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BOSTON MARATHON 2025

Chris Marsh

Bib: 6476•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Masters (Masters Men)
#0 / 10463
Top 12%
Division (M40-44)
#0 / 2247
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #6204
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
42:11
Rank: #6196 (+8)
5K → 10K
21:06 | 6:47/mi
15K· 9.32 mi
1:03:23
Rank: #6211 (-15)
10K → 15K
21:12 | 6:49/mi
20K· 12.43 mi
1:24:45
Rank: #6108 (+103)
15K → 20K
21:22 | 6:53/mi
Half· 13.11 mi
1:29:22
Rank: #6098 (+10)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:51
Rank: #5839 (+259)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:07:31
Rank: #5514 (+325)
25K → 30K
21:40 | 6:58/mi
20M
2:17:00
Rank: #5368 (+146)
30K → 20M
9:29 | 6:59/mi
21M
2:24:18
Rank: #5207 (+161)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:29:20
Rank: #5128 (+79)
21M → 35K
5:02 | 6:44/mi
23M
2:38:03
Rank: #4978 (+150)
35K → 23M
8:43 | 6:58/mi
24M
2:44:50
Rank: #4874 (+104)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:50:36
Rank: #4739 (+135)
24M → 40K
5:46 | 6:45/mi
25.2M
2:53:04
Rank: #4661 (+78)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:59:39
Rank: #4580 (+81)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:22
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:30:17
Pace6:53 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:3221:056:4721:05
6:47
-
10K
6.21 mi10:47:3842:116:4721:06
6:47
0:00
15K
9.32 mi11:08:501:03:236:4821:12
6:49
+0:02
20K
12.43 mi11:30:121:24:456:4921:22
6:53
+0:04
Half
13.11 mi11:34:491:29:226:494:37
6:46
-0:07
25K
15.53 mi11:51:181:45:516:4916:29
6:48
+0:02
30K
18.64 mi12:12:582:07:316:5021:40
6:58
+0:10
20M
20.00 mi12:22:272:17:006:519:29
6:59
+0:01
21M
21.00 mi12:29:452:24:186:527:18
7:18
+0:19
35K
21.75 mi12:34:472:29:206:525:02
6:44
-0:34
23M
23.00 mi12:43:302:38:036:528:43
6:58
+0:14
24M
24.00 mi12:50:172:44:506:526:47
6:47
-0:11
40K
24.85 mi12:56:032:50:366:525:46
6:45
-0:02
25.2M
25.20 mi12:58:312:53:046:522:28
7:09
+0:24
Finish
26.22 mi13:05:062:59:396:516:35
6:28
-0:41

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

6:51 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:53

95% of race

Time at Steady Pace

9:46

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:26:3221:056:4721:05
6:47
#6204
10K
6.21 mi10:47:3842:116:4721:06
6:47
#6196
15K
9.32 mi11:08:501:03:236:4821:12
6:49
#6211
20K
12.43 mi11:30:121:24:456:4921:22
6:53
#6108
Half
13.11 mi11:34:491:29:226:494:37
6:46
#6098
25K
15.53 mi11:51:181:45:516:4916:29
6:48
#5839
30K
18.64 mi12:12:582:07:316:5021:40
6:58
#5514
20M
20.00 mi12:22:272:17:006:519:29
6:59
#5368
21M
21.00 mi12:29:452:24:186:527:18
7:18
#5207
35K
21.75 mi12:34:472:29:206:525:02
6:44
#5128
23M
23.00 mi12:43:302:38:036:528:43
6:58
#4978
24M
24.00 mi12:50:172:44:506:526:47
6:47
#4874
40K
24.85 mi12:56:032:50:366:525:46
6:45
#4739
25.2M
25.20 mi12:58:312:53:046:522:28
7:09
#4661
Finish
26.22 mi13:05:062:59:396:516:35
6:28
#4580
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6204568456846318(Top 22%)5719(Top 36%)5719(Top 255%)
10K6.21 mi3.10 mi6196+85676+85676+86308(Top 22%)5731(Top 36%)5731(Top 255%)
15K9.32 mi3.11 mi6211-155681-55681-56318(Top 22%)5719(Top 36%)5719(Top 255%)
20K12.43 mi3.11 mi6108+1035576+1055576+1056017(Top 21%)5450(Top 34%)5450(Top 243%)
Half13.11 mi0.68 mi6098+105558+185558+185837(Top 21%)5324(Top 33%)5324(Top 237%)
25K15.53 mi2.42 mi5839+2595334+2245334+2244870(Top 17%)4478(Top 28%)4478(Top 199%)
30K18.64 mi3.11 mi5514+3255049+2855049+2854548(Top 16%)4156(Top 26%)4156(Top 185%)
20M20.00 mi1.36 mi5368+1464916+1334916+1334004(Top 14%)3672(Top 23%)3672(Top 163%)
21M21.00 mi1.00 mi5207+1614775+1414775+1413641(Top 13%)3330(Top 21%)3330(Top 148%)
35K21.75 mi0.75 mi5128+794703+724703+723719(Top 13%)3366(Top 21%)3366(Top 150%)
23M23.00 mi1.25 mi4978+1504563+1404563+1403549(Top 12%)3219(Top 20%)3219(Top 143%)
24M24.00 mi1.00 mi4874+1044465+984465+983433(Top 12%)3088(Top 19%)3088(Top 137%)
40K24.85 mi0.85 mi4739+1354348+1174348+1172620(Top 9%)2388(Top 15%)2388(Top 106%)
25.2M25.20 mi0.35 mi4661+784276+724276+722025(Top 7%)1838(Top 11%)1838(Top 82%)
Finish26.22 mi1.02 mi4580+814199+774199+772644(Top 9%)2394(Top 15%)2394(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6318

Males

5719

M40-44

5719

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6308

Males

5731

M40-44

5731

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6318

Males

5719

M40-44

5719

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

6017

Males

5450

M40-44

5450

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5837

Males

5324

M40-44

5324

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4870

Males

4478

M40-44

4478

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4548

Males

4156

M40-44

4156

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

4004

Males

3672

M40-44

3672

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3641

Males

3330

M40-44

3330

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3719

Males

3366

M40-44

3366

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3549

Males

3219

M40-44

3219

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3433

Males

3088

M40-44

3088

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2620

Males

2388

M40-44

2388

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2025

Males

1838

M40-44

1838

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2644

Males

2394

M40-44

2394

Passing Analysis

Category:
Athletes Passed
2190
Passed By
566
Net Change
+1624
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6204
5K → 10K189181+8#6204#6196
10K → 15K140155-15#6196#6211
15K → 20K19491+103#6211#6108
20K → Half2515+10#6108#6098
Half → 25K27415+259#6098#5839
25K → 30K34621+325#5839#5514
30K → 20M16216+146#5514#5368
20M → 21M17413+161#5368#5207
21M → 35K889+79#5207#5128
35K → 23M16313+150#5128#4978
23M → 24M12117+104#4978#4874
24M → 40K1394+135#4874#4739
40K → 25.2M780+78#4739#4661
25.2M → Finish9716+81#4661#4580
TOTALS2190566+1624
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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