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BOSTON MARATHON 2025

Martin Sell

Bib: 13807•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M50-54)
#0 / 1996
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:08
Rank: #8842
Start → 5K
7:07/mi
22:08 split
10K· 6.21 mi
44:08
Rank: #8654 (+188)
5K → 10K
7:05/mi
22:00 split
15K· 9.32 mi
1:05:46
Rank: #8163 (+491)
10K → 15K
6:58/mi
21:38 split
20K· 12.43 mi
1:27:28
Rank: #7744 (+419)
15K → 20K
6:59/mi
21:42 split
Half· 13.11 mi
1:32:15
Rank: #7732 (+12)
20K → Half
7:01/mi
4:47 split
25K· 15.53 mi
1:49:34
Rank: #7606 (+126)
Half → 25K
7:09/mi
17:19 split
30K· 18.64 mi
2:13:26
Rank: #7735 (-129)
25K → 30K
7:41/mi
23:52 split
20M
2:24:23
Rank: #7902 (-167)
30K → 20M
8:03/mi
10:57 split
21M
2:33:06
Rank: #8051 (-149)
20M → 21M
8:43/mi
8:43 split
35K· 21.75 mi
2:38:58
Rank: #8129 (-78)
21M → 35K
7:51/mi
5:52 split
23M
2:49:19
Rank: #8316 (-187)
35K → 23M
8:16/mi
10:21 split
24M
2:57:26
Rank: #8453 (-137)
23M → 24M
8:07/mi
8:07 split
40K· 24.85 mi
3:04:40
Rank: #8626 (-173)
24M → 40K
8:28/mi
7:14 split
25.2M
3:08:17
Rank: #8844 (-218)
40K → 25.2M
10:29/mi
3:37 split
Finish· 26.22 mi
3:16:34
Rank: #9047 (-203)
25.2M → Finish
8:08/mi
8:17 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:15
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:44:19
Pace7:57 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5622:087:0722:08
7:07
-
10K
6.21 mi11:12:5644:087:0622:00
7:05
-0:02
15K
9.32 mi11:34:341:05:467:0321:38
6:58
-0:07
20K
12.43 mi11:56:161:27:287:0221:42
6:59
+0:01
Half
13.11 mi12:01:031:32:157:024:47
7:01
+0:02
25K
15.53 mi12:18:221:49:347:0317:19
7:09
+0:08
30K
18.64 mi12:42:142:13:267:0923:52
7:41
+0:32
20M
20.00 mi12:53:112:24:237:1310:57
8:03
+0:22
21M
21.00 mi13:01:542:33:067:178:43
8:43
+0:40
35K
21.75 mi13:07:462:38:587:195:52
7:51
-0:52
23M
23.00 mi13:18:072:49:197:2210:21
8:16
+0:25
24M
24.00 mi13:26:142:57:267:248:07
8:07
-0:09
40K
24.85 mi13:33:283:04:407:267:14
8:28
+0:21
25.2M
25.20 mi13:37:053:08:177:283:37
10:29
+2:01
Finish
26.22 mi13:45:223:16:347:308:17
8:08
-2:21

