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BOSTON MARATHON 2025

Mathieu Fillion

Bib: 1821•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M45-49)
#0 / 2386
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:00/mi
18:38
↑ 97↓ 3451.5%
10K· 6.21 mi
6:01/mi
37:19
↑ 79↓ 1380.4%
15K· 9.32 mi
6:01/mi
56:01
↑ 67↓ 78
20K· 12.43 mi
6:07/mi
1:15:02
↑ 106↓ 860.1%
Half· 13.11 mi
6:03/mi
1:19:10
↑ 19↓ 370.5%
25K· 15.53 mi
6:07/mi
1:34:00
↑ 66↓ 880.2%
30K· 18.64 mi
6:22/mi
1:53:46
↑ 181↓ 1480.2%
20M
6:29/mi
2:02:34
↑ 64↓ 500.2%
21M
6:57/mi
2:09:31
↑ 106↓ 241.6%
35K· 21.75 mi
6:18/mi
2:14:14
↑ 17↓ 861.7%
23M
6:48/mi
2:22:45
↑ 23↓ 630.6%
24M
7:04/mi
2:29:49
↓ 821.3%
40K· 24.85 mi
7:54/mi
2:36:34
↓ 200.3%
25.2M
9:37/mi
2:39:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
2:48:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:10
Pace6:02 /mi
2nd Half
Distance13.11 mi
Time1:29:25
Pace6:49 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0218:386:0018:38
6:00
-
10K
6.21 mi10:37:4337:196:0018:41
6:01
+0:01
15K
9.32 mi10:56:2556:016:0118:42
6:01
0:00
20K
12.43 mi11:15:261:15:026:0219:01
6:07
+0:06
Half
13.11 mi11:19:341:19:106:024:08
6:03
-0:04
25K
15.53 mi11:34:241:34:006:0314:50
6:07
+0:04
30K
18.64 mi11:54:101:53:466:0619:46
6:22
+0:15
20M
20.00 mi12:02:582:02:346:088:48
6:29
+0:07
21M
21.00 mi12:09:552:09:316:106:57
6:57
+0:28
35K
21.75 mi12:14:382:14:146:104:43
6:18
-0:39
23M
23.00 mi12:23:092:22:456:128:31
6:48
+0:30
24M
24.00 mi12:30:132:29:496:157:04
7:04
+0:16
40K
24.85 mi12:36:582:36:346:186:45
7:54
+0:50
25.2M
25.20 mi12:40:172:39:536:213:19
9:37
+1:43
Finish
26.22 mi12:48:592:48:356:268:42
8:32
-1:05

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

6:00 /mi

Average Pace

6:26 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:15:48

81% of race

Time at Slower Pace

32:47

19% of race

Average Pace: 6:26 /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 mi10:19:0218:386:0018:38
6:00
#1081
10K
6.21 mi10:37:4337:196:0018:41
6:01
#1093
15K
9.32 mi10:56:2556:016:0118:42
6:01
#1079
20K
12.43 mi11:15:261:15:026:0219:01
6:07
#1097
Half
13.11 mi11:19:341:19:106:024:08
6:03
#1106
25K
15.53 mi11:34:241:34:006:0314:50
6:07
#1092
30K
18.64 mi11:54:101:53:466:0619:46
6:22
#1134
20M
20.00 mi12:02:582:02:346:088:48
6:29
#1143
21M
21.00 mi12:09:552:09:316:106:57
6:57
#1166
35K
21.75 mi12:14:382:14:146:104:43
6:18
#1167
23M
23.00 mi12:23:092:22:456:128:31
6:48
#1191
24M
24.00 mi12:30:132:29:496:157:04
7:04
#1295
40K
24.85 mi12:36:582:36:346:186:45
7:54
#1453
25.2M
25.20 mi12:40:172:39:536:213:19
9:37
#1593
Finish
26.22 mi12:48:592:48:356:268:42
8:32
#1981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1081102210221098(Top 4%)1039(Top 6%)1039(Top 44%)
10K6.21 mi3.10 mi1093-121030-81030-81142(Top 4%)1080(Top 7%)1080(Top 45%)
15K9.32 mi3.11 mi1079+141019+111019+111098(Top 4%)1039(Top 6%)1039(Top 44%)
20K12.43 mi3.11 mi1097-181037-181037-181253(Top 4%)1188(Top 7%)1188(Top 50%)
Half13.11 mi0.68 mi1106-91046-91046-91386(Top 5%)1318(Top 8%)1318(Top 55%)
25K15.53 mi2.42 mi1092+141031+151031+151159(Top 4%)1093(Top 7%)1093(Top 46%)
30K18.64 mi3.11 mi1134-421070-391070-391413(Top 5%)1336(Top 8%)1336(Top 56%)
20M20.00 mi1.36 mi1143-91077-71077-71538(Top 5%)1453(Top 9%)1453(Top 61%)
21M21.00 mi1.00 mi1166-231099-221099-222038(Top 7%)1913(Top 12%)1913(Top 80%)
35K21.75 mi0.75 mi1167-1109910991620(Top 6%)1520(Top 9%)1520(Top 64%)
23M23.00 mi1.25 mi1191-241121-221121-222683(Top 9%)2466(Top 15%)2466(Top 103%)
24M24.00 mi1.00 mi1295-1041219-981219-984968(Top 17%)4225(Top 26%)4225(Top 177%)
40K24.85 mi0.85 mi1453-1581372-1531372-1539365(Top 33%)6705(Top 42%)6705(Top 281%)
25.2M25.20 mi0.35 mi1593-1401508-1361508-13615074(Top 53%)9413(Top 58%)9413(Top 395%)
Finish26.22 mi1.02 mi1981-3881877-3691877-36916406(Top 58%)10099(Top 63%)10099(Top 423%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1098

Males

1039

M45-49

1039

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

1142

Males

1080

M45-49

1080

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1098

Males

1039

M45-49

1039

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1253

Males

1188

M45-49

1188

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1386

Males

1318

M45-49

1318

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1159

Males

1093

M45-49

1093

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1413

Males

1336

M45-49

1336

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1538

Males

1453

M45-49

1453

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

2038

Males

1913

M45-49

1913

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1620

Males

1520

M45-49

1520

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2683

Males

2466

M45-49

2466

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4968

Males

4225

M45-49

4225

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9365

Males

6705

M45-49

6705

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15074

Males

9413

M45-49

9413

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16406

Males

10099

M45-49

10099

Passing Analysis

Category:
Athletes Passed
290
Passed By
1190
Net Change
-900
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1081
5K → 10K4658-12#1081#1093
10K → 15K4127+14#1093#1079
15K → 20K3048-18#1079#1097
20K → Half312-9#1097#1106
Half → 25K3723+14#1106#1092
25K → 30K3678-42#1092#1134
30K → 20M2534-9#1134#1143
20M → 21M2043-23#1143#1166
21M → 35K2021-1#1166#1167
35K → 23M2650-24#1167#1191
23M → 24M5109-104#1191#1295
24M → 40K0158-158#1295#1453
40K → 25.2M0140-140#1453#1593
25.2M → Finish1389-388#1593#1981
TOTALS2901190-900
📊

Passing Visuals

Category:
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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