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BOSTON MARATHON 2025

Matthew Grieshaber

Bib: 4724•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:18
Rank: #4078
Start → 5K
20:18 | 6:32/mi
10K· 6.21 mi
40:41
Rank: #4117 (-39)
5K → 10K
20:23 | 6:34/mi
15K· 9.32 mi
1:00:48
Rank: #3848 (+269)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:21:07
Rank: #3695 (+153)
15K → 20K
20:19 | 6:32/mi
Half· 13.11 mi
1:25:33
Rank: #3690 (+5)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:41:36
Rank: #3635 (+55)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:02:31
Rank: #3472 (+163)
25K → 30K
20:55 | 6:44/mi
20M
2:11:46
Rank: #3396 (+76)
30K → 20M
9:15 | 6:48/mi
21M
2:19:05
Rank: #3385 (+11)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:24:21
Rank: #3430 (-45)
21M → 35K
5:16 | 7:02/mi
23M
2:33:42
Rank: #3574 (-144)
35K → 23M
9:21 | 7:28/mi
24M
2:41:00
Rank: #3673 (-99)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:47:24
Rank: #3772 (-99)
24M → 40K
6:24 | 7:29/mi
25.2M
2:50:14
Rank: #3805 (-33)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
2:57:36
Rank: #3917 (-112)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:33
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:32:03
Pace7:01 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3920:186:3220:18
6:32
-
10K
6.21 mi10:43:0240:416:3320:23
6:34
+0:02
15K
9.32 mi11:03:091:00:486:3120:07
6:28
-0:06
20K
12.43 mi11:23:281:21:076:3220:19
6:32
+0:04
Half
13.11 mi11:27:541:25:336:324:26
6:30
-0:02
25K
15.53 mi11:43:571:41:366:3216:03
6:37
+0:07
30K
18.64 mi12:04:522:02:316:3420:55
6:44
+0:07
20M
20.00 mi12:14:072:11:466:359:15
6:48
+0:04
21M
21.00 mi12:21:262:19:056:377:19
7:19
+0:31
35K
21.75 mi12:26:422:24:216:385:16
7:02
-0:17
23M
23.00 mi12:36:032:33:426:419:21
7:28
+0:26
24M
24.00 mi12:43:212:41:006:437:18
7:18
-0:10
40K
24.85 mi12:49:452:47:246:446:24
7:29
+0:11
25.2M
25.20 mi12:52:352:50:146:452:50
8:13
+0:44
Finish
26.22 mi12:59:572:57:366:477:22
7:14
-0:59

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

6:28 /mi

Average Pace

6:47 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:10

37% of race

Time at Steady Pace

1:11:52

40% of race

Time at Slower Pace

40:34

23% of race

Average Pace: 6:46 /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 mi10:22:3920:186:3220:18
6:32
#4078
10K
6.21 mi10:43:0240:416:3320:23
6:34
#4117
15K
9.32 mi11:03:091:00:486:3120:07
6:28
#3848
20K
12.43 mi11:23:281:21:076:3220:19
6:32
#3695
Half
13.11 mi11:27:541:25:336:324:26
6:30
#3690
25K
15.53 mi11:43:571:41:366:3216:03
6:37
#3635
30K
18.64 mi12:04:522:02:316:3420:55
6:44
#3472
20M
20.00 mi12:14:072:11:466:359:15
6:48
#3396
21M
21.00 mi12:21:262:19:056:377:19
7:19
#3385
35K
21.75 mi12:26:422:24:216:385:16
7:02
#3430
23M
23.00 mi12:36:032:33:426:419:21
7:28
#3574
24M
24.00 mi12:43:212:41:006:437:18
7:18
#3673
40K
24.85 mi12:49:452:47:246:446:24
7:29
#3772
25.2M
25.20 mi12:52:352:50:146:452:50
8:13
#3805
Finish
26.22 mi12:59:572:57:366:477:22
7:14
#3917
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4078384538453403(Top 12%)3227(Top 20%)3227(Top 57%)
10K6.21 mi3.10 mi4117-393880-353880-354139(Top 15%)3892(Top 24%)3892(Top 69%)
15K9.32 mi3.11 mi3848+2693633+2473633+2473403(Top 12%)3227(Top 20%)3227(Top 57%)
20K12.43 mi3.11 mi3695+1533491+1423491+1423344(Top 12%)3169(Top 20%)3169(Top 56%)
Half13.11 mi0.68 mi3690+53488+33488+33636(Top 13%)3436(Top 21%)3436(Top 61%)
25K15.53 mi2.42 mi3635+553434+543434+543584(Top 13%)3376(Top 21%)3376(Top 60%)
30K18.64 mi3.11 mi3472+1633285+1493285+1493042(Top 11%)2859(Top 18%)2859(Top 51%)
20M20.00 mi1.36 mi3396+763212+733212+732960(Top 10%)2759(Top 17%)2759(Top 49%)
21M21.00 mi1.00 mi3385+113199+133199+133677(Top 13%)3359(Top 21%)3359(Top 60%)
35K21.75 mi0.75 mi3430-453239-403239-405565(Top 20%)4753(Top 30%)4753(Top 84%)
23M23.00 mi1.25 mi3574-1443358-1193358-1196407(Top 23%)5220(Top 32%)5220(Top 93%)
24M24.00 mi1.00 mi3673-993434-763434-766375(Top 22%)5130(Top 32%)5130(Top 91%)
40K24.85 mi0.85 mi3772-993516-823516-826668(Top 23%)5225(Top 32%)5225(Top 93%)
25.2M25.20 mi0.35 mi3805-333536-203536-207035(Top 25%)5325(Top 33%)5325(Top 94%)
Finish26.22 mi1.02 mi3917-1123623-873623-877176(Top 25%)5423(Top 34%)5423(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3403

Males

3227

M18-39

3227

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4139

Males

3892

M18-39

3892

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3403

Males

3227

M18-39

3227

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3344

Males

3169

M18-39

3169

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3636

Males

3436

M18-39

3436

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3584

Males

3376

M18-39

3376

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3042

Males

2859

M18-39

2859

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2960

Males

2759

M18-39

2759

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3677

Males

3359

M18-39

3359

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5565

Males

4753

M18-39

4753

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6407

Males

5220

M18-39

5220

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6375

Males

5130

M18-39

5130

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6668

Males

5225

M18-39

5225

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7035

Males

5325

M18-39

5325

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7176

Males

5423

M18-39

5423

Passing Analysis

Category:
Athletes Passed
1201
Passed By
1040
Net Change
+161
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4078
5K → 10K134173-39#4078#4117
10K → 15K28011+269#4117#3848
15K → 20K17825+153#3848#3695
20K → Half1712+5#3695#3690
Half → 25K9540+55#3690#3635
25K → 30K19734+163#3635#3472
30K → 20M10024+76#3472#3396
20M → 21M5847+11#3396#3385
21M → 35K2267-45#3385#3430
35K → 23M32176-144#3430#3574
23M → 24M24123-99#3574#3673
24M → 40K26125-99#3673#3772
40K → 25.2M1144-33#3772#3805
25.2M → Finish27139-112#3805#3917
TOTALS12011040+161
📊

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