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

6:58 /mi

Average Pace

7:30 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:34

56% of race

Time at Steady Pace

1:07:26

34% of race

Time at Slower Pace

19:34

10% of race

Average Pace: 7:30 /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 mi10:50:5622:087:0722:08
7:07
#8842
10K
6.21 mi11:12:5644:087:0622:00
7:05
#8654
15K
9.32 mi11:34:341:05:467:0321:38
6:58
#8163
20K
12.43 mi11:56:161:27:287:0221:42
6:59
#7744
Half
13.11 mi12:01:031:32:157:024:47
7:01
#7732
25K
15.53 mi12:18:221:49:347:0317:19
7:09
#7606
30K
18.64 mi12:42:142:13:267:0923:52
7:41
#7735
20M
20.00 mi12:53:112:24:237:1310:57
8:03
#7902
21M
21.00 mi13:01:542:33:067:178:43
8:43
#8051
35K
21.75 mi13:07:462:38:587:195:52
7:51
#8129
23M
23.00 mi13:18:072:49:197:2210:21
8:16
#8316
24M
24.00 mi13:26:142:57:267:248:07
8:07
#8453
40K
24.85 mi13:33:283:04:407:267:14
8:28
#8626
25.2M
25.20 mi13:37:053:08:177:283:37
10:29
#8844
Finish
26.22 mi13:45:223:16:347:308:17
8:08
#9047
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8842751975197390(Top 26%)6541(Top 41%)6541(Top 328%)
10K6.21 mi3.10 mi8654+1887391+1287391+1288513(Top 30%)7306(Top 45%)7306(Top 366%)
15K9.32 mi3.11 mi8163+4917074+3177074+3177390(Top 26%)6541(Top 41%)6541(Top 328%)
20K12.43 mi3.11 mi7744+4196797+2776797+2776790(Top 24%)6051(Top 38%)6051(Top 303%)
Half13.11 mi0.68 mi7732+126786+116786+117677(Top 27%)6698(Top 42%)6698(Top 336%)
25K15.53 mi2.42 mi7606+1266677+1096677+1097232(Top 25%)6277(Top 39%)6277(Top 314%)
30K18.64 mi3.11 mi7735-1296712-356712-359065(Top 32%)7173(Top 45%)7173(Top 359%)
20M20.00 mi1.36 mi7902-1676772-606772-6010802(Top 38%)7936(Top 49%)7936(Top 398%)
21M21.00 mi1.00 mi8051-1496832-606832-6011740(Top 41%)8232(Top 51%)8232(Top 412%)
35K21.75 mi0.75 mi8129-786867-356867-3511079(Top 39%)7890(Top 49%)7890(Top 395%)
23M23.00 mi1.25 mi8316-1876938-716938-7111787(Top 41%)8124(Top 50%)8124(Top 407%)
24M24.00 mi1.00 mi8453-1376983-456983-4511978(Top 42%)8144(Top 51%)8144(Top 408%)
40K24.85 mi0.85 mi8626-1737045-627045-6213139(Top 46%)8578(Top 53%)8578(Top 430%)
25.2M25.20 mi0.35 mi8844-2187159-1147159-11418889(Top 67%)11244(Top 70%)11244(Top 563%)
Finish26.22 mi1.02 mi9047-2037235-767235-7613757(Top 48%)8881(Top 55%)8881(Top 445%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7390

Males

6541

M50-54

6541

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8513

Males

7306

M50-54

7306

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7390

Males

6541

M50-54

6541

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6790

Males

6051

M50-54

6051

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7677

Males

6698

M50-54

6698

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7232

Males

6277

M50-54

6277

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9065

Males

7173

M50-54

7173

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10802

Males

7936

M50-54

7936

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11740

Males

8232

M50-54

8232

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11079

Males

7890

M50-54

7890

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11787

Males

8124

M50-54

8124

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11978

Males

8144

M50-54

8144

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13139

Males

8578

M50-54

8578

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18889

Males

11244

M50-54

11244

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13757

Males

8881

M50-54

8881

Passing Analysis

Category:
Athletes Passed
1932
Passed By
2137
Net Change
-205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8842
5K → 10K315127+188#8842#8654
10K → 15K50110+491#8654#8163
15K → 20K42910+419#8163#7744
20K → Half3220+12#7744#7732
Half → 25K17650+126#7732#7606
25K → 30K148277-129#7606#7735
30K → 20M47214-167#7735#7902
20M → 21M65214-149#7902#8051
21M → 35K39117-78#8051#8129
35K → 23M62249-187#8129#8316
23M → 24M39176-137#8316#8453
24M → 40K46219-173#8453#8626
40K → 25.2M4222-218#8626#8844
25.2M → Finish29232-203#8844#9047
TOTALS19322137-205
📊

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