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BOSTON MARATHON 2025

Chris Gervais

Bib: 15013•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
7:22/mi
22:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:32/mi
1:09:33
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:33:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:38:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:57:18
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:22:05
↑ 181↓ 1480.2%
20M
8:34/mi
2:33:44
↑ 64↓ 500.2%
21M
9:59/mi
2:43:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:49:43
↑ 17↓ 861.7%
23M
8:56/mi
3:00:54
↑ 23↓ 630.6%
24M
9:58/mi
3:10:52
↓ 821.3%
40K· 24.85 mi
10:02/mi
3:19:27
↓ 200.3%
25.2M
10:18/mi
3:23:00
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:31:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:35
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:53:00
Pace8:37 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1422:547:2222:54
7:22
-
10K
6.21 mi11:17:2846:087:2523:14
7:29
+0:07
15K
9.32 mi11:40:531:09:337:2823:25
7:32
+0:03
20K
12.43 mi12:04:481:33:287:3123:55
7:42
+0:10
Half
13.11 mi12:09:551:38:357:315:07
7:30
-0:12
25K
15.53 mi12:28:381:57:187:3318:43
7:43
+0:13
30K
18.64 mi12:53:252:22:057:3724:47
7:59
+0:16
20M
20.00 mi13:05:042:33:447:4111:39
8:34
+0:35
21M
21.00 mi13:15:032:43:437:489:59
9:59
+1:25
35K
21.75 mi13:21:032:49:437:486:00
8:01
-1:58
23M
23.00 mi13:32:143:00:547:5211:11
8:56
+0:55
24M
24.00 mi13:42:123:10:527:579:58
9:58
+1:02
40K
24.85 mi13:50:473:19:278:018:35
10:02
+0:04
25.2M
25.20 mi13:54:203:23:008:033:33
10:18
+0:16
Finish
26.22 mi14:02:553:31:358:058:35
8:25
-1:53

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

7:22 /mi

Average Pace

8:05 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:08

22% of race

Time at Steady Pace

1:50:32

52% of race

Time at Slower Pace

54:55

26% of race

Average Pace: 8:04 /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 mi10:54:1422:547:2222:54
7:22
#11050
10K
6.21 mi11:17:2846:087:2523:14
7:29
#11454
15K
9.32 mi11:40:531:09:337:2823:25
7:32
#11643
20K
12.43 mi12:04:481:33:287:3123:55
7:42
#11813
Half
13.11 mi12:09:551:38:357:315:07
7:30
#11805
25K
15.53 mi12:28:381:57:187:3318:43
7:43
#11763
30K
18.64 mi12:53:252:22:057:3724:47
7:59
#11613
20M
20.00 mi13:05:042:33:447:4111:39
8:34
#11779
21M
21.00 mi13:15:032:43:437:489:59
9:59
#12272
35K
21.75 mi13:21:032:49:437:486:00
8:01
#12248
23M
23.00 mi13:32:143:00:547:5211:11
8:56
#12484
24M
24.00 mi13:42:123:10:527:579:58
9:58
#13054
40K
24.85 mi13:50:473:19:278:018:35
10:02
#13437
25.2M
25.20 mi13:54:203:23:008:033:33
10:18
#13540
Finish
26.22 mi14:02:553:31:358:058:35
8:25
#13638
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi110508718871812082(Top 43%)9107(Top 57%)9107(Top 456%)
10K6.21 mi3.10 mi11454-4048897-1798897-17911894(Top 42%)9107(Top 57%)9107(Top 456%)
15K9.32 mi3.11 mi11643-1898966-698966-6912082(Top 43%)9107(Top 57%)9107(Top 456%)
20K12.43 mi3.11 mi11813-1709012-469012-4612387(Top 44%)9142(Top 57%)9142(Top 458%)
Half13.11 mi0.68 mi11805+88995+178995+1711689(Top 41%)8899(Top 55%)8899(Top 446%)
25K15.53 mi2.42 mi11763+428942+538942+5311702(Top 41%)8709(Top 54%)8709(Top 436%)
30K18.64 mi3.11 mi11613+1508795+1478795+14711217(Top 39%)8300(Top 52%)8300(Top 416%)
20M20.00 mi1.36 mi11779-1668840-458840-4514225(Top 50%)9558(Top 59%)9558(Top 479%)
21M21.00 mi1.00 mi12272-4939024-1849024-18418211(Top 64%)11252(Top 70%)11252(Top 564%)
35K21.75 mi0.75 mi12248+248987+378987+3712383(Top 44%)8518(Top 53%)8518(Top 427%)
23M23.00 mi1.25 mi12484-2369058-719058-7115850(Top 56%)9998(Top 62%)9998(Top 501%)
24M24.00 mi1.00 mi13054-5709285-2279285-22721240(Top 75%)12456(Top 77%)12456(Top 624%)
40K24.85 mi0.85 mi13437-3839437-1529437-15220546(Top 72%)12057(Top 75%)12057(Top 604%)
25.2M25.20 mi0.35 mi13540-1039464-279464-2718205(Top 64%)10898(Top 68%)10898(Top 546%)
Finish26.22 mi1.02 mi13638-989481-179481-1715706(Top 55%)9795(Top 61%)9795(Top 491%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12082

Males

9107

M50-54

9107

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11894

Males

9107

M50-54

9107

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12082

Males

9107

M50-54

9107

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12387

Males

9142

M50-54

9142

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11689

Males

8899

M50-54

8899

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11702

Males

8709

M50-54

8709

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11217

Males

8300

M50-54

8300

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14225

Males

9558

M50-54

9558

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18211

Males

11252

M50-54

11252

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12383

Males

8518

M50-54

8518

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15850

Males

9998

M50-54

9998

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21240

Males

12456

M50-54

12456

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20546

Males

12057

M50-54

12057

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18205

Males

10898

M50-54

10898

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15706

Males

9795

M50-54

9795

Passing Analysis

Category:
Athletes Passed
1184
Passed By
3772
Net Change
-2588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11050
5K → 10K108512-404#11050#11454
10K → 15K120309-189#11454#11643
15K → 20K132302-170#11643#11813
20K → Half3830+8#11813#11805
Half → 25K170128+42#11805#11763
25K → 30K301151+150#11763#11613
30K → 20M74240-166#11613#11779
20M → 21M29522-493#11779#12272
21M → 35K7248+24#12272#12248
35K → 23M58294-236#12248#12484
23M → 24M12582-570#12484#13054
24M → 40K14397-383#13054#13437
40K → 25.2M16119-103#13437#13540
25.2M → Finish40138-98#13540#13638
TOTALS11843772-2588
📊

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