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BOSTON MARATHON 2025

Peter Grover

Bib: 21103•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 47%
Division (M60-64)
#0 / 1259
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:16
Rank: #14887
Start → 5K
7:49/mi
24:16 split
10K· 6.21 mi
48:14
Rank: #14442 (+445)
5K → 10K
7:43/mi
23:58 split
15K· 9.32 mi
1:12:03
Rank: #14018 (+424)
10K → 15K
7:40/mi
23:49 split
20K· 12.43 mi
1:36:05
Rank: #13629 (+389)
15K → 20K
7:44/mi
24:02 split
Half· 13.11 mi
1:41:17
Rank: #13578 (+51)
20K → Half
7:37/mi
5:12 split
25K· 15.53 mi
2:00:15
Rank: #13362 (+216)
Half → 25K
7:49/mi
18:58 split
30K· 18.64 mi
2:25:28
Rank: #13117 (+245)
25K → 30K
8:07/mi
25:13 split
20M
2:36:36
Rank: #12981 (+136)
30K → 20M
8:12/mi
11:08 split
21M
2:45:23
Rank: #12901 (+80)
20M → 21M
8:47/mi
8:47 split
35K· 21.75 mi
2:51:16
Rank: #12835 (+66)
21M → 35K
7:52/mi
5:53 split
23M
3:01:35
Rank: #12722 (+113)
35K → 23M
8:14/mi
10:19 split
24M
3:09:36
Rank: #12641 (+81)
23M → 24M
8:01/mi
8:01 split
40K· 24.85 mi
3:16:38
Rank: #12572 (+69)
24M → 40K
8:14/mi
7:02 split
25.2M
3:19:48
Rank: #12578 (-6)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:27:59
Rank: #12578
25.2M → Finish
8:02/mi
8:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:46:42
Pace8:08 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1724:167:4924:16
7:49
-
10K
6.21 mi11:41:1548:147:4623:58
7:43
-0:06
15K
9.32 mi12:05:041:12:037:4423:49
7:40
-0:03
20K
12.43 mi12:29:061:36:057:4424:02
7:44
+0:04
Half
13.11 mi12:34:181:41:177:445:12
7:37
-0:07
25K
15.53 mi12:53:162:00:157:4418:58
7:49
+0:12
30K
18.64 mi13:18:292:25:287:4825:13
8:07
+0:18
20M
20.00 mi13:29:372:36:367:5011:08
8:12
+0:05
21M
21.00 mi13:38:242:45:237:538:47
8:47
+0:35
35K
21.75 mi13:44:172:51:167:535:53
7:52
-0:55
23M
23.00 mi13:54:363:01:357:5410:19
8:14
+0:22
24M
24.00 mi14:02:373:09:367:548:01
8:01
-0:13
40K
24.85 mi14:09:393:16:387:557:02
8:14
+0:13
25.2M
25.20 mi14:12:493:19:487:563:10
9:11
+0:57
Finish
26.22 mi14:21:003:27:597:568:11
8:02
-1:09

