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BOSTON MARATHON 2025

Michael Grills

Bib: 11193•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
8:05/mi
25:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
50:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:16:38
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:43:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:48:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:10:18
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:39:33
↑ 181↓ 1480.2%
20M
10:00/mi
2:53:09
↑ 64↓ 500.2%
21M
9:58/mi
3:03:07
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:09:57
↑ 17↓ 861.7%
23M
9:58/mi
3:22:26
↑ 23↓ 630.6%
24M
9:42/mi
3:32:08
↓ 821.3%
40K· 24.85 mi
10:34/mi
3:41:10
↓ 200.3%
25.2M
10:18/mi
3:44:43
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
3:54:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:53
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:05:18
Pace9:33 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1225:088:0525:08
8:05
-
10K
6.21 mi11:17:3950:358:0825:27
8:11
+0:06
15K
9.32 mi11:43:421:16:388:1326:03
8:23
+0:12
20K
12.43 mi12:10:161:43:128:1826:34
8:33
+0:10
Half
13.11 mi12:15:571:48:538:185:41
8:20
-0:13
25K
15.53 mi12:37:222:10:188:2321:25
8:50
+0:30
30K
18.64 mi13:06:372:39:338:3429:15
9:25
+0:35
20M
20.00 mi13:20:132:53:098:3913:36
10:00
+0:35
21M
21.00 mi13:30:113:03:078:439:58
9:58
-0:02
35K
21.75 mi13:37:013:09:578:446:50
9:08
-0:50
23M
23.00 mi13:49:303:22:268:4812:29
9:58
+0:50
24M
24.00 mi13:59:123:32:088:509:42
9:42
-0:16
40K
24.85 mi14:08:143:41:108:549:02
10:34
+0:52
25.2M
25.20 mi14:11:473:44:438:553:33
10:18
-0:16
Finish
26.22 mi14:21:153:54:118:569:28
9:17
-1:01

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

8:05 /mi

Average Pace

8:56 /mi

Slowest Pace

10:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:18

56% of race

Time at Steady Pace

45:33

19% of race

Time at Slower Pace

58:20

25% of race

Average Pace: 8:56 /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 mi10:52:1225:088:0525:08
8:05
#17276
10K
6.21 mi11:17:3950:358:0825:27
8:11
#17569
15K
9.32 mi11:43:421:16:388:1326:03
8:23
#17902
20K
12.43 mi12:10:161:43:128:1826:34
8:33
#18021
Half
13.11 mi12:15:571:48:538:185:41
8:20
#18010
25K
15.53 mi12:37:222:10:188:2321:25
8:50
#18187
30K
18.64 mi13:06:372:39:338:3429:15
9:25
#18502
20M
20.00 mi13:20:132:53:098:3913:36
10:00
#18771
21M
21.00 mi13:30:113:03:078:439:58
9:58
#18731
35K
21.75 mi13:37:013:09:578:446:50
9:08
#18726
23M
23.00 mi13:49:303:22:268:4812:29
9:58
#18880
24M
24.00 mi13:59:123:32:088:509:42
9:42
#18986
40K
24.85 mi14:08:143:41:108:549:02
10:34
#19152
25.2M
25.20 mi14:11:473:44:438:553:33
10:18
#19118
Finish
26.22 mi14:21:153:54:118:569:28
9:17
#19171
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi17276113211132118597(Top 65%)11887(Top 74%)11887(Top 498%)
10K6.21 mi3.10 mi17569-29311436-11511436-11517815(Top 63%)11579(Top 72%)11579(Top 485%)
15K9.32 mi3.11 mi17902-33311583-14711583-14718597(Top 65%)11887(Top 74%)11887(Top 498%)
20K12.43 mi3.11 mi18021-11911626-4311626-4318540(Top 65%)11840(Top 74%)11840(Top 496%)
Half13.11 mi0.68 mi18010+1111617+911617+918087(Top 64%)11677(Top 73%)11677(Top 489%)
25K15.53 mi2.42 mi18187-17711670-5311670-5319093(Top 67%)12016(Top 75%)12016(Top 504%)
30K18.64 mi3.11 mi18502-31511789-11911789-11919587(Top 69%)12096(Top 75%)12096(Top 507%)
20M20.00 mi1.36 mi18771-26911877-8811877-8820947(Top 74%)12558(Top 78%)12558(Top 526%)
21M21.00 mi1.00 mi18731+4011825+5211825+5218165(Top 64%)11239(Top 70%)11239(Top 471%)
35K21.75 mi0.75 mi18726+511807+1811807+1818864(Top 66%)11433(Top 71%)11433(Top 479%)
23M23.00 mi1.25 mi18880-15411843-3611843-3620376(Top 72%)12091(Top 75%)12091(Top 507%)
24M24.00 mi1.00 mi18986-10611873-3011873-3020365(Top 72%)12040(Top 75%)12040(Top 505%)
40K24.85 mi0.85 mi19152-16611920-4711920-4722085(Top 78%)12783(Top 79%)12783(Top 536%)
25.2M25.20 mi0.35 mi19118+3411893+2711893+2718243(Top 64%)10936(Top 68%)10936(Top 458%)
Finish26.22 mi1.02 mi19171-5311889+411889+420326(Top 72%)11969(Top 74%)11969(Top 502%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18597

Males

11887

M45-49

11887

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17815

Males

11579

M45-49

11579

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18597

Males

11887

M45-49

11887

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18540

Males

11840

M45-49

11840

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18087

Males

11677

M45-49

11677

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19093

Males

12016

M45-49

12016

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19587

Males

12096

M45-49

12096

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

20947

Males

12558

M45-49

12558

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18165

Males

11239

M45-49

11239

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18864

Males

11433

M45-49

11433

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20376

Males

12091

M45-49

12091

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20365

Males

12040

M45-49

12040

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22085

Males

12783

M45-49

12783

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18243

Males

10936

M45-49

10936

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20326

Males

11969

M45-49

11969

Passing Analysis

Category:
Athletes Passed
1164
Passed By
3059
Net Change
-1895
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17276
5K → 10K180473-293#17276#17569
10K → 15K98431-333#17569#17902
15K → 20K147266-119#17902#18021
20K → Half4130+11#18021#18010
Half → 25K111288-177#18010#18187
25K → 30K151466-315#18187#18502
30K → 20M39308-269#18502#18771
20M → 21M12686+40#18771#18731
21M → 35K5752+5#18731#18726
35K → 23M65219-154#18726#18880
23M → 24M32138-106#18880#18986
24M → 40K35201-166#18986#19152
40K → 25.2M4814+34#19152#19118
25.2M → Finish3487-53#19118#19171
TOTALS11643059-1895
📊

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