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BOSTON MARATHON 2025

Rob Coddington

Bib: 3319•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:24
Rank: #2098
Start → 5K
19:24 | 6:15/mi
10K· 6.21 mi
38:32
Rank: #1874 (+224)
5K → 10K
19:08 | 6:10/mi
15K· 9.32 mi
57:49
Rank: #1865 (+9)
10K → 15K
19:17 | 6:12/mi
20K· 12.43 mi
1:17:12
Rank: #1811 (+54)
15K → 20K
19:23 | 6:14/mi
Half· 13.11 mi
1:21:23
Rank: #1803 (+8)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:36:45
Rank: #1821 (-18)
Half → 25K
15:22 | 6:20/mi
30K· 18.64 mi
1:57:09
Rank: #1865 (-44)
25K → 30K
20:24 | 6:34/mi
20M
2:06:06
Rank: #1856 (+9)
30K → 20M
8:57 | 6:35/mi
21M
2:12:57
Rank: #1811 (+45)
20M → 21M
6:51 | 6:51/mi
35K· 21.75 mi
2:17:40
Rank: #1783 (+28)
21M → 35K
4:43 | 6:18/mi
23M
2:25:36
Rank: #1688 (+95)
35K → 23M
7:56 | 6:20/mi
24M
2:31:44
Rank: #1599 (+89)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:37:02
Rank: #1525 (+74)
24M → 40K
5:18 | 6:12/mi
25.2M
2:39:18
Rank: #1491 (+34)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:45:12
Rank: #1415 (+76)
25.2M → Finish
5:54 | 5:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:23
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:23:49
Pace6:24 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4419:246:1519:24
6:15
-
10K
6.21 mi10:39:5238:326:1219:08
6:10
-0:05
15K
9.32 mi10:59:0957:496:1219:17
6:12
+0:02
20K
12.43 mi11:18:321:17:126:1319:23
6:14
+0:02
Half
13.11 mi11:22:431:21:236:124:11
6:08
-0:06
25K
15.53 mi11:38:051:36:456:1415:22
6:20
+0:12
30K
18.64 mi11:58:291:57:096:1720:24
6:34
+0:14
20M
20.00 mi12:07:262:06:066:188:57
6:35
+0:01
21M
21.00 mi12:14:172:12:576:206:51
6:51
+0:16
35K
21.75 mi12:19:002:17:406:204:43
6:18
-0:33
23M
23.00 mi12:26:562:25:366:207:56
6:20
+0:02
24M
24.00 mi12:33:042:31:446:196:08
6:08
-0:12
40K
24.85 mi12:38:222:37:026:195:18
6:12
+0:04
25.2M
25.20 mi12:40:382:39:186:192:16
6:34
+0:22
Finish
26.22 mi12:46:322:45:126:185:54
5:47
-0:47

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

5:47 /mi

Average Pace

6:18 /mi

Slowest Pace

6:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:44

77% of race

Time at Steady Pace

31:37

19% of race

Time at Slower Pace

6:51

4% of race

Average Pace: 6:18 /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 mi10:20:4419:246:1519:24
6:15
#2098
10K
6.21 mi10:39:5238:326:1219:08
6:10
#1874
15K
9.32 mi10:59:0957:496:1219:17
6:12
#1865
20K
12.43 mi11:18:321:17:126:1319:23
6:14
#1811
Half
13.11 mi11:22:431:21:236:124:11
6:08
#1803
25K
15.53 mi11:38:051:36:456:1415:22
6:20
#1821
30K
18.64 mi11:58:291:57:096:1720:24
6:34
#1865
20M
20.00 mi12:07:262:06:066:188:57
6:35
#1856
21M
21.00 mi12:14:172:12:576:206:51
6:51
#1811
35K
21.75 mi12:19:002:17:406:204:43
6:18
#1783
23M
23.00 mi12:26:562:25:366:207:56
6:20
#1688
24M
24.00 mi12:33:042:31:446:196:08
6:08
#1599
40K
24.85 mi12:38:222:37:026:195:18
6:12
#1525
25.2M
25.20 mi12:40:382:39:186:192:16
6:34
#1491
Finish
26.22 mi12:46:322:45:126:185:54
5:47
#1415
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2098200020001886(Top 7%)1795(Top 11%)1795(Top 32%)
10K6.21 mi3.10 mi1874+2241783+2171783+2171705(Top 6%)1622(Top 10%)1622(Top 29%)
15K9.32 mi3.11 mi1865+91775+81775+81886(Top 7%)1795(Top 11%)1795(Top 32%)
20K12.43 mi3.11 mi1811+541722+531722+531736(Top 6%)1650(Top 10%)1650(Top 29%)
Half13.11 mi0.68 mi1803+81714+81714+81649(Top 6%)1568(Top 10%)1568(Top 28%)
25K15.53 mi2.42 mi1821-181733-191733-192044(Top 7%)1947(Top 12%)1947(Top 35%)
30K18.64 mi3.11 mi1865-441776-431776-432250(Top 8%)2129(Top 13%)2129(Top 38%)
20M20.00 mi1.36 mi1856+91765+111765+111957(Top 7%)1850(Top 11%)1850(Top 33%)
21M21.00 mi1.00 mi1811+451721+441721+441688(Top 6%)1592(Top 10%)1592(Top 28%)
35K21.75 mi0.75 mi1783+281693+281693+281610(Top 6%)1510(Top 9%)1510(Top 27%)
23M23.00 mi1.25 mi1688+951598+951598+95973(Top 3%)917(Top 6%)917(Top 16%)
24M24.00 mi1.00 mi1599+891513+851513+85861(Top 3%)810(Top 5%)810(Top 14%)
40K24.85 mi0.85 mi1525+741440+731440+73737(Top 3%)692(Top 4%)692(Top 12%)
25.2M25.20 mi0.35 mi1491+341408+321408+32576(Top 2%)536(Top 3%)536(Top 10%)
Finish26.22 mi1.02 mi1415+761336+721336+72500(Top 2%)469(Top 3%)469(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1886

Males

1795

M18-39

1795

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1705

Males

1622

M18-39

1622

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1886

Males

1795

M18-39

1795

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1736

Males

1650

M18-39

1650

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1649

Males

1568

M18-39

1568

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2044

Males

1947

M18-39

1947

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2250

Males

2129

M18-39

2129

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1957

Males

1850

M18-39

1850

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1688

Males

1592

M18-39

1592

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1610

Males

1510

M18-39

1510

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

973

Males

917

M18-39

917

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

861

Males

810

M18-39

810

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

737

Males

692

M18-39

692

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

576

Males

536

M18-39

536

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

500

Males

469

M18-39

469

Passing Analysis

Category:
Athletes Passed
1041
Passed By
358
Net Change
+683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2098
5K → 10K25733+224#2098#1874
10K → 15K5849+9#1874#1865
15K → 20K8834+54#1865#1811
20K → Half168+8#1811#1803
Half → 25K4159-18#1803#1821
25K → 30K71115-44#1821#1865
30K → 20M3728+9#1865#1856
20M → 21M6116+45#1856#1811
21M → 35K346+28#1811#1783
35K → 23M1016+95#1783#1688
23M → 24M912+89#1688#1599
24M → 40K762+74#1599#1525
40K → 25.2M340+34#1525#1491
25.2M → Finish760+76#1491#1415
TOTALS1041358+683
📊

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