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BOSTON MARATHON 2025

Matthew Bertrand

Bib: 11948•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Division (M45-49)
#0 / 2386
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
7:25/mi
23:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
45:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:08:56
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:32:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:37:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:55:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:19:27
↑ 181↓ 1480.2%
20M
7:53/mi
2:30:10
↑ 64↓ 500.2%
21M
8:23/mi
2:38:33
↑ 106↓ 241.6%
35K· 21.75 mi
7:40/mi
2:44:17
↑ 17↓ 861.7%
23M
7:54/mi
2:54:10
↑ 23↓ 630.6%
24M
7:48/mi
3:01:58
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:08:53
↓ 200.3%
25.2M
8:56/mi
3:11:58
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:19:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:14
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:42:26
Pace7:49 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3123:017:2523:01
7:25
-
10K
6.21 mi11:13:2845:587:2422:57
7:23
-0:02
15K
9.32 mi11:36:261:08:567:2422:58
7:24
+0:01
20K
12.43 mi11:59:391:32:097:2523:13
7:28
+0:04
Half
13.11 mi12:04:441:37:147:255:05
7:27
-0:01
25K
15.53 mi12:22:561:55:267:2618:12
7:30
+0:03
30K
18.64 mi12:46:572:19:277:2924:01
7:44
+0:14
20M
20.00 mi12:57:402:30:107:3010:43
7:53
+0:09
21M
21.00 mi13:06:032:38:337:338:23
8:23
+0:30
35K
21.75 mi13:11:472:44:177:335:44
7:40
-0:43
23M
23.00 mi13:21:402:54:107:349:53
7:54
+0:14
24M
24.00 mi13:29:283:01:587:357:48
7:48
-0:06
40K
24.85 mi13:36:233:08:537:366:55
8:05
+0:17
25.2M
25.20 mi13:39:283:11:587:373:05
8:56
+0:51
Finish
26.22 mi13:47:103:19:407:377:42
7:33
-1:23

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

7:23 /mi

Average Pace

7:37 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:01

37% of race

Time at Steady Pace

1:26:40

43% of race

Time at Slower Pace

38:59

20% of race

Average Pace: 7:37 /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 mi10:50:3123:017:2523:01
7:25
#11391
10K
6.21 mi11:13:2845:587:2422:57
7:23
#11209
15K
9.32 mi11:36:261:08:567:2422:58
7:24
#11014
20K
12.43 mi11:59:391:32:097:2523:13
7:28
#10878
Half
13.11 mi12:04:441:37:147:255:05
7:27
#10890
25K
15.53 mi12:22:561:55:267:2618:12
7:30
#10692
30K
18.64 mi12:46:572:19:277:2924:01
7:44
#10408
20M
20.00 mi12:57:402:30:107:3010:43
7:53
#10318
21M
21.00 mi13:06:032:38:337:338:23
8:23
#10243
35K
21.75 mi13:11:472:44:177:335:44
7:40
#10217
23M
23.00 mi13:21:402:54:107:349:53
7:54
#10120
24M
24.00 mi13:29:283:01:587:357:48
7:48
#10082
40K
24.85 mi13:36:233:08:537:366:55
8:05
#10074
25.2M
25.20 mi13:39:283:11:587:373:05
8:56
#10084
Finish
26.22 mi13:47:103:19:407:377:42
7:33
#10041
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi113918885888510791(Top 38%)8497(Top 53%)8497(Top 356%)
10K6.21 mi3.10 mi11209+1828776+1098776+10911060(Top 39%)8694(Top 54%)8694(Top 364%)
15K9.32 mi3.11 mi11014+1958658+1188658+11810791(Top 38%)8497(Top 53%)8497(Top 356%)
20K12.43 mi3.11 mi10878+1368573+858573+8510517(Top 37%)8268(Top 51%)8268(Top 347%)
Half13.11 mi0.68 mi10890-128573857311237(Top 40%)8648(Top 54%)8648(Top 362%)
25K15.53 mi2.42 mi10692+1988437+1368437+13610008(Top 35%)7879(Top 49%)7879(Top 330%)
30K18.64 mi3.11 mi10408+2848224+2138224+2139402(Top 33%)7375(Top 46%)7375(Top 309%)
20M20.00 mi1.36 mi10318+908135+898135+899606(Top 34%)7319(Top 45%)7319(Top 307%)
21M21.00 mi1.00 mi10243+758052+838052+839735(Top 34%)7227(Top 45%)7227(Top 303%)
35K21.75 mi0.75 mi10217+268022+308022+309769(Top 34%)7247(Top 45%)7247(Top 304%)
23M23.00 mi1.25 mi10120+977930+927930+929236(Top 33%)6845(Top 43%)6845(Top 287%)
24M24.00 mi1.00 mi10082+387874+567874+569782(Top 34%)7053(Top 44%)7053(Top 296%)
40K24.85 mi0.85 mi10074+87838+367838+3610757(Top 38%)7435(Top 46%)7435(Top 312%)
25.2M25.20 mi0.35 mi10084-107825+137825+1311398(Top 40%)7658(Top 48%)7658(Top 321%)
Finish26.22 mi1.02 mi10041+437774+517774+519581(Top 34%)6753(Top 42%)6753(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10791

Males

8497

M45-49

8497

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11060

Males

8694

M45-49

8694

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10791

Males

8497

M45-49

8497

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10517

Males

8268

M45-49

8268

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11237

Males

8648

M45-49

8648

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

10008

Males

7879

M45-49

7879

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9402

Males

7375

M45-49

7375

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9606

Males

7319

M45-49

7319

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9735

Males

7227

M45-49

7227

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9769

Males

7247

M45-49

7247

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9236

Males

6845

M45-49

6845

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9782

Males

7053

M45-49

7053

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10757

Males

7435

M45-49

7435

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11398

Males

7658

M45-49

7658

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9581

Males

6753

M45-49

6753

Passing Analysis

Category:
Athletes Passed
2347
Passed By
995
Net Change
+1350
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11391
5K → 10K355173+182#11391#11209
10K → 15K28186+195#11209#11014
15K → 20K238102+136#11014#10878
20K → Half3143-12#10878#10890
Half → 25K25456+198#10890#10692
25K → 30K36480+284#10692#10408
30K → 20M16676+90#10408#10318
20M → 21M13661+75#10318#10243
21M → 35K6943+26#10243#10217
35K → 23M15255+97#10217#10120
23M → 24M9354+38#10120#10082
24M → 40K8779+8#10082#10074
40K → 25.2M2737-10#10074#10084
25.2M → Finish9450+43#10084#10041
TOTALS2347995+1350
📊

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