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BOSTON MARATHON 2025

Guillaume Blanchard

Bib: 4707•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:55
Rank: #11099
Start → 5K
22:55 | 7:23/mi
10K· 6.21 mi
46:09
Rank: #11483 (-384)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:09:32
Rank: #11622 (-139)
10K → 15K
23:23 | 7:32/mi
20K· 12.43 mi
1:33:48
Rank: #12059 (-437)
15K → 20K
24:16 | 7:49/mi
Half· 13.11 mi
1:39:10
Rank: #12199 (-140)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
1:58:32
Rank: #12437 (-238)
Half → 25K
19:22 | 7:59/mi
30K· 18.64 mi
2:23:45
Rank: #12367 (+70)
25K → 30K
25:13 | 8:07/mi
20M
2:34:49
Rank: #12248 (+119)
30K → 20M
11:04 | 8:09/mi
21M
2:43:23
Rank: #12133 (+115)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:49:23
Rank: #12133
21M → 35K
6:00 | 8:01/mi
23M
2:59:48
Rank: #12100 (+33)
35K → 23M
10:25 | 8:19/mi
24M
3:08:04
Rank: #12130 (-30)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:15:09
Rank: #12114 (+16)
24M → 40K
7:05 | 8:17/mi
25.2M
3:18:18
Rank: #12107 (+7)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:26:33
Rank: #12141 (-34)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:10
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:47:23
Pace8:11 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0722:557:2322:55
7:23
-
10K
6.21 mi11:17:2146:097:2623:14
7:29
+0:06
15K
9.32 mi11:40:441:09:327:2823:23
7:32
+0:03
20K
12.43 mi12:05:001:33:487:3324:16
7:49
+0:17
Half
13.11 mi12:10:221:39:107:345:22
7:52
+0:03
25K
15.53 mi12:29:441:58:327:3819:22
7:59
+0:07
30K
18.64 mi12:54:572:23:457:4325:13
8:07
+0:08
20M
20.00 mi13:06:012:34:497:4411:04
8:09
+0:02
21M
21.00 mi13:14:352:43:237:478:34
8:34
+0:25
35K
21.75 mi13:20:352:49:237:476:00
8:01
-0:33
23M
23.00 mi13:31:002:59:487:4910:25
8:19
+0:18
24M
24.00 mi13:39:163:08:047:508:16
8:16
-0:03
40K
24.85 mi13:46:213:15:097:517:05
8:17
+0:01
25.2M
25.20 mi13:49:303:18:187:523:09
9:08
+0:51
Finish
26.22 mi13:57:453:26:337:538:15
8:06
-1:02

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

7:53 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:10

48% of race

Time at Steady Pace

1:25:15

41% of race

Time at Slower Pace

22:08

11% of race

Average Pace: 7:53 /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 mi10:54:0722:557:2322:55
7:23
#11099
10K
6.21 mi11:17:2146:097:2623:14
7:29
#11483
15K
9.32 mi11:40:441:09:327:2823:23
7:32
#11622
20K
12.43 mi12:05:001:33:487:3324:16
7:49
#12059
Half
13.11 mi12:10:221:39:107:345:22
7:52
#12199
25K
15.53 mi12:29:441:58:327:3819:22
7:59
#12437
30K
18.64 mi12:54:572:23:457:4325:13
8:07
#12367
20M
20.00 mi13:06:012:34:497:4411:04
8:09
#12248
21M
21.00 mi13:14:352:43:237:478:34
8:34
#12133
35K
21.75 mi13:20:352:49:237:476:00
8:01
#12133
23M
23.00 mi13:31:002:59:487:4910:25
8:19
#12100
24M
24.00 mi13:39:163:08:047:508:16
8:16
#12130
40K
24.85 mi13:46:213:15:097:517:05
8:17
#12114
25.2M
25.20 mi13:49:303:18:187:523:09
9:08
#12107
Finish
26.22 mi13:57:453:26:337:538:15
8:06
#12141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi110998741874111991(Top 42%)9064(Top 56%)9064(Top 161%)
10K6.21 mi3.10 mi11483-3848912-1718912-17111888(Top 42%)9101(Top 57%)9101(Top 161%)
15K9.32 mi3.11 mi11622-1398958-468958-4611991(Top 42%)9064(Top 56%)9064(Top 161%)
20K12.43 mi3.11 mi12059-4379124-1669124-16613336(Top 47%)9566(Top 59%)9566(Top 170%)
Half13.11 mi0.68 mi12199-1409177-539177-5314726(Top 52%)10201(Top 63%)10201(Top 181%)
25K15.53 mi2.42 mi12437-2389243-669243-6613771(Top 48%)9638(Top 60%)9638(Top 171%)
30K18.64 mi3.11 mi12367+709140+1039140+10312209(Top 43%)8784(Top 55%)8784(Top 156%)
20M20.00 mi1.36 mi12248+1199050+909050+9011412(Top 40%)8241(Top 51%)8241(Top 146%)
21M21.00 mi1.00 mi12133+1158960+908960+9010881(Top 38%)7820(Top 49%)7820(Top 139%)
35K21.75 mi0.75 mi121338932+288932+2812366(Top 44%)8501(Top 53%)8501(Top 151%)
23M23.00 mi1.25 mi12100+338888+448888+4412140(Top 43%)8297(Top 52%)8297(Top 147%)
24M24.00 mi1.00 mi12130-308863+258863+2512998(Top 46%)8645(Top 54%)8645(Top 153%)
40K24.85 mi0.85 mi12114+168821+428821+4212052(Top 42%)8085(Top 50%)8085(Top 143%)
25.2M25.20 mi0.35 mi12107+78798+238798+2312501(Top 44%)8230(Top 51%)8230(Top 146%)
Finish26.22 mi1.02 mi12141-348792+68792+613533(Top 48%)8780(Top 55%)8780(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11991

Males

9064

M18-39

9064

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11888

Males

9101

M18-39

9101

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11991

Males

9064

M18-39

9064

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13336

Males

9566

M18-39

9566

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14726

Males

10201

M18-39

10201

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13771

Males

9638

M18-39

9638

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12209

Males

8784

M18-39

8784

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11412

Males

8241

M18-39

8241

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10881

Males

7820

M18-39

7820

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12366

Males

8501

M18-39

8501

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12140

Males

8297

M18-39

8297

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12998

Males

8645

M18-39

8645

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

12052

Males

8085

M18-39

8085

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12501

Males

8230

M18-39

8230

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13533

Males

8780

M18-39

8780

Passing Analysis

Category:
Athletes Passed
1464
Passed By
2506
Net Change
-1042
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11099
5K → 10K113497-384#11099#11483
10K → 15K138277-139#11483#11622
15K → 20K79516-437#11622#12059
20K → Half10150-140#12059#12199
Half → 25K95333-238#12199#12437
25K → 30K266196+70#12437#12367
30K → 20M17556+119#12367#12248
20M → 21M15742+115#12248#12133
21M → 35K64640#12133#12133
35K → 23M12188+33#12133#12100
23M → 24M71101-30#12100#12130
24M → 40K7862+16#12130#12114
40K → 25.2M4336+7#12114#12107
25.2M → Finish5488-34#12107#12141
TOTALS14642506-1042
📊

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