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

7:37 /mi

Average Pace

7:56 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:01

37% of race

Time at Steady Pace

1:41:40

49% of race

Time at Slower Pace

29:18

14% of race

Average Pace: 7:56 /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 mi11:17:1724:167:4924:16
7:49
#14887
10K
6.21 mi11:41:1548:147:4623:58
7:43
#14442
15K
9.32 mi12:05:041:12:037:4423:49
7:40
#14018
20K
12.43 mi12:29:061:36:057:4424:02
7:44
#13629
Half
13.11 mi12:34:181:41:177:445:12
7:37
#13578
25K
15.53 mi12:53:162:00:157:4418:58
7:49
#13362
30K
18.64 mi13:18:292:25:287:4825:13
8:07
#13117
20M
20.00 mi13:29:372:36:367:5011:08
8:12
#12981
21M
21.00 mi13:38:242:45:237:538:47
8:47
#12901
35K
21.75 mi13:44:172:51:167:535:53
7:52
#12835
23M
23.00 mi13:54:363:01:357:5410:19
8:14
#12722
24M
24.00 mi14:02:373:09:367:548:01
8:01
#12641
40K
24.85 mi14:09:393:16:387:557:02
8:14
#12572
25.2M
25.20 mi14:12:493:19:487:563:10
9:11
#12578
Finish
26.22 mi14:21:003:27:597:568:11
8:02
#12578
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14887103851038513169(Top 46%)9590(Top 60%)9590(Top 762%)
10K6.21 mi3.10 mi14442+44510198+18710198+18714007(Top 49%)10000(Top 62%)10000(Top 794%)
15K9.32 mi3.11 mi14018+4249997+2019997+20113169(Top 46%)9590(Top 60%)9590(Top 762%)
20K12.43 mi3.11 mi13629+3899791+2069791+20612700(Top 45%)9282(Top 58%)9282(Top 737%)
Half13.11 mi0.68 mi13578+519763+289763+2812706(Top 45%)9329(Top 58%)9329(Top 741%)
25K15.53 mi2.42 mi13362+2169635+1289635+12812523(Top 44%)9079(Top 56%)9079(Top 721%)
30K18.64 mi3.11 mi13117+2459458+1779458+17712214(Top 43%)8789(Top 55%)8789(Top 698%)
20M20.00 mi1.36 mi12981+1369383+759383+7511751(Top 41%)8398(Top 52%)8398(Top 667%)
21M21.00 mi1.00 mi12901+809309+749309+7412175(Top 43%)8451(Top 52%)8451(Top 671%)
35K21.75 mi0.75 mi12835+669266+439266+4311276(Top 40%)8003(Top 50%)8003(Top 636%)
23M23.00 mi1.25 mi12722+1139174+929174+9211630(Top 41%)8058(Top 50%)8058(Top 640%)
24M24.00 mi1.00 mi12641+819116+589116+5811340(Top 40%)7831(Top 49%)7831(Top 622%)
40K24.85 mi0.85 mi12572+699049+679049+6711704(Top 41%)7920(Top 49%)7920(Top 629%)
25.2M25.20 mi0.35 mi12578-69035+149035+1412774(Top 45%)8359(Top 52%)8359(Top 664%)
Finish26.22 mi1.02 mi125789007+289007+2813057(Top 46%)8558(Top 53%)8558(Top 680%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

13169

Males

9590

M60-64

9590

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

14007

Males

10000

M60-64

10000

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

13169

Males

9590

M60-64

9590

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12700

Males

9282

M60-64

9282

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12706

Males

9329

M60-64

9329

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12523

Males

9079

M60-64

9079

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12214

Males

8789

M60-64

8789

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11751

Males

8398

M60-64

8398

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12175

Males

8451

M60-64

8451

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11276

Males

8003

M60-64

8003

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11630

Males

8058

M60-64

8058

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11340

Males

7831

M60-64

7831

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11704

Males

7920

M60-64

7920

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12774

Males

8359

M60-64

8359

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13057

Males

8558

M60-64

8558

Passing Analysis

Category:
Athletes Passed
3078
Passed By
769
Net Change
+2309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14887
5K → 10K569124+445#14887#14442
10K → 15K46642+424#14442#14018
15K → 20K43849+389#14018#13629
20K → Half6413+51#13629#13578
Half → 25K26953+216#13578#13362
25K → 30K372127+245#13362#13117
30K → 20M17943+136#13117#12981
20M → 21M14161+80#12981#12901
21M → 35K8317+66#12901#12835
35K → 23M16249+113#12835#12722
23M → 24M10928+81#12722#12641
24M → 40K11748+69#12641#12572
40K → 25.2M3541-6#12572#12578
25.2M → Finish74740#12578#12578
TOTALS3078769+2309
📊

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