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BOSTON MARATHON 2025

Archer Grenier

Bib: 6205•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 35%
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
21:37
Rank: #7468
Start → 5K
21:37 | 6:57/mi
10K· 6.21 mi
43:10
Rank: #7484 (-16)
5K → 10K
21:33 | 6:56/mi
15K· 9.32 mi
1:04:48
Rank: #7448 (+36)
10K → 15K
21:38 | 6:58/mi
20K· 12.43 mi
1:27:00
Rank: #7506 (-58)
15K → 20K
22:12 | 7:09/mi
Half· 13.11 mi
1:31:51
Rank: #7531 (-25)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:49:20
Rank: #7505 (+26)
Half → 25K
17:29 | 7:13/mi
30K· 18.64 mi
2:12:24
Rank: #7363 (+142)
25K → 30K
23:04 | 7:25/mi
20M
2:22:30
Rank: #7225 (+138)
30K → 20M
10:06 | 7:26/mi
21M
2:29:59
Rank: #7007 (+218)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:35:10
Rank: #6875 (+132)
21M → 35K
5:11 | 6:56/mi
23M
2:44:22
Rank: #6718 (+157)
35K → 23M
9:12 | 7:21/mi
24M
2:51:44
Rank: #6660 (+58)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:58:07
Rank: #6613 (+47)
24M → 40K
6:23 | 7:28/mi
25.2M
3:00:50
Rank: #6560 (+53)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:07:47
Rank: #6423 (+137)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:51
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:35:56
Pace7:19 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:5021:376:5721:37
6:57
-
10K
6.21 mi10:48:2343:106:5721:33
6:56
-0:01
15K
9.32 mi11:10:011:04:486:5721:38
6:58
+0:02
20K
12.43 mi11:32:131:27:007:0022:12
7:09
+0:11
Half
13.11 mi11:37:041:31:517:004:51
7:07
-0:02
25K
15.53 mi11:54:331:49:207:0217:29
7:13
+0:06
30K
18.64 mi12:17:372:12:247:0623:04
7:25
+0:12
20M
20.00 mi12:27:432:22:307:0710:06
7:26
+0:01
21M
21.00 mi12:35:122:29:597:097:29
7:29
+0:03
35K
21.75 mi12:40:232:35:107:085:11
6:56
-0:33
23M
23.00 mi12:49:352:44:227:099:12
7:21
+0:25
24M
24.00 mi12:56:572:51:447:097:22
7:22
+0:01
40K
24.85 mi13:03:202:58:077:106:23
7:28
+0:06
25.2M
25.20 mi13:06:033:00:507:112:43
7:53
+0:25
Finish
26.22 mi13:13:003:07:477:106:57
6:49
-1:04

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

6:49 /mi

Average Pace

7:10 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:04

99% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:26:5021:376:5721:37
6:57
#7468
10K
6.21 mi10:48:2343:106:5721:33
6:56
#7484
15K
9.32 mi11:10:011:04:486:5721:38
6:58
#7448
20K
12.43 mi11:32:131:27:007:0022:12
7:09
#7506
Half
13.11 mi11:37:041:31:517:004:51
7:07
#7531
25K
15.53 mi11:54:331:49:207:0217:29
7:13
#7505
30K
18.64 mi12:17:372:12:247:0623:04
7:25
#7363
20M
20.00 mi12:27:432:22:307:0710:06
7:26
#7225
21M
21.00 mi12:35:122:29:597:097:29
7:29
#7007
35K
21.75 mi12:40:232:35:107:085:11
6:56
#6875
23M
23.00 mi12:49:352:44:227:099:12
7:21
#6718
24M
24.00 mi12:56:572:51:447:097:22
7:22
#6660
40K
24.85 mi13:03:202:58:077:106:23
7:28
#6613
25.2M
25.20 mi13:06:033:00:507:112:43
7:53
#6560
Finish
26.22 mi13:13:003:07:477:106:57
6:49
#6423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7468664366437378(Top 26%)6529(Top 41%)6529(Top 116%)
10K6.21 mi3.10 mi7484-166642+16642+17504(Top 26%)6643(Top 41%)6643(Top 118%)
15K9.32 mi3.11 mi7448+366610+326610+327378(Top 26%)6529(Top 41%)6529(Top 116%)
20K12.43 mi3.11 mi7506-586637-276637-277772(Top 27%)6726(Top 42%)6726(Top 119%)
Half13.11 mi0.68 mi7531-256649-126649-128278(Top 29%)7047(Top 44%)7047(Top 125%)
25K15.53 mi2.42 mi7505+266614+356614+357671(Top 27%)6552(Top 41%)6552(Top 116%)
30K18.64 mi3.11 mi7363+1426472+1426472+1427188(Top 25%)6075(Top 38%)6075(Top 108%)
20M20.00 mi1.36 mi7225+1386338+1346338+1346568(Top 23%)5556(Top 34%)5556(Top 98%)
21M21.00 mi1.00 mi7007+2186158+1806158+1804531(Top 16%)4021(Top 25%)4021(Top 71%)
35K21.75 mi0.75 mi6875+1326050+1086050+1084905(Top 17%)4317(Top 27%)4317(Top 77%)
23M23.00 mi1.25 mi6718+1575899+1515899+1515712(Top 20%)4799(Top 30%)4799(Top 85%)
24M24.00 mi1.00 mi6660+585832+675832+676795(Top 24%)5394(Top 33%)5394(Top 96%)
40K24.85 mi0.85 mi6613+475771+615771+616569(Top 23%)5176(Top 32%)5176(Top 92%)
25.2M25.20 mi0.35 mi6560+535725+465725+465248(Top 18%)4269(Top 27%)4269(Top 76%)
Finish26.22 mi1.02 mi6423+1375609+1165609+1164609(Top 16%)3859(Top 24%)3859(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7378

Males

6529

M18-39

6529

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7504

Males

6643

M18-39

6643

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7378

Males

6529

M18-39

6529

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7772

Males

6726

M18-39

6726

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8278

Males

7047

M18-39

7047

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7671

Males

6552

M18-39

6552

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7188

Males

6075

M18-39

6075

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6568

Males

5556

M18-39

5556

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4531

Males

4021

M18-39

4021

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4905

Males

4317

M18-39

4317

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5712

Males

4799

M18-39

4799

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6795

Males

5394

M18-39

5394

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6569

Males

5176

M18-39

5176

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5248

Males

4269

M18-39

4269

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4609

Males

3859

M18-39

3859

Passing Analysis

Category:
Athletes Passed
1942
Passed By
897
Net Change
+1045
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7468
5K → 10K197213-16#7468#7484
10K → 15K162126+36#7484#7448
15K → 20K108166-58#7448#7506
20K → Half1843-25#7506#7531
Half → 25K11589+26#7531#7505
25K → 30K247105+142#7505#7363
30K → 20M16729+138#7363#7225
20M → 21M22810+218#7225#7007
21M → 35K1353+132#7007#6875
35K → 23M18427+157#6875#6718
23M → 24M9335+58#6718#6660
24M → 40K7932+47#6660#6613
40K → 25.2M585+53#6613#6560
25.2M → Finish15114+137#6560#6423
TOTALS1942897+1045
📊

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