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BOSTON MARATHON 2025

Michael Grasela

Bib: 32290•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 49%
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
22:33
Rank: #9963
Start → 5K
22:33 | 7:15/mi
10K· 6.21 mi
43:55
Rank: #8416 (+1547)
5K → 10K
21:22 | 6:53/mi
15K· 9.32 mi
1:05:47
Rank: #8187 (+229)
10K → 15K
21:52 | 7:02/mi
20K· 12.43 mi
1:30:21
Rank: #9601 (-1414)
15K → 20K
24:34 | 7:54/mi
Half· 13.11 mi
1:35:25
Rank: #9680 (-79)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:54:05
Rank: #9946 (-266)
Half → 25K
18:40 | 7:42/mi
30K· 18.64 mi
2:20:22
Rank: #10868 (-922)
25K → 30K
26:17 | 8:28/mi
20M
2:32:08
Rank: #11141 (-273)
30K → 20M
11:46 | 8:40/mi
21M
2:41:15
Rank: #11295 (-154)
20M → 21M
9:07 | 9:07/mi
35K· 21.75 mi
2:47:22
Rank: #11358 (-63)
21M → 35K
6:07 | 8:11/mi
23M
3:00:13
Rank: #12248 (-890)
35K → 23M
12:51 | 10:16/mi
24M
3:11:08
Rank: #13137 (-889)
23M → 24M
10:55 | 10:55/mi
40K· 24.85 mi
3:20:43
Rank: #13842 (-705)
24M → 40K
9:35 | 11:13/mi
25.2M
3:24:13
Rank: #13918 (-76)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:32:26
Rank: #13871 (+47)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:57:01
Pace8:56 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2022:337:1522:33
7:15
-
10K
6.21 mi12:07:4243:557:0421:22
6:53
-0:22
15K
9.32 mi12:29:341:05:477:0321:52
7:02
+0:09
20K
12.43 mi12:54:081:30:217:1624:34
7:54
+0:52
Half
13.11 mi12:59:121:35:257:175:04
7:26
-0:28
25K
15.53 mi13:17:521:54:057:2118:40
7:42
+0:16
30K
18.64 mi13:44:092:20:227:3226:17
8:28
+0:46
20M
20.00 mi13:55:552:32:087:3611:46
8:40
+0:12
21M
21.00 mi14:05:022:41:157:419:07
9:07
+0:27
35K
21.75 mi14:11:092:47:227:426:07
8:11
-0:56
23M
23.00 mi14:24:003:00:137:5012:51
10:16
+2:05
24M
24.00 mi14:34:553:11:087:5810:55
10:55
+0:39
40K
24.85 mi14:44:303:20:438:059:35
11:13
+0:18
25.2M
25.20 mi14:48:003:24:138:063:30
10:09
-1:04
Finish
26.22 mi14:56:133:32:268:068:13
8:04
-2:05

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

6:53 /mi

Average Pace

8:06 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:51

33% of race

Time at Steady Pace

1:35:37

45% of race

Time at Slower Pace

45:58

22% of race

Average Pace: 8:06 /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 mi11:46:2022:337:1522:33
7:15
#9963
10K
6.21 mi12:07:4243:557:0421:22
6:53
#8416
15K
9.32 mi12:29:341:05:477:0321:52
7:02
#8187
20K
12.43 mi12:54:081:30:217:1624:34
7:54
#9601
Half
13.11 mi12:59:121:35:257:175:04
7:26
#9680
25K
15.53 mi13:17:521:54:057:2118:40
7:42
#9946
30K
18.64 mi13:44:092:20:227:3226:17
8:28
#10868
20M
20.00 mi13:55:552:32:087:3611:46
8:40
#11141
21M
21.00 mi14:05:022:41:157:419:07
9:07
#11295
35K
21.75 mi14:11:092:47:227:426:07
8:11
#11358
23M
23.00 mi14:24:003:00:137:5012:51
10:16
#12248
24M
24.00 mi14:34:553:11:087:5810:55
10:55
#13137
40K
24.85 mi14:44:303:20:438:059:35
11:13
#13842
25.2M
25.20 mi14:48:003:24:138:063:30
10:09
#13918
Finish
26.22 mi14:56:133:32:268:068:13
8:04
#13871
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9963815381537885(Top 28%)6877(Top 43%)6877(Top 122%)
10K6.21 mi3.10 mi8416+15477248+9057248+9057084(Top 25%)6342(Top 39%)6342(Top 112%)
15K9.32 mi3.11 mi8187+2297092+1567092+1567885(Top 28%)6877(Top 43%)6877(Top 122%)
20K12.43 mi3.11 mi9601-14147887-7957887-79514136(Top 50%)9925(Top 62%)9925(Top 176%)
Half13.11 mi0.68 mi9680-797930-437930-4311099(Top 39%)8615(Top 53%)8615(Top 153%)
25K15.53 mi2.42 mi9946-2668044-1148044-11411523(Top 41%)8633(Top 54%)8633(Top 153%)
30K18.64 mi3.11 mi10868-9228445-4018445-40114501(Top 51%)9830(Top 61%)9830(Top 174%)
20M20.00 mi1.36 mi11141-2738535-908535-9014767(Top 52%)9804(Top 61%)9804(Top 174%)
21M21.00 mi1.00 mi11295-1548560-258560-2514178(Top 50%)9415(Top 58%)9415(Top 167%)
35K21.75 mi0.75 mi11358-638567-78567-713430(Top 47%)9006(Top 56%)9006(Top 160%)
23M23.00 mi1.25 mi12248-8908950-3838950-38321299(Top 75%)12538(Top 78%)12538(Top 222%)
24M24.00 mi1.00 mi13137-8899317-3679317-36723797(Top 84%)13711(Top 85%)13711(Top 243%)
40K24.85 mi0.85 mi13842-7059596-2799596-27923568(Top 83%)13534(Top 84%)13534(Top 240%)
25.2M25.20 mi0.35 mi13918-769628-329628-3217612(Top 62%)10635(Top 66%)10635(Top 188%)
Finish26.22 mi1.02 mi13871+479580+489580+4813298(Top 47%)8664(Top 54%)8664(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7885

Males

6877

M18-39

6877

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7084

Males

6342

M18-39

6342

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7885

Males

6877

M18-39

6877

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14136

Males

9925

M18-39

9925

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11099

Males

8615

M18-39

8615

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11523

Males

8633

M18-39

8633

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14501

Males

9830

M18-39

9830

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

14767

Males

9804

M18-39

9804

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14178

Males

9415

M18-39

9415

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13430

Males

9006

M18-39

9006

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21299

Males

12538

M18-39

12538

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23797

Males

13711

M18-39

13711

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23568

Males

13534

M18-39

13534

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17612

Males

10635

M18-39

10635

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13298

Males

8664

M18-39

8664

Passing Analysis

Category:
Athletes Passed
2309
Passed By
6215
Net Change
-3908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9963
5K → 10K15525+1547#9963#8416
10K → 15K27950+229#8416#8187
15K → 20K191433-1414#8187#9601
20K → Half1190-79#9601#9680
Half → 25K88354-266#9680#9946
25K → 30K68988-922#9946#10868
30K → 20M61334-273#10868#11141
20M → 21M51205-154#11141#11295
21M → 35K44107-63#11295#11358
35K → 23M15905-890#11358#12248
23M → 24M4893-889#12248#13137
24M → 40K8713-705#13137#13842
40K → 25.2M1490-76#13842#13918
25.2M → Finish9548+47#13918#13871
TOTALS23096215-3908
📊

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