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BOSTON MARATHON 2025

Brian Renaud

Bib: 31735•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
9:56/mi
30:53
↑ 97↓ 3451.5%
10K· 6.21 mi
10:13/mi
1:02:39
↑ 79↓ 1380.4%
15K· 9.32 mi
10:28/mi
1:35:09
↑ 67↓ 78
20K· 12.43 mi
10:03/mi
2:06:21
↑ 106↓ 860.1%
Half· 13.11 mi
9:59/mi
2:13:10
↑ 19↓ 370.5%
25K· 15.53 mi
10:27/mi
2:38:30
↑ 66↓ 880.2%
30K· 18.64 mi
10:56/mi
3:12:27
↑ 181↓ 1480.2%
20M
11:15/mi
3:27:44
↑ 64↓ 500.2%
21M
12:28/mi
3:40:12
↑ 106↓ 241.6%
35K· 21.75 mi
11:16/mi
3:48:38
↑ 17↓ 861.7%
23M
11:16/mi
4:02:44
↑ 23↓ 630.6%
24M
10:48/mi
4:13:32
↓ 821.3%
40K· 24.85 mi
10:29/mi
4:22:30
↓ 200.3%
25.2M
11:48/mi
4:26:34
↑ 13↓ 160.2%
Finish· 26.22 mi
10:10/mi
4:36:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:10
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:23:46
Pace10:58 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4530:539:5630:53
9:56
-
10K
6.21 mi12:26:311:02:3910:0531:46
10:13
+0:17
15K
9.32 mi12:59:011:35:0910:1332:30
10:28
+0:15
20K
12.43 mi13:30:132:06:2110:1031:12
10:03
-0:25
Half
13.11 mi13:37:022:13:1010:096:49
9:59
-0:04
25K
15.53 mi14:02:222:38:3010:1225:20
10:27
+0:28
30K
18.64 mi14:36:193:12:2710:1933:57
10:56
+0:29
20M
20.00 mi14:51:363:27:4410:2315:17
11:15
+0:19
21M
21.00 mi15:04:043:40:1210:2912:28
12:28
+1:13
35K
21.75 mi15:12:303:48:3810:318:26
11:16
-1:12
23M
23.00 mi15:26:364:02:4410:3314:06
11:16
0:00
24M
24.00 mi15:37:244:13:3210:3410:48
10:48
-0:28
40K
24.85 mi15:46:224:22:3010:348:58
10:29
-0:19
25.2M
25.20 mi15:50:264:26:3410:354:04
11:48
+1:19
Finish
26.22 mi16:00:484:36:5610:3410:22
10:10
-1:38

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

9:56 /mi

Average Pace

10:34 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:54

25% of race

Time at Steady Pace

1:59:44

43% of race

Time at Slower Pace

1:28:18

32% of race

Average Pace: 10:34 /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 mi11:54:4530:539:5630:53
9:56
#25443
10K
6.21 mi12:26:311:02:3910:0531:46
10:13
#25619
15K
9.32 mi12:59:011:35:0910:1332:30
10:28
#25734
20K
12.43 mi13:30:132:06:2110:1031:12
10:03
#25368
Half
13.11 mi13:37:022:13:1010:096:49
9:59
#25334
25K
15.53 mi14:02:222:38:3010:1225:20
10:27
#25123
30K
18.64 mi14:36:193:12:2710:1933:57
10:56
#24918
20M
20.00 mi14:51:363:27:4410:2315:17
11:15
#24860
21M
21.00 mi15:04:043:40:1210:2912:28
12:28
#24824
35K
21.75 mi15:12:303:48:3810:318:26
11:16
#24834
23M
23.00 mi15:26:364:02:4410:3314:06
11:16
#24796
24M
24.00 mi15:37:244:13:3210:3410:48
10:48
#24755
40K
24.85 mi15:46:224:22:3010:348:58
10:29
#24662
25.2M
25.20 mi15:50:264:26:3410:354:04
11:48
#24651
Finish
26.22 mi16:00:484:36:5610:3410:22
10:10
#24607
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi25443149311493125853(Top 91%)15083(Top 94%)15083(Top 915%)
10K6.21 mi3.10 mi25619-17614990-5914990-5925782(Top 91%)15041(Top 93%)15041(Top 913%)
15K9.32 mi3.11 mi25734-11515036-4615036-4625853(Top 91%)15083(Top 94%)15083(Top 915%)
20K12.43 mi3.11 mi25368+36614861+17514861+17524311(Top 86%)14363(Top 89%)14363(Top 872%)
Half13.11 mi0.68 mi25334+3414844+1714844+1724808(Top 87%)14578(Top 91%)14578(Top 885%)
25K15.53 mi2.42 mi25123+21114740+10414740+10424269(Top 85%)14312(Top 89%)14312(Top 868%)
30K18.64 mi3.11 mi24918+20514621+11914621+11923879(Top 84%)14015(Top 87%)14015(Top 850%)
20M20.00 mi1.36 mi24860+5814577+4414577+4424089(Top 85%)14028(Top 87%)14028(Top 851%)
21M21.00 mi1.00 mi24824+3614553+2414553+2424359(Top 86%)14087(Top 87%)14087(Top 855%)
35K21.75 mi0.75 mi24834-1014549+414549+424722(Top 87%)14222(Top 88%)14222(Top 863%)
23M23.00 mi1.25 mi24796+3814516+3314516+3323809(Top 84%)13743(Top 85%)13743(Top 834%)
24M24.00 mi1.00 mi24755+4114481+3514481+3523562(Top 83%)13602(Top 84%)13602(Top 825%)
40K24.85 mi0.85 mi24662+9314421+6014421+6021890(Top 77%)12697(Top 79%)12697(Top 770%)
25.2M25.20 mi0.35 mi24651+1114417+414417+422767(Top 80%)13170(Top 82%)13170(Top 799%)
Finish26.22 mi1.02 mi24607+4414388+2914388+2923446(Top 83%)13488(Top 84%)13488(Top 818%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25853

Males

15083

M55-59

15083

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25782

Males

15041

M55-59

15041

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25853

Males

15083

M55-59

15083

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24311

Males

14363

M55-59

14363

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24808

Males

14578

M55-59

14578

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24269

Males

14312

M55-59

14312

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23879

Males

14015

M55-59

14015

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24089

Males

14028

M55-59

14028

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24359

Males

14087

M55-59

14087

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24722

Males

14222

M55-59

14222

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23809

Males

13743

M55-59

13743

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23562

Males

13602

M55-59

13602

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21890

Males

12697

M55-59

12697

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22767

Males

13170

M55-59

13170

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23446

Males

13488

M55-59

13488

Passing Analysis

Category:
Athletes Passed
1579
Passed By
743
Net Change
+836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25443
5K → 10K130306-176#25443#25619
10K → 15K90205-115#25619#25734
15K → 20K3693+366#25734#25368
20K → Half428+34#25368#25334
Half → 25K22716+211#25334#25123
25K → 30K23732+205#25123#24918
30K → 20M8729+58#24918#24860
20M → 21M7236+36#24860#24824
21M → 35K3141-10#24824#24834
35K → 23M6426+38#24834#24796
23M → 24M6120+41#24796#24755
24M → 40K963+93#24755#24662
40K → 25.2M143+11#24662#24651
25.2M → Finish5915+44#24651#24607
TOTALS1579743+836
📊

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