 40K917+84#3732#3648
40K → 25.2M435+38#3648#3610
25.2M → Finish1158+107#3610#3503
TOTALS2768230+2538
📊